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/**
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* '$RCSfile$'
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sgarg
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* Purpose: A Class that searches a relational DB for elements and
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jones
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* attributes that have free text matches a query string,
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sgarg
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* or structured query matches to a path specified node in the
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* XML hierarchy. It returns a result set consisting of the
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203
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jones
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* document ID for each document that satisfies the query
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* Copyright: 2000 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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* Authors: Matt Jones
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*
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* '$Author$'
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* '$Date$'
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* '$Revision$'
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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155
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jones
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*/
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607
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bojilova
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package edu.ucsb.nceas.metacat;
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import java.io.*;
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import java.util.zip.*;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.*;
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tao
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import javax.servlet.ServletOutputStream;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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sgarg
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import org.apache.log4j.Logger;
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import org.w3c.dom.*;
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import javax.xml.parsers.DocumentBuilderFactory;
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import org.xml.sax.InputSource;
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import org.w3c.dom.ls.*;
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import edu.ucsb.nceas.morpho.datapackage.Triple;
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import edu.ucsb.nceas.morpho.datapackage.TripleCollection;
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sgarg
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/**
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* A Class that searches a relational DB for elements and attributes that have
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* free text matches a query string, or structured query matches to a path
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* specified node in the XML hierarchy. It returns a result set consisting of
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* the document ID for each document that satisfies the query
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*/
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public class DBQuery
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{
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static final int ALL = 1;
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static final int WRITE = 2;
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static final int READ = 4;
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//private Connection conn = null;
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private String parserName = null;
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private MetaCatUtil util = new MetaCatUtil();
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private Logger logMetacat = Logger.getLogger(DBQuery.class);
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/** true if the metacat spatial option is installed **/
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private final boolean METACAT_SPATIAL = true;
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/** useful if you just want to grab a list of docids. Since the docids can be very long,
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it is a vector of vector **/
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Vector docidOverride = new Vector();
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// a hash table serves as query reuslt cache. Key of hashtable
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// is a query string and value is result xml string
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private static Hashtable queryResultCache = new Hashtable();
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// Capacity of the query result cache
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private static final int QUERYRESULTCACHESIZE = Integer.parseInt(MetaCatUtil.getOption("queryresult_cache_size"));
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// Size of page for non paged query
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private static final int NONPAGESIZE = 99999999;
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/**
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* the main routine used to test the DBQuery utility.
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* <p>
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* Usage: java DBQuery <xmlfile>
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*
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* @param xmlfile the filename of the xml file containing the query
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*/
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static public void main(String[] args)
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{
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if (args.length < 1) {
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System.err.println("Wrong number of arguments!!!");
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System.err.println("USAGE: java DBQuery [-t] [-index] <xmlfile>");
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return;
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} else {
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try {
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int i = 0;
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boolean showRuntime = false;
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boolean useXMLIndex = false;
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if (args[i].equals("-t")) {
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showRuntime = true;
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i++;
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}
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if (args[i].equals("-index")) {
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useXMLIndex = true;
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i++;
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}
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String xmlfile = args[i];
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// Time the request if asked for
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double startTime = System.currentTimeMillis();
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// Open a connection to the database
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MetaCatUtil util = new MetaCatUtil();
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//Connection dbconn = util.openDBConnection();
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double connTime = System.currentTimeMillis();
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// Execute the query
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DBQuery queryobj = new DBQuery();
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FileReader xml = new FileReader(new File(xmlfile));
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Hashtable nodelist = null;
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//nodelist = queryobj.findDocuments(xml, null, null, useXMLIndex);
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// Print the reulting document listing
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StringBuffer result = new StringBuffer();
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String document = null;
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String docid = null;
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result.append("<?xml version=\"1.0\"?>\n");
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result.append("<resultset>\n");
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if (!showRuntime) {
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Enumeration doclist = nodelist.keys();
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while (doclist.hasMoreElements()) {
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docid = (String) doclist.nextElement();
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document = (String) nodelist.get(docid);
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result.append(" <document>\n " + document
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+ "\n </document>\n");
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}
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result.append("</resultset>\n");
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}
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// Time the request if asked for
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double stopTime = System.currentTimeMillis();
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double dbOpenTime = (connTime - startTime) / 1000;
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double readTime = (stopTime - connTime) / 1000;
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double executionTime = (stopTime - startTime) / 1000;
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if (showRuntime) {
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System.out.print(" " + executionTime);
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System.out.print(" " + dbOpenTime);
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System.out.print(" " + readTime);
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System.out.print(" " + nodelist.size());
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System.out.println();
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}
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//System.out.println(result);
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//write into a file "result.txt"
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if (!showRuntime) {
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File f = new File("./result.txt");
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FileWriter fw = new FileWriter(f);
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BufferedWriter out = new BufferedWriter(fw);
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out.write(result.toString());
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out.flush();
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out.close();
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fw.close();
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}
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sgarg
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} catch (Exception e) {
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System.err.println("Error in DBQuery.main");
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System.err.println(e.getMessage());
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e.printStackTrace(System.err);
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}
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}
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}
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sgarg
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jones
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/**
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* construct an instance of the DBQuery class
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2087
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tao
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*
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2075
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jones
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* <p>
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* Generally, one would call the findDocuments() routine after creating an
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* instance to specify the search query
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* </p>
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2087
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tao
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*
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2075
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jones
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* @param parserName the fully qualified name of a Java class implementing
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* the org.xml.sax.XMLReader interface
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*/
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public DBQuery()
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2075
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{
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| 202 |
2752
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String parserName = MetaCatUtil.getOption("saxparser");
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this.parserName = parserName;
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2075
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jones
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}
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| 205 |
2043
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sgarg
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| 206 |
3047
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perry
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/**
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| 207 |
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*
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| 208 |
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* Construct an instance of DBQuery Class
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| 209 |
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* BUT accept a docid Vector that will supersede
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| 210 |
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* the query.printSQL() method
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| 211 |
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*
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| 212 |
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* If a docid Vector is passed in,
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| 213 |
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* the docids will be used to create a simple IN query
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| 214 |
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* without the multiple subselects of the printSQL() method
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| 215 |
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*
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| 216 |
|
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* Using this constructor, we just check for
|
| 217 |
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* a docidOverride Vector in the findResultDoclist() method
|
| 218 |
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*
|
| 219 |
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* @param docids List of docids to display in the resultset
|
| 220 |
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*/
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public DBQuery(Vector docids)
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{
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| 223 |
3392
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tao
|
// since the query will be too long to be handled, so we divided the
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| 224 |
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// docids vector into couple vectors.
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| 225 |
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int size = (new Integer(MetaCatUtil.getOption("app_resultsetsize"))).intValue();
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| 226 |
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logMetacat.info("The size of select doicds is "+docids.size());
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| 227 |
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logMetacat.info("The application result size in metacat.properties is "+size);
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| 228 |
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Vector subset = new Vector();
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| 229 |
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if (docids != null && docids.size() > size)
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| 230 |
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{
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| 231 |
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int index = 0;
|
| 232 |
|
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for (int i=0; i< docids.size(); i++)
|
| 233 |
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{
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| 234 |
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| 235 |
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if (index < size)
|
| 236 |
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{
|
| 237 |
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subset.add(docids.elementAt(i));
|
| 238 |
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index ++;
|
| 239 |
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}
|
| 240 |
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else
|
| 241 |
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{
|
| 242 |
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docidOverride.add(subset);
|
| 243 |
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subset = new Vector();
|
| 244 |
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subset.add(docids.elementAt(i));
|
| 245 |
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index = 1;
|
| 246 |
|
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}
|
| 247 |
|
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}
|
| 248 |
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if (!subset.isEmpty())
|
| 249 |
|
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{
|
| 250 |
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docidOverride.add(subset);
|
| 251 |
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}
|
| 252 |
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| 253 |
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}
|
| 254 |
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else
|
| 255 |
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{
|
| 256 |
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this.docidOverride.add(docids);
|
| 257 |
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}
|
| 258 |
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| 259 |
3047
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perry
|
String parserName = MetaCatUtil.getOption("saxparser");
|
| 260 |
|
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this.parserName = parserName;
|
| 261 |
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}
|
| 262 |
2087
|
tao
|
|
| 263 |
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/**
|
| 264 |
|
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* Method put the search result set into out printerwriter
|
| 265 |
|
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* @param resoponse the return response
|
| 266 |
|
|
* @param out the output printer
|
| 267 |
|
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* @param params the paratermer hashtable
|
| 268 |
|
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* @param user the user name (it maybe different to the one in param)
|
| 269 |
|
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* @param groups the group array
|
| 270 |
|
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* @param sessionid the sessionid
|
| 271 |
|
|
*/
|
| 272 |
|
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public void findDocuments(HttpServletResponse response,
|
| 273 |
|
|
PrintWriter out, Hashtable params,
|
| 274 |
|
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String user, String[] groups,
|
| 275 |
|
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String sessionid)
|
| 276 |
|
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{
|
| 277 |
|
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boolean useXMLIndex = (new Boolean(MetaCatUtil.getOption("usexmlindex")))
|
| 278 |
|
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.booleanValue();
|
| 279 |
|
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findDocuments(response, out, params, user, groups, sessionid, useXMLIndex);
|
| 280 |
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| 281 |
|
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}
|
| 282 |
|
|
|
| 283 |
|
|
|
| 284 |
2075
|
jones
|
/**
|
| 285 |
2087
|
tao
|
* Method put the search result set into out printerwriter
|
| 286 |
|
|
* @param resoponse the return response
|
| 287 |
|
|
* @param out the output printer
|
| 288 |
|
|
* @param params the paratermer hashtable
|
| 289 |
|
|
* @param user the user name (it maybe different to the one in param)
|
| 290 |
|
|
* @param groups the group array
|
| 291 |
|
|
* @param sessionid the sessionid
|
| 292 |
2075
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jones
|
*/
|
| 293 |
2087
|
tao
|
public void findDocuments(HttpServletResponse response,
|
| 294 |
|
|
PrintWriter out, Hashtable params,
|
| 295 |
|
|
String user, String[] groups,
|
| 296 |
|
|
String sessionid, boolean useXMLIndex)
|
| 297 |
2075
|
jones
|
{
|
| 298 |
3211
|
berkley
|
int pagesize = 0;
|
| 299 |
|
|
int pagestart = 0;
|
| 300 |
|
|
|
| 301 |
|
|
if(params.containsKey("pagesize") && params.containsKey("pagestart"))
|
| 302 |
|
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{
|
| 303 |
|
|
String pagesizeStr = ((String[])params.get("pagesize"))[0];
|
| 304 |
|
|
String pagestartStr = ((String[])params.get("pagestart"))[0];
|
| 305 |
|
|
if(pagesizeStr != null && pagestartStr != null)
|
| 306 |
|
|
{
|
| 307 |
|
|
pagesize = (new Integer(pagesizeStr)).intValue();
|
| 308 |
|
|
pagestart = (new Integer(pagestartStr)).intValue();
|
| 309 |
|
|
}
|
| 310 |
|
|
}
|
| 311 |
|
|
|
| 312 |
2087
|
tao
|
// get query and qformat
|
| 313 |
|
|
String xmlquery = ((String[])params.get("query"))[0];
|
| 314 |
2168
|
tao
|
|
| 315 |
3246
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berkley
|
logMetacat.info("SESSIONID: " + sessionid);
|
| 316 |
|
|
logMetacat.info("xmlquery: " + xmlquery);
|
| 317 |
2087
|
tao
|
String qformat = ((String[])params.get("qformat"))[0];
|
| 318 |
3246
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berkley
|
logMetacat.info("qformat: " + qformat);
|
| 319 |
2168
|
tao
|
// Get the XML query and covert it into a SQL statment
|
| 320 |
|
|
QuerySpecification qspec = null;
|
| 321 |
|
|
if ( xmlquery != null)
|
| 322 |
|
|
{
|
| 323 |
|
|
xmlquery = transformQuery(xmlquery);
|
| 324 |
|
|
try
|
| 325 |
|
|
{
|
| 326 |
|
|
qspec = new QuerySpecification(xmlquery,
|
| 327 |
|
|
parserName,
|
| 328 |
|
|
MetaCatUtil.getOption("accNumSeparator"));
|
| 329 |
|
|
}
|
| 330 |
|
|
catch (Exception ee)
|
| 331 |
|
|
{
|
| 332 |
2912
|
harris
|
logMetacat.error("error generating QuerySpecification object"
|
| 333 |
2168
|
tao
|
+" in DBQuery.findDocuments"
|
| 334 |
2663
|
sgarg
|
+ ee.getMessage());
|
| 335 |
2168
|
tao
|
}
|
| 336 |
|
|
}
|
| 337 |
2087
|
tao
|
|
| 338 |
2168
|
tao
|
|
| 339 |
|
|
|
| 340 |
2087
|
tao
|
if (qformat != null && qformat.equals(MetaCatServlet.XMLFORMAT))
|
| 341 |
|
|
{
|
| 342 |
|
|
//xml format
|
| 343 |
|
|
response.setContentType("text/xml");
|
| 344 |
3211
|
berkley
|
createResultDocument(xmlquery, qspec, out, user, groups, useXMLIndex,
|
| 345 |
|
|
pagesize, pagestart, sessionid);
|
| 346 |
2087
|
tao
|
}//if
|
| 347 |
|
|
else
|
| 348 |
|
|
{
|
| 349 |
|
|
//knb format, in this case we will get whole result and sent it out
|
| 350 |
3257
|
berkley
|
response.setContentType("text/html");
|
| 351 |
2087
|
tao
|
PrintWriter nonout = null;
|
| 352 |
2168
|
tao
|
StringBuffer xml = createResultDocument(xmlquery, qspec, nonout, user,
|
| 353 |
3211
|
berkley
|
groups, useXMLIndex, pagesize,
|
| 354 |
|
|
pagestart, sessionid);
|
| 355 |
2658
|
sgarg
|
|
| 356 |
2087
|
tao
|
//transfer the xml to html
|
| 357 |
|
|
try
|
| 358 |
|
|
{
|
| 359 |
3258
|
tao
|
double startHTMLTransform = System.currentTimeMillis()/1000;
|
| 360 |
2087
|
tao
|
DBTransform trans = new DBTransform();
|
| 361 |
|
|
response.setContentType("text/html");
|
| 362 |
2787
|
sgarg
|
|
| 363 |
3219
|
berkley
|
// if the user is a moderator, then pass a param to the
|
| 364 |
2787
|
sgarg
|
// xsl specifying the fact
|
| 365 |
|
|
if(MetaCatUtil.isModerator(user, groups)){
|
| 366 |
|
|
params.put("isModerator", new String[] {"true"});
|
| 367 |
|
|
}
|
| 368 |
|
|
|
| 369 |
2087
|
tao
|
trans.transformXMLDocument(xml.toString(), "-//NCEAS//resultset//EN",
|
| 370 |
|
|
"-//W3C//HTML//EN", qformat, out, params,
|
| 371 |
|
|
sessionid);
|
| 372 |
3258
|
tao
|
double endHTMLTransform = System.currentTimeMillis()/1000;
|
| 373 |
3277
|
tao
|
logMetacat.warn("The time to transfrom resultset from xml to html format is "
|
| 374 |
3258
|
tao
|
+(endHTMLTransform -startHTMLTransform));
|
| 375 |
3277
|
tao
|
MetaCatUtil.writeDebugToFile("---------------------------------------------------------------------------------------------------------------Transfrom xml to html "
|
| 376 |
3271
|
tao
|
+(endHTMLTransform -startHTMLTransform));
|
| 377 |
3277
|
tao
|
MetaCatUtil.writeDebugToDelimiteredFile(" "+(endHTMLTransform -startHTMLTransform), false);
|
| 378 |
2087
|
tao
|
}
|
| 379 |
|
|
catch(Exception e)
|
| 380 |
|
|
{
|
| 381 |
2663
|
sgarg
|
logMetacat.error("Error in MetaCatServlet.transformResultset:"
|
| 382 |
|
|
+e.getMessage());
|
| 383 |
2087
|
tao
|
}
|
| 384 |
|
|
|
| 385 |
|
|
}//else
|
| 386 |
|
|
|
| 387 |
3219
|
berkley
|
}
|
| 388 |
3220
|
tao
|
|
| 389 |
|
|
/**
|
| 390 |
|
|
* Transforms a hashtable of documents to an xml or html result and sent
|
| 391 |
|
|
* the content to outputstream. Keep going untill hastable is empty. stop it.
|
| 392 |
|
|
* add the QuerySpecification as parameter is for ecogrid. But it is duplicate
|
| 393 |
|
|
* to xmlquery String
|
| 394 |
|
|
* @param xmlquery
|
| 395 |
|
|
* @param qspec
|
| 396 |
|
|
* @param out
|
| 397 |
|
|
* @param user
|
| 398 |
|
|
* @param groups
|
| 399 |
|
|
* @param useXMLIndex
|
| 400 |
|
|
* @param sessionid
|
| 401 |
|
|
* @return
|
| 402 |
|
|
*/
|
| 403 |
|
|
public StringBuffer createResultDocument(String xmlquery,
|
| 404 |
|
|
QuerySpecification qspec,
|
| 405 |
|
|
PrintWriter out,
|
| 406 |
|
|
String user, String[] groups,
|
| 407 |
|
|
boolean useXMLIndex)
|
| 408 |
|
|
{
|
| 409 |
|
|
return createResultDocument(xmlquery,qspec,out, user,groups, useXMLIndex, 0, 0,"");
|
| 410 |
|
|
}
|
| 411 |
2043
|
sgarg
|
|
| 412 |
2087
|
tao
|
/*
|
| 413 |
|
|
* Transforms a hashtable of documents to an xml or html result and sent
|
| 414 |
2168
|
tao
|
* the content to outputstream. Keep going untill hastable is empty. stop it.
|
| 415 |
|
|
* add the QuerySpecification as parameter is for ecogrid. But it is duplicate
|
| 416 |
|
|
* to xmlquery String
|
| 417 |
2087
|
tao
|
*/
|
| 418 |
2168
|
tao
|
public StringBuffer createResultDocument(String xmlquery,
|
| 419 |
|
|
QuerySpecification qspec,
|
| 420 |
|
|
PrintWriter out,
|
| 421 |
2087
|
tao
|
String user, String[] groups,
|
| 422 |
3211
|
berkley
|
boolean useXMLIndex, int pagesize,
|
| 423 |
|
|
int pagestart, String sessionid)
|
| 424 |
2087
|
tao
|
{
|
| 425 |
|
|
DBConnection dbconn = null;
|
| 426 |
|
|
int serialNumber = -1;
|
| 427 |
|
|
StringBuffer resultset = new StringBuffer();
|
| 428 |
3219
|
berkley
|
|
| 429 |
|
|
//try to get the cached version first
|
| 430 |
|
|
Hashtable sessionHash = MetaCatServlet.getSessionHash();
|
| 431 |
|
|
HttpSession sess = (HttpSession)sessionHash.get(sessionid);
|
| 432 |
|
|
|
| 433 |
3220
|
tao
|
|
| 434 |
2087
|
tao
|
resultset.append("<?xml version=\"1.0\"?>\n");
|
| 435 |
|
|
resultset.append("<resultset>\n");
|
| 436 |
3257
|
berkley
|
resultset.append(" <pagestart>" + pagestart + "</pagestart>\n");
|
| 437 |
|
|
resultset.append(" <pagesize>" + pagesize + "</pagesize>\n");
|
| 438 |
|
|
resultset.append(" <nextpage>" + (pagestart + 1) + "</nextpage>\n");
|
| 439 |
|
|
resultset.append(" <previouspage>" + (pagestart - 1) + "</previouspage>\n");
|
| 440 |
|
|
|
| 441 |
2087
|
tao
|
resultset.append(" <query>" + xmlquery + "</query>");
|
| 442 |
3219
|
berkley
|
//send out a new query
|
| 443 |
2087
|
tao
|
if (out != null)
|
| 444 |
2075
|
jones
|
{
|
| 445 |
2087
|
tao
|
out.println(resultset.toString());
|
| 446 |
2075
|
jones
|
}
|
| 447 |
2168
|
tao
|
if (qspec != null)
|
| 448 |
2087
|
tao
|
{
|
| 449 |
2168
|
tao
|
try
|
| 450 |
|
|
{
|
| 451 |
2043
|
sgarg
|
|
| 452 |
2168
|
tao
|
//checkout the dbconnection
|
| 453 |
|
|
dbconn = DBConnectionPool.getDBConnection("DBQuery.findDocuments");
|
| 454 |
|
|
serialNumber = dbconn.getCheckOutSerialNumber();
|
| 455 |
2087
|
tao
|
|
| 456 |
2168
|
tao
|
//print out the search result
|
| 457 |
|
|
// search the doc list
|
| 458 |
3392
|
tao
|
Vector givenDocids = new Vector();
|
| 459 |
|
|
StringBuffer resultContent = new StringBuffer();
|
| 460 |
|
|
if (docidOverride == null || docidOverride.size() == 0)
|
| 461 |
|
|
{
|
| 462 |
|
|
logMetacat.info("Not in map query");
|
| 463 |
|
|
resultContent = findResultDoclist(qspec, out, user, groups,
|
| 464 |
|
|
dbconn, useXMLIndex, pagesize, pagestart,
|
| 465 |
|
|
sessionid, givenDocids);
|
| 466 |
|
|
}
|
| 467 |
|
|
else
|
| 468 |
|
|
{
|
| 469 |
|
|
logMetacat.info("In map query");
|
| 470 |
|
|
// since docid can be too long to be handled. We divide it into several parts
|
| 471 |
|
|
for (int i= 0; i<docidOverride.size(); i++)
|
| 472 |
|
|
{
|
| 473 |
|
|
logMetacat.info("in loop===== "+i);
|
| 474 |
|
|
givenDocids = (Vector)docidOverride.elementAt(i);
|
| 475 |
|
|
StringBuffer subset = findResultDoclist(qspec, out, user, groups,
|
| 476 |
|
|
dbconn, useXMLIndex, pagesize, pagestart,
|
| 477 |
|
|
sessionid, givenDocids);
|
| 478 |
|
|
resultContent.append(subset);
|
| 479 |
|
|
}
|
| 480 |
|
|
}
|
| 481 |
|
|
|
| 482 |
3342
|
tao
|
resultset.append(resultContent);
|
| 483 |
2168
|
tao
|
} //try
|
| 484 |
|
|
catch (IOException ioe)
|
| 485 |
|
|
{
|
| 486 |
2663
|
sgarg
|
logMetacat.error("IO error in DBQuery.findDocuments:");
|
| 487 |
|
|
logMetacat.error(ioe.getMessage());
|
| 488 |
2043
|
sgarg
|
|
| 489 |
2168
|
tao
|
}
|
| 490 |
|
|
catch (SQLException e)
|
| 491 |
|
|
{
|
| 492 |
2663
|
sgarg
|
logMetacat.error("SQL Error in DBQuery.findDocuments: "
|
| 493 |
|
|
+ e.getMessage());
|
| 494 |
2168
|
tao
|
}
|
| 495 |
|
|
catch (Exception ee)
|
| 496 |
|
|
{
|
| 497 |
2663
|
sgarg
|
logMetacat.error("Exception in DBQuery.findDocuments: "
|
| 498 |
|
|
+ ee.getMessage());
|
| 499 |
3219
|
berkley
|
ee.printStackTrace();
|
| 500 |
2168
|
tao
|
}
|
| 501 |
|
|
finally
|
| 502 |
|
|
{
|
| 503 |
|
|
DBConnectionPool.returnDBConnection(dbconn, serialNumber);
|
| 504 |
|
|
} //finally
|
| 505 |
|
|
}//if
|
| 506 |
2087
|
tao
|
String closeRestultset = "</resultset>";
|
| 507 |
|
|
resultset.append(closeRestultset);
|
| 508 |
|
|
if (out != null)
|
| 509 |
|
|
{
|
| 510 |
|
|
out.println(closeRestultset);
|
| 511 |
|
|
}
|
| 512 |
2168
|
tao
|
|
| 513 |
3221
|
berkley
|
//default to returning the whole resultset
|
| 514 |
2087
|
tao
|
return resultset;
|
| 515 |
|
|
}//createResultDocuments
|
| 516 |
2043
|
sgarg
|
|
| 517 |
2087
|
tao
|
/*
|
| 518 |
|
|
* Find the doc list which match the query
|
| 519 |
|
|
*/
|
| 520 |
|
|
private StringBuffer findResultDoclist(QuerySpecification qspec,
|
| 521 |
|
|
PrintWriter out,
|
| 522 |
|
|
String user, String[]groups,
|
| 523 |
3211
|
berkley
|
DBConnection dbconn, boolean useXMLIndex,
|
| 524 |
3392
|
tao
|
int pagesize, int pagestart, String sessionid, Vector givenDocids)
|
| 525 |
2087
|
tao
|
throws Exception
|
| 526 |
|
|
{
|
| 527 |
3342
|
tao
|
StringBuffer resultsetBuffer = new StringBuffer();
|
| 528 |
3219
|
berkley
|
String query = null;
|
| 529 |
|
|
int count = 0;
|
| 530 |
|
|
int index = 0;
|
| 531 |
3246
|
berkley
|
ResultDocumentSet docListResult = new ResultDocumentSet();
|
| 532 |
3219
|
berkley
|
PreparedStatement pstmt = null;
|
| 533 |
|
|
String docid = null;
|
| 534 |
|
|
String docname = null;
|
| 535 |
|
|
String doctype = null;
|
| 536 |
|
|
String createDate = null;
|
| 537 |
|
|
String updateDate = null;
|
| 538 |
|
|
StringBuffer document = null;
|
| 539 |
3262
|
berkley
|
boolean lastpage = false;
|
| 540 |
3219
|
berkley
|
int rev = 0;
|
| 541 |
|
|
double startTime = 0;
|
| 542 |
3368
|
tao
|
int offset = 1;
|
| 543 |
3258
|
tao
|
double startSelectionTime = System.currentTimeMillis()/1000;
|
| 544 |
3219
|
berkley
|
ResultSet rs = null;
|
| 545 |
3368
|
tao
|
|
| 546 |
|
|
|
| 547 |
|
|
// this is a hack for offset. in postgresql 7, if the returned docid list is too long,
|
| 548 |
|
|
//the extend query which base on the docid will be too long to be run. So we
|
| 549 |
|
|
// have to cut them into different parts. Page query don't need it somehow.
|
| 550 |
|
|
if (out == null)
|
| 551 |
2091
|
tao
|
{
|
| 552 |
|
|
// for html page, we put everything into one page
|
| 553 |
2421
|
sgarg
|
offset =
|
| 554 |
|
|
(new Integer(MetaCatUtil.getOption("web_resultsetsize"))).intValue();
|
| 555 |
2091
|
tao
|
}
|
| 556 |
|
|
else
|
| 557 |
|
|
{
|
| 558 |
|
|
offset =
|
| 559 |
2421
|
sgarg
|
(new Integer(MetaCatUtil.getOption("app_resultsetsize"))).intValue();
|
| 560 |
3368
|
tao
|
}
|
| 561 |
2421
|
sgarg
|
|
| 562 |
3047
|
perry
|
/*
|
| 563 |
|
|
* Check the docidOverride Vector
|
| 564 |
|
|
* if defined, we bypass the qspec.printSQL() method
|
| 565 |
|
|
* and contruct a simpler query based on a
|
| 566 |
|
|
* list of docids rather than a bunch of subselects
|
| 567 |
|
|
*/
|
| 568 |
3392
|
tao
|
if ( givenDocids == null || givenDocids.size() == 0 ) {
|
| 569 |
3047
|
perry
|
query = qspec.printSQL(useXMLIndex);
|
| 570 |
|
|
} else {
|
| 571 |
3392
|
tao
|
logMetacat.info("*** docid override " + givenDocids.size());
|
| 572 |
3047
|
perry
|
StringBuffer queryBuffer = new StringBuffer( "SELECT docid,docname,doctype,date_created, date_updated, rev " );
|
| 573 |
|
|
queryBuffer.append( " FROM xml_documents WHERE docid IN (" );
|
| 574 |
3392
|
tao
|
for (int i = 0; i < givenDocids.size(); i++) {
|
| 575 |
3047
|
perry
|
queryBuffer.append("'");
|
| 576 |
3392
|
tao
|
queryBuffer.append( (String)givenDocids.elementAt(i) );
|
| 577 |
3047
|
perry
|
queryBuffer.append("',");
|
| 578 |
|
|
}
|
| 579 |
3104
|
perry
|
// empty string hack
|
| 580 |
3047
|
perry
|
queryBuffer.append( "'') " );
|
| 581 |
|
|
query = queryBuffer.toString();
|
| 582 |
|
|
}
|
| 583 |
2087
|
tao
|
String ownerQuery = getOwnerQuery(user);
|
| 584 |
3047
|
perry
|
logMetacat.info("\n\n\n query: " + query);
|
| 585 |
|
|
logMetacat.info("\n\n\n owner query: "+ownerQuery);
|
| 586 |
2087
|
tao
|
// if query is not the owner query, we need to check the permission
|
| 587 |
|
|
// otherwise we don't need (owner has all permission by default)
|
| 588 |
|
|
if (!query.equals(ownerQuery))
|
| 589 |
|
|
{
|
| 590 |
|
|
// set user name and group
|
| 591 |
|
|
qspec.setUserName(user);
|
| 592 |
|
|
qspec.setGroup(groups);
|
| 593 |
|
|
// Get access query
|
| 594 |
|
|
String accessQuery = qspec.getAccessQuery();
|
| 595 |
2366
|
sgarg
|
if(!query.endsWith("WHERE")){
|
| 596 |
|
|
query = query + accessQuery;
|
| 597 |
|
|
} else {
|
| 598 |
|
|
query = query + accessQuery.substring(4, accessQuery.length());
|
| 599 |
|
|
}
|
| 600 |
3309
|
tao
|
|
| 601 |
2087
|
tao
|
}
|
| 602 |
3309
|
tao
|
logMetacat.warn("============ final selection query: " + query);
|
| 603 |
3357
|
tao
|
String selectionAndExtendedQuery = null;
|
| 604 |
3342
|
tao
|
// we only get cache for public
|
| 605 |
|
|
if (user != null && user.equalsIgnoreCase("public")
|
| 606 |
|
|
&& pagesize == 0 && MetaCatUtil.getOption("query_cache_on").equals("true"))
|
| 607 |
|
|
{
|
| 608 |
3357
|
tao
|
selectionAndExtendedQuery = query +qspec.getReturnDocList()+qspec.getReturnFieldList();
|
| 609 |
|
|
String cachedResult = getResultXMLFromCache(selectionAndExtendedQuery);
|
| 610 |
|
|
logMetacat.debug("The key of query cache is "+selectionAndExtendedQuery);
|
| 611 |
3342
|
tao
|
//System.out.println("==========the string from cache is "+cachedResult);
|
| 612 |
|
|
if (cachedResult != null)
|
| 613 |
|
|
{
|
| 614 |
3392
|
tao
|
logMetacat.info("resutl from cache !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
|
| 615 |
3342
|
tao
|
if (out != null)
|
| 616 |
|
|
{
|
| 617 |
|
|
out.println(cachedResult);
|
| 618 |
|
|
}
|
| 619 |
|
|
resultsetBuffer.append(cachedResult);
|
| 620 |
|
|
return resultsetBuffer;
|
| 621 |
|
|
}
|
| 622 |
|
|
}
|
| 623 |
|
|
|
| 624 |
3219
|
berkley
|
startTime = System.currentTimeMillis() / 1000;
|
| 625 |
2087
|
tao
|
pstmt = dbconn.prepareStatement(query);
|
| 626 |
3219
|
berkley
|
rs = pstmt.executeQuery();
|
| 627 |
3246
|
berkley
|
|
| 628 |
2087
|
tao
|
double queryExecuteTime = System.currentTimeMillis() / 1000;
|
| 629 |
3258
|
tao
|
logMetacat.warn("Time to execute select docid query is "
|
| 630 |
2663
|
sgarg
|
+ (queryExecuteTime - startTime));
|
| 631 |
3271
|
tao
|
MetaCatUtil.writeDebugToFile("\n\n\n\n\n\nExecute selection query "
|
| 632 |
|
|
+ (queryExecuteTime - startTime));
|
| 633 |
3277
|
tao
|
MetaCatUtil.writeDebugToDelimiteredFile(""+(queryExecuteTime - startTime), false);
|
| 634 |
3246
|
berkley
|
|
| 635 |
3247
|
berkley
|
boolean tableHasRows = rs.next();
|
| 636 |
3246
|
berkley
|
|
| 637 |
|
|
if(pagesize == 0)
|
| 638 |
|
|
{ //this makes sure we get all results if there is no paging
|
| 639 |
3368
|
tao
|
pagesize = NONPAGESIZE;
|
| 640 |
|
|
pagestart = NONPAGESIZE;
|
| 641 |
3246
|
berkley
|
}
|
| 642 |
|
|
|
| 643 |
|
|
int currentIndex = 0;
|
| 644 |
2087
|
tao
|
while (tableHasRows)
|
| 645 |
|
|
{
|
| 646 |
3264
|
tao
|
logMetacat.info("############getting result: " + currentIndex);
|
| 647 |
2087
|
tao
|
docid = rs.getString(1).trim();
|
| 648 |
3264
|
tao
|
logMetacat.info("############processing: " + docid);
|
| 649 |
2087
|
tao
|
docname = rs.getString(2);
|
| 650 |
|
|
doctype = rs.getString(3);
|
| 651 |
3264
|
tao
|
logMetacat.info("############processing: " + doctype);
|
| 652 |
2087
|
tao
|
createDate = rs.getString(4);
|
| 653 |
|
|
updateDate = rs.getString(5);
|
| 654 |
|
|
rev = rs.getInt(6);
|
| 655 |
3246
|
berkley
|
|
| 656 |
3307
|
tao
|
Vector returndocVec = qspec.getReturnDocList();
|
| 657 |
|
|
if (returndocVec.size() == 0 || returndocVec.contains(doctype))
|
| 658 |
2087
|
tao
|
{
|
| 659 |
3264
|
tao
|
logMetacat.info("NOT Back tracing now...");
|
| 660 |
2087
|
tao
|
document = new StringBuffer();
|
| 661 |
2043
|
sgarg
|
|
| 662 |
2087
|
tao
|
String completeDocid = docid
|
| 663 |
2075
|
jones
|
+ MetaCatUtil.getOption("accNumSeparator");
|
| 664 |
2087
|
tao
|
completeDocid += rev;
|
| 665 |
|
|
document.append("<docid>").append(completeDocid).append("</docid>");
|
| 666 |
|
|
if (docname != null)
|
| 667 |
|
|
{
|
| 668 |
|
|
document.append("<docname>" + docname + "</docname>");
|
| 669 |
3219
|
berkley
|
}
|
| 670 |
|
|
if (doctype != null)
|
| 671 |
|
|
{
|
| 672 |
|
|
document.append("<doctype>" + doctype + "</doctype>");
|
| 673 |
|
|
}
|
| 674 |
|
|
if (createDate != null)
|
| 675 |
|
|
{
|
| 676 |
|
|
document.append("<createdate>" + createDate + "</createdate>");
|
| 677 |
|
|
}
|
| 678 |
|
|
if (updateDate != null)
|
| 679 |
|
|
{
|
| 680 |
|
|
document.append("<updatedate>" + updateDate + "</updatedate>");
|
| 681 |
|
|
}
|
| 682 |
|
|
// Store the document id and the root node id
|
| 683 |
3246
|
berkley
|
|
| 684 |
|
|
docListResult.addResultDocument(
|
| 685 |
|
|
new ResultDocument(docid, (String) document.toString()));
|
| 686 |
3264
|
tao
|
logMetacat.info("$$$$$$$real result: " + docid);
|
| 687 |
3246
|
berkley
|
currentIndex++;
|
| 688 |
3219
|
berkley
|
count++;
|
| 689 |
2087
|
tao
|
}//else
|
| 690 |
3246
|
berkley
|
|
| 691 |
2087
|
tao
|
// when doclist reached the offset number, send out doc list and empty
|
| 692 |
|
|
// the hash table
|
| 693 |
3368
|
tao
|
if (count == offset && pagesize == NONPAGESIZE)
|
| 694 |
3246
|
berkley
|
{ //if pagesize is not 0, do this later.
|
| 695 |
2087
|
tao
|
//reset count
|
| 696 |
3262
|
berkley
|
//logMetacat.warn("############doing subset cache");
|
| 697 |
2087
|
tao
|
count = 0;
|
| 698 |
3246
|
berkley
|
handleSubsetResult(qspec, resultsetBuffer, out, docListResult,
|
| 699 |
2087
|
tao
|
user, groups,dbconn, useXMLIndex);
|
| 700 |
3246
|
berkley
|
//reset docListResult
|
| 701 |
|
|
docListResult = new ResultDocumentSet();
|
| 702 |
3368
|
tao
|
}
|
| 703 |
3246
|
berkley
|
|
| 704 |
3264
|
tao
|
logMetacat.info("currentIndex: " + currentIndex);
|
| 705 |
|
|
logMetacat.info("page comparator: " + (pagesize * pagestart) + pagesize);
|
| 706 |
3246
|
berkley
|
if(currentIndex >= ((pagesize * pagestart) + pagesize))
|
| 707 |
|
|
{
|
| 708 |
|
|
ResultDocumentSet pagedResultsHash = new ResultDocumentSet();
|
| 709 |
|
|
for(int i=pagesize*pagestart; i<docListResult.size(); i++)
|
| 710 |
|
|
{
|
| 711 |
|
|
pagedResultsHash.put(docListResult.get(i));
|
| 712 |
|
|
}
|
| 713 |
|
|
|
| 714 |
|
|
docListResult = pagedResultsHash;
|
| 715 |
|
|
break;
|
| 716 |
|
|
}
|
| 717 |
2087
|
tao
|
// Advance to the next record in the cursor
|
| 718 |
|
|
tableHasRows = rs.next();
|
| 719 |
3246
|
berkley
|
if(!tableHasRows)
|
| 720 |
|
|
{
|
| 721 |
3262
|
berkley
|
ResultDocumentSet pagedResultsHash = new ResultDocumentSet();
|
| 722 |
|
|
//get the last page of information then break
|
| 723 |
3368
|
tao
|
if(pagesize != NONPAGESIZE)
|
| 724 |
3262
|
berkley
|
{
|
| 725 |
|
|
for(int i=pagesize*pagestart; i<docListResult.size(); i++)
|
| 726 |
|
|
{
|
| 727 |
|
|
pagedResultsHash.put(docListResult.get(i));
|
| 728 |
|
|
}
|
| 729 |
|
|
docListResult = pagedResultsHash;
|
| 730 |
|
|
}
|
| 731 |
|
|
|
| 732 |
|
|
lastpage = true;
|
| 733 |
3246
|
berkley
|
break;
|
| 734 |
|
|
}
|
| 735 |
2087
|
tao
|
}//while
|
| 736 |
3246
|
berkley
|
|
| 737 |
2087
|
tao
|
rs.close();
|
| 738 |
|
|
pstmt.close();
|
| 739 |
3258
|
tao
|
double docListTime = System.currentTimeMillis() / 1000;
|
| 740 |
|
|
logMetacat.warn("======Total time to get docid list is: "
|
| 741 |
|
|
+ (docListTime - startSelectionTime ));
|
| 742 |
3271
|
tao
|
MetaCatUtil.writeDebugToFile("---------------------------------------------------------------------------------------------------------------Total selection: "
|
| 743 |
|
|
+ (docListTime - startSelectionTime ));
|
| 744 |
3277
|
tao
|
MetaCatUtil.writeDebugToDelimiteredFile(" "+ (docListTime - startSelectionTime ), false);
|
| 745 |
2087
|
tao
|
//if docListResult is not empty, it need to be sent.
|
| 746 |
3246
|
berkley
|
if (docListResult.size() != 0)
|
| 747 |
2087
|
tao
|
{
|
| 748 |
3342
|
tao
|
|
| 749 |
2087
|
tao
|
handleSubsetResult(qspec,resultsetBuffer, out, docListResult,
|
| 750 |
|
|
user, groups,dbconn, useXMLIndex);
|
| 751 |
|
|
}
|
| 752 |
2091
|
tao
|
|
| 753 |
3262
|
berkley
|
resultsetBuffer.append("\n<lastpage>" + lastpage + "</lastpage>\n");
|
| 754 |
|
|
if (out != null)
|
| 755 |
|
|
{
|
| 756 |
|
|
out.println("\n<lastpage>" + lastpage + "</lastpage>\n");
|
| 757 |
|
|
}
|
| 758 |
3342
|
tao
|
|
| 759 |
|
|
// now we only cached none-paged query and user is public
|
| 760 |
|
|
if (user != null && user.equalsIgnoreCase("public")
|
| 761 |
3368
|
tao
|
&& pagesize == NONPAGESIZE && MetaCatUtil.getOption("query_cache_on").equals("true"))
|
| 762 |
3342
|
tao
|
{
|
| 763 |
|
|
//System.out.println("the string stored into cache is "+ resultsetBuffer.toString());
|
| 764 |
3357
|
tao
|
storeQueryResultIntoCache(selectionAndExtendedQuery, resultsetBuffer.toString());
|
| 765 |
3342
|
tao
|
}
|
| 766 |
3262
|
berkley
|
|
| 767 |
2087
|
tao
|
return resultsetBuffer;
|
| 768 |
|
|
}//findReturnDoclist
|
| 769 |
2043
|
sgarg
|
|
| 770 |
|
|
|
| 771 |
2087
|
tao
|
/*
|
| 772 |
|
|
* Send completed search hashtable(part of reulst)to output stream
|
| 773 |
|
|
* and buffer into a buffer stream
|
| 774 |
|
|
*/
|
| 775 |
|
|
private StringBuffer handleSubsetResult(QuerySpecification qspec,
|
| 776 |
|
|
StringBuffer resultset,
|
| 777 |
3246
|
berkley
|
PrintWriter out, ResultDocumentSet partOfDoclist,
|
| 778 |
2087
|
tao
|
String user, String[]groups,
|
| 779 |
|
|
DBConnection dbconn, boolean useXMLIndex)
|
| 780 |
|
|
throws Exception
|
| 781 |
|
|
{
|
| 782 |
3258
|
tao
|
double startReturnField = System.currentTimeMillis()/1000;
|
| 783 |
2424
|
sgarg
|
// check if there is a record in xml_returnfield
|
| 784 |
|
|
// and get the returnfield_id and usage count
|
| 785 |
|
|
int usage_count = getXmlReturnfieldsTableId(qspec, dbconn);
|
| 786 |
|
|
boolean enterRecords = false;
|
| 787 |
|
|
|
| 788 |
|
|
// get value of xml_returnfield_count
|
| 789 |
|
|
int count = (new Integer(MetaCatUtil
|
| 790 |
|
|
.getOption("xml_returnfield_count")))
|
| 791 |
|
|
.intValue();
|
| 792 |
2430
|
sgarg
|
|
| 793 |
2446
|
sgarg
|
// set enterRecords to true if usage_count is more than the offset
|
| 794 |
2430
|
sgarg
|
// specified in metacat.properties
|
| 795 |
2424
|
sgarg
|
if(usage_count > count){
|
| 796 |
|
|
enterRecords = true;
|
| 797 |
|
|
}
|
| 798 |
3257
|
berkley
|
|
| 799 |
2421
|
sgarg
|
if(returnfield_id < 0){
|
| 800 |
2663
|
sgarg
|
logMetacat.warn("Error in getting returnfield id from"
|
| 801 |
|
|
+ "xml_returnfield table");
|
| 802 |
3227
|
berkley
|
enterRecords = false;
|
| 803 |
2421
|
sgarg
|
}
|
| 804 |
|
|
|
| 805 |
|
|
// get the hashtable containing the docids that already in the
|
| 806 |
|
|
// xml_queryresult table
|
| 807 |
2663
|
sgarg
|
logMetacat.info("size of partOfDoclist before"
|
| 808 |
2421
|
sgarg
|
+ " docidsInQueryresultTable(): "
|
| 809 |
2663
|
sgarg
|
+ partOfDoclist.size());
|
| 810 |
3258
|
tao
|
double startGetReturnValueFromQueryresultable = System.currentTimeMillis()/1000;
|
| 811 |
2421
|
sgarg
|
Hashtable queryresultDocList = docidsInQueryresultTable(returnfield_id,
|
| 812 |
|
|
partOfDoclist, dbconn);
|
| 813 |
|
|
|
| 814 |
|
|
// remove the keys in queryresultDocList from partOfDoclist
|
| 815 |
|
|
Enumeration _keys = queryresultDocList.keys();
|
| 816 |
|
|
while (_keys.hasMoreElements()){
|
| 817 |
3246
|
berkley
|
partOfDoclist.remove((String)_keys.nextElement());
|
| 818 |
2421
|
sgarg
|
}
|
| 819 |
3258
|
tao
|
double endGetReturnValueFromQueryresultable = System.currentTimeMillis()/1000;
|
| 820 |
|
|
logMetacat.warn("Time to get return fields from xml_queryresult table is (Part1 in return fields) " +
|
| 821 |
|
|
(endGetReturnValueFromQueryresultable-startGetReturnValueFromQueryresultable));
|
| 822 |
3271
|
tao
|
MetaCatUtil.writeDebugToFile("-----------------------------------------Get fields from xml_queryresult(Part1 in return fields) " +
|
| 823 |
|
|
(endGetReturnValueFromQueryresultable-startGetReturnValueFromQueryresultable));
|
| 824 |
3277
|
tao
|
MetaCatUtil.writeDebugToDelimiteredFile(" " +
|
| 825 |
|
|
(endGetReturnValueFromQueryresultable-startGetReturnValueFromQueryresultable),false);
|
| 826 |
2425
|
sgarg
|
// backup the keys-elements in partOfDoclist to check later
|
| 827 |
|
|
// if the doc entry is indexed yet
|
| 828 |
|
|
Hashtable partOfDoclistBackup = new Hashtable();
|
| 829 |
3246
|
berkley
|
Iterator itt = partOfDoclist.getDocids();
|
| 830 |
|
|
while (itt.hasNext()){
|
| 831 |
|
|
Object key = itt.next();
|
| 832 |
2425
|
sgarg
|
partOfDoclistBackup.put(key, partOfDoclist.get(key));
|
| 833 |
|
|
}
|
| 834 |
|
|
|
| 835 |
2663
|
sgarg
|
logMetacat.info("size of partOfDoclist after"
|
| 836 |
2421
|
sgarg
|
+ " docidsInQueryresultTable(): "
|
| 837 |
2663
|
sgarg
|
+ partOfDoclist.size());
|
| 838 |
2421
|
sgarg
|
|
| 839 |
|
|
//add return fields for the documents in partOfDoclist
|
| 840 |
|
|
partOfDoclist = addReturnfield(partOfDoclist, qspec, user, groups,
|
| 841 |
3246
|
berkley
|
dbconn, useXMLIndex);
|
| 842 |
3258
|
tao
|
double endExtendedQuery = System.currentTimeMillis()/1000;
|
| 843 |
3271
|
tao
|
logMetacat.warn("Get fields from index and node table (Part2 in return fields) "
|
| 844 |
3258
|
tao
|
+ (endExtendedQuery - endGetReturnValueFromQueryresultable));
|
| 845 |
3271
|
tao
|
MetaCatUtil.writeDebugToFile("-----------------------------------------Get fields from extened query(Part2 in return fields) "
|
| 846 |
|
|
+ (endExtendedQuery - endGetReturnValueFromQueryresultable));
|
| 847 |
3277
|
tao
|
MetaCatUtil.writeDebugToDelimiteredFile(" "
|
| 848 |
|
|
+ (endExtendedQuery - endGetReturnValueFromQueryresultable), false);
|
| 849 |
2421
|
sgarg
|
//add relationship part part docid list for the documents in partOfDocList
|
| 850 |
2087
|
tao
|
partOfDoclist = addRelationship(partOfDoclist, qspec, dbconn, useXMLIndex);
|
| 851 |
2421
|
sgarg
|
|
| 852 |
3258
|
tao
|
double startStoreReturnField = System.currentTimeMillis()/1000;
|
| 853 |
3246
|
berkley
|
Iterator keys = partOfDoclist.getDocids();
|
| 854 |
2087
|
tao
|
String key = null;
|
| 855 |
|
|
String element = null;
|
| 856 |
2421
|
sgarg
|
String query = null;
|
| 857 |
|
|
int offset = (new Integer(MetaCatUtil
|
| 858 |
|
|
.getOption("queryresult_string_length")))
|
| 859 |
|
|
.intValue();
|
| 860 |
3246
|
berkley
|
while (keys.hasNext())
|
| 861 |
2087
|
tao
|
{
|
| 862 |
3246
|
berkley
|
key = (String) keys.next();
|
| 863 |
2421
|
sgarg
|
element = (String)partOfDoclist.get(key);
|
| 864 |
3350
|
tao
|
|
| 865 |
2446
|
sgarg
|
// check if the enterRecords is true, elements is not null, element's
|
| 866 |
|
|
// length is less than the limit of table column and if the document
|
| 867 |
2425
|
sgarg
|
// has been indexed already
|
| 868 |
2446
|
sgarg
|
if(enterRecords && element != null
|
| 869 |
2425
|
sgarg
|
&& element.length() < offset
|
| 870 |
|
|
&& element.compareTo((String) partOfDoclistBackup.get(key)) != 0){
|
| 871 |
2421
|
sgarg
|
query = "INSERT INTO xml_queryresult (returnfield_id, docid, "
|
| 872 |
2446
|
sgarg
|
+ "queryresult_string) VALUES (?, ?, ?)";
|
| 873 |
|
|
|
| 874 |
2421
|
sgarg
|
PreparedStatement pstmt = null;
|
| 875 |
|
|
pstmt = dbconn.prepareStatement(query);
|
| 876 |
2446
|
sgarg
|
pstmt.setInt(1, returnfield_id);
|
| 877 |
|
|
pstmt.setString(2, key);
|
| 878 |
|
|
pstmt.setString(3, element);
|
| 879 |
3350
|
tao
|
|
| 880 |
2421
|
sgarg
|
dbconn.increaseUsageCount(1);
|
| 881 |
3350
|
tao
|
try
|
| 882 |
|
|
{
|
| 883 |
|
|
pstmt.execute();
|
| 884 |
|
|
}
|
| 885 |
|
|
catch(Exception e)
|
| 886 |
|
|
{
|
| 887 |
|
|
logMetacat.warn("couldn't insert the element to xml_queryresult table "+e.getLocalizedMessage());
|
| 888 |
|
|
}
|
| 889 |
|
|
finally
|
| 890 |
|
|
{
|
| 891 |
|
|
pstmt.close();
|
| 892 |
|
|
}
|
| 893 |
2421
|
sgarg
|
}
|
| 894 |
3263
|
tao
|
|
| 895 |
2421
|
sgarg
|
// A string with element
|
| 896 |
|
|
String xmlElement = " <document>" + element + "</document>";
|
| 897 |
3257
|
berkley
|
|
| 898 |
2421
|
sgarg
|
//send single element to output
|
| 899 |
|
|
if (out != null)
|
| 900 |
|
|
{
|
| 901 |
2087
|
tao
|
out.println(xmlElement);
|
| 902 |
2421
|
sgarg
|
}
|
| 903 |
|
|
resultset.append(xmlElement);
|
| 904 |
|
|
}//while
|
| 905 |
3263
|
tao
|
|
| 906 |
|
|
double endStoreReturnField = System.currentTimeMillis()/1000;
|
| 907 |
|
|
logMetacat.warn("Time to store new return fields into xml_queryresult table (Part4 in return fields) "
|
| 908 |
|
|
+ (endStoreReturnField -startStoreReturnField));
|
| 909 |
3271
|
tao
|
MetaCatUtil.writeDebugToFile("-----------------------------------------Insert new record to xml_queryresult(Part4 in return fields) "
|
| 910 |
|
|
+ (endStoreReturnField -startStoreReturnField));
|
| 911 |
3277
|
tao
|
MetaCatUtil.writeDebugToDelimiteredFile(" "
|
| 912 |
|
|
+ (endStoreReturnField -startStoreReturnField), false);
|
| 913 |
3263
|
tao
|
|
| 914 |
3246
|
berkley
|
Enumeration keysE = queryresultDocList.keys();
|
| 915 |
|
|
while (keysE.hasMoreElements())
|
| 916 |
2421
|
sgarg
|
{
|
| 917 |
3246
|
berkley
|
key = (String) keysE.nextElement();
|
| 918 |
2421
|
sgarg
|
element = (String)queryresultDocList.get(key);
|
| 919 |
|
|
// A string with element
|
| 920 |
|
|
String xmlElement = " <document>" + element + "</document>";
|
| 921 |
|
|
//send single element to output
|
| 922 |
|
|
if (out != null)
|
| 923 |
|
|
{
|
| 924 |
|
|
out.println(xmlElement);
|
| 925 |
|
|
}
|
| 926 |
|
|
resultset.append(xmlElement);
|
| 927 |
|
|
}//while
|
| 928 |
3258
|
tao
|
double returnFieldTime = System.currentTimeMillis() / 1000;
|
| 929 |
|
|
logMetacat.warn("======Total time to get return fields is: "
|
| 930 |
|
|
+ (returnFieldTime - startReturnField));
|
| 931 |
3271
|
tao
|
MetaCatUtil.writeDebugToFile("---------------------------------------------------------------------------------------------------------------"+
|
| 932 |
|
|
"Total to get return fields "
|
| 933 |
|
|
+ (returnFieldTime - startReturnField));
|
| 934 |
3277
|
tao
|
MetaCatUtil.writeDebugToDelimiteredFile(" "+ (returnFieldTime - startReturnField), false);
|
| 935 |
2421
|
sgarg
|
return resultset;
|
| 936 |
|
|
}
|
| 937 |
|
|
|
| 938 |
|
|
/**
|
| 939 |
|
|
* Get the docids already in xml_queryresult table and corresponding
|
| 940 |
|
|
* queryresultstring as a hashtable
|
| 941 |
|
|
*/
|
| 942 |
|
|
private Hashtable docidsInQueryresultTable(int returnfield_id,
|
| 943 |
3246
|
berkley
|
ResultDocumentSet partOfDoclist,
|
| 944 |
2421
|
sgarg
|
DBConnection dbconn){
|
| 945 |
|
|
|
| 946 |
|
|
Hashtable returnValue = new Hashtable();
|
| 947 |
|
|
PreparedStatement pstmt = null;
|
| 948 |
|
|
ResultSet rs = null;
|
| 949 |
|
|
|
| 950 |
|
|
// get partOfDoclist as string for the query
|
| 951 |
3246
|
berkley
|
Iterator keylist = partOfDoclist.getDocids();
|
| 952 |
2421
|
sgarg
|
StringBuffer doclist = new StringBuffer();
|
| 953 |
3246
|
berkley
|
while (keylist.hasNext())
|
| 954 |
2421
|
sgarg
|
{
|
| 955 |
|
|
doclist.append("'");
|
| 956 |
3246
|
berkley
|
doclist.append((String) keylist.next());
|
| 957 |
2421
|
sgarg
|
doclist.append("',");
|
| 958 |
|
|
}//while
|
| 959 |
|
|
|
| 960 |
|
|
|
| 961 |
|
|
if (doclist.length() > 0)
|
| 962 |
|
|
{
|
| 963 |
|
|
doclist.deleteCharAt(doclist.length() - 1); //remove the last comma
|
| 964 |
|
|
|
| 965 |
|
|
// the query to find out docids from xml_queryresult
|
| 966 |
|
|
String query = "select docid, queryresult_string from "
|
| 967 |
|
|
+ "xml_queryresult where returnfield_id = " +
|
| 968 |
|
|
returnfield_id +" and docid in ("+ doclist + ")";
|
| 969 |
2663
|
sgarg
|
logMetacat.info("Query to get docids from xml_queryresult:"
|
| 970 |
|
|
+ query);
|
| 971 |
2421
|
sgarg
|
|
| 972 |
|
|
try {
|
| 973 |
|
|
// prepare and execute the query
|
| 974 |
|
|
pstmt = dbconn.prepareStatement(query);
|
| 975 |
|
|
dbconn.increaseUsageCount(1);
|
| 976 |
|
|
pstmt.execute();
|
| 977 |
|
|
rs = pstmt.getResultSet();
|
| 978 |
|
|
boolean tableHasRows = rs.next();
|
| 979 |
|
|
while (tableHasRows) {
|
| 980 |
|
|
// store the returned results in the returnValue hashtable
|
| 981 |
|
|
String key = rs.getString(1);
|
| 982 |
|
|
String element = rs.getString(2);
|
| 983 |
|
|
|
| 984 |
|
|
if(element != null){
|
| 985 |
|
|
returnValue.put(key, element);
|
| 986 |
|
|
} else {
|
| 987 |
2663
|
sgarg
|
logMetacat.info("Null elment found ("
|
| 988 |
|
|
+ "DBQuery.docidsInQueryresultTable)");
|
| 989 |
2421
|
sgarg
|
}
|
| 990 |
|
|
tableHasRows = rs.next();
|
| 991 |
|
|
}
|
| 992 |
|
|
rs.close();
|
| 993 |
|
|
pstmt.close();
|
| 994 |
|
|
} catch (Exception e){
|
| 995 |
2663
|
sgarg
|
logMetacat.error("Error getting docids from "
|
| 996 |
2421
|
sgarg
|
+ "queryresult in "
|
| 997 |
|
|
+ "DBQuery.docidsInQueryresultTable: "
|
| 998 |
2663
|
sgarg
|
+ e.getMessage());
|
| 999 |
2421
|
sgarg
|
}
|
| 1000 |
|
|
}
|
| 1001 |
|
|
return returnValue;
|
| 1002 |
|
|
}
|
| 1003 |
|
|
|
| 1004 |
|
|
|
| 1005 |
|
|
/**
|
| 1006 |
|
|
* Method to get id from xml_returnfield table
|
| 1007 |
|
|
* for a given query specification
|
| 1008 |
|
|
*/
|
| 1009 |
2424
|
sgarg
|
private int returnfield_id;
|
| 1010 |
2421
|
sgarg
|
private int getXmlReturnfieldsTableId(QuerySpecification qspec,
|
| 1011 |
|
|
DBConnection dbconn){
|
| 1012 |
|
|
int id = -1;
|
| 1013 |
2424
|
sgarg
|
int count = 1;
|
| 1014 |
2421
|
sgarg
|
PreparedStatement pstmt = null;
|
| 1015 |
|
|
ResultSet rs = null;
|
| 1016 |
|
|
String returnfield = qspec.getSortedReturnFieldString();
|
| 1017 |
|
|
|
| 1018 |
|
|
// query for finding the id from xml_returnfield
|
| 1019 |
2446
|
sgarg
|
String query = "SELECT returnfield_id, usage_count FROM xml_returnfield "
|
| 1020 |
|
|
+ "WHERE returnfield_string LIKE ?";
|
| 1021 |
2663
|
sgarg
|
logMetacat.info("ReturnField Query:" + query);
|
| 1022 |
2421
|
sgarg
|
|
| 1023 |
|
|
try {
|
| 1024 |
|
|
// prepare and run the query
|
| 1025 |
|
|
pstmt = dbconn.prepareStatement(query);
|
| 1026 |
2446
|
sgarg
|
pstmt.setString(1,returnfield);
|
| 1027 |
2421
|
sgarg
|
dbconn.increaseUsageCount(1);
|
| 1028 |
|
|
pstmt.execute();
|
| 1029 |
|
|
rs = pstmt.getResultSet();
|
| 1030 |
|
|
boolean tableHasRows = rs.next();
|
| 1031 |
|
|
|
| 1032 |
|
|
// if record found then increase the usage count
|
| 1033 |
|
|
// else insert a new record and get the id of the new record
|
| 1034 |
|
|
if(tableHasRows){
|
| 1035 |
|
|
// get the id
|
| 1036 |
|
|
id = rs.getInt(1);
|
| 1037 |
2424
|
sgarg
|
count = rs.getInt(2) + 1;
|
| 1038 |
2421
|
sgarg
|
rs.close();
|
| 1039 |
|
|
pstmt.close();
|
| 1040 |
|
|
|
| 1041 |
|
|
// increase the usage count
|
| 1042 |
|
|
query = "UPDATE xml_returnfield SET usage_count ='" + count
|
| 1043 |
|
|
+ "' WHERE returnfield_id ='"+ id +"'";
|
| 1044 |
2663
|
sgarg
|
logMetacat.info("ReturnField Table Update:"+ query);
|
| 1045 |
2421
|
sgarg
|
|
| 1046 |
|
|
pstmt = dbconn.prepareStatement(query);
|
| 1047 |
|
|
dbconn.increaseUsageCount(1);
|
| 1048 |
|
|
pstmt.execute();
|
| 1049 |
|
|
pstmt.close();
|
| 1050 |
|
|
|
| 1051 |
|
|
} else {
|
| 1052 |
|
|
rs.close();
|
| 1053 |
|
|
pstmt.close();
|
| 1054 |
|
|
|
| 1055 |
|
|
// insert a new record
|
| 1056 |
|
|
query = "INSERT INTO xml_returnfield (returnfield_string, usage_count)"
|
| 1057 |
2446
|
sgarg
|
+ "VALUES (?, '1')";
|
| 1058 |
2663
|
sgarg
|
logMetacat.info("ReturnField Table Insert:"+ query);
|
| 1059 |
2421
|
sgarg
|
pstmt = dbconn.prepareStatement(query);
|
| 1060 |
2446
|
sgarg
|
pstmt.setString(1, returnfield);
|
| 1061 |
2421
|
sgarg
|
dbconn.increaseUsageCount(1);
|
| 1062 |
|
|
pstmt.execute();
|
| 1063 |
|
|
pstmt.close();
|
| 1064 |
|
|
|
| 1065 |
|
|
// get the id of the new record
|
| 1066 |
2446
|
sgarg
|
query = "SELECT returnfield_id FROM xml_returnfield "
|
| 1067 |
|
|
+ "WHERE returnfield_string LIKE ?";
|
| 1068 |
2663
|
sgarg
|
logMetacat.info("ReturnField query after Insert:" + query);
|
| 1069 |
2421
|
sgarg
|
pstmt = dbconn.prepareStatement(query);
|
| 1070 |
2446
|
sgarg
|
pstmt.setString(1, returnfield);
|
| 1071 |
|
|
|
| 1072 |
2421
|
sgarg
|
dbconn.increaseUsageCount(1);
|
| 1073 |
|
|
pstmt.execute();
|
| 1074 |
|
|
rs = pstmt.getResultSet();
|
| 1075 |
|
|
if(rs.next()){
|
| 1076 |
|
|
id = rs.getInt(1);
|
| 1077 |
|
|
} else {
|
| 1078 |
|
|
id = -1;
|
| 1079 |
|
|
}
|
| 1080 |
|
|
rs.close();
|
| 1081 |
|
|
pstmt.close();
|
| 1082 |
2087
|
tao
|
}
|
| 1083 |
2091
|
tao
|
|
| 1084 |
2421
|
sgarg
|
} catch (Exception e){
|
| 1085 |
2663
|
sgarg
|
logMetacat.error("Error getting id from xml_returnfield in "
|
| 1086 |
2421
|
sgarg
|
+ "DBQuery.getXmlReturnfieldsTableId: "
|
| 1087 |
2663
|
sgarg
|
+ e.getMessage());
|
| 1088 |
2421
|
sgarg
|
id = -1;
|
| 1089 |
|
|
}
|
| 1090 |
2424
|
sgarg
|
|
| 1091 |
|
|
returnfield_id = id;
|
| 1092 |
|
|
return count;
|
| 1093 |
2087
|
tao
|
}
|
| 1094 |
2043
|
sgarg
|
|
| 1095 |
|
|
|
| 1096 |
2087
|
tao
|
/*
|
| 1097 |
|
|
* A method to add return field to return doclist hash table
|
| 1098 |
|
|
*/
|
| 1099 |
3246
|
berkley
|
private ResultDocumentSet addReturnfield(ResultDocumentSet docListResult,
|
| 1100 |
2087
|
tao
|
QuerySpecification qspec,
|
| 1101 |
|
|
String user, String[]groups,
|
| 1102 |
|
|
DBConnection dbconn, boolean useXMLIndex )
|
| 1103 |
|
|
throws Exception
|
| 1104 |
|
|
{
|
| 1105 |
|
|
PreparedStatement pstmt = null;
|
| 1106 |
|
|
ResultSet rs = null;
|
| 1107 |
|
|
String docid = null;
|
| 1108 |
|
|
String fieldname = null;
|
| 1109 |
|
|
String fielddata = null;
|
| 1110 |
|
|
String relation = null;
|
| 1111 |
|
|
|
| 1112 |
|
|
if (qspec.containsExtendedSQL())
|
| 1113 |
|
|
{
|
| 1114 |
|
|
qspec.setUserName(user);
|
| 1115 |
|
|
qspec.setGroup(groups);
|
| 1116 |
|
|
Vector extendedFields = new Vector(qspec.getReturnFieldList());
|
| 1117 |
|
|
Vector results = new Vector();
|
| 1118 |
3246
|
berkley
|
Iterator keylist = docListResult.getDocids();
|
| 1119 |
2087
|
tao
|
StringBuffer doclist = new StringBuffer();
|
| 1120 |
|
|
Vector parentidList = new Vector();
|
| 1121 |
|
|
Hashtable returnFieldValue = new Hashtable();
|
| 1122 |
3246
|
berkley
|
while (keylist.hasNext())
|
| 1123 |
2087
|
tao
|
{
|
| 1124 |
|
|
doclist.append("'");
|
| 1125 |
3246
|
berkley
|
doclist.append((String) keylist.next());
|
| 1126 |
2087
|
tao
|
doclist.append("',");
|
| 1127 |
|
|
}
|
| 1128 |
|
|
if (doclist.length() > 0)
|
| 1129 |
|
|
{
|
| 1130 |
|
|
Hashtable controlPairs = new Hashtable();
|
| 1131 |
|
|
doclist.deleteCharAt(doclist.length() - 1); //remove the last comma
|
| 1132 |
3248
|
tao
|
boolean tableHasRows = false;
|
| 1133 |
3349
|
tao
|
|
| 1134 |
2087
|
tao
|
|
| 1135 |
|
|
String extendedQuery =
|
| 1136 |
3248
|
tao
|
qspec.printExtendedSQL(doclist.toString(), useXMLIndex);
|
| 1137 |
3246
|
berkley
|
logMetacat.info("Extended query: " + extendedQuery);
|
| 1138 |
2376
|
sgarg
|
|
| 1139 |
2474
|
sgarg
|
if(extendedQuery != null){
|
| 1140 |
3258
|
tao
|
double extendedQueryStart = System.currentTimeMillis() / 1000;
|
| 1141 |
2474
|
sgarg
|
pstmt = dbconn.prepareStatement(extendedQuery);
|
| 1142 |
|
|
//increase dbconnection usage count
|
| 1143 |
|
|
dbconn.increaseUsageCount(1);
|
| 1144 |
|
|
pstmt.execute();
|
| 1145 |
|
|
rs = pstmt.getResultSet();
|
| 1146 |
|
|
double extendedQueryEnd = System.currentTimeMillis() / 1000;
|
| 1147 |
3258
|
tao
|
logMetacat.warn(
|
| 1148 |
|
|
"Time to execute extended query: "
|
| 1149 |
2663
|
sgarg
|
+ (extendedQueryEnd - extendedQueryStart));
|
| 1150 |
3271
|
tao
|
MetaCatUtil.writeDebugToFile(
|
| 1151 |
|
|
"Execute extended query "
|
| 1152 |
|
|
+ (extendedQueryEnd - extendedQueryStart));
|
| 1153 |
3277
|
tao
|
MetaCatUtil.writeDebugToDelimiteredFile(" "+ (extendedQueryEnd - extendedQueryStart), false);
|
| 1154 |
2474
|
sgarg
|
tableHasRows = rs.next();
|
| 1155 |
|
|
while (tableHasRows) {
|
| 1156 |
|
|
ReturnFieldValue returnValue = new ReturnFieldValue();
|
| 1157 |
|
|
docid = rs.getString(1).trim();
|
| 1158 |
|
|
fieldname = rs.getString(2);
|
| 1159 |
|
|
fielddata = rs.getString(3);
|
| 1160 |
|
|
fielddata = MetaCatUtil.normalize(fielddata);
|
| 1161 |
|
|
String parentId = rs.getString(4);
|
| 1162 |
|
|
StringBuffer value = new StringBuffer();
|
| 1163 |
2043
|
sgarg
|
|
| 1164 |
2474
|
sgarg
|
// if xml_index is used, there would be just one record per nodeid
|
| 1165 |
|
|
// as xml_index just keeps one entry for each path
|
| 1166 |
|
|
if (useXMLIndex || !containsKey(parentidList, parentId)) {
|
| 1167 |
|
|
// don't need to merger nodedata
|
| 1168 |
|
|
value.append("<param name=\"");
|
| 1169 |
|
|
value.append(fieldname);
|
| 1170 |
|
|
value.append("\">");
|
| 1171 |
|
|
value.append(fielddata);
|
| 1172 |
|
|
value.append("</param>");
|
| 1173 |
|
|
//set returnvalue
|
| 1174 |
|
|
returnValue.setDocid(docid);
|
| 1175 |
|
|
returnValue.setFieldValue(fielddata);
|
| 1176 |
|
|
returnValue.setXMLFieldValue(value.toString());
|
| 1177 |
|
|
// Store it in hastable
|
| 1178 |
|
|
putInArray(parentidList, parentId, returnValue);
|
| 1179 |
|
|
}
|
| 1180 |
|
|
else {
|
| 1181 |
|
|
// need to merge nodedata if they have same parent id and
|
| 1182 |
|
|
// node type is text
|
| 1183 |
|
|
fielddata = (String) ( (ReturnFieldValue)
|
| 1184 |
|
|
getArrayValue(
|
| 1185 |
|
|
parentidList, parentId)).getFieldValue()
|
| 1186 |
|
|
+ fielddata;
|
| 1187 |
|
|
value.append("<param name=\"");
|
| 1188 |
|
|
value.append(fieldname);
|
| 1189 |
|
|
value.append("\">");
|
| 1190 |
|
|
value.append(fielddata);
|
| 1191 |
|
|
value.append("</param>");
|
| 1192 |
|
|
returnValue.setDocid(docid);
|
| 1193 |
|
|
returnValue.setFieldValue(fielddata);
|
| 1194 |
|
|
returnValue.setXMLFieldValue(value.toString());
|
| 1195 |
|
|
// remove the old return value from paretnidList
|
| 1196 |
|
|
parentidList.remove(parentId);
|
| 1197 |
|
|
// store the new return value in parentidlit
|
| 1198 |
|
|
putInArray(parentidList, parentId, returnValue);
|
| 1199 |
|
|
}
|
| 1200 |
|
|
tableHasRows = rs.next();
|
| 1201 |
|
|
} //while
|
| 1202 |
|
|
rs.close();
|
| 1203 |
|
|
pstmt.close();
|
| 1204 |
2043
|
sgarg
|
|
| 1205 |
2474
|
sgarg
|
// put the merger node data info into doclistReult
|
| 1206 |
|
|
Enumeration xmlFieldValue = (getElements(parentidList)).
|
| 1207 |
|
|
elements();
|
| 1208 |
|
|
while (xmlFieldValue.hasMoreElements()) {
|
| 1209 |
|
|
ReturnFieldValue object =
|
| 1210 |
|
|
(ReturnFieldValue) xmlFieldValue.nextElement();
|
| 1211 |
|
|
docid = object.getDocid();
|
| 1212 |
3246
|
berkley
|
if (docListResult.containsDocid(docid)) {
|
| 1213 |
2474
|
sgarg
|
String removedelement = (String) docListResult.
|
| 1214 |
|
|
remove(docid);
|
| 1215 |
|
|
docListResult.
|
| 1216 |
3246
|
berkley
|
addResultDocument(new ResultDocument(docid,
|
| 1217 |
|
|
removedelement + object.getXMLFieldValue()));
|
| 1218 |
2474
|
sgarg
|
}
|
| 1219 |
|
|
else {
|
| 1220 |
3246
|
berkley
|
docListResult.addResultDocument(
|
| 1221 |
|
|
new ResultDocument(docid, object.getXMLFieldValue()));
|
| 1222 |
2474
|
sgarg
|
}
|
| 1223 |
|
|
} //while
|
| 1224 |
|
|
double docListResultEnd = System.currentTimeMillis() / 1000;
|
| 1225 |
2663
|
sgarg
|
logMetacat.warn(
|
| 1226 |
3258
|
tao
|
"Time to prepare ResultDocumentSet after"
|
| 1227 |
3257
|
berkley
|
+ " execute extended query: "
|
| 1228 |
2663
|
sgarg
|
+ (docListResultEnd - extendedQueryEnd));
|
| 1229 |
2474
|
sgarg
|
}
|
| 1230 |
|
|
|
| 1231 |
3308
|
tao
|
|
| 1232 |
3258
|
tao
|
|
| 1233 |
3271
|
tao
|
|
| 1234 |
2087
|
tao
|
}//if doclist lenght is great than zero
|
| 1235 |
2043
|
sgarg
|
|
| 1236 |
2087
|
tao
|
}//if has extended query
|
| 1237 |
2043
|
sgarg
|
|
| 1238 |
2087
|
tao
|
return docListResult;
|
| 1239 |
|
|
}//addReturnfield
|
| 1240 |
2043
|
sgarg
|
|
| 1241 |
2087
|
tao
|
/*
|
| 1242 |
|
|
* A method to add relationship to return doclist hash table
|
| 1243 |
|
|
*/
|
| 1244 |
3246
|
berkley
|
private ResultDocumentSet addRelationship(ResultDocumentSet docListResult,
|
| 1245 |
2087
|
tao
|
QuerySpecification qspec,
|
| 1246 |
|
|
DBConnection dbconn, boolean useXMLIndex )
|
| 1247 |
|
|
throws Exception
|
| 1248 |
|
|
{
|
| 1249 |
|
|
PreparedStatement pstmt = null;
|
| 1250 |
|
|
ResultSet rs = null;
|
| 1251 |
|
|
StringBuffer document = null;
|
| 1252 |
|
|
double startRelation = System.currentTimeMillis() / 1000;
|
| 1253 |
3246
|
berkley
|
Iterator docidkeys = docListResult.getDocids();
|
| 1254 |
|
|
while (docidkeys.hasNext())
|
| 1255 |
2087
|
tao
|
{
|
| 1256 |
|
|
//String connstring =
|
| 1257 |
|
|
// "metacat://"+util.getOption("server")+"?docid=";
|
| 1258 |
|
|
String connstring = "%docid=";
|
| 1259 |
3257
|
berkley
|
String docidkey;
|
| 1260 |
|
|
synchronized(docListResult)
|
| 1261 |
|
|
{
|
| 1262 |
|
|
docidkey = (String) docidkeys.next();
|
| 1263 |
|
|
}
|
| 1264 |
2087
|
tao
|
pstmt = dbconn.prepareStatement(QuerySpecification
|
| 1265 |
|
|
.printRelationSQL(docidkey));
|
| 1266 |
|
|
pstmt.execute();
|
| 1267 |
|
|
rs = pstmt.getResultSet();
|
| 1268 |
|
|
boolean tableHasRows = rs.next();
|
| 1269 |
|
|
while (tableHasRows)
|
| 1270 |
|
|
{
|
| 1271 |
|
|
String sub = rs.getString(1);
|
| 1272 |
|
|
String rel = rs.getString(2);
|
| 1273 |
|
|
String obj = rs.getString(3);
|
| 1274 |
|
|
String subDT = rs.getString(4);
|
| 1275 |
|
|
String objDT = rs.getString(5);
|
| 1276 |
2043
|
sgarg
|
|
| 1277 |
2087
|
tao
|
document = new StringBuffer();
|
| 1278 |
|
|
document.append("<triple>");
|
| 1279 |
|
|
document.append("<subject>").append(MetaCatUtil.normalize(sub));
|
| 1280 |
|
|
document.append("</subject>");
|
| 1281 |
|
|
if (subDT != null)
|
| 1282 |
|
|
{
|
| 1283 |
|
|
document.append("<subjectdoctype>").append(subDT);
|
| 1284 |
|
|
document.append("</subjectdoctype>");
|
| 1285 |
|
|
}
|
| 1286 |
|
|
document.append("<relationship>").append(MetaCatUtil.normalize(rel));
|
| 1287 |
|
|
document.append("</relationship>");
|
| 1288 |
|
|
document.append("<object>").append(MetaCatUtil.normalize(obj));
|
| 1289 |
|
|
document.append("</object>");
|
| 1290 |
|
|
if (objDT != null)
|
| 1291 |
|
|
{
|
| 1292 |
|
|
document.append("<objectdoctype>").append(objDT);
|
| 1293 |
|
|
document.append("</objectdoctype>");
|
| 1294 |
|
|
}
|
| 1295 |
|
|
document.append("</triple>");
|
| 1296 |
2043
|
sgarg
|
|
| 1297 |
3263
|
tao
|
String removedelement = (String) docListResult.get(docidkey);
|
| 1298 |
|
|
docListResult.set(docidkey, removedelement+ document.toString());
|
| 1299 |
2087
|
tao
|
tableHasRows = rs.next();
|
| 1300 |
|
|
}//while
|
| 1301 |
|
|
rs.close();
|
| 1302 |
|
|
pstmt.close();
|
| 1303 |
3263
|
tao
|
|
| 1304 |
2087
|
tao
|
}//while
|
| 1305 |
|
|
double endRelation = System.currentTimeMillis() / 1000;
|
| 1306 |
3271
|
tao
|
logMetacat.warn("Time to add relationship to return fields (part 3 in return fields): "
|
| 1307 |
2663
|
sgarg
|
+ (endRelation - startRelation));
|
| 1308 |
3271
|
tao
|
MetaCatUtil.writeDebugToFile("-----------------------------------------Add relationship to return field(part3 in return fields): "
|
| 1309 |
|
|
+ (endRelation - startRelation));
|
| 1310 |
3277
|
tao
|
MetaCatUtil.writeDebugToDelimiteredFile(" "+ (endRelation - startRelation), false);
|
| 1311 |
2043
|
sgarg
|
|
| 1312 |
2087
|
tao
|
return docListResult;
|
| 1313 |
|
|
}//addRelation
|
| 1314 |
|
|
|
| 1315 |
|
|
/**
|
| 1316 |
|
|
* removes the <?xml version="1.0"?> tag from the beginning. This takes a
|
| 1317 |
|
|
* string as a param instead of a hashtable.
|
| 1318 |
|
|
*
|
| 1319 |
|
|
* @param xmlquery a string representing a query.
|
| 1320 |
|
|
*/
|
| 1321 |
|
|
private String transformQuery(String xmlquery)
|
| 1322 |
|
|
{
|
| 1323 |
|
|
xmlquery = xmlquery.trim();
|
| 1324 |
|
|
int index = xmlquery.indexOf("?>");
|
| 1325 |
|
|
if (index != -1)
|
| 1326 |
|
|
{
|
| 1327 |
|
|
return xmlquery.substring(index + 2, xmlquery.length());
|
| 1328 |
|
|
}
|
| 1329 |
|
|
else
|
| 1330 |
|
|
{
|
| 1331 |
|
|
return xmlquery;
|
| 1332 |
|
|
}
|
| 1333 |
|
|
}
|
| 1334 |
3340
|
tao
|
|
| 1335 |
|
|
/*
|
| 1336 |
3342
|
tao
|
* Method to store query string and result xml string into query result
|
| 1337 |
3340
|
tao
|
* cache. If the size alreay reache the limitation, the cache will be
|
| 1338 |
|
|
* cleared first, then store them.
|
| 1339 |
|
|
*/
|
| 1340 |
3342
|
tao
|
private void storeQueryResultIntoCache(String query, String resultXML)
|
| 1341 |
3340
|
tao
|
{
|
| 1342 |
|
|
synchronized (queryResultCache)
|
| 1343 |
|
|
{
|
| 1344 |
|
|
if (queryResultCache.size() >= QUERYRESULTCACHESIZE)
|
| 1345 |
|
|
{
|
| 1346 |
|
|
queryResultCache.clear();
|
| 1347 |
|
|
}
|
| 1348 |
3342
|
tao
|
queryResultCache.put(query, resultXML);
|
| 1349 |
3340
|
tao
|
|
| 1350 |
|
|
}
|
| 1351 |
|
|
}
|
| 1352 |
|
|
|
| 1353 |
|
|
/*
|
| 1354 |
3342
|
tao
|
* Method to get result xml string from query result cache.
|
| 1355 |
|
|
* Note: the returned string can be null.
|
| 1356 |
3340
|
tao
|
*/
|
| 1357 |
3342
|
tao
|
private String getResultXMLFromCache(String query)
|
| 1358 |
3340
|
tao
|
{
|
| 1359 |
3342
|
tao
|
String resultSet = null;
|
| 1360 |
3340
|
tao
|
synchronized (queryResultCache)
|
| 1361 |
|
|
{
|
| 1362 |
|
|
try
|
| 1363 |
|
|
{
|
| 1364 |
3357
|
tao
|
logMetacat.info("Get query from cache ===");
|
| 1365 |
3342
|
tao
|
resultSet = (String)queryResultCache.get(query);
|
| 1366 |
3340
|
tao
|
|
| 1367 |
|
|
}
|
| 1368 |
|
|
catch (Exception e)
|
| 1369 |
|
|
{
|
| 1370 |
|
|
resultSet = null;
|
| 1371 |
|
|
}
|
| 1372 |
|
|
|
| 1373 |
|
|
}
|
| 1374 |
|
|
return resultSet;
|
| 1375 |
|
|
}
|
| 1376 |
|
|
|
| 1377 |
|
|
/**
|
| 1378 |
|
|
* Method to clear the query result cache.
|
| 1379 |
|
|
*/
|
| 1380 |
|
|
public static void clearQueryResultCache()
|
| 1381 |
|
|
{
|
| 1382 |
|
|
synchronized (queryResultCache)
|
| 1383 |
|
|
{
|
| 1384 |
|
|
queryResultCache.clear();
|
| 1385 |
|
|
}
|
| 1386 |
|
|
}
|
| 1387 |
2087
|
tao
|
|
| 1388 |
|
|
|
| 1389 |
2075
|
jones
|
/*
|
| 1390 |
|
|
* A method to search if Vector contains a particular key string
|
| 1391 |
|
|
*/
|
| 1392 |
|
|
private boolean containsKey(Vector parentidList, String parentId)
|
| 1393 |
|
|
{
|
| 1394 |
2043
|
sgarg
|
|
| 1395 |
2075
|
jones
|
Vector tempVector = null;
|
| 1396 |
2043
|
sgarg
|
|
| 1397 |
2075
|
jones
|
for (int count = 0; count < parentidList.size(); count++) {
|
| 1398 |
|
|
tempVector = (Vector) parentidList.get(count);
|
| 1399 |
2360
|
sgarg
|
if (parentId.compareTo((String) tempVector.get(0)) == 0) { return true; }
|
| 1400 |
2075
|
jones
|
}
|
| 1401 |
|
|
return false;
|
| 1402 |
2043
|
sgarg
|
}
|
| 1403 |
|
|
|
| 1404 |
2075
|
jones
|
/*
|
| 1405 |
|
|
* A method to put key and value in Vector
|
| 1406 |
|
|
*/
|
| 1407 |
|
|
private void putInArray(Vector parentidList, String key,
|
| 1408 |
|
|
ReturnFieldValue value)
|
| 1409 |
|
|
{
|
| 1410 |
2043
|
sgarg
|
|
| 1411 |
2075
|
jones
|
Vector tempVector = null;
|
| 1412 |
2043
|
sgarg
|
|
| 1413 |
2075
|
jones
|
for (int count = 0; count < parentidList.size(); count++) {
|
| 1414 |
|
|
tempVector = (Vector) parentidList.get(count);
|
| 1415 |
2043
|
sgarg
|
|
| 1416 |
2075
|
jones
|
if (key.compareTo((String) tempVector.get(0)) == 0) {
|
| 1417 |
|
|
tempVector.remove(1);
|
| 1418 |
|
|
tempVector.add(1, value);
|
| 1419 |
|
|
return;
|
| 1420 |
|
|
}
|
| 1421 |
|
|
}
|
| 1422 |
2043
|
sgarg
|
|
| 1423 |
2075
|
jones
|
tempVector = new Vector();
|
| 1424 |
|
|
tempVector.add(0, key);
|
| 1425 |
|
|
tempVector.add(1, value);
|
| 1426 |
|
|
parentidList.add(tempVector);
|
| 1427 |
|
|
return;
|
| 1428 |
2043
|
sgarg
|
}
|
| 1429 |
|
|
|
| 1430 |
2075
|
jones
|
/*
|
| 1431 |
|
|
* A method to get value in Vector given a key
|
| 1432 |
|
|
*/
|
| 1433 |
|
|
private ReturnFieldValue getArrayValue(Vector parentidList, String key)
|
| 1434 |
1353
|
tao
|
{
|
| 1435 |
2043
|
sgarg
|
|
| 1436 |
2075
|
jones
|
Vector tempVector = null;
|
| 1437 |
2043
|
sgarg
|
|
| 1438 |
2075
|
jones
|
for (int count = 0; count < parentidList.size(); count++) {
|
| 1439 |
|
|
tempVector = (Vector) parentidList.get(count);
|
| 1440 |
2043
|
sgarg
|
|
| 1441 |
2075
|
jones
|
if (key.compareTo((String) tempVector.get(0)) == 0) { return (ReturnFieldValue) tempVector
|
| 1442 |
|
|
.get(1); }
|
| 1443 |
|
|
}
|
| 1444 |
|
|
return null;
|
| 1445 |
2045
|
tao
|
}
|
| 1446 |
436
|
berkley
|
|
| 1447 |
2075
|
jones
|
/*
|
| 1448 |
|
|
* A method to get enumeration of all values in Vector
|
| 1449 |
|
|
*/
|
| 1450 |
|
|
private Vector getElements(Vector parentidList)
|
| 1451 |
342
|
berkley
|
{
|
| 1452 |
2446
|
sgarg
|
Vector enumVector = new Vector();
|
| 1453 |
2075
|
jones
|
Vector tempVector = null;
|
| 1454 |
2043
|
sgarg
|
|
| 1455 |
2075
|
jones
|
for (int count = 0; count < parentidList.size(); count++) {
|
| 1456 |
|
|
tempVector = (Vector) parentidList.get(count);
|
| 1457 |
744
|
jones
|
|
| 1458 |
2446
|
sgarg
|
enumVector.add(tempVector.get(1));
|
| 1459 |
744
|
jones
|
}
|
| 1460 |
2446
|
sgarg
|
return enumVector;
|
| 1461 |
372
|
berkley
|
}
|
| 1462 |
2043
|
sgarg
|
|
| 1463 |
3308
|
tao
|
|
| 1464 |
2043
|
sgarg
|
|
| 1465 |
2075
|
jones
|
/*
|
| 1466 |
|
|
* A method to create a query to get owner's docid list
|
| 1467 |
|
|
*/
|
| 1468 |
|
|
private String getOwnerQuery(String owner)
|
| 1469 |
372
|
berkley
|
{
|
| 1470 |
2075
|
jones
|
if (owner != null) {
|
| 1471 |
|
|
owner = owner.toLowerCase();
|
| 1472 |
|
|
}
|
| 1473 |
|
|
StringBuffer self = new StringBuffer();
|
| 1474 |
2043
|
sgarg
|
|
| 1475 |
2075
|
jones
|
self.append("SELECT docid,docname,doctype,");
|
| 1476 |
|
|
self.append("date_created, date_updated, rev ");
|
| 1477 |
|
|
self.append("FROM xml_documents WHERE docid IN (");
|
| 1478 |
|
|
self.append("(");
|
| 1479 |
|
|
self.append("SELECT DISTINCT docid FROM xml_nodes WHERE \n");
|
| 1480 |
|
|
self.append("nodedata LIKE '%%%' ");
|
| 1481 |
|
|
self.append(") \n");
|
| 1482 |
|
|
self.append(") ");
|
| 1483 |
|
|
self.append(" AND (");
|
| 1484 |
|
|
self.append(" lower(user_owner) = '" + owner + "'");
|
| 1485 |
|
|
self.append(") ");
|
| 1486 |
|
|
return self.toString();
|
| 1487 |
342
|
berkley
|
}
|
| 1488 |
2043
|
sgarg
|
|
| 1489 |
2075
|
jones
|
/**
|
| 1490 |
|
|
* format a structured query as an XML document that conforms to the
|
| 1491 |
|
|
* pathquery.dtd and is appropriate for submission to the DBQuery
|
| 1492 |
|
|
* structured query engine
|
| 1493 |
2087
|
tao
|
*
|
| 1494 |
2075
|
jones
|
* @param params The list of parameters that should be included in the
|
| 1495 |
|
|
* query
|
| 1496 |
|
|
*/
|
| 1497 |
|
|
public static String createSQuery(Hashtable params)
|
| 1498 |
342
|
berkley
|
{
|
| 1499 |
2075
|
jones
|
StringBuffer query = new StringBuffer();
|
| 1500 |
|
|
Enumeration elements;
|
| 1501 |
|
|
Enumeration keys;
|
| 1502 |
|
|
String filterDoctype = null;
|
| 1503 |
|
|
String casesensitive = null;
|
| 1504 |
|
|
String searchmode = null;
|
| 1505 |
|
|
Object nextkey;
|
| 1506 |
|
|
Object nextelement;
|
| 1507 |
|
|
//add the xml headers
|
| 1508 |
|
|
query.append("<?xml version=\"1.0\"?>\n");
|
| 1509 |
2091
|
tao
|
query.append("<pathquery version=\"1.2\">\n");
|
| 1510 |
372
|
berkley
|
|
| 1511 |
2091
|
tao
|
|
| 1512 |
|
|
|
| 1513 |
2075
|
jones
|
if (params.containsKey("meta_file_id")) {
|
| 1514 |
|
|
query.append("<meta_file_id>");
|
| 1515 |
|
|
query.append(((String[]) params.get("meta_file_id"))[0]);
|
| 1516 |
|
|
query.append("</meta_file_id>");
|
| 1517 |
372
|
berkley
|
}
|
| 1518 |
2043
|
sgarg
|
|
| 1519 |
2075
|
jones
|
if (params.containsKey("returndoctype")) {
|
| 1520 |
|
|
String[] returnDoctypes = ((String[]) params.get("returndoctype"));
|
| 1521 |
|
|
for (int i = 0; i < returnDoctypes.length; i++) {
|
| 1522 |
|
|
String doctype = (String) returnDoctypes[i];
|
| 1523 |
181
|
jones
|
|
| 1524 |
2075
|
jones
|
if (!doctype.equals("any") && !doctype.equals("ANY")
|
| 1525 |
|
|
&& !doctype.equals("")) {
|
| 1526 |
|
|
query.append("<returndoctype>").append(doctype);
|
| 1527 |
|
|
query.append("</returndoctype>");
|
| 1528 |
|
|
}
|
| 1529 |
|
|
}
|
| 1530 |
|
|
}
|
| 1531 |
181
|
jones
|
|
| 1532 |
2075
|
jones
|
if (params.containsKey("filterdoctype")) {
|
| 1533 |
|
|
String[] filterDoctypes = ((String[]) params.get("filterdoctype"));
|
| 1534 |
|
|
for (int i = 0; i < filterDoctypes.length; i++) {
|
| 1535 |
|
|
query.append("<filterdoctype>").append(filterDoctypes[i]);
|
| 1536 |
|
|
query.append("</filterdoctype>");
|
| 1537 |
|
|
}
|
| 1538 |
|
|
}
|
| 1539 |
181
|
jones
|
|
| 1540 |
2075
|
jones
|
if (params.containsKey("returnfield")) {
|
| 1541 |
|
|
String[] returnfield = ((String[]) params.get("returnfield"));
|
| 1542 |
|
|
for (int i = 0; i < returnfield.length; i++) {
|
| 1543 |
|
|
query.append("<returnfield>").append(returnfield[i]);
|
| 1544 |
|
|
query.append("</returnfield>");
|
| 1545 |
|
|
}
|
| 1546 |
|
|
}
|
| 1547 |
2043
|
sgarg
|
|
| 1548 |
2075
|
jones
|
if (params.containsKey("owner")) {
|
| 1549 |
|
|
String[] owner = ((String[]) params.get("owner"));
|
| 1550 |
|
|
for (int i = 0; i < owner.length; i++) {
|
| 1551 |
|
|
query.append("<owner>").append(owner[i]);
|
| 1552 |
|
|
query.append("</owner>");
|
| 1553 |
|
|
}
|
| 1554 |
|
|
}
|
| 1555 |
181
|
jones
|
|
| 1556 |
2075
|
jones
|
if (params.containsKey("site")) {
|
| 1557 |
|
|
String[] site = ((String[]) params.get("site"));
|
| 1558 |
|
|
for (int i = 0; i < site.length; i++) {
|
| 1559 |
|
|
query.append("<site>").append(site[i]);
|
| 1560 |
|
|
query.append("</site>");
|
| 1561 |
|
|
}
|
| 1562 |
|
|
}
|
| 1563 |
2043
|
sgarg
|
|
| 1564 |
2075
|
jones
|
//allows the dynamic switching of boolean operators
|
| 1565 |
|
|
if (params.containsKey("operator")) {
|
| 1566 |
|
|
query.append("<querygroup operator=\""
|
| 1567 |
|
|
+ ((String[]) params.get("operator"))[0] + "\">");
|
| 1568 |
|
|
} else { //the default operator is UNION
|
| 1569 |
|
|
query.append("<querygroup operator=\"UNION\">");
|
| 1570 |
|
|
}
|
| 1571 |
940
|
tao
|
|
| 1572 |
2075
|
jones
|
if (params.containsKey("casesensitive")) {
|
| 1573 |
|
|
casesensitive = ((String[]) params.get("casesensitive"))[0];
|
| 1574 |
|
|
} else {
|
| 1575 |
|
|
casesensitive = "false";
|
| 1576 |
|
|
}
|
| 1577 |
2043
|
sgarg
|
|
| 1578 |
2075
|
jones
|
if (params.containsKey("searchmode")) {
|
| 1579 |
|
|
searchmode = ((String[]) params.get("searchmode"))[0];
|
| 1580 |
|
|
} else {
|
| 1581 |
|
|
searchmode = "contains";
|
| 1582 |
940
|
tao
|
}
|
| 1583 |
|
|
|
| 1584 |
2075
|
jones
|
//anyfield is a special case because it does a
|
| 1585 |
|
|
//free text search. It does not have a <pathexpr>
|
| 1586 |
|
|
//tag. This allows for a free text search within the structured
|
| 1587 |
|
|
//query. This is useful if the INTERSECT operator is used.
|
| 1588 |
|
|
if (params.containsKey("anyfield")) {
|
| 1589 |
|
|
String[] anyfield = ((String[]) params.get("anyfield"));
|
| 1590 |
|
|
//allow for more than one value for anyfield
|
| 1591 |
|
|
for (int i = 0; i < anyfield.length; i++) {
|
| 1592 |
|
|
if (!anyfield[i].equals("")) {
|
| 1593 |
|
|
query.append("<queryterm casesensitive=\"" + casesensitive
|
| 1594 |
|
|
+ "\" " + "searchmode=\"" + searchmode
|
| 1595 |
|
|
+ "\"><value>" + anyfield[i]
|
| 1596 |
|
|
+ "</value></queryterm>");
|
| 1597 |
|
|
}
|
| 1598 |
|
|
}
|
| 1599 |
940
|
tao
|
}
|
| 1600 |
2043
|
sgarg
|
|
| 1601 |
2075
|
jones
|
//this while loop finds the rest of the parameters
|
| 1602 |
|
|
//and attempts to query for the field specified
|
| 1603 |
|
|
//by the parameter.
|
| 1604 |
|
|
elements = params.elements();
|
| 1605 |
|
|
keys = params.keys();
|
| 1606 |
|
|
while (keys.hasMoreElements() && elements.hasMoreElements()) {
|
| 1607 |
|
|
nextkey = keys.nextElement();
|
| 1608 |
|
|
nextelement = elements.nextElement();
|
| 1609 |
2043
|
sgarg
|
|
| 1610 |
2075
|
jones
|
//make sure we aren't querying for any of these
|
| 1611 |
|
|
//parameters since the are already in the query
|
| 1612 |
|
|
//in one form or another.
|
| 1613 |
|
|
Vector ignoredParams = new Vector();
|
| 1614 |
|
|
ignoredParams.add("returndoctype");
|
| 1615 |
|
|
ignoredParams.add("filterdoctype");
|
| 1616 |
|
|
ignoredParams.add("action");
|
| 1617 |
|
|
ignoredParams.add("qformat");
|
| 1618 |
|
|
ignoredParams.add("anyfield");
|
| 1619 |
|
|
ignoredParams.add("returnfield");
|
| 1620 |
|
|
ignoredParams.add("owner");
|
| 1621 |
|
|
ignoredParams.add("site");
|
| 1622 |
|
|
ignoredParams.add("operator");
|
| 1623 |
2091
|
tao
|
ignoredParams.add("sessionid");
|
| 1624 |
3211
|
berkley
|
ignoredParams.add("pagesize");
|
| 1625 |
|
|
ignoredParams.add("pagestart");
|
| 1626 |
2043
|
sgarg
|
|
| 1627 |
2075
|
jones
|
// Also ignore parameters listed in the properties file
|
| 1628 |
|
|
// so that they can be passed through to stylesheets
|
| 1629 |
|
|
String paramsToIgnore = MetaCatUtil
|
| 1630 |
|
|
.getOption("query.ignored.params");
|
| 1631 |
|
|
StringTokenizer st = new StringTokenizer(paramsToIgnore, ",");
|
| 1632 |
|
|
while (st.hasMoreTokens()) {
|
| 1633 |
|
|
ignoredParams.add(st.nextToken());
|
| 1634 |
|
|
}
|
| 1635 |
|
|
if (!ignoredParams.contains(nextkey.toString())) {
|
| 1636 |
|
|
//allow for more than value per field name
|
| 1637 |
|
|
for (int i = 0; i < ((String[]) nextelement).length; i++) {
|
| 1638 |
|
|
if (!((String[]) nextelement)[i].equals("")) {
|
| 1639 |
|
|
query.append("<queryterm casesensitive=\""
|
| 1640 |
|
|
+ casesensitive + "\" " + "searchmode=\""
|
| 1641 |
2087
|
tao
|
+ searchmode + "\">" + "<value>" +
|
| 1642 |
2075
|
jones
|
//add the query value
|
| 1643 |
|
|
((String[]) nextelement)[i]
|
| 1644 |
2087
|
tao
|
+ "</value><pathexpr>" +
|
| 1645 |
2075
|
jones
|
//add the path to query by
|
| 1646 |
|
|
nextkey.toString() + "</pathexpr></queryterm>");
|
| 1647 |
|
|
}
|
| 1648 |
|
|
}
|
| 1649 |
|
|
}
|
| 1650 |
|
|
}
|
| 1651 |
|
|
query.append("</querygroup></pathquery>");
|
| 1652 |
|
|
//append on the end of the xml and return the result as a string
|
| 1653 |
|
|
return query.toString();
|
| 1654 |
|
|
}
|
| 1655 |
2043
|
sgarg
|
|
| 1656 |
2075
|
jones
|
/**
|
| 1657 |
|
|
* format a simple free-text value query as an XML document that conforms
|
| 1658 |
|
|
* to the pathquery.dtd and is appropriate for submission to the DBQuery
|
| 1659 |
|
|
* structured query engine
|
| 1660 |
2087
|
tao
|
*
|
| 1661 |
2075
|
jones
|
* @param value the text string to search for in the xml catalog
|
| 1662 |
|
|
* @param doctype the type of documents to include in the result set -- use
|
| 1663 |
|
|
* "any" or "ANY" for unfiltered result sets
|
| 1664 |
|
|
*/
|
| 1665 |
|
|
public static String createQuery(String value, String doctype)
|
| 1666 |
1292
|
tao
|
{
|
| 1667 |
2075
|
jones
|
StringBuffer xmlquery = new StringBuffer();
|
| 1668 |
|
|
xmlquery.append("<?xml version=\"1.0\"?>\n");
|
| 1669 |
|
|
xmlquery.append("<pathquery version=\"1.0\">");
|
| 1670 |
2043
|
sgarg
|
|
| 1671 |
2075
|
jones
|
if (!doctype.equals("any") && !doctype.equals("ANY")) {
|
| 1672 |
|
|
xmlquery.append("<returndoctype>");
|
| 1673 |
|
|
xmlquery.append(doctype).append("</returndoctype>");
|
| 1674 |
|
|
}
|
| 1675 |
2043
|
sgarg
|
|
| 1676 |
2075
|
jones
|
xmlquery.append("<querygroup operator=\"UNION\">");
|
| 1677 |
|
|
//chad added - 8/14
|
| 1678 |
|
|
//the if statement allows a query to gracefully handle a null
|
| 1679 |
|
|
//query. Without this if a nullpointerException is thrown.
|
| 1680 |
|
|
if (!value.equals("")) {
|
| 1681 |
|
|
xmlquery.append("<queryterm casesensitive=\"false\" ");
|
| 1682 |
|
|
xmlquery.append("searchmode=\"contains\">");
|
| 1683 |
|
|
xmlquery.append("<value>").append(value).append("</value>");
|
| 1684 |
|
|
xmlquery.append("</queryterm>");
|
| 1685 |
1217
|
tao
|
}
|
| 1686 |
2075
|
jones
|
xmlquery.append("</querygroup>");
|
| 1687 |
|
|
xmlquery.append("</pathquery>");
|
| 1688 |
2043
|
sgarg
|
|
| 1689 |
2075
|
jones
|
return (xmlquery.toString());
|
| 1690 |
|
|
}
|
| 1691 |
2043
|
sgarg
|
|
| 1692 |
2075
|
jones
|
/**
|
| 1693 |
|
|
* format a simple free-text value query as an XML document that conforms
|
| 1694 |
|
|
* to the pathquery.dtd and is appropriate for submission to the DBQuery
|
| 1695 |
|
|
* structured query engine
|
| 1696 |
2087
|
tao
|
*
|
| 1697 |
2075
|
jones
|
* @param value the text string to search for in the xml catalog
|
| 1698 |
|
|
*/
|
| 1699 |
|
|
public static String createQuery(String value)
|
| 1700 |
940
|
tao
|
{
|
| 1701 |
2075
|
jones
|
return createQuery(value, "any");
|
| 1702 |
940
|
tao
|
}
|
| 1703 |
2043
|
sgarg
|
|
| 1704 |
2075
|
jones
|
/**
|
| 1705 |
|
|
* Check for "READ" permission on @docid for @user and/or @group from DB
|
| 1706 |
|
|
* connection
|
| 1707 |
|
|
*/
|
| 1708 |
|
|
private boolean hasPermission(String user, String[] groups, String docid)
|
| 1709 |
|
|
throws SQLException, Exception
|
| 1710 |
940
|
tao
|
{
|
| 1711 |
2075
|
jones
|
// Check for READ permission on @docid for @user and/or @groups
|
| 1712 |
|
|
PermissionController controller = new PermissionController(docid);
|
| 1713 |
|
|
return controller.hasPermission(user, groups,
|
| 1714 |
|
|
AccessControlInterface.READSTRING);
|
| 1715 |
|
|
}
|
| 1716 |
2043
|
sgarg
|
|
| 1717 |
2075
|
jones
|
/**
|
| 1718 |
|
|
* Get all docIds list for a data packadge
|
| 1719 |
2087
|
tao
|
*
|
| 1720 |
2075
|
jones
|
* @param dataPackageDocid, the string in docId field of xml_relation table
|
| 1721 |
|
|
*/
|
| 1722 |
|
|
private Vector getCurrentDocidListForDataPackage(String dataPackageDocid)
|
| 1723 |
940
|
tao
|
{
|
| 1724 |
2075
|
jones
|
DBConnection dbConn = null;
|
| 1725 |
|
|
int serialNumber = -1;
|
| 1726 |
|
|
Vector docIdList = new Vector();//return value
|
| 1727 |
|
|
PreparedStatement pStmt = null;
|
| 1728 |
|
|
ResultSet rs = null;
|
| 1729 |
|
|
String docIdInSubjectField = null;
|
| 1730 |
|
|
String docIdInObjectField = null;
|
| 1731 |
2043
|
sgarg
|
|
| 1732 |
2075
|
jones
|
// Check the parameter
|
| 1733 |
|
|
if (dataPackageDocid == null || dataPackageDocid.equals("")) { return docIdList; }//if
|
| 1734 |
940
|
tao
|
|
| 1735 |
2075
|
jones
|
//the query stirng
|
| 1736 |
|
|
String query = "SELECT subject, object from xml_relation where docId = ?";
|
| 1737 |
|
|
try {
|
| 1738 |
|
|
dbConn = DBConnectionPool
|
| 1739 |
|
|
.getDBConnection("DBQuery.getCurrentDocidListForDataPackage");
|
| 1740 |
|
|
serialNumber = dbConn.getCheckOutSerialNumber();
|
| 1741 |
|
|
pStmt = dbConn.prepareStatement(query);
|
| 1742 |
|
|
//bind the value to query
|
| 1743 |
|
|
pStmt.setString(1, dataPackageDocid);
|
| 1744 |
2043
|
sgarg
|
|
| 1745 |
2075
|
jones
|
//excute the query
|
| 1746 |
|
|
pStmt.execute();
|
| 1747 |
|
|
//get the result set
|
| 1748 |
|
|
rs = pStmt.getResultSet();
|
| 1749 |
|
|
//process the result
|
| 1750 |
|
|
while (rs.next()) {
|
| 1751 |
|
|
//In order to get the whole docIds in a data packadge,
|
| 1752 |
|
|
//we need to put the docIds of subject and object field in
|
| 1753 |
|
|
// xml_relation
|
| 1754 |
|
|
//into the return vector
|
| 1755 |
|
|
docIdInSubjectField = rs.getString(1);//the result docId in
|
| 1756 |
|
|
// subject field
|
| 1757 |
|
|
docIdInObjectField = rs.getString(2);//the result docId in
|
| 1758 |
|
|
// object field
|
| 1759 |
940
|
tao
|
|
| 1760 |
2075
|
jones
|
//don't put the duplicate docId into the vector
|
| 1761 |
|
|
if (!docIdList.contains(docIdInSubjectField)) {
|
| 1762 |
|
|
docIdList.add(docIdInSubjectField);
|
| 1763 |
|
|
}
|
| 1764 |
2043
|
sgarg
|
|
| 1765 |
2075
|
jones
|
//don't put the duplicate docId into the vector
|
| 1766 |
|
|
if (!docIdList.contains(docIdInObjectField)) {
|
| 1767 |
|
|
docIdList.add(docIdInObjectField);
|
| 1768 |
|
|
}
|
| 1769 |
|
|
}//while
|
| 1770 |
|
|
//close the pStmt
|
| 1771 |
|
|
pStmt.close();
|
| 1772 |
|
|
}//try
|
| 1773 |
|
|
catch (SQLException e) {
|
| 1774 |
2663
|
sgarg
|
logMetacat.error("Error in getDocidListForDataPackage: "
|
| 1775 |
|
|
+ e.getMessage());
|
| 1776 |
2075
|
jones
|
}//catch
|
| 1777 |
|
|
finally {
|
| 1778 |
|
|
try {
|
| 1779 |
|
|
pStmt.close();
|
| 1780 |
|
|
}//try
|
| 1781 |
|
|
catch (SQLException ee) {
|
| 1782 |
2663
|
sgarg
|
logMetacat.error(
|
| 1783 |
2075
|
jones
|
"Error in getDocidListForDataPackage: "
|
| 1784 |
2663
|
sgarg
|
+ ee.getMessage());
|
| 1785 |
2075
|
jones
|
}//catch
|
| 1786 |
|
|
finally {
|
| 1787 |
|
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
| 1788 |
|
|
}//fianlly
|
| 1789 |
|
|
}//finally
|
| 1790 |
|
|
return docIdList;
|
| 1791 |
|
|
}//getCurrentDocidListForDataPackadge()
|
| 1792 |
2043
|
sgarg
|
|
| 1793 |
2075
|
jones
|
/**
|
| 1794 |
|
|
* Get all docIds list for a data packadge
|
| 1795 |
2087
|
tao
|
*
|
| 1796 |
2075
|
jones
|
* @param dataPackageDocid, the string in docId field of xml_relation table
|
| 1797 |
|
|
*/
|
| 1798 |
2641
|
tao
|
private Vector getOldVersionDocidListForDataPackage(String dataPackageDocidWithRev)
|
| 1799 |
940
|
tao
|
{
|
| 1800 |
2043
|
sgarg
|
|
| 1801 |
2075
|
jones
|
Vector docIdList = new Vector();//return value
|
| 1802 |
|
|
Vector tripleList = null;
|
| 1803 |
|
|
String xml = null;
|
| 1804 |
2043
|
sgarg
|
|
| 1805 |
2075
|
jones
|
// Check the parameter
|
| 1806 |
2641
|
tao
|
if (dataPackageDocidWithRev == null || dataPackageDocidWithRev.equals("")) { return docIdList; }//if
|
| 1807 |
2043
|
sgarg
|
|
| 1808 |
2075
|
jones
|
try {
|
| 1809 |
|
|
//initial a documentImpl object
|
| 1810 |
2641
|
tao
|
DocumentImpl packageDocument = new DocumentImpl(dataPackageDocidWithRev);
|
| 1811 |
2075
|
jones
|
//transfer to documentImpl object to string
|
| 1812 |
|
|
xml = packageDocument.toString();
|
| 1813 |
2043
|
sgarg
|
|
| 1814 |
2075
|
jones
|
//create a tripcollection object
|
| 1815 |
|
|
TripleCollection tripleForPackage = new TripleCollection(
|
| 1816 |
|
|
new StringReader(xml));
|
| 1817 |
|
|
//get the vetor of triples
|
| 1818 |
|
|
tripleList = tripleForPackage.getCollection();
|
| 1819 |
2043
|
sgarg
|
|
| 1820 |
2075
|
jones
|
for (int i = 0; i < tripleList.size(); i++) {
|
| 1821 |
|
|
//put subject docid into docIdlist without duplicate
|
| 1822 |
|
|
if (!docIdList.contains(((Triple) tripleList.elementAt(i))
|
| 1823 |
|
|
.getSubject())) {
|
| 1824 |
|
|
//put subject docid into docIdlist
|
| 1825 |
|
|
docIdList.add(((Triple) tripleList.get(i)).getSubject());
|
| 1826 |
|
|
}
|
| 1827 |
|
|
//put object docid into docIdlist without duplicate
|
| 1828 |
|
|
if (!docIdList.contains(((Triple) tripleList.elementAt(i))
|
| 1829 |
|
|
.getObject())) {
|
| 1830 |
|
|
docIdList.add(((Triple) (tripleList.get(i))).getObject());
|
| 1831 |
|
|
}
|
| 1832 |
|
|
}//for
|
| 1833 |
|
|
}//try
|
| 1834 |
|
|
catch (Exception e) {
|
| 1835 |
2663
|
sgarg
|
logMetacat.error("Error in getOldVersionAllDocumentImpl: "
|
| 1836 |
|
|
+ e.getMessage());
|
| 1837 |
2075
|
jones
|
}//catch
|
| 1838 |
2043
|
sgarg
|
|
| 1839 |
2075
|
jones
|
// return result
|
| 1840 |
|
|
return docIdList;
|
| 1841 |
|
|
}//getDocidListForPackageInXMLRevisions()
|
| 1842 |
2043
|
sgarg
|
|
| 1843 |
2075
|
jones
|
/**
|
| 1844 |
|
|
* Check if the docId is a data packadge id. If the id is a data packadage
|
| 1845 |
|
|
* id, it should be store in the docId fields in xml_relation table. So we
|
| 1846 |
|
|
* can use a query to get the entries which the docId equals the given
|
| 1847 |
|
|
* value. If the result is null. The docId is not a packadge id. Otherwise,
|
| 1848 |
|
|
* it is.
|
| 1849 |
2087
|
tao
|
*
|
| 1850 |
2075
|
jones
|
* @param docId, the id need to be checked
|
| 1851 |
|
|
*/
|
| 1852 |
|
|
private boolean isDataPackageId(String docId)
|
| 1853 |
940
|
tao
|
{
|
| 1854 |
2075
|
jones
|
boolean result = false;
|
| 1855 |
|
|
PreparedStatement pStmt = null;
|
| 1856 |
|
|
ResultSet rs = null;
|
| 1857 |
|
|
String query = "SELECT docId from xml_relation where docId = ?";
|
| 1858 |
|
|
DBConnection dbConn = null;
|
| 1859 |
|
|
int serialNumber = -1;
|
| 1860 |
|
|
try {
|
| 1861 |
|
|
dbConn = DBConnectionPool
|
| 1862 |
|
|
.getDBConnection("DBQuery.isDataPackageId");
|
| 1863 |
|
|
serialNumber = dbConn.getCheckOutSerialNumber();
|
| 1864 |
|
|
pStmt = dbConn.prepareStatement(query);
|
| 1865 |
|
|
//bind the value to query
|
| 1866 |
|
|
pStmt.setString(1, docId);
|
| 1867 |
|
|
//execute the query
|
| 1868 |
|
|
pStmt.execute();
|
| 1869 |
|
|
rs = pStmt.getResultSet();
|
| 1870 |
|
|
//process the result
|
| 1871 |
|
|
if (rs.next()) //There are some records for the id in docId fields
|
| 1872 |
|
|
{
|
| 1873 |
|
|
result = true;//It is a data packadge id
|
| 1874 |
|
|
}
|
| 1875 |
|
|
pStmt.close();
|
| 1876 |
|
|
}//try
|
| 1877 |
|
|
catch (SQLException e) {
|
| 1878 |
2663
|
sgarg
|
logMetacat.error("Error in isDataPackageId: "
|
| 1879 |
|
|
+ e.getMessage());
|
| 1880 |
2075
|
jones
|
} finally {
|
| 1881 |
|
|
try {
|
| 1882 |
|
|
pStmt.close();
|
| 1883 |
|
|
}//try
|
| 1884 |
|
|
catch (SQLException ee) {
|
| 1885 |
2663
|
sgarg
|
logMetacat.error("Error in isDataPackageId: "
|
| 1886 |
|
|
+ ee.getMessage());
|
| 1887 |
2075
|
jones
|
}//catch
|
| 1888 |
|
|
finally {
|
| 1889 |
|
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
| 1890 |
|
|
}//finally
|
| 1891 |
|
|
}//finally
|
| 1892 |
|
|
return result;
|
| 1893 |
|
|
}//isDataPackageId()
|
| 1894 |
2043
|
sgarg
|
|
| 1895 |
2075
|
jones
|
/**
|
| 1896 |
|
|
* Check if the user has the permission to export data package
|
| 1897 |
2087
|
tao
|
*
|
| 1898 |
2075
|
jones
|
* @param conn, the connection
|
| 1899 |
|
|
* @param docId, the id need to be checked
|
| 1900 |
|
|
* @param user, the name of user
|
| 1901 |
|
|
* @param groups, the user's group
|
| 1902 |
|
|
*/
|
| 1903 |
|
|
private boolean hasPermissionToExportPackage(String docId, String user,
|
| 1904 |
|
|
String[] groups) throws Exception
|
| 1905 |
940
|
tao
|
{
|
| 1906 |
2075
|
jones
|
//DocumentImpl doc=new DocumentImpl(conn,docId);
|
| 1907 |
|
|
return DocumentImpl.hasReadPermission(user, groups, docId);
|
| 1908 |
|
|
}
|
| 1909 |
2043
|
sgarg
|
|
| 1910 |
2075
|
jones
|
/**
|
| 1911 |
|
|
* Get the current Rev for a docid in xml_documents table
|
| 1912 |
2087
|
tao
|
*
|
| 1913 |
2075
|
jones
|
* @param docId, the id need to get version numb If the return value is -5,
|
| 1914 |
|
|
* means no value in rev field for this docid
|
| 1915 |
|
|
*/
|
| 1916 |
|
|
private int getCurrentRevFromXMLDoumentsTable(String docId)
|
| 1917 |
|
|
throws SQLException
|
| 1918 |
|
|
{
|
| 1919 |
|
|
int rev = -5;
|
| 1920 |
|
|
PreparedStatement pStmt = null;
|
| 1921 |
|
|
ResultSet rs = null;
|
| 1922 |
|
|
String query = "SELECT rev from xml_documents where docId = ?";
|
| 1923 |
|
|
DBConnection dbConn = null;
|
| 1924 |
|
|
int serialNumber = -1;
|
| 1925 |
|
|
try {
|
| 1926 |
|
|
dbConn = DBConnectionPool
|
| 1927 |
|
|
.getDBConnection("DBQuery.getCurrentRevFromXMLDocumentsTable");
|
| 1928 |
|
|
serialNumber = dbConn.getCheckOutSerialNumber();
|
| 1929 |
|
|
pStmt = dbConn.prepareStatement(query);
|
| 1930 |
|
|
//bind the value to query
|
| 1931 |
|
|
pStmt.setString(1, docId);
|
| 1932 |
|
|
//execute the query
|
| 1933 |
|
|
pStmt.execute();
|
| 1934 |
|
|
rs = pStmt.getResultSet();
|
| 1935 |
|
|
//process the result
|
| 1936 |
|
|
if (rs.next()) //There are some records for rev
|
| 1937 |
|
|
{
|
| 1938 |
|
|
rev = rs.getInt(1);
|
| 1939 |
|
|
;//It is the version for given docid
|
| 1940 |
|
|
} else {
|
| 1941 |
|
|
rev = -5;
|
| 1942 |
|
|
}
|
| 1943 |
2043
|
sgarg
|
|
| 1944 |
1292
|
tao
|
}//try
|
| 1945 |
2075
|
jones
|
catch (SQLException e) {
|
| 1946 |
2663
|
sgarg
|
logMetacat.error(
|
| 1947 |
2075
|
jones
|
"Error in getCurrentRevFromXMLDoumentsTable: "
|
| 1948 |
2663
|
sgarg
|
+ e.getMessage());
|
| 1949 |
2075
|
jones
|
throw e;
|
| 1950 |
1292
|
tao
|
}//catch
|
| 1951 |
2075
|
jones
|
finally {
|
| 1952 |
|
|
try {
|
| 1953 |
|
|
pStmt.close();
|
| 1954 |
|
|
}//try
|
| 1955 |
|
|
catch (SQLException ee) {
|
| 1956 |
2663
|
sgarg
|
logMetacat.error(
|
| 1957 |
2075
|
jones
|
"Error in getCurrentRevFromXMLDoumentsTable: "
|
| 1958 |
2663
|
sgarg
|
+ ee.getMessage());
|
| 1959 |
2075
|
jones
|
}//catch
|
| 1960 |
|
|
finally {
|
| 1961 |
|
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
| 1962 |
|
|
}//finally
|
| 1963 |
|
|
}//finally
|
| 1964 |
|
|
return rev;
|
| 1965 |
|
|
}//getCurrentRevFromXMLDoumentsTable
|
| 1966 |
2043
|
sgarg
|
|
| 1967 |
2075
|
jones
|
/**
|
| 1968 |
|
|
* put a doc into a zip output stream
|
| 1969 |
2087
|
tao
|
*
|
| 1970 |
2075
|
jones
|
* @param docImpl, docmentImpl object which will be sent to zip output
|
| 1971 |
|
|
* stream
|
| 1972 |
|
|
* @param zipOut, zip output stream which the docImpl will be put
|
| 1973 |
|
|
* @param packageZipEntry, the zip entry name for whole package
|
| 1974 |
|
|
*/
|
| 1975 |
|
|
private void addDocToZipOutputStream(DocumentImpl docImpl,
|
| 1976 |
|
|
ZipOutputStream zipOut, String packageZipEntry)
|
| 1977 |
|
|
throws ClassNotFoundException, IOException, SQLException,
|
| 1978 |
|
|
McdbException, Exception
|
| 1979 |
|
|
{
|
| 1980 |
|
|
byte[] byteString = null;
|
| 1981 |
|
|
ZipEntry zEntry = null;
|
| 1982 |
2043
|
sgarg
|
|
| 1983 |
2075
|
jones
|
byteString = docImpl.toString().getBytes();
|
| 1984 |
|
|
//use docId as the zip entry's name
|
| 1985 |
|
|
zEntry = new ZipEntry(packageZipEntry + "/metadata/"
|
| 1986 |
|
|
+ docImpl.getDocID());
|
| 1987 |
|
|
zEntry.setSize(byteString.length);
|
| 1988 |
|
|
zipOut.putNextEntry(zEntry);
|
| 1989 |
|
|
zipOut.write(byteString, 0, byteString.length);
|
| 1990 |
|
|
zipOut.closeEntry();
|
| 1991 |
2043
|
sgarg
|
|
| 1992 |
2075
|
jones
|
}//addDocToZipOutputStream()
|
| 1993 |
940
|
tao
|
|
| 1994 |
2075
|
jones
|
/**
|
| 1995 |
|
|
* Transfer a docid vetor to a documentImpl vector. The documentImpl vetor
|
| 1996 |
|
|
* only inlcudes current version. If a DocumentImple object couldn't find
|
| 1997 |
|
|
* for a docid, then the String of this docid was added to vetor rather
|
| 1998 |
|
|
* than DocumentImple object.
|
| 1999 |
2087
|
tao
|
*
|
| 2000 |
2075
|
jones
|
* @param docIdList, a vetor hold a docid list for a data package. In
|
| 2001 |
|
|
* docid, there is not version number in it.
|
| 2002 |
|
|
*/
|
| 2003 |
2043
|
sgarg
|
|
| 2004 |
2075
|
jones
|
private Vector getCurrentAllDocumentImpl(Vector docIdList)
|
| 2005 |
|
|
throws McdbException, Exception
|
| 2006 |
940
|
tao
|
{
|
| 2007 |
2075
|
jones
|
//Connection dbConn=null;
|
| 2008 |
|
|
Vector documentImplList = new Vector();
|
| 2009 |
|
|
int rev = 0;
|
| 2010 |
2043
|
sgarg
|
|
| 2011 |
2075
|
jones
|
// Check the parameter
|
| 2012 |
|
|
if (docIdList.isEmpty()) { return documentImplList; }//if
|
| 2013 |
2043
|
sgarg
|
|
| 2014 |
2075
|
jones
|
//for every docid in vector
|
| 2015 |
|
|
for (int i = 0; i < docIdList.size(); i++) {
|
| 2016 |
|
|
try {
|
| 2017 |
|
|
//get newest version for this docId
|
| 2018 |
|
|
rev = getCurrentRevFromXMLDoumentsTable((String) docIdList
|
| 2019 |
|
|
.elementAt(i));
|
| 2020 |
940
|
tao
|
|
| 2021 |
2075
|
jones
|
// There is no record for this docId in xml_documents table
|
| 2022 |
|
|
if (rev == -5) {
|
| 2023 |
|
|
// Rather than put DocumentImple object, put a String
|
| 2024 |
|
|
// Object(docid)
|
| 2025 |
|
|
// into the documentImplList
|
| 2026 |
|
|
documentImplList.add((String) docIdList.elementAt(i));
|
| 2027 |
|
|
// Skip other code
|
| 2028 |
|
|
continue;
|
| 2029 |
|
|
}
|
| 2030 |
2043
|
sgarg
|
|
| 2031 |
2075
|
jones
|
String docidPlusVersion = ((String) docIdList.elementAt(i))
|
| 2032 |
|
|
+ MetaCatUtil.getOption("accNumSeparator") + rev;
|
| 2033 |
2043
|
sgarg
|
|
| 2034 |
2075
|
jones
|
//create new documentImpl object
|
| 2035 |
|
|
DocumentImpl documentImplObject = new DocumentImpl(
|
| 2036 |
|
|
docidPlusVersion);
|
| 2037 |
|
|
//add them to vector
|
| 2038 |
|
|
documentImplList.add(documentImplObject);
|
| 2039 |
|
|
}//try
|
| 2040 |
|
|
catch (Exception e) {
|
| 2041 |
2663
|
sgarg
|
logMetacat.error("Error in getCurrentAllDocumentImpl: "
|
| 2042 |
|
|
+ e.getMessage());
|
| 2043 |
2075
|
jones
|
// continue the for loop
|
| 2044 |
|
|
continue;
|
| 2045 |
|
|
}
|
| 2046 |
|
|
}//for
|
| 2047 |
|
|
return documentImplList;
|
| 2048 |
|
|
}
|
| 2049 |
2043
|
sgarg
|
|
| 2050 |
2075
|
jones
|
/**
|
| 2051 |
|
|
* Transfer a docid vetor to a documentImpl vector. If a DocumentImple
|
| 2052 |
|
|
* object couldn't find for a docid, then the String of this docid was
|
| 2053 |
|
|
* added to vetor rather than DocumentImple object.
|
| 2054 |
2087
|
tao
|
*
|
| 2055 |
2075
|
jones
|
* @param docIdList, a vetor hold a docid list for a data package. In
|
| 2056 |
|
|
* docid, t here is version number in it.
|
| 2057 |
|
|
*/
|
| 2058 |
|
|
private Vector getOldVersionAllDocumentImpl(Vector docIdList)
|
| 2059 |
|
|
{
|
| 2060 |
|
|
//Connection dbConn=null;
|
| 2061 |
|
|
Vector documentImplList = new Vector();
|
| 2062 |
|
|
String siteCode = null;
|
| 2063 |
|
|
String uniqueId = null;
|
| 2064 |
|
|
int rev = 0;
|
| 2065 |
2043
|
sgarg
|
|
| 2066 |
2075
|
jones
|
// Check the parameter
|
| 2067 |
|
|
if (docIdList.isEmpty()) { return documentImplList; }//if
|
| 2068 |
2043
|
sgarg
|
|
| 2069 |
2075
|
jones
|
//for every docid in vector
|
| 2070 |
|
|
for (int i = 0; i < docIdList.size(); i++) {
|
| 2071 |
2043
|
sgarg
|
|
| 2072 |
2075
|
jones
|
String docidPlusVersion = (String) (docIdList.elementAt(i));
|
| 2073 |
|
|
|
| 2074 |
|
|
try {
|
| 2075 |
|
|
//create new documentImpl object
|
| 2076 |
|
|
DocumentImpl documentImplObject = new DocumentImpl(
|
| 2077 |
|
|
docidPlusVersion);
|
| 2078 |
|
|
//add them to vector
|
| 2079 |
|
|
documentImplList.add(documentImplObject);
|
| 2080 |
|
|
}//try
|
| 2081 |
|
|
catch (McdbDocNotFoundException notFoundE) {
|
| 2082 |
2663
|
sgarg
|
logMetacat.error(
|
| 2083 |
2075
|
jones
|
"Error in DBQuery.getOldVersionAllDocument" + "Imple"
|
| 2084 |
2663
|
sgarg
|
+ notFoundE.getMessage());
|
| 2085 |
2075
|
jones
|
// Rather than add a DocumentImple object into vetor, a String
|
| 2086 |
|
|
// object
|
| 2087 |
|
|
// - the doicd was added to the vector
|
| 2088 |
|
|
documentImplList.add(docidPlusVersion);
|
| 2089 |
|
|
// Continue the for loop
|
| 2090 |
|
|
continue;
|
| 2091 |
|
|
}//catch
|
| 2092 |
|
|
catch (Exception e) {
|
| 2093 |
2663
|
sgarg
|
logMetacat.error(
|
| 2094 |
2075
|
jones
|
"Error in DBQuery.getOldVersionAllDocument" + "Imple"
|
| 2095 |
2663
|
sgarg
|
+ e.getMessage());
|
| 2096 |
2075
|
jones
|
// Continue the for loop
|
| 2097 |
|
|
continue;
|
| 2098 |
|
|
}//catch
|
| 2099 |
|
|
|
| 2100 |
|
|
}//for
|
| 2101 |
|
|
return documentImplList;
|
| 2102 |
|
|
}//getOldVersionAllDocumentImple
|
| 2103 |
|
|
|
| 2104 |
|
|
/**
|
| 2105 |
|
|
* put a data file into a zip output stream
|
| 2106 |
2087
|
tao
|
*
|
| 2107 |
2075
|
jones
|
* @param docImpl, docmentImpl object which will be sent to zip output
|
| 2108 |
|
|
* stream
|
| 2109 |
|
|
* @param zipOut, the zip output stream which the docImpl will be put
|
| 2110 |
|
|
* @param packageZipEntry, the zip entry name for whole package
|
| 2111 |
|
|
*/
|
| 2112 |
|
|
private void addDataFileToZipOutputStream(DocumentImpl docImpl,
|
| 2113 |
|
|
ZipOutputStream zipOut, String packageZipEntry)
|
| 2114 |
|
|
throws ClassNotFoundException, IOException, SQLException,
|
| 2115 |
|
|
McdbException, Exception
|
| 2116 |
940
|
tao
|
{
|
| 2117 |
2075
|
jones
|
byte[] byteString = null;
|
| 2118 |
|
|
ZipEntry zEntry = null;
|
| 2119 |
|
|
// this is data file; add file to zip
|
| 2120 |
|
|
String filePath = MetaCatUtil.getOption("datafilepath");
|
| 2121 |
|
|
if (!filePath.endsWith("/")) {
|
| 2122 |
|
|
filePath += "/";
|
| 2123 |
|
|
}
|
| 2124 |
|
|
String fileName = filePath + docImpl.getDocID();
|
| 2125 |
|
|
zEntry = new ZipEntry(packageZipEntry + "/data/" + docImpl.getDocID());
|
| 2126 |
|
|
zipOut.putNextEntry(zEntry);
|
| 2127 |
|
|
FileInputStream fin = null;
|
| 2128 |
|
|
try {
|
| 2129 |
|
|
fin = new FileInputStream(fileName);
|
| 2130 |
|
|
byte[] buf = new byte[4 * 1024]; // 4K buffer
|
| 2131 |
|
|
int b = fin.read(buf);
|
| 2132 |
|
|
while (b != -1) {
|
| 2133 |
|
|
zipOut.write(buf, 0, b);
|
| 2134 |
|
|
b = fin.read(buf);
|
| 2135 |
|
|
}//while
|
| 2136 |
|
|
zipOut.closeEntry();
|
| 2137 |
|
|
}//try
|
| 2138 |
|
|
catch (IOException ioe) {
|
| 2139 |
2663
|
sgarg
|
logMetacat.error("There is an exception: "
|
| 2140 |
|
|
+ ioe.getMessage());
|
| 2141 |
2075
|
jones
|
}//catch
|
| 2142 |
|
|
}//addDataFileToZipOutputStream()
|
| 2143 |
2043
|
sgarg
|
|
| 2144 |
2075
|
jones
|
/**
|
| 2145 |
|
|
* create a html summary for data package and put it into zip output stream
|
| 2146 |
2087
|
tao
|
*
|
| 2147 |
2075
|
jones
|
* @param docImplList, the documentImpl ojbects in data package
|
| 2148 |
|
|
* @param zipOut, the zip output stream which the html should be put
|
| 2149 |
|
|
* @param packageZipEntry, the zip entry name for whole package
|
| 2150 |
|
|
*/
|
| 2151 |
|
|
private void addHtmlSummaryToZipOutputStream(Vector docImplList,
|
| 2152 |
|
|
ZipOutputStream zipOut, String packageZipEntry) throws Exception
|
| 2153 |
|
|
{
|
| 2154 |
|
|
StringBuffer htmlDoc = new StringBuffer();
|
| 2155 |
|
|
ZipEntry zEntry = null;
|
| 2156 |
|
|
byte[] byteString = null;
|
| 2157 |
|
|
InputStream source;
|
| 2158 |
|
|
DBTransform xmlToHtml;
|
| 2159 |
2043
|
sgarg
|
|
| 2160 |
2075
|
jones
|
//create a DBTransform ojbect
|
| 2161 |
|
|
xmlToHtml = new DBTransform();
|
| 2162 |
|
|
//head of html
|
| 2163 |
|
|
htmlDoc.append("<html><head></head><body>");
|
| 2164 |
|
|
for (int i = 0; i < docImplList.size(); i++) {
|
| 2165 |
|
|
// If this String object, this means it is missed data file
|
| 2166 |
|
|
if ((((docImplList.elementAt(i)).getClass()).toString())
|
| 2167 |
|
|
.equals("class java.lang.String")) {
|
| 2168 |
2043
|
sgarg
|
|
| 2169 |
2075
|
jones
|
htmlDoc.append("<a href=\"");
|
| 2170 |
|
|
String dataFileid = (String) docImplList.elementAt(i);
|
| 2171 |
|
|
htmlDoc.append("./data/").append(dataFileid).append("\">");
|
| 2172 |
|
|
htmlDoc.append("Data File: ");
|
| 2173 |
|
|
htmlDoc.append(dataFileid).append("</a><br>");
|
| 2174 |
|
|
htmlDoc.append("<br><hr><br>");
|
| 2175 |
1356
|
tao
|
|
| 2176 |
2075
|
jones
|
}//if
|
| 2177 |
|
|
else if ((((DocumentImpl) docImplList.elementAt(i)).getDoctype())
|
| 2178 |
|
|
.compareTo("BIN") != 0) { //this is an xml file so we can
|
| 2179 |
|
|
// transform it.
|
| 2180 |
|
|
//transform each file individually then concatenate all of the
|
| 2181 |
|
|
//transformations together.
|
| 2182 |
1356
|
tao
|
|
| 2183 |
2075
|
jones
|
//for metadata xml title
|
| 2184 |
|
|
htmlDoc.append("<h2>");
|
| 2185 |
|
|
htmlDoc.append(((DocumentImpl) docImplList.elementAt(i))
|
| 2186 |
|
|
.getDocID());
|
| 2187 |
|
|
//htmlDoc.append(".");
|
| 2188 |
|
|
//htmlDoc.append(((DocumentImpl)docImplList.elementAt(i)).getRev());
|
| 2189 |
|
|
htmlDoc.append("</h2>");
|
| 2190 |
|
|
//do the actual transform
|
| 2191 |
|
|
StringWriter docString = new StringWriter();
|
| 2192 |
|
|
xmlToHtml.transformXMLDocument(((DocumentImpl) docImplList
|
| 2193 |
|
|
.elementAt(i)).toString(), "-//NCEAS//eml-generic//EN",
|
| 2194 |
|
|
"-//W3C//HTML//EN", "html", docString);
|
| 2195 |
|
|
htmlDoc.append(docString.toString());
|
| 2196 |
|
|
htmlDoc.append("<br><br><hr><br><br>");
|
| 2197 |
|
|
}//if
|
| 2198 |
|
|
else { //this is a data file so we should link to it in the html
|
| 2199 |
|
|
htmlDoc.append("<a href=\"");
|
| 2200 |
|
|
String dataFileid = ((DocumentImpl) docImplList.elementAt(i))
|
| 2201 |
|
|
.getDocID();
|
| 2202 |
|
|
htmlDoc.append("./data/").append(dataFileid).append("\">");
|
| 2203 |
|
|
htmlDoc.append("Data File: ");
|
| 2204 |
|
|
htmlDoc.append(dataFileid).append("</a><br>");
|
| 2205 |
|
|
htmlDoc.append("<br><hr><br>");
|
| 2206 |
|
|
}//else
|
| 2207 |
|
|
}//for
|
| 2208 |
|
|
htmlDoc.append("</body></html>");
|
| 2209 |
|
|
byteString = htmlDoc.toString().getBytes();
|
| 2210 |
|
|
zEntry = new ZipEntry(packageZipEntry + "/metadata.html");
|
| 2211 |
|
|
zEntry.setSize(byteString.length);
|
| 2212 |
|
|
zipOut.putNextEntry(zEntry);
|
| 2213 |
|
|
zipOut.write(byteString, 0, byteString.length);
|
| 2214 |
|
|
zipOut.closeEntry();
|
| 2215 |
|
|
//dbConn.close();
|
| 2216 |
1356
|
tao
|
|
| 2217 |
2075
|
jones
|
}//addHtmlSummaryToZipOutputStream
|
| 2218 |
1356
|
tao
|
|
| 2219 |
2075
|
jones
|
/**
|
| 2220 |
|
|
* put a data packadge into a zip output stream
|
| 2221 |
2087
|
tao
|
*
|
| 2222 |
2641
|
tao
|
* @param docId, which the user want to put into zip output stream,it has version
|
| 2223 |
2075
|
jones
|
* @param out, a servletoutput stream which the zip output stream will be
|
| 2224 |
|
|
* put
|
| 2225 |
|
|
* @param user, the username of the user
|
| 2226 |
|
|
* @param groups, the group of the user
|
| 2227 |
|
|
*/
|
| 2228 |
|
|
public ZipOutputStream getZippedPackage(String docIdString,
|
| 2229 |
|
|
ServletOutputStream out, String user, String[] groups,
|
| 2230 |
|
|
String passWord) throws ClassNotFoundException, IOException,
|
| 2231 |
|
|
SQLException, McdbException, NumberFormatException, Exception
|
| 2232 |
945
|
tao
|
{
|
| 2233 |
2075
|
jones
|
ZipOutputStream zOut = null;
|
| 2234 |
|
|
String elementDocid = null;
|
| 2235 |
|
|
DocumentImpl docImpls = null;
|
| 2236 |
|
|
//Connection dbConn = null;
|
| 2237 |
|
|
Vector docIdList = new Vector();
|
| 2238 |
|
|
Vector documentImplList = new Vector();
|
| 2239 |
|
|
Vector htmlDocumentImplList = new Vector();
|
| 2240 |
|
|
String packageId = null;
|
| 2241 |
|
|
String rootName = "package";//the package zip entry name
|
| 2242 |
2043
|
sgarg
|
|
| 2243 |
2075
|
jones
|
String docId = null;
|
| 2244 |
|
|
int version = -5;
|
| 2245 |
|
|
// Docid without revision
|
| 2246 |
|
|
docId = MetaCatUtil.getDocIdFromString(docIdString);
|
| 2247 |
|
|
// revision number
|
| 2248 |
|
|
version = MetaCatUtil.getVersionFromString(docIdString);
|
| 2249 |
2043
|
sgarg
|
|
| 2250 |
2075
|
jones
|
//check if the reqused docId is a data package id
|
| 2251 |
|
|
if (!isDataPackageId(docId)) {
|
| 2252 |
2043
|
sgarg
|
|
| 2253 |
2075
|
jones
|
/*
|
| 2254 |
|
|
* Exception e = new Exception("The request the doc id "
|
| 2255 |
|
|
* +docIdString+ " is not a data package id");
|
| 2256 |
|
|
*/
|
| 2257 |
940
|
tao
|
|
| 2258 |
2075
|
jones
|
//CB 1/6/03: if the requested docid is not a datapackage, we just
|
| 2259 |
|
|
// zip
|
| 2260 |
|
|
//up the single document and return the zip file.
|
| 2261 |
|
|
if (!hasPermissionToExportPackage(docId, user, groups)) {
|
| 2262 |
2043
|
sgarg
|
|
| 2263 |
2075
|
jones
|
Exception e = new Exception("User " + user
|
| 2264 |
|
|
+ " does not have permission"
|
| 2265 |
|
|
+ " to export the data package " + docIdString);
|
| 2266 |
|
|
throw e;
|
| 2267 |
|
|
}
|
| 2268 |
2043
|
sgarg
|
|
| 2269 |
2641
|
tao
|
docImpls = new DocumentImpl(docIdString);
|
| 2270 |
2075
|
jones
|
//checking if the user has the permission to read the documents
|
| 2271 |
|
|
if (DocumentImpl.hasReadPermission(user, groups, docImpls
|
| 2272 |
|
|
.getDocID())) {
|
| 2273 |
|
|
zOut = new ZipOutputStream(out);
|
| 2274 |
|
|
//if the docImpls is metadata
|
| 2275 |
|
|
if ((docImpls.getDoctype()).compareTo("BIN") != 0) {
|
| 2276 |
|
|
//add metadata into zip output stream
|
| 2277 |
|
|
addDocToZipOutputStream(docImpls, zOut, rootName);
|
| 2278 |
|
|
}//if
|
| 2279 |
|
|
else {
|
| 2280 |
|
|
//it is data file
|
| 2281 |
|
|
addDataFileToZipOutputStream(docImpls, zOut, rootName);
|
| 2282 |
|
|
htmlDocumentImplList.add(docImpls);
|
| 2283 |
|
|
}//else
|
| 2284 |
1292
|
tao
|
}//if
|
| 2285 |
2043
|
sgarg
|
|
| 2286 |
2075
|
jones
|
zOut.finish(); //terminate the zip file
|
| 2287 |
|
|
return zOut;
|
| 2288 |
|
|
}
|
| 2289 |
|
|
// Check the permission of user
|
| 2290 |
|
|
else if (!hasPermissionToExportPackage(docId, user, groups)) {
|
| 2291 |
|
|
|
| 2292 |
|
|
Exception e = new Exception("User " + user
|
| 2293 |
|
|
+ " does not have permission"
|
| 2294 |
|
|
+ " to export the data package " + docIdString);
|
| 2295 |
|
|
throw e;
|
| 2296 |
|
|
} else //it is a packadge id
|
| 2297 |
1292
|
tao
|
{
|
| 2298 |
2075
|
jones
|
//store the package id
|
| 2299 |
|
|
packageId = docId;
|
| 2300 |
|
|
//get current version in database
|
| 2301 |
|
|
int currentVersion = getCurrentRevFromXMLDoumentsTable(packageId);
|
| 2302 |
|
|
//If it is for current version (-1 means user didn't specify
|
| 2303 |
|
|
// revision)
|
| 2304 |
|
|
if ((version == -1) || version == currentVersion) {
|
| 2305 |
|
|
//get current version number
|
| 2306 |
|
|
version = currentVersion;
|
| 2307 |
|
|
//get package zip entry name
|
| 2308 |
|
|
//it should be docId.revsion.package
|
| 2309 |
|
|
rootName = packageId + MetaCatUtil.getOption("accNumSeparator")
|
| 2310 |
|
|
+ version + MetaCatUtil.getOption("accNumSeparator")
|
| 2311 |
|
|
+ "package";
|
| 2312 |
|
|
//get the whole id list for data packadge
|
| 2313 |
|
|
docIdList = getCurrentDocidListForDataPackage(packageId);
|
| 2314 |
|
|
//get the whole documentImple object
|
| 2315 |
|
|
documentImplList = getCurrentAllDocumentImpl(docIdList);
|
| 2316 |
2043
|
sgarg
|
|
| 2317 |
1292
|
tao
|
}//if
|
| 2318 |
2075
|
jones
|
else if (version > currentVersion || version < -1) {
|
| 2319 |
|
|
throw new Exception("The user specified docid: " + docId + "."
|
| 2320 |
|
|
+ version + " doesn't exist");
|
| 2321 |
|
|
}//else if
|
| 2322 |
|
|
else //for an old version
|
| 2323 |
1292
|
tao
|
{
|
| 2324 |
2075
|
jones
|
|
| 2325 |
|
|
rootName = docIdString
|
| 2326 |
|
|
+ MetaCatUtil.getOption("accNumSeparator") + "package";
|
| 2327 |
|
|
//get the whole id list for data packadge
|
| 2328 |
|
|
docIdList = getOldVersionDocidListForDataPackage(docIdString);
|
| 2329 |
|
|
|
| 2330 |
|
|
//get the whole documentImple object
|
| 2331 |
|
|
documentImplList = getOldVersionAllDocumentImpl(docIdList);
|
| 2332 |
1292
|
tao
|
}//else
|
| 2333 |
940
|
tao
|
|
| 2334 |
2075
|
jones
|
// Make sure documentImplist is not empty
|
| 2335 |
|
|
if (documentImplList.isEmpty()) { throw new Exception(
|
| 2336 |
|
|
"Couldn't find component for data package: " + packageId); }//if
|
| 2337 |
2043
|
sgarg
|
|
| 2338 |
2075
|
jones
|
zOut = new ZipOutputStream(out);
|
| 2339 |
|
|
//put every element into zip output stream
|
| 2340 |
|
|
for (int i = 0; i < documentImplList.size(); i++) {
|
| 2341 |
|
|
// if the object in the vetor is String, this means we couldn't
|
| 2342 |
|
|
// find
|
| 2343 |
|
|
// the document locally, we need find it remote
|
| 2344 |
|
|
if ((((documentImplList.elementAt(i)).getClass()).toString())
|
| 2345 |
|
|
.equals("class java.lang.String")) {
|
| 2346 |
|
|
// Get String object from vetor
|
| 2347 |
|
|
String documentId = (String) documentImplList.elementAt(i);
|
| 2348 |
2663
|
sgarg
|
logMetacat.info("docid: " + documentId);
|
| 2349 |
2075
|
jones
|
// Get doicd without revision
|
| 2350 |
|
|
String docidWithoutRevision = MetaCatUtil
|
| 2351 |
|
|
.getDocIdFromString(documentId);
|
| 2352 |
2663
|
sgarg
|
logMetacat.info("docidWithoutRevsion: "
|
| 2353 |
|
|
+ docidWithoutRevision);
|
| 2354 |
2075
|
jones
|
// Get revision
|
| 2355 |
|
|
String revision = MetaCatUtil
|
| 2356 |
|
|
.getRevisionStringFromString(documentId);
|
| 2357 |
2663
|
sgarg
|
logMetacat.info("revsion from docIdentifier: "
|
| 2358 |
|
|
+ revision);
|
| 2359 |
2075
|
jones
|
// Zip entry string
|
| 2360 |
|
|
String zipEntryPath = rootName + "/data/";
|
| 2361 |
|
|
// Create a RemoteDocument object
|
| 2362 |
|
|
RemoteDocument remoteDoc = new RemoteDocument(
|
| 2363 |
|
|
docidWithoutRevision, revision, user, passWord,
|
| 2364 |
|
|
zipEntryPath);
|
| 2365 |
|
|
// Here we only read data file from remote metacat
|
| 2366 |
|
|
String docType = remoteDoc.getDocType();
|
| 2367 |
|
|
if (docType != null) {
|
| 2368 |
|
|
if (docType.equals("BIN")) {
|
| 2369 |
|
|
// Put remote document to zip output
|
| 2370 |
|
|
remoteDoc.readDocumentFromRemoteServerByZip(zOut);
|
| 2371 |
|
|
// Add String object to htmlDocumentImplList
|
| 2372 |
|
|
String elementInHtmlList = remoteDoc
|
| 2373 |
|
|
.getDocIdWithoutRevsion()
|
| 2374 |
|
|
+ MetaCatUtil.getOption("accNumSeparator")
|
| 2375 |
|
|
+ remoteDoc.getRevision();
|
| 2376 |
|
|
htmlDocumentImplList.add(elementInHtmlList);
|
| 2377 |
|
|
}//if
|
| 2378 |
|
|
}//if
|
| 2379 |
1361
|
tao
|
|
| 2380 |
2075
|
jones
|
}//if
|
| 2381 |
|
|
else {
|
| 2382 |
|
|
//create a docmentImpls object (represent xml doc) base on
|
| 2383 |
|
|
// the docId
|
| 2384 |
|
|
docImpls = (DocumentImpl) documentImplList.elementAt(i);
|
| 2385 |
|
|
//checking if the user has the permission to read the
|
| 2386 |
|
|
// documents
|
| 2387 |
|
|
if (DocumentImpl.hasReadPermission(user, groups, docImpls
|
| 2388 |
|
|
.getDocID())) {
|
| 2389 |
|
|
//if the docImpls is metadata
|
| 2390 |
|
|
if ((docImpls.getDoctype()).compareTo("BIN") != 0) {
|
| 2391 |
|
|
//add metadata into zip output stream
|
| 2392 |
|
|
addDocToZipOutputStream(docImpls, zOut, rootName);
|
| 2393 |
|
|
//add the documentImpl into the vetor which will
|
| 2394 |
|
|
// be used in html
|
| 2395 |
|
|
htmlDocumentImplList.add(docImpls);
|
| 2396 |
2043
|
sgarg
|
|
| 2397 |
2075
|
jones
|
}//if
|
| 2398 |
|
|
else {
|
| 2399 |
|
|
//it is data file
|
| 2400 |
|
|
addDataFileToZipOutputStream(docImpls, zOut,
|
| 2401 |
|
|
rootName);
|
| 2402 |
|
|
htmlDocumentImplList.add(docImpls);
|
| 2403 |
|
|
}//else
|
| 2404 |
|
|
}//if
|
| 2405 |
|
|
}//else
|
| 2406 |
|
|
}//for
|
| 2407 |
2043
|
sgarg
|
|
| 2408 |
2075
|
jones
|
//add html summary file
|
| 2409 |
|
|
addHtmlSummaryToZipOutputStream(htmlDocumentImplList, zOut,
|
| 2410 |
|
|
rootName);
|
| 2411 |
|
|
zOut.finish(); //terminate the zip file
|
| 2412 |
|
|
//dbConn.close();
|
| 2413 |
|
|
return zOut;
|
| 2414 |
|
|
}//else
|
| 2415 |
|
|
}//getZippedPackage()
|
| 2416 |
2043
|
sgarg
|
|
| 2417 |
2075
|
jones
|
private class ReturnFieldValue
|
| 2418 |
1361
|
tao
|
{
|
| 2419 |
2043
|
sgarg
|
|
| 2420 |
2075
|
jones
|
private String docid = null; //return field value for this docid
|
| 2421 |
2043
|
sgarg
|
|
| 2422 |
2075
|
jones
|
private String fieldValue = null;
|
| 2423 |
2043
|
sgarg
|
|
| 2424 |
2075
|
jones
|
private String xmlFieldValue = null; //return field value in xml
|
| 2425 |
|
|
// format
|
| 2426 |
|
|
|
| 2427 |
|
|
public void setDocid(String myDocid)
|
| 2428 |
|
|
{
|
| 2429 |
|
|
docid = myDocid;
|
| 2430 |
|
|
}
|
| 2431 |
|
|
|
| 2432 |
|
|
public String getDocid()
|
| 2433 |
|
|
{
|
| 2434 |
|
|
return docid;
|
| 2435 |
|
|
}
|
| 2436 |
|
|
|
| 2437 |
|
|
public void setFieldValue(String myValue)
|
| 2438 |
|
|
{
|
| 2439 |
|
|
fieldValue = myValue;
|
| 2440 |
|
|
}
|
| 2441 |
|
|
|
| 2442 |
|
|
public String getFieldValue()
|
| 2443 |
|
|
{
|
| 2444 |
|
|
return fieldValue;
|
| 2445 |
|
|
}
|
| 2446 |
|
|
|
| 2447 |
|
|
public void setXMLFieldValue(String xml)
|
| 2448 |
|
|
{
|
| 2449 |
|
|
xmlFieldValue = xml;
|
| 2450 |
|
|
}
|
| 2451 |
|
|
|
| 2452 |
|
|
public String getXMLFieldValue()
|
| 2453 |
|
|
{
|
| 2454 |
|
|
return xmlFieldValue;
|
| 2455 |
|
|
}
|
| 2456 |
|
|
|
| 2457 |
1361
|
tao
|
}
|
| 2458 |
3246
|
berkley
|
|
| 2459 |
|
|
/**
|
| 2460 |
|
|
* a class to store one result document consisting of a docid and a document
|
| 2461 |
|
|
*/
|
| 2462 |
|
|
private class ResultDocument
|
| 2463 |
|
|
{
|
| 2464 |
|
|
public String docid;
|
| 2465 |
|
|
public String document;
|
| 2466 |
|
|
|
| 2467 |
|
|
public ResultDocument(String docid, String document)
|
| 2468 |
|
|
{
|
| 2469 |
|
|
this.docid = docid;
|
| 2470 |
|
|
this.document = document;
|
| 2471 |
|
|
}
|
| 2472 |
|
|
}
|
| 2473 |
|
|
|
| 2474 |
|
|
/**
|
| 2475 |
|
|
* a private class to handle a set of resultDocuments
|
| 2476 |
|
|
*/
|
| 2477 |
|
|
private class ResultDocumentSet
|
| 2478 |
|
|
{
|
| 2479 |
|
|
private Vector docids;
|
| 2480 |
|
|
private Vector documents;
|
| 2481 |
|
|
|
| 2482 |
|
|
public ResultDocumentSet()
|
| 2483 |
|
|
{
|
| 2484 |
|
|
docids = new Vector();
|
| 2485 |
|
|
documents = new Vector();
|
| 2486 |
|
|
}
|
| 2487 |
|
|
|
| 2488 |
|
|
/**
|
| 2489 |
|
|
* adds a result document to the set
|
| 2490 |
|
|
*/
|
| 2491 |
|
|
public void addResultDocument(ResultDocument rd)
|
| 2492 |
|
|
{
|
| 2493 |
|
|
if(rd.docid == null)
|
| 2494 |
3263
|
tao
|
return;
|
| 2495 |
3246
|
berkley
|
if(rd.document == null)
|
| 2496 |
|
|
rd.document = "";
|
| 2497 |
3349
|
tao
|
|
| 2498 |
3263
|
tao
|
docids.addElement(rd.docid);
|
| 2499 |
|
|
documents.addElement(rd.document);
|
| 2500 |
3349
|
tao
|
|
| 2501 |
3246
|
berkley
|
}
|
| 2502 |
|
|
|
| 2503 |
|
|
/**
|
| 2504 |
|
|
* gets an iterator of docids
|
| 2505 |
|
|
*/
|
| 2506 |
|
|
public Iterator getDocids()
|
| 2507 |
|
|
{
|
| 2508 |
|
|
return docids.iterator();
|
| 2509 |
|
|
}
|
| 2510 |
|
|
|
| 2511 |
|
|
/**
|
| 2512 |
|
|
* gets an iterator of documents
|
| 2513 |
|
|
*/
|
| 2514 |
|
|
public Iterator getDocuments()
|
| 2515 |
|
|
{
|
| 2516 |
|
|
return documents.iterator();
|
| 2517 |
|
|
}
|
| 2518 |
|
|
|
| 2519 |
|
|
/**
|
| 2520 |
|
|
* returns the size of the set
|
| 2521 |
|
|
*/
|
| 2522 |
|
|
public int size()
|
| 2523 |
|
|
{
|
| 2524 |
|
|
return docids.size();
|
| 2525 |
|
|
}
|
| 2526 |
|
|
|
| 2527 |
|
|
/**
|
| 2528 |
|
|
* tests to see if this set contains the given docid
|
| 2529 |
|
|
*/
|
| 2530 |
3337
|
tao
|
private boolean containsDocid(String docid)
|
| 2531 |
3246
|
berkley
|
{
|
| 2532 |
|
|
for(int i=0; i<docids.size(); i++)
|
| 2533 |
|
|
{
|
| 2534 |
|
|
String docid0 = (String)docids.elementAt(i);
|
| 2535 |
|
|
if(docid0.trim().equals(docid.trim()))
|
| 2536 |
|
|
{
|
| 2537 |
|
|
return true;
|
| 2538 |
|
|
}
|
| 2539 |
|
|
}
|
| 2540 |
|
|
return false;
|
| 2541 |
|
|
}
|
| 2542 |
|
|
|
| 2543 |
|
|
/**
|
| 2544 |
|
|
* removes the element with the given docid
|
| 2545 |
|
|
*/
|
| 2546 |
|
|
public String remove(String docid)
|
| 2547 |
|
|
{
|
| 2548 |
|
|
for(int i=0; i<docids.size(); i++)
|
| 2549 |
|
|
{
|
| 2550 |
|
|
String docid0 = (String)docids.elementAt(i);
|
| 2551 |
|
|
if(docid0.trim().equals(docid.trim()))
|
| 2552 |
|
|
{
|
| 2553 |
|
|
String returnDoc = (String)documents.elementAt(i);
|
| 2554 |
|
|
documents.remove(i);
|
| 2555 |
|
|
docids.remove(i);
|
| 2556 |
|
|
return returnDoc;
|
| 2557 |
|
|
}
|
| 2558 |
|
|
}
|
| 2559 |
|
|
return null;
|
| 2560 |
|
|
}
|
| 2561 |
|
|
|
| 2562 |
|
|
/**
|
| 2563 |
|
|
* add a result document
|
| 2564 |
|
|
*/
|
| 2565 |
|
|
public void put(ResultDocument rd)
|
| 2566 |
|
|
{
|
| 2567 |
|
|
addResultDocument(rd);
|
| 2568 |
|
|
}
|
| 2569 |
|
|
|
| 2570 |
|
|
/**
|
| 2571 |
|
|
* add a result document by components
|
| 2572 |
|
|
*/
|
| 2573 |
|
|
public void put(String docid, String document)
|
| 2574 |
|
|
{
|
| 2575 |
|
|
addResultDocument(new ResultDocument(docid, document));
|
| 2576 |
|
|
}
|
| 2577 |
|
|
|
| 2578 |
|
|
/**
|
| 2579 |
|
|
* get the document part of the result document by docid
|
| 2580 |
|
|
*/
|
| 2581 |
|
|
public Object get(String docid)
|
| 2582 |
|
|
{
|
| 2583 |
|
|
for(int i=0; i<docids.size(); i++)
|
| 2584 |
|
|
{
|
| 2585 |
|
|
String docid0 = (String)docids.elementAt(i);
|
| 2586 |
|
|
if(docid0.trim().equals(docid.trim()))
|
| 2587 |
|
|
{
|
| 2588 |
|
|
return documents.elementAt(i);
|
| 2589 |
|
|
}
|
| 2590 |
|
|
}
|
| 2591 |
|
|
return null;
|
| 2592 |
|
|
}
|
| 2593 |
|
|
|
| 2594 |
|
|
/**
|
| 2595 |
|
|
* get the document part of the result document by an object
|
| 2596 |
|
|
*/
|
| 2597 |
|
|
public Object get(Object o)
|
| 2598 |
|
|
{
|
| 2599 |
|
|
return get((String)o);
|
| 2600 |
|
|
}
|
| 2601 |
|
|
|
| 2602 |
|
|
/**
|
| 2603 |
|
|
* get an entire result document by index number
|
| 2604 |
|
|
*/
|
| 2605 |
|
|
public ResultDocument get(int index)
|
| 2606 |
|
|
{
|
| 2607 |
|
|
return new ResultDocument((String)docids.elementAt(index),
|
| 2608 |
|
|
(String)documents.elementAt(index));
|
| 2609 |
|
|
}
|
| 2610 |
|
|
|
| 2611 |
|
|
/**
|
| 2612 |
|
|
* return a string representation of this object
|
| 2613 |
|
|
*/
|
| 2614 |
|
|
public String toString()
|
| 2615 |
|
|
{
|
| 2616 |
|
|
String s = "";
|
| 2617 |
|
|
for(int i=0; i<docids.size(); i++)
|
| 2618 |
|
|
{
|
| 2619 |
|
|
s += (String)docids.elementAt(i) + "\n";
|
| 2620 |
|
|
}
|
| 2621 |
|
|
return s;
|
| 2622 |
|
|
}
|
| 2623 |
3263
|
tao
|
/*
|
| 2624 |
|
|
* Set a new document value for a given docid
|
| 2625 |
|
|
*/
|
| 2626 |
|
|
public void set(String docid, String document)
|
| 2627 |
|
|
{
|
| 2628 |
|
|
for(int i=0; i<docids.size(); i++)
|
| 2629 |
|
|
{
|
| 2630 |
|
|
String docid0 = (String)docids.elementAt(i);
|
| 2631 |
|
|
if(docid0.trim().equals(docid.trim()))
|
| 2632 |
|
|
{
|
| 2633 |
|
|
documents.set(i, document);
|
| 2634 |
|
|
}
|
| 2635 |
|
|
}
|
| 2636 |
|
|
|
| 2637 |
|
|
}
|
| 2638 |
3246
|
berkley
|
}
|
| 2639 |
155
|
jones
|
}
|