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/**
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* '$RCSfile$'
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* Purpose: class that implements the MARINE interface to the
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* metadata database.
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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: Chad Berkley
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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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295
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package edu.ucsb.nceas.metacat.marine;
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318
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295
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import java.io.*;
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import java.util.*;
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import javax.servlet.*;
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import javax.servlet.http.*;
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import java.net.*;
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import java.sql.*;
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import org.xml.sax.*;
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import org.xml.sax.helpers.*;
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298
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import edu.ucsb.nceas.metacat.*;
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berkley
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import oracle.jdbc.driver.*;
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import oracle.xml.parser.v2.*;
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import oracle.xml.parser.v2.XMLParser;
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298
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public class marineServlet extends edu.ucsb.nceas.metacat.MetaCatServlet
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{
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private marineUtil util;
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private String resultStyleURL;
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318
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berkley
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private String docStyleURL;
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295
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berkley
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private String xmlcatalogfile;
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private String saxparser;
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private String defaultdatapath;
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private String executescript;
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private DBQuery queryobj;
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private DBReader docreader;
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private DBTransform dbt;
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private Connection conn;
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private PropertyResourceBundle options;
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318
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private String msg=null;
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private String queryname;
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318
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private ServletConfig config = null;
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private ServletContext context = null;
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295
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318
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/**
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Initializes the servlet and creates a connection to
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the database
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**/
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public void init(PrintWriter out)
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{
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util = new marineUtil();
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318
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docStyleURL = util.getOption("docStyleURL");
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295
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resultStyleURL = util.getOption("resultStyleURL");
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xmlcatalogfile = util.getOption("xmlcatalogfile");
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saxparser = util.getOption("saxparser");
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defaultdatapath = util.getOption("defaultdatapath");
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executescript = util.getOption("executescript");
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318
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berkley
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295
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try
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{
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conn = util.openDBConnection();
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295
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queryobj = new DBQuery(conn,saxparser);
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docreader = new DBReader(conn);
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dbt = new DBTransform(conn);
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}
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catch(Exception e)
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{
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323
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System.err.println("marineServlet: Error in init:");
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e.printStackTrace(System.err);
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295
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}
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}
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318
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/**
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Handles any GET requests
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**/
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295
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public void doGet (HttpServletRequest request,
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HttpServletResponse response)
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throws ServletException, IOException
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{
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handleGetOrPost(request, response);
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}
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318
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berkley
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/**
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Handles and POST requests
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**/
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295
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public void doPost (HttpServletRequest request,
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HttpServletResponse response)
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throws ServletException, IOException
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{
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handleGetOrPost(request, response);
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}
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318
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berkley
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/**
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This method is called from doGet and doPost. It handles
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each request and sends back the response. It also handles
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the XSL tranformations
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**/
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295
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berkley
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private void handleGetOrPost(HttpServletRequest request,
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HttpServletResponse response)
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throws ServletException, IOException
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{
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response.setContentType("text/html");
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PrintWriter out = response.getWriter();
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try
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{
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304
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berkley
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init(out);
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295
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}
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catch(Exception e)
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{
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323
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berkley
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System.err.println("marineServlet: Exception in init in handleGetOrPost (try1): ");
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318
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e.printStackTrace(System.err);
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295
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}
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String name = null;
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String[] value = null;
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String[] docid = new String[3];
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Hashtable params = new Hashtable();
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Enumeration paramlist = request.getParameterNames();
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while (paramlist.hasMoreElements())
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{
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name = (String)paramlist.nextElement();
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value = request.getParameterValues(name);
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// Decode the docid and mouse click information
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if (name.endsWith(".y"))
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{
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docid[0] = name.substring(0,name.length()-2);
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//out.println("docid => " + docid[0]);
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params.put("docid", docid);
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name = "ypos";
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}
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if (name.endsWith(".x"))
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{
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name = "xpos";
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}
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//out.println(name + " => " + value[0]);
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params.put(name,value);
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}
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// Determine what type of request the user made
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// if the action parameter is set, use it as a default
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// but if the ypos param is set, calculate the action
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// needed
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String action = ((String[])params.get("action"))[0];
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long ypos = 0;
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try
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{
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ypos = (new Long(
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((String[])params.get("ypos"))[0]).longValue());
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//out.println("<P>YPOS IS " + ypos);
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318
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berkley
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if (ypos <= 20)
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295
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berkley
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{
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318
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berkley
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action = "viewabstract";
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295
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berkley
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}
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318
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berkley
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else if (ypos > 20 && ypos <= 45)
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295
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berkley
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{
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318
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action = "viewdocumentation";
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295
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}
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318
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berkley
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else if (ypos > 45)
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295
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berkley
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{
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318
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action = "download";
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295
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}
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}
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catch (Exception npe)
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{
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323
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berkley
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System.err.println("marineServlet: Error in handleGetOrPost (try2): ");
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318
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berkley
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npe.printStackTrace(System.err);
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295
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berkley
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}
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//Jivka's login code should go here!
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304
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berkley
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try{
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323
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berkley
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if(action.equals("query") || action.equals("squery"))
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{
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//send any type of query action to handleQueryAction
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handleQueryAction(out, params, response);
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}
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else if(action.equals("init"))
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{
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handleInitAction(out);
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}
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else if(action.equals("viewabstract"))
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{
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//when the user clicks the view abstract graphic
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handleViewAbstractAction(out, params, response);
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}
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else if(action.equals("viewdocumentation"))
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{
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//when the user clicks the view documentation graphic
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handleViewDocumentationAction(out, params, response);
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}
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else if(action.equals("download"))
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{
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//when the user clicks the download graphic
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handleDownloadAction(out, params, response);
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}
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else
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{
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out.println("Error: action " + action + " not registered" +
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"Please report this error.");
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}
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211 |
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conn.close();
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213 |
318
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berkley
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}
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214 |
304
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berkley
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catch(Exception e)
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{
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216 |
323
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berkley
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System.err.println("marineServlet: Error in handleGetOrPost (try3)");
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318
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berkley
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e.printStackTrace(System.err);
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218 |
304
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berkley
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}
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219 |
318
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berkley
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System.err.println("msg: " + msg);
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out.close();
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295
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berkley
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}
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222 |
318
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berkley
|
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223 |
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/**
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224 |
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Handles when the user clicks the View Abstract graphic.
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225 |
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**/
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226 |
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private void handleViewAbstractAction(PrintWriter out, Hashtable params,
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227 |
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HttpServletResponse response)
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228 |
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{
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229 |
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PreparedStatement pstatement;
|
230 |
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ResultSet rs = null;
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231 |
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String markup = null;
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232 |
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String docid = ((String[])params.get("docid"))[0];
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233 |
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234 |
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//this query is based on the eml-resource datatype
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//it will NOT work with eml-dataset documents because
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236 |
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//eml-dataset removes the abstract data an extra level
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237 |
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//from the <abstract> tag.
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238 |
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String querysql = "select nodedata from xml_nodes" +
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239 |
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" where parentnodeid in" +
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" (select nodeid from xml_nodes where" +
|
241 |
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" nodename like 'abstract') and docid like '" +
|
242 |
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docid + "'";
|
243 |
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try{
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244 |
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//create the query, execute it, get the result
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245 |
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pstatement = conn.prepareStatement(querysql);
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pstatement.execute();
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247 |
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rs = pstatement.getResultSet();
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248 |
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249 |
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boolean moreRows = rs.next();
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250 |
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//print out the html. This does not use any XSL
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251 |
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markup = "<html><body bgcolor=\"white\"><h1>Abstract</h1>";
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252 |
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while(moreRows)
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253 |
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{
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254 |
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markup += "<p>" + rs.getString(1) + "</p>";
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255 |
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moreRows = rs.next();
|
256 |
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}
|
257 |
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markup += "</body></html>";
|
258 |
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}
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259 |
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catch(SQLException sqle)
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260 |
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{
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261 |
323
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berkley
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262 |
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System.err.println("marineServlet: SQLError " +
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263 |
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"in handleViewAbstractAction");
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264 |
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sqle.printStackTrace(System.err);
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265 |
318
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berkley
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}
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266 |
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catch(Exception e)
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267 |
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{
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268 |
323
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berkley
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System.err.println("marineServlet: Error " +
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269 |
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"in handleViewAbstractAction");
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e.printStackTrace(System.err);
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271 |
318
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berkley
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}
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272 |
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out.println(markup); //send the output to the browser
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273 |
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}
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274 |
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275 |
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/**
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276 |
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Handles when the user clicks the View Documentation graphic.
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277 |
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**/
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278 |
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private void handleViewDocumentationAction(PrintWriter out, Hashtable params,
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279 |
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HttpServletResponse response)
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280 |
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{
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281 |
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String doc = null;
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282 |
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String docid = ((String[])params.get("docid"))[0];
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283 |
323
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berkley
|
out.println("view documentation not yet implemented");
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284 |
318
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berkley
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try{
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285 |
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doc = docreader.readXMLDocument(docid);
|
286 |
323
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berkley
|
|
287 |
318
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berkley
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XMLDocumentFragment htmldoc = null;
|
288 |
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XSLStylesheet style = new XSLStylesheet(
|
289 |
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new URL(docStyleURL), null);
|
290 |
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htmldoc = (new XSLProcessor()).processXSL(style,
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291 |
|
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(Reader)(new StringReader
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292 |
|
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(doc)),null);
|
293 |
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htmldoc.print(out);
|
294 |
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}
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295 |
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catch(Exception e)
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296 |
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{
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297 |
323
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berkley
|
System.err.println("marineServlet: error in " +
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298 |
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"handleViewDocumentationAction");
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299 |
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e.printStackTrace(System.err);
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300 |
318
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berkley
|
}
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301 |
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}
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302 |
|
|
|
303 |
323
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berkley
|
private void handleInitAction(PrintWriter out)
|
304 |
|
|
{
|
305 |
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|
try{
|
306 |
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|
StringBuffer temp = new StringBuffer();
|
307 |
|
|
XMLDocumentFragment html = null;
|
308 |
|
|
|
309 |
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temp.append("<?xml version=\"1.0\"?>\n");
|
310 |
|
|
temp.append("<resultset></resultset>\n");
|
311 |
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|
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312 |
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//create a null query and run it through the
|
313 |
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//xsl processor to create the opening page
|
314 |
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|
|
315 |
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XSLStylesheet style = new XSLStylesheet(
|
316 |
|
|
new URL(resultStyleURL), null);
|
317 |
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html = (new XSLProcessor()).processXSL(style,
|
318 |
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(Reader)(new StringReader(temp.toString())), null);
|
319 |
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html.print(out);
|
320 |
|
|
}
|
321 |
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|
catch(Exception e)
|
322 |
|
|
{
|
323 |
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|
System.err.println("marineServlet: error in handleQueryAction (try1)");
|
324 |
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|
e.printStackTrace(System.err);
|
325 |
|
|
}
|
326 |
|
|
}
|
327 |
318
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berkley
|
|
328 |
|
|
/**
|
329 |
|
|
Handles when the user clicks the Download graphic.
|
330 |
|
|
**/
|
331 |
|
|
private void handleDownloadAction(PrintWriter out, Hashtable params,
|
332 |
|
|
HttpServletResponse response)
|
333 |
|
|
{
|
334 |
|
|
out.println("download not yet implemented");
|
335 |
|
|
}
|
336 |
|
|
|
337 |
|
|
/**
|
338 |
|
|
This method handles any and all query requests including the
|
339 |
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|
init request. It separates the queries into 3 classes.
|
340 |
|
|
1) query-This executes a free text search.
|
341 |
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|
2) squery-This executes a structured query.
|
342 |
|
|
3) init-This executes a null query.
|
343 |
|
|
After executing the query, the xml results are sent through
|
344 |
|
|
the XSL processor and returned to the browser as HTML (if
|
345 |
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|
qformat="html"). If qformat="xml" the xml document is returned
|
346 |
|
|
without transformation.
|
347 |
|
|
**/
|
348 |
295
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berkley
|
private void handleQueryAction(PrintWriter out, Hashtable params,
|
349 |
|
|
HttpServletResponse response)
|
350 |
|
|
{
|
351 |
|
|
String query = ((String[])params.get("query"))[0];
|
352 |
|
|
String action = ((String[])params.get("action"))[0];
|
353 |
|
|
Hashtable doclist = null;
|
354 |
|
|
String[] doctypeArr = null;
|
355 |
|
|
String doctype = null;
|
356 |
|
|
Reader xmlquery = null;
|
357 |
318
|
berkley
|
Hashtable extendedQuery = new Hashtable();
|
358 |
295
|
berkley
|
|
359 |
298
|
berkley
|
if(action.equals("query"))
|
360 |
295
|
berkley
|
{
|
361 |
|
|
|
362 |
|
|
doctypeArr = (String[])params.get("doctype");
|
363 |
|
|
doctype = null;
|
364 |
|
|
if (doctypeArr != null)
|
365 |
|
|
{
|
366 |
|
|
doctype = ((String[])params.get("doctype"))[0];
|
367 |
|
|
}
|
368 |
|
|
|
369 |
|
|
if (doctype != null)
|
370 |
|
|
{
|
371 |
|
|
xmlquery = new StringReader(DBQuery.createQuery(query,doctype));
|
372 |
|
|
}
|
373 |
|
|
else
|
374 |
|
|
{
|
375 |
|
|
xmlquery = new StringReader(DBQuery.createQuery(query));
|
376 |
|
|
}
|
377 |
|
|
}
|
378 |
298
|
berkley
|
else if(action.equals("squery"))
|
379 |
295
|
berkley
|
{
|
380 |
|
|
doctypeArr = (String[])params.get("doctype");
|
381 |
|
|
doctype = null;
|
382 |
|
|
if (doctypeArr != null)
|
383 |
|
|
{
|
384 |
|
|
doctype = ((String[])params.get("doctype"))[0];
|
385 |
|
|
}
|
386 |
|
|
// for some reason the doctype="ANY" wildcard is not working
|
387 |
|
|
//correctly. For this reason, I have ommited the doctype
|
388 |
|
|
//here for the time being (7/20).
|
389 |
|
|
xmlquery = new StringReader(createSQuery(params));
|
390 |
|
|
}
|
391 |
298
|
berkley
|
else if(action.equals("init"))
|
392 |
|
|
{
|
393 |
318
|
berkley
|
try{
|
394 |
|
|
StringBuffer temp = new StringBuffer();
|
395 |
|
|
XMLDocumentFragment html = null;
|
396 |
|
|
|
397 |
|
|
temp.append("<?xml version=\"1.0\"?>\n");
|
398 |
|
|
temp.append("<resultset></resultset>\n");
|
399 |
|
|
|
400 |
|
|
//create a null query and run it through the
|
401 |
|
|
//xsl processor to create the opening page
|
402 |
|
|
|
403 |
|
|
XSLStylesheet style = new XSLStylesheet(
|
404 |
|
|
new URL(resultStyleURL), null);
|
405 |
|
|
html = (new XSLProcessor()).processXSL(style,
|
406 |
|
|
(Reader)(new StringReader(temp.toString())), null);
|
407 |
|
|
html.print(out);
|
408 |
|
|
}
|
409 |
|
|
catch(Exception e)
|
410 |
|
|
{
|
411 |
323
|
berkley
|
System.err.println("marineServlet: error in handleQueryAction (try1)");
|
412 |
|
|
e.printStackTrace(System.err);
|
413 |
318
|
berkley
|
}
|
414 |
298
|
berkley
|
}
|
415 |
295
|
berkley
|
else
|
416 |
|
|
{
|
417 |
318
|
berkley
|
msg += "marineServlet: Error handling query -- illegal action value";
|
418 |
295
|
berkley
|
}
|
419 |
|
|
|
420 |
|
|
if (queryobj != null)
|
421 |
|
|
{
|
422 |
|
|
doclist = queryobj.findDocuments(xmlquery);
|
423 |
304
|
berkley
|
//msg += "\n\n" + doclist.toString();
|
424 |
295
|
berkley
|
}
|
425 |
|
|
else
|
426 |
|
|
{
|
427 |
304
|
berkley
|
out.println("marineServlet: Query Object Init failed.");
|
428 |
295
|
berkley
|
return;
|
429 |
|
|
}
|
430 |
|
|
|
431 |
318
|
berkley
|
//get the date_created, date_updated, organization
|
432 |
|
|
//and owner information for the query request
|
433 |
|
|
extendedQuery = createExtendedQuery(doclist);
|
434 |
307
|
berkley
|
|
435 |
295
|
berkley
|
// Create a buffer to hold the xml result
|
436 |
|
|
StringBuffer resultset = new StringBuffer();
|
437 |
|
|
|
438 |
|
|
// Print the resulting root nodes
|
439 |
|
|
String docid;
|
440 |
|
|
String document = null;
|
441 |
|
|
resultset.append("<?xml version=\"1.0\"?>\n");
|
442 |
|
|
resultset.append("<resultset>\n");
|
443 |
318
|
berkley
|
//queryname contains the xmlquery. This sends the query
|
444 |
|
|
//itself back to the page to refresh the text boxes
|
445 |
|
|
//Without the queryname, the text boxes do not retain their
|
446 |
|
|
//values between queries.
|
447 |
295
|
berkley
|
resultset.append(" <query>" + queryname + "</query>");
|
448 |
|
|
Enumeration doclistkeys = doclist.keys();
|
449 |
318
|
berkley
|
//add the returned documents to the xml result
|
450 |
295
|
berkley
|
while(doclistkeys.hasMoreElements())
|
451 |
|
|
{
|
452 |
|
|
docid = (String)doclistkeys.nextElement();
|
453 |
|
|
document = (String)doclist.get(docid);
|
454 |
318
|
berkley
|
if(extendedQuery.containsKey(docid))
|
455 |
|
|
{
|
456 |
|
|
resultset.append(" <document>" + document +
|
457 |
|
|
extendedQuery.get(docid).toString() +
|
458 |
|
|
"</document>");
|
459 |
|
|
}
|
460 |
|
|
else
|
461 |
|
|
{
|
462 |
|
|
resultset.append(" <document>" + document +
|
463 |
295
|
berkley
|
"</document>");
|
464 |
318
|
berkley
|
}
|
465 |
295
|
berkley
|
}
|
466 |
|
|
resultset.append("</resultset>");
|
467 |
|
|
|
468 |
|
|
String qformat = ((String[])params.get("qformat"))[0];
|
469 |
|
|
if (qformat.equals("xml"))
|
470 |
|
|
{
|
471 |
|
|
// set content type and other response
|
472 |
|
|
// header fields first
|
473 |
|
|
response.setContentType("text/xml");
|
474 |
|
|
out.println(resultset.toString());
|
475 |
|
|
}
|
476 |
|
|
else if(qformat.equals("html"))
|
477 |
|
|
{
|
478 |
|
|
// set content type and other response header
|
479 |
|
|
// fields first
|
480 |
|
|
response.setContentType("text/html");
|
481 |
318
|
berkley
|
|
482 |
|
|
//transform the xml to html with XSL
|
483 |
295
|
berkley
|
XMLDocumentFragment htmldoc = null;
|
484 |
|
|
|
485 |
304
|
berkley
|
try
|
486 |
295
|
berkley
|
{
|
487 |
|
|
XSLStylesheet style = new XSLStylesheet(
|
488 |
|
|
new URL(resultStyleURL), null);
|
489 |
|
|
htmldoc = (new XSLProcessor()).processXSL(style,
|
490 |
|
|
(Reader)(new StringReader
|
491 |
|
|
(resultset.toString())),null);
|
492 |
|
|
htmldoc.print(out);
|
493 |
|
|
}
|
494 |
|
|
catch (Exception e)
|
495 |
|
|
{
|
496 |
323
|
berkley
|
System.err.println("marineServlet: error in handleQueryAction (try2)");
|
497 |
|
|
e.printStackTrace(System.err);
|
498 |
295
|
berkley
|
}
|
499 |
|
|
}
|
500 |
|
|
}
|
501 |
|
|
|
502 |
307
|
berkley
|
/**
|
503 |
|
|
creates the sql query for the extended information
|
504 |
|
|
displayed upon successful query
|
505 |
|
|
**/
|
506 |
318
|
berkley
|
private Hashtable createExtendedQuery(Hashtable docs)
|
507 |
307
|
berkley
|
{
|
508 |
|
|
Hashtable result = new Hashtable();
|
509 |
318
|
berkley
|
ResultSet givenNameResults = null;
|
510 |
|
|
ResultSet surNameResults = null;
|
511 |
|
|
ResultSet organizationNameResults = null;
|
512 |
|
|
ResultSet dateResults = null;
|
513 |
|
|
String docid = null;
|
514 |
|
|
String data = null;
|
515 |
|
|
Object docidObj = null;
|
516 |
307
|
berkley
|
PreparedStatement pstatement;
|
517 |
|
|
|
518 |
|
|
Enumeration docids = docs.keys();
|
519 |
|
|
|
520 |
|
|
//find all of the owners first names
|
521 |
|
|
String givenNameQuery = "select docid, nodedata from xml_nodes" +
|
522 |
|
|
" where parentnodeid in" +
|
523 |
|
|
" (select nodeid from xml_index where path like 'givenName')" +
|
524 |
|
|
" and parentnodeid in" +
|
525 |
|
|
" (select nodeid from xml_nodes where nodename like 'givenName'" +
|
526 |
|
|
" and parentnodeid in" +
|
527 |
|
|
" (select nodeid from xml_nodes where nodename like 'individualName'" +
|
528 |
|
|
" and parentnodeid in" +
|
529 |
|
|
" (select parentnodeid from xml_nodes where nodename like 'roleCode'" +
|
530 |
|
|
" and nodeid in" +
|
531 |
|
|
" (select parentnodeid from xml_nodes where" +
|
532 |
|
|
" nodedata = 'Owner'" +
|
533 |
|
|
" and parentnodeid in" +
|
534 |
|
|
" (select nodeid from xml_index where path like 'roleCode')))))";
|
535 |
|
|
|
536 |
|
|
//find all of the owners last names
|
537 |
|
|
String surNameQuery = "select docid, nodedata from xml_nodes" +
|
538 |
|
|
" where parentnodeid in" +
|
539 |
|
|
" (select nodeid from xml_index where path like 'surName')" +
|
540 |
|
|
" and parentnodeid in" +
|
541 |
|
|
" (select nodeid from xml_nodes where nodename like 'surName'" +
|
542 |
|
|
" and parentnodeid in" +
|
543 |
|
|
" (select nodeid from xml_nodes where nodename like 'individualName'" +
|
544 |
|
|
" and parentnodeid in" +
|
545 |
|
|
" (select parentnodeid from xml_nodes where nodename like 'roleCode'" +
|
546 |
|
|
" and nodeid in" +
|
547 |
|
|
" (select parentnodeid from xml_nodes where" +
|
548 |
|
|
" nodedata = 'Owner'" +
|
549 |
|
|
" and parentnodeid in" +
|
550 |
|
|
" (select nodeid from xml_index where path like 'roleCode')))))";
|
551 |
|
|
|
552 |
|
|
//find all of the organizations
|
553 |
|
|
String organizationNameQuery = "select docid, nodedata from xml_nodes" +
|
554 |
|
|
" where parentnodeid in" +
|
555 |
|
|
" (select nodeid from xml_index where path like 'organizationName')";
|
556 |
|
|
|
557 |
|
|
//find all of the creation and update dates
|
558 |
|
|
String dateQuery = "select docid, date_created, date_updated" +
|
559 |
|
|
" from xml_documents";
|
560 |
318
|
berkley
|
|
561 |
|
|
//execute the queries
|
562 |
307
|
berkley
|
try{
|
563 |
|
|
pstatement = conn.prepareStatement(givenNameQuery);
|
564 |
|
|
pstatement.execute();
|
565 |
|
|
givenNameResults = pstatement.getResultSet();
|
566 |
|
|
|
567 |
|
|
pstatement = conn.prepareStatement(surNameQuery);
|
568 |
|
|
pstatement.execute();
|
569 |
|
|
surNameResults = pstatement.getResultSet();
|
570 |
|
|
|
571 |
|
|
pstatement = conn.prepareStatement(organizationNameQuery);
|
572 |
|
|
pstatement.execute();
|
573 |
|
|
organizationNameResults = pstatement.getResultSet();
|
574 |
|
|
|
575 |
|
|
pstatement = conn.prepareStatement(dateQuery);
|
576 |
|
|
pstatement.execute();
|
577 |
|
|
dateResults = pstatement.getResultSet();
|
578 |
|
|
}
|
579 |
323
|
berkley
|
catch(Exception e)
|
580 |
307
|
berkley
|
{
|
581 |
323
|
berkley
|
System.err.println("marineServlet: error in createExtendedQuery(try1)");
|
582 |
|
|
e.printStackTrace(System.err);
|
583 |
307
|
berkley
|
}
|
584 |
|
|
|
585 |
318
|
berkley
|
try{
|
586 |
|
|
boolean moreRows = givenNameResults.next();
|
587 |
|
|
//add the givenName information to the xml.
|
588 |
|
|
while(moreRows)
|
589 |
|
|
{
|
590 |
|
|
docid = givenNameResults.getString(1);
|
591 |
|
|
data = givenNameResults.getString(2);
|
592 |
|
|
//check if the original result set contains this docid
|
593 |
|
|
if(docs.containsKey(docid))
|
594 |
|
|
{
|
595 |
|
|
String markup = "<givenName>" + data + "</givenName>";
|
596 |
|
|
result.put(docid, markup);
|
597 |
|
|
}
|
598 |
|
|
moreRows = givenNameResults.next();
|
599 |
|
|
}
|
600 |
|
|
|
601 |
|
|
moreRows = surNameResults.next();
|
602 |
|
|
//add the surName information to the xml.
|
603 |
|
|
while(moreRows)
|
604 |
|
|
{
|
605 |
|
|
docid = surNameResults.getString(1);
|
606 |
|
|
data = surNameResults.getString(2);
|
607 |
|
|
//check if the original result set contains this docid
|
608 |
|
|
if(docs.containsKey(docid))
|
609 |
|
|
{
|
610 |
|
|
//check if this key is already in the result hashtable
|
611 |
|
|
//i.e. there was a givenName for that docid.
|
612 |
|
|
if(result.containsKey(docid))
|
613 |
|
|
{
|
614 |
|
|
String markup = result.get(docid).toString();
|
615 |
|
|
markup += "<surName>" + data + "</surName>";
|
616 |
|
|
result.remove(docid);
|
617 |
|
|
result.put(docid, markup);
|
618 |
|
|
}
|
619 |
|
|
else
|
620 |
|
|
{
|
621 |
|
|
String markup = "<surName>" + data + "</surName>";
|
622 |
|
|
result.put(docid, markup);
|
623 |
|
|
}
|
624 |
|
|
}
|
625 |
|
|
moreRows = surNameResults.next();
|
626 |
|
|
}
|
627 |
|
|
|
628 |
|
|
//add the organizationName information to the xml.
|
629 |
|
|
moreRows = organizationNameResults.next();
|
630 |
|
|
while(moreRows)
|
631 |
|
|
{
|
632 |
|
|
docid = organizationNameResults.getString(1);
|
633 |
|
|
data = organizationNameResults.getString(2);
|
634 |
|
|
//check if the original result set contains this docid
|
635 |
|
|
if(docs.containsKey(docid))
|
636 |
|
|
{
|
637 |
|
|
//check if this key is already in the result hashtable
|
638 |
|
|
//i.e. there was a givenName for that docid.
|
639 |
|
|
if(result.containsKey(docid))
|
640 |
|
|
{
|
641 |
|
|
String markup = result.get(docid).toString();
|
642 |
|
|
markup += "<organizationName>" + data + "</organizationName>";
|
643 |
|
|
result.remove(docid);
|
644 |
|
|
result.put(docid, markup);
|
645 |
|
|
}
|
646 |
|
|
else
|
647 |
|
|
{
|
648 |
|
|
String markup = "<organizationName>" + data + "</organizationName>";
|
649 |
|
|
result.put(docid, markup);
|
650 |
|
|
}
|
651 |
|
|
}
|
652 |
|
|
moreRows = organizationNameResults.next();
|
653 |
|
|
}
|
654 |
|
|
|
655 |
|
|
moreRows = dateResults.next();
|
656 |
|
|
//add the date information to the xml.
|
657 |
|
|
while(moreRows)
|
658 |
|
|
{
|
659 |
|
|
docid = dateResults.getString(1);
|
660 |
|
|
data = dateResults.getString(2); //date_created
|
661 |
|
|
String data2 = dateResults.getString(3); //date_updated
|
662 |
|
|
//check if the original result set contains this docid
|
663 |
|
|
if(docs.containsKey(docid))
|
664 |
|
|
{
|
665 |
|
|
//check if this key is already in the result hashtable
|
666 |
|
|
//i.e. there was a givenName for that docid.
|
667 |
|
|
if(result.containsKey(docid))
|
668 |
|
|
{
|
669 |
|
|
String markup = result.get(docid).toString();
|
670 |
|
|
markup += "<date_created>" + data + "</date_created>";
|
671 |
|
|
markup += "<date_updated>" + data2 + "</date_updated>";
|
672 |
|
|
result.remove(docid);
|
673 |
|
|
result.put(docid, markup);
|
674 |
|
|
}
|
675 |
|
|
else
|
676 |
|
|
{
|
677 |
|
|
String markup = "<date_created>" + data + "</date_created>";
|
678 |
|
|
markup += "<date_updated>" + data2 + "</date_updated>";
|
679 |
|
|
result.put(docid, markup);
|
680 |
|
|
}
|
681 |
|
|
}
|
682 |
|
|
moreRows = dateResults.next();
|
683 |
|
|
}
|
684 |
|
|
}
|
685 |
323
|
berkley
|
catch(Exception e)
|
686 |
318
|
berkley
|
{
|
687 |
323
|
berkley
|
System.err.println("marineServlet: error in createExtendedQuery(try2)");
|
688 |
|
|
e.printStackTrace(System.err);
|
689 |
318
|
berkley
|
}
|
690 |
|
|
|
691 |
|
|
return result;
|
692 |
307
|
berkley
|
}
|
693 |
|
|
|
694 |
|
|
/**
|
695 |
|
|
creates the xml query for the browse list
|
696 |
|
|
**/
|
697 |
304
|
berkley
|
private String createBrowseList()
|
698 |
|
|
{
|
699 |
|
|
String query;
|
700 |
|
|
query = "<?xml version=\"1.0\"?>";
|
701 |
|
|
query += "<!DOCTYPE pathquery PUBLIC \"-//NCEAS//pathquery-1.0//EN\" " +
|
702 |
307
|
berkley
|
"\"http://alpha.nceas.ucsb.edu/xmltodb/lib/pathquery.dtd\" >";
|
703 |
304
|
berkley
|
query += "<pathquery version=\"1.0\">";
|
704 |
|
|
query += "<meta_file_id>unspecified</meta_file_id>";
|
705 |
|
|
query += "<querytitle>unspecified</querytitle>";
|
706 |
|
|
query += "<querygroup operator=\"union\">";
|
707 |
|
|
query += "<queryterm casesensitive=\"false\" " +
|
708 |
|
|
"searchmode=\"contains\">";
|
709 |
|
|
query += "<value>";
|
710 |
318
|
berkley
|
query += "%"; //return everything
|
711 |
304
|
berkley
|
query += "</value>";
|
712 |
|
|
query += "</queryterm>";
|
713 |
|
|
query += "</querygroup></pathquery>";
|
714 |
|
|
|
715 |
|
|
return query;
|
716 |
|
|
}
|
717 |
|
|
|
718 |
295
|
berkley
|
/** takes in the parameter list from the input source and
|
719 |
|
|
a doctype and returns a structured xml query based
|
720 |
|
|
on the parameters.
|
721 |
|
|
**/
|
722 |
|
|
private String createSQuery(Hashtable params, String doctype)
|
723 |
|
|
{
|
724 |
|
|
String query;
|
725 |
|
|
Enumeration elements;
|
726 |
|
|
Enumeration keys;
|
727 |
|
|
Object nextkey;
|
728 |
|
|
Object nextelement;
|
729 |
318
|
berkley
|
queryname = " ";
|
730 |
295
|
berkley
|
query = "<?xml version=\"1.0\"?>";
|
731 |
|
|
query += "<!DOCTYPE pathquery PUBLIC \"-//NCEAS//pathquery-1.0//EN\" " +
|
732 |
307
|
berkley
|
"\"http://alpha.nceas.ucsb.edu/xmltodb/lib/pathquery.dtd\" >";
|
733 |
295
|
berkley
|
query += "<pathquery version=\"1.0\"><meta_file_id>";
|
734 |
|
|
if(params.containsKey("meta_file_id"))
|
735 |
|
|
{
|
736 |
|
|
query += ((String[])params.get("meta_file_id"))[0];
|
737 |
|
|
query += "</meta_file_id>";
|
738 |
|
|
}
|
739 |
|
|
else
|
740 |
|
|
{
|
741 |
|
|
query += "unspecified</meta_file_id>";
|
742 |
|
|
}
|
743 |
|
|
query += "<querytitle>";
|
744 |
|
|
if(params.containsKey("querytitle"))
|
745 |
|
|
{
|
746 |
|
|
query += ((String[])params.get("querytitle"))[0];
|
747 |
|
|
query += "</querytitle>";
|
748 |
|
|
}
|
749 |
|
|
else
|
750 |
|
|
{
|
751 |
|
|
query += "unspecified</querytitle>";
|
752 |
|
|
}
|
753 |
|
|
if(!doctype.equals(""))
|
754 |
|
|
{
|
755 |
|
|
query += "<returndoctype>" + doctype + "</returndoctype>";
|
756 |
|
|
}
|
757 |
304
|
berkley
|
query += "<querygroup operator=\"" +
|
758 |
|
|
((String[])params.get("operator"))[0] + "\">";
|
759 |
318
|
berkley
|
|
760 |
|
|
|
761 |
|
|
//anyfield is a special case because it does a
|
762 |
|
|
//free text search. It does not have a <pathexpr>
|
763 |
|
|
//tag.
|
764 |
304
|
berkley
|
if(params.containsKey("anyfield") &&
|
765 |
|
|
!((String[])params.get("anyfield"))[0].equals(""))
|
766 |
|
|
{
|
767 |
|
|
query += "<queryterm casesensitive=\"false\" " +
|
768 |
|
|
"searchmode=\"contains\"><value>" +
|
769 |
|
|
((String[])params.get("anyfield"))[0] +
|
770 |
|
|
"</value></queryterm>";
|
771 |
318
|
berkley
|
queryname += "<anyfield>";
|
772 |
|
|
queryname += ((String[])params.get("anyfield"))[0];
|
773 |
|
|
queryname += "</anyfield>";
|
774 |
304
|
berkley
|
}
|
775 |
295
|
berkley
|
|
776 |
318
|
berkley
|
//this while loop finds the rest of the parameters
|
777 |
|
|
//and attempts to query for the field specified
|
778 |
|
|
//by the parameter.
|
779 |
295
|
berkley
|
elements = params.elements();
|
780 |
|
|
keys = params.keys();
|
781 |
|
|
while(keys.hasMoreElements() && elements.hasMoreElements())
|
782 |
|
|
{
|
783 |
|
|
nextkey = keys.nextElement();
|
784 |
|
|
nextelement = elements.nextElement();
|
785 |
318
|
berkley
|
|
786 |
|
|
//make sure we aren't querying for any of these
|
787 |
|
|
//parameters.
|
788 |
295
|
berkley
|
if(!nextkey.toString().equals("doctype") &&
|
789 |
|
|
!nextkey.toString().equals("action") &&
|
790 |
|
|
!nextkey.toString().equals("qformat") &&
|
791 |
304
|
berkley
|
!nextkey.toString().equals("anyfield") &&
|
792 |
|
|
!nextkey.toString().equals("operator") &&
|
793 |
295
|
berkley
|
!(((String[])nextelement)[0].equals("")) )
|
794 |
|
|
{
|
795 |
|
|
query += "<queryterm casesensitive=\"false\" " +
|
796 |
|
|
"searchmode=\"contains\">";
|
797 |
|
|
query += "<value>";
|
798 |
318
|
berkley
|
//add the query value
|
799 |
295
|
berkley
|
query += ((String[])nextelement)[0];
|
800 |
318
|
berkley
|
query += "</value><pathexpr>" +
|
801 |
|
|
//add the path to query by
|
802 |
295
|
berkley
|
nextkey.toString() +
|
803 |
|
|
"</pathexpr></queryterm>";
|
804 |
|
|
|
805 |
318
|
berkley
|
//add the query back into the xml to fill in
|
806 |
|
|
//the text boxes.
|
807 |
|
|
queryname += "<" + nextkey.toString() + ">";
|
808 |
|
|
queryname += ((String[])nextelement)[0];
|
809 |
|
|
queryname += "</" + nextkey.toString() + ">";
|
810 |
295
|
berkley
|
}
|
811 |
|
|
}
|
812 |
|
|
query += "</querygroup></pathquery>";
|
813 |
|
|
return query;
|
814 |
|
|
}
|
815 |
|
|
|
816 |
|
|
/**same as createSQuery(Hashtable, String) except
|
817 |
304
|
berkley
|
no doctype is required.
|
818 |
295
|
berkley
|
**/
|
819 |
|
|
private String createSQuery(Hashtable params)
|
820 |
|
|
{
|
821 |
|
|
return createSQuery(params, "");
|
822 |
|
|
}
|
823 |
|
|
|
824 |
|
|
}
|