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/**
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* '$RCSfile$'
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* Purpose: A Class that handles the SAX XML events as they
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* are generated from XML documents
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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, Jivka Bojilova
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* Release: @release@
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*
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* '$Author: tao $'
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* '$Date: 2003-04-26 17:25:52 -0700 (Sat, 26 Apr 2003) $'
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* '$Revision: 1622 $'
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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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*/
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package edu.ucsb.nceas.metacat;
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import java.sql.*;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileReader;
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import java.io.FileWriter;
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import java.io.StringReader;
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import java.util.Stack;
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import java.util.Vector;
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import java.util.Hashtable;
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import java.util.Enumeration;
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import java.util.EmptyStackException;
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import org.xml.sax.Attributes;
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import org.xml.sax.SAXException;
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import org.xml.sax.SAXParseException;
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import org.xml.sax.ext.DeclHandler;
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import org.xml.sax.ext.LexicalHandler;
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import org.xml.sax.helpers.DefaultHandler;
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/**
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* A database aware Class implementing callback bethods for the SAX parser to
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* call when processing the XML stream and generating events
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*/
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public class EmlSAXHandler extends DBSAXHandler implements
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AccessControlInterface
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{
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private Vector allowRules = new Vector();
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private Vector denyRules = new Vector();
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private String documentId = null;
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private Vector subDocumentIdList = new Vector();
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private boolean processTopLeverAccess = false;
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private boolean processAdditionalAccess = false;
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private boolean processOtherAccess = false;
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private AccessSection accessObject= null;
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private AccessRule accessRule = null;
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private Vector accessObjectList = new Vector(); // store every access rule
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private Hashtable topLevelAccessControlMap = new Hashtable();
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private Hashtable additionalAccessControlMap = new Hashtable();// store
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//subtree access for single
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// additionalmetacat
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private Vector additionalAccessMapList = new Vector();// store maps for
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// every addionalmetadata
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private Vector describesId = new Vector(); // store the ids in
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//additionalmetadata/describes
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private Stack subTreeInfoStack = new Stack();
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private Vector subTreeList = new Vector();// store the final subtree
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private int inLineDataIndex = 1;
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private Hashtable unChangableSubTreeHash = new Hashtable();
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private Stack currentUnChangedableSubtreeNodeStack =new Stack();
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private boolean startCriticalSubTree = false;
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private boolean firstElementForCriticalSubTree = false;
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private String firstElementNameForCriticalSubTree;
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private boolean needCheckingAccessModule = false;
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private Vector unChangableAccessSubTreeVector = new Vector();
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private Stack currentUnchangableAccessModuleNodeStack = new Stack();
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private AccessSection topAccessSection;
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// we need an another stack to store the access node which we pull out just
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// from xml. If a reference happend, we can use the stack the compare nodes
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private Stack storedAccessNodeStack = new Stack();
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// vector stored the data file id which will be write into relation table
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private Vector onlineDataFileIdVector = new Vector();
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// Constant
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private static final String EML ="eml";
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private static final String DESCRIBES = "describes";
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private static final String ADDITIONALMETADATA = "additionalMetadata";
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private static final String ORDER = "order";
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private static final String ID ="id";
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private static final String REFERENCES = "references";
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public static final String INLINE = "inline";
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private static final String ONLINE = "online";
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private static final String URL = "url";
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private static final String PERMISSIONERROR ="User try to update a subtree"+
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" which it doesn't have write permission!";
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private static final String UPDATEACCESSERROR = "User try to update a " +
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"access module which it doesn't have \"ALL\" permission!";
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private static final String TOPLEVEL = "top";
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private static final String SUBTREELEVEL ="subtree";
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private static final String RELATION = "Provides info for";
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/** Construct an instance of the handler class
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* In this constructor, user can specify the version need to upadate
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*
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* @param conn the JDBC connection to which information is written
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* @param action - "INSERT" or "UPDATE"
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* @param docid to be inserted or updated into JDBC connection
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* @param revision, the user specified the revision need to be update
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* @param user the user connected to MetaCat servlet and owns the document
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* @param groups the groups to which user belongs
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* @param pub flag for public "read" access on document
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* @param serverCode the serverid from xml_replication on which this document
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* resides.
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*
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*/
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public EmlSAXHandler(DBConnection conn, String action, String docid,
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String revision, String user, String[] groups, String pub, int serverCode)
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throws SAXException
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{
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super(conn, action, docid, revision, user, groups, pub, serverCode);
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// Get the unchangable subtrees (user doesn't have write permission)
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try
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{
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PermissionController control = new PermissionController(docid);
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//unChangableSubTreeHash = getUnchangableSubTree(control, user, groups);
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//If the action is update and user doesn't have "ALL" permission
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// we need to check if user update access subtree
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if (action.equals("UPDATE") &&
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!control.hasPermission(user, groups, AccessControlInterface.ALLSTRING))
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{
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needCheckingAccessModule = true;
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unChangableAccessSubTreeVector = getAccessSubTreeListFromDB();
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}
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}
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catch (Exception e)
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{
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throw new SAXException(e.getMessage());
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}
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}
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/* Pass a permission control and get the list of unchangable subtree*/
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private Hashtable getUnchangableSubTree(PermissionController controller,
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String user, String[]groups)
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throws Exception
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{
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Hashtable list = null;
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Hashtable result = new Hashtable();
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// get unwritable sutree from controller
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list = controller.hasUnaccessableSubTree(user, groups,
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AccessControlInterface.WRITESTRING);
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if (list != null)
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{
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Enumeration en = list.elements();
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while (en.hasMoreElements())
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{
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// Get a subtree without node record list
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SubTree treeWithoutStack = (SubTree)en.nextElement();
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String subTreeId = treeWithoutStack.getSubTreeId();
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MetaCatUtil.debugMessage("unchangable subtree id: " + subTreeId, 40);
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long startNodeId = treeWithoutStack.getStartNodeId();
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MetaCatUtil.debugMessage("unchangable subtree startnodeid: " +
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startNodeId, 40);
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long endNodeId = treeWithoutStack.getEndNodeId();
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MetaCatUtil.debugMessage("unchangable subtree endnodeid: " +
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endNodeId, 40);
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// Get a subtree has the nodelist
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SubTree tree = new SubTree(docid, subTreeId, startNodeId, endNodeId);
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// add this tree to the result
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result.put(subTreeId, tree);
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}//while
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}//if
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return result;
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}
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/*
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* Get the subtree node info from xml_accesssubtree table
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*/
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private Vector getAccessSubTreeListFromDB() throws Exception
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{
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Vector result = new Vector();
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PreparedStatement pstmt = null;
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ResultSet rs = null;
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String sql = "SELECT controllevel, subtreeid, startnodeid, endnodeid " +
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"FROM xml_accesssubtree WHERE docid like ? " +
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"ORDER BY startnodeid ASC";
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try
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{
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pstmt = connection.prepareStatement(sql);
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// Increase DBConnection usage count
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connection.increaseUsageCount(1);
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// Bind the values to the query
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pstmt.setString(1, docid);
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pstmt.execute();
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// Get result set
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rs = pstmt.getResultSet();
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while (rs.next())
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{
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String level = rs.getString(1);
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String sectionId = rs.getString(2);
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long startNodeId = rs.getLong(3);
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long endNodeId = rs.getLong(4);
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// create a new access section
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AccessSection accessObj = new AccessSection();
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accessObj.setControlLevel(level);
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accessObj.setDocId(docid);
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accessObj.setSubTreeId(sectionId);
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accessObj.setStartNodeId(startNodeId);
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accessObj.setEndNodeId(endNodeId);
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Stack nodeStack = accessObj.getSubTreeNodeList();
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accessObj.setSubTreeNodeStack(nodeStack);
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// add this access obj into vector
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result.add(accessObj);
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// Get the top level access subtree control
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if ( level != null && level.equals(TOPLEVEL))
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{
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topAccessSection = accessObj;
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}
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}
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pstmt.close();
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}//try
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catch (SQLException e)
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{
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throw new
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SAXException("EMLSAXHandler.getAccessSubTreeListFromDB(): " +
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e.getMessage());
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}//catch
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finally
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{
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try
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{
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pstmt.close();
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}
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catch(SQLException ee)
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{
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throw new
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SAXException("EMLSAXHandler.getAccessSubTreeListFromDB(): " +
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ee.getMessage());
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}
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}//finally
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return result;
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}
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/** SAX Handler that is called at the start of each XML element */
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public void startElement(String uri, String localName,
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String qName, Attributes atts)
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throws SAXException
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{
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// for element <eml:eml...> qname is "eml:eml", local name is "eml"
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// for element <acl....> both qname and local name is "eml"
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// uri is namesapce
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MetaCatUtil.debugMessage("Start ELEMENT(qName) " + qName, 50);
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MetaCatUtil.debugMessage("Start ELEMENT(localName) " + localName, 50);
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MetaCatUtil.debugMessage("Start ELEMENT(uri) " + uri, 50);
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DBSAXNode parentNode = null;
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DBSAXNode currentNode = null;
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// Get a reference to the parent node for the id
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try
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{
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parentNode = (DBSAXNode)nodeStack.peek();
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}
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catch (EmptyStackException e)
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{
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parentNode = null;
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}
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288
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289
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// If hit a text node, we need write this text for current's parent node
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// This will happend if the element is mixted
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if (hitTextNode && parentNode != null)
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{
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293
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//compare text node data for unchangesubtree
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if (startCriticalSubTree)
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{
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296
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compareTextNode(currentUnChangedableSubtreeNodeStack, textBuffer,
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PERMISSIONERROR);
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298
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}//if
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299
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300
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//compare top level access module
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301
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if (processTopLeverAccess && needCheckingAccessModule)
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302
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{
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303
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compareTextNode(currentUnchangableAccessModuleNodeStack,
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304
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textBuffer, UPDATEACCESSERROR);
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305
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}
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306
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307
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if (needCheckingAccessModule &&
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308
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(processAdditionalAccess || processOtherAccess || processTopLeverAccess))
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309
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{
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310
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// stored the pull out nodes into storedNode stack
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311
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NodeRecord nodeElement = new NodeRecord(-2, -2, -2, "TEXT",
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312
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null, null, MetaCatUtil.normalize(textBuffer.toString()));
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313
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storedAccessNodeStack.push(nodeElement);
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314
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315
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}
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316
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317
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// write the textbuffer into db for parent node.
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endNodeId = writeTextForDBSAXNode(textBuffer, parentNode);
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319
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// rest hitTextNode
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320
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hitTextNode =false;
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321
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// reset textbuffer
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322
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textBuffer = null;
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323
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textBuffer = new StringBuffer();
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324
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325
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}
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326
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327
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328
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// Document representation that points to the root document node
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329
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if (atFirstElement)
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330
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{
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331
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atFirstElement = false;
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332
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// If no DOCTYPE declaration: docname = root element
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333
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// doctype = root element name or name space
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334
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if (docname == null)
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{
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docname = localName;
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337
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// if uri isn't null doctype = uri(namespace)
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// othewise root element
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if (uri != null && !(uri.trim()).equals(""))
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340
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{
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341
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doctype = uri;
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342
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}
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343
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else
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344
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{
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345
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doctype = docname;
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346
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}
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MetaCatUtil.debugMessage("DOCNAME-a: " + docname, 30);
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348
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MetaCatUtil.debugMessage("DOCTYPE-a: " + doctype, 30);
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349
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}
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350
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else if (doctype == null)
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{
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// because docname is not null and it is declared in dtd
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// so could not be in schema, no namespace
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doctype = docname;
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MetaCatUtil.debugMessage("DOCTYPE-b: " + doctype, 30);
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356
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}
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357
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rootNode.writeNodename(docname);
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358
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try
|
359
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{
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360
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// for validated XML Documents store a reference to XML DB Catalog
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361
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// Because this is select statement and it needn't to roll back if
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362
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// insert document action fialed.
|
363
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// In order to decrease DBConnection usage count, we get a new
|
364
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// dbconnection from pool
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365
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String catalogid = null;
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366
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DBConnection dbConn = null;
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367
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int serialNumber = -1;
|
368
|
|
369
|
|
370
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try
|
371
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{
|
372
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// Get dbconnection
|
373
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dbConn=DBConnectionPool.getDBConnection
|
374
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("DBSAXHandler.startElement");
|
375
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serialNumber=dbConn.getCheckOutSerialNumber();
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376
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|
377
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Statement stmt = dbConn.createStatement();
|
378
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ResultSet rs = stmt.executeQuery(
|
379
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"SELECT catalog_id FROM xml_catalog " +
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380
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"WHERE entry_type = 'Schema' " +
|
381
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"AND public_id = '" + doctype + "'");
|
382
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boolean hasRow = rs.next();
|
383
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if ( hasRow )
|
384
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{
|
385
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catalogid = rs.getString(1);
|
386
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}
|
387
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stmt.close();
|
388
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}//try
|
389
|
finally
|
390
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{
|
391
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// Return dbconnection
|
392
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DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
393
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}//finally
|
394
|
|
395
|
|
396
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//create documentImpl object by the constructor which can specify
|
397
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//the revision
|
398
|
currentDocument = new DocumentImpl(connection, rootNode.getNodeID(),
|
399
|
docname, doctype, docid, revision, action, user,
|
400
|
this.pub, catalogid, this.serverCode);
|
401
|
|
402
|
|
403
|
}
|
404
|
catch (Exception ane)
|
405
|
{
|
406
|
throw (new SAXException("Error in EMLSaxHandler.startElement " +
|
407
|
action, ane));
|
408
|
}
|
409
|
}
|
410
|
|
411
|
// Create the current node representation
|
412
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currentNode = new DBSAXNode(connection, qName, localName, parentNode,
|
413
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currentDocument.getRootNodeID(),docid,
|
414
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currentDocument.getDoctype());
|
415
|
// Use a local variable to store the element node id
|
416
|
// If this element is a start point of subtree(section), it will be stored
|
417
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// otherwise, it will be discated
|
418
|
long startNodeId = currentNode.getNodeID();
|
419
|
// Add all of the namespaces
|
420
|
String prefix =null;
|
421
|
String nsuri = null;
|
422
|
Enumeration prefixes = namespaces.keys();
|
423
|
while ( prefixes.hasMoreElements() )
|
424
|
{
|
425
|
prefix = (String)prefixes.nextElement();
|
426
|
nsuri = (String)namespaces.get(prefix);
|
427
|
endNodeId = currentNode.setNamespace(prefix, nsuri, docid);
|
428
|
}
|
429
|
|
430
|
|
431
|
// Add all of the attributes
|
432
|
for (int i=0; i<atts.getLength(); i++)
|
433
|
{
|
434
|
String attributeName = atts.getQName(i);
|
435
|
String attributeValue = atts.getValue(i);
|
436
|
endNodeId =
|
437
|
currentNode.setAttribute(attributeName, attributeValue, docid);
|
438
|
|
439
|
// To handle name space and schema location if the attribute name is
|
440
|
// xsi:schemaLocation. If the name space is in not in catalog table
|
441
|
// it will be regeistered.
|
442
|
if (attributeName != null &&
|
443
|
attributeName.indexOf(MetaCatServlet.SCHEMALOCATIONKEYWORD) != -1)
|
444
|
{
|
445
|
SchemaLocationResolver resolver =
|
446
|
new SchemaLocationResolver(attributeValue);
|
447
|
resolver.resolveNameSpace();
|
448
|
|
449
|
}
|
450
|
else if (attributeName !=null && attributeName.equals(ID))
|
451
|
{
|
452
|
|
453
|
|
454
|
//check unchangedable subtree hash if contains this subtree id
|
455
|
if (unChangableSubTreeHash.containsKey(attributeValue))
|
456
|
{
|
457
|
// this subtree couldn't be changed by the user and move it from hash
|
458
|
SubTree currentUnChangedableSubtree = (SubTree)
|
459
|
unChangableSubTreeHash.remove(attributeValue);
|
460
|
currentUnChangedableSubtreeNodeStack = currentUnChangedableSubtree.
|
461
|
getSubTreeNodeStack();
|
462
|
startCriticalSubTree = true;
|
463
|
firstElementForCriticalSubTree = true;
|
464
|
}
|
465
|
|
466
|
// handle subtree info
|
467
|
SubTree subTress = new SubTree();
|
468
|
// set sub tree id
|
469
|
subTress.setSubTreeId(attributeValue);
|
470
|
// set sub tree sstart lement name
|
471
|
subTress.setStartElementName(currentNode.getTagName());
|
472
|
// set start node number
|
473
|
subTress.setStartNodeId(startNodeId);
|
474
|
// add to stack, but it didn't get end node id yet
|
475
|
subTreeInfoStack.push(subTress);
|
476
|
|
477
|
}
|
478
|
}//for
|
479
|
|
480
|
// handle access stuff
|
481
|
if (localName.equals(ACCESS))
|
482
|
{
|
483
|
// if it is in addtionalmetacat
|
484
|
if (parentNode.getTagName() == ADDITIONALMETADATA)
|
485
|
{
|
486
|
processAdditionalAccess = true;
|
487
|
|
488
|
}
|
489
|
else
|
490
|
{
|
491
|
//make sure the access is top level
|
492
|
// this mean current node's parent's parent should be "eml"
|
493
|
DBSAXNode tmpNode = (DBSAXNode) nodeStack.pop();// pop out parent node
|
494
|
//peek out grandParentNode
|
495
|
DBSAXNode grandParentNode = (DBSAXNode)nodeStack.peek();
|
496
|
// put parent node back
|
497
|
nodeStack.push(tmpNode);
|
498
|
String grandParentTag = grandParentNode.getTagName();
|
499
|
if (grandParentTag.equals(EML))
|
500
|
{
|
501
|
processTopLeverAccess = true;
|
502
|
}
|
503
|
else
|
504
|
{
|
505
|
// process other access embedded into resource level module
|
506
|
processOtherAccess = true;
|
507
|
}
|
508
|
|
509
|
}
|
510
|
// create access object
|
511
|
accessObject = new AccessSection();
|
512
|
// set permission order
|
513
|
String permOrder = currentNode.getAttribute(ORDER);
|
514
|
accessObject.setPermissionOrder(permOrder);
|
515
|
// set access id
|
516
|
String accessId = currentNode.getAttribute(ID);
|
517
|
accessObject.setSubTreeId(accessId);
|
518
|
accessObject.setStartNodeId(startNodeId);
|
519
|
accessObject.setDocId(docid);
|
520
|
|
521
|
// load top level node stack to currentUnchangableAccessModuleNodeStack
|
522
|
if (processTopLeverAccess && needCheckingAccessModule)
|
523
|
{
|
524
|
// get the node stack for
|
525
|
currentUnchangableAccessModuleNodeStack =
|
526
|
topAccessSection.getSubTreeNodeStack();
|
527
|
}
|
528
|
|
529
|
|
530
|
}
|
531
|
// Set up a access rule for allow
|
532
|
else if (parentNode.getTagName() != null &&
|
533
|
(parentNode.getTagName()).equals(ACCESS) && localName.equals(ALLOW))
|
534
|
{
|
535
|
|
536
|
accessRule = new AccessRule();
|
537
|
|
538
|
//set permission type "allow"
|
539
|
accessRule.setPermissionType(ALLOW);
|
540
|
|
541
|
}
|
542
|
// set up an access rule for den
|
543
|
else if (parentNode.getTagName() != null
|
544
|
&& (parentNode.getTagName()).equals(ACCESS) && localName.equals(DENY))
|
545
|
{
|
546
|
accessRule = new AccessRule();
|
547
|
//set permission type "allow"
|
548
|
accessRule.setPermissionType(DENY);
|
549
|
}
|
550
|
|
551
|
// Add the node to the stack, so that any text data can be
|
552
|
// added as it is encountered
|
553
|
nodeStack.push(currentNode);
|
554
|
// Add the node to the vector used by thread for writing XML Index
|
555
|
nodeIndex.addElement(currentNode);
|
556
|
|
557
|
// handle critical subtree
|
558
|
if (startCriticalSubTree && firstElementForCriticalSubTree)
|
559
|
{
|
560
|
//store the element name
|
561
|
firstElementNameForCriticalSubTree = qName;
|
562
|
firstElementForCriticalSubTree = false;
|
563
|
}//for first element
|
564
|
|
565
|
// handle critical subtree
|
566
|
if (startCriticalSubTree)
|
567
|
{
|
568
|
compareElementNameSpaceAttributes(currentUnChangedableSubtreeNodeStack,
|
569
|
namespaces, atts, localName,
|
570
|
PERMISSIONERROR);
|
571
|
|
572
|
}
|
573
|
//compare top access level module
|
574
|
if (processTopLeverAccess && needCheckingAccessModule)
|
575
|
{
|
576
|
compareElementNameSpaceAttributes(currentUnchangableAccessModuleNodeStack,
|
577
|
namespaces, atts, localName,
|
578
|
UPDATEACCESSERROR);
|
579
|
|
580
|
}
|
581
|
|
582
|
// store access module element and attributes into stored stack
|
583
|
if (needCheckingAccessModule &&
|
584
|
(processAdditionalAccess || processOtherAccess || processTopLeverAccess))
|
585
|
{
|
586
|
// stored the pull out nodes into storedNode stack
|
587
|
NodeRecord nodeElement = new NodeRecord(-2, -2, -2, "ELEMENT",
|
588
|
localName, prefix, MetaCatUtil.normalize(null));
|
589
|
storedAccessNodeStack.push(nodeElement);
|
590
|
for (int i=0; i<atts.getLength(); i++)
|
591
|
{
|
592
|
String attributeName = atts.getQName(i);
|
593
|
String attributeValue = atts.getValue(i);
|
594
|
NodeRecord nodeAttribute = new NodeRecord(-2, -2, -2, "ATTRIBUTE",
|
595
|
attributeName, null, MetaCatUtil.normalize(attributeValue));
|
596
|
storedAccessNodeStack.push(nodeAttribute);
|
597
|
}
|
598
|
|
599
|
}
|
600
|
|
601
|
// reset name space
|
602
|
namespaces = null;
|
603
|
namespaces = new Hashtable();
|
604
|
}
|
605
|
|
606
|
private void compareElementNameSpaceAttributes(Stack unchangableNodeStack,
|
607
|
Hashtable nameSpaces,
|
608
|
Attributes attributes,
|
609
|
String localName, String error)
|
610
|
throws SAXException
|
611
|
{
|
612
|
//Get element subtree node stack (element node)
|
613
|
NodeRecord elementNode = null;
|
614
|
try
|
615
|
{
|
616
|
elementNode= (NodeRecord) unchangableNodeStack.pop();
|
617
|
}
|
618
|
catch (EmptyStackException ee)
|
619
|
{
|
620
|
MetaCatUtil.debugMessage("Node stack is empty for element data", 35);
|
621
|
throw new SAXException(error);
|
622
|
}
|
623
|
MetaCatUtil.debugMessage("current node type from xml is ELEMENT", 40);
|
624
|
MetaCatUtil.debugMessage("node type from stack: " +
|
625
|
elementNode.getNodeType(), 40);
|
626
|
MetaCatUtil.debugMessage("node name from xml document: " +
|
627
|
localName, 40);
|
628
|
MetaCatUtil.debugMessage("node name from stack: " +
|
629
|
elementNode.getNodeName(), 40);
|
630
|
MetaCatUtil.debugMessage("node data from stack: " +
|
631
|
elementNode.getNodeData(), 40);
|
632
|
MetaCatUtil.debugMessage("node id is: "+ elementNode.getNodeId(), 40);
|
633
|
// if this node is not element or local name not equal or name space not
|
634
|
// equals, throw an exception
|
635
|
if (!elementNode.getNodeType().equals("ELEMENT") ||
|
636
|
!localName.equals(elementNode.getNodeName()))
|
637
|
// (uri != null && !uri.equals(elementNode.getNodePrefix())))
|
638
|
{
|
639
|
MetaCatUtil.debugMessage("Inconsistence happend: ", 40);
|
640
|
MetaCatUtil.debugMessage("current node type from xml is ELEMENT", 40);
|
641
|
MetaCatUtil.debugMessage("node type from stack: " +
|
642
|
elementNode.getNodeType(), 40);
|
643
|
MetaCatUtil.debugMessage("node name from xml document: " +
|
644
|
localName, 40);
|
645
|
MetaCatUtil.debugMessage("node name from stack: " +
|
646
|
elementNode.getNodeName(), 40);
|
647
|
MetaCatUtil.debugMessage("node data from stack: " +
|
648
|
elementNode.getNodeData(), 40);
|
649
|
MetaCatUtil.debugMessage("node id is: "+ elementNode.getNodeId(), 40);
|
650
|
throw new SAXException(error);
|
651
|
}
|
652
|
|
653
|
//compare namespace
|
654
|
Enumeration nameEn = nameSpaces.keys();
|
655
|
while ( nameEn.hasMoreElements() )
|
656
|
{
|
657
|
//Get namespacke node stack (element node)
|
658
|
NodeRecord nameNode = null;
|
659
|
try
|
660
|
{
|
661
|
nameNode = (NodeRecord) unchangableNodeStack.pop();
|
662
|
}
|
663
|
catch (EmptyStackException ee)
|
664
|
{
|
665
|
MetaCatUtil.debugMessage("Node stack is empty for namespace data", 35);
|
666
|
throw new SAXException(error);
|
667
|
}
|
668
|
|
669
|
String prefixName = (String)nameEn.nextElement();
|
670
|
String nameSpaceUri = (String)nameSpaces.get(prefixName);
|
671
|
if (!nameNode.getNodeType().equals("NAMESPACE") ||
|
672
|
!prefixName.equals(nameNode.getNodeName()) ||
|
673
|
!nameSpaceUri.equals(nameNode.getNodeData()))
|
674
|
{
|
675
|
MetaCatUtil.debugMessage("Inconsistence happend: ", 40);
|
676
|
MetaCatUtil.debugMessage("current node type from xml is NAMESPACE", 40);
|
677
|
MetaCatUtil.debugMessage("node type from stack: " +
|
678
|
nameNode.getNodeType(), 40);
|
679
|
MetaCatUtil.debugMessage("current node name from xml is: " +
|
680
|
prefixName, 40);
|
681
|
MetaCatUtil.debugMessage("node name from stack: " +
|
682
|
nameNode.getNodeName(), 40);
|
683
|
MetaCatUtil.debugMessage("current node data from xml is: " +
|
684
|
nameSpaceUri, 40);
|
685
|
MetaCatUtil.debugMessage("node data from stack: " +
|
686
|
nameNode.getNodeData(), 40);
|
687
|
MetaCatUtil.debugMessage("node id is: "+ nameNode.getNodeId(), 40);
|
688
|
throw new SAXException(error);
|
689
|
}
|
690
|
|
691
|
}//while
|
692
|
|
693
|
//compare attributes
|
694
|
for (int i=0; i<attributes.getLength(); i++)
|
695
|
{
|
696
|
NodeRecord attriNode = null;
|
697
|
try
|
698
|
{
|
699
|
attriNode = (NodeRecord)unchangableNodeStack.pop();
|
700
|
|
701
|
}
|
702
|
catch (EmptyStackException ee)
|
703
|
{
|
704
|
MetaCatUtil.debugMessage("Node stack is empty for attribute data", 35);
|
705
|
throw new SAXException(error);
|
706
|
}
|
707
|
String attributeName = attributes.getQName(i);
|
708
|
String attributeValue = attributes.getValue(i);
|
709
|
MetaCatUtil.debugMessage("current node type from xml is ATTRIBUTE ", 40);
|
710
|
MetaCatUtil.debugMessage("node type from stack: " +
|
711
|
attriNode.getNodeType(), 40);
|
712
|
MetaCatUtil.debugMessage("current node name from xml is: " +
|
713
|
attributeName, 40);
|
714
|
MetaCatUtil.debugMessage("node name from stack: " +
|
715
|
attriNode.getNodeName(), 40);
|
716
|
MetaCatUtil.debugMessage("current node data from xml is: " +
|
717
|
attributeValue, 40);
|
718
|
MetaCatUtil.debugMessage("node data from stack: " +
|
719
|
attriNode.getNodeData(), 40);
|
720
|
MetaCatUtil.debugMessage("node id is: "+ attriNode.getNodeId(), 40);
|
721
|
|
722
|
if (!attriNode.getNodeType().equals("ATTRIBUTE") ||
|
723
|
!attributeName.equals(attriNode.getNodeName()) ||
|
724
|
!attributeValue.equals(attriNode.getNodeData()))
|
725
|
{
|
726
|
MetaCatUtil.debugMessage("Inconsistence happend: ", 40);
|
727
|
MetaCatUtil.debugMessage("current node type from xml is ATTRIBUTE ", 40);
|
728
|
MetaCatUtil.debugMessage("node type from stack: " +
|
729
|
attriNode.getNodeType(), 40);
|
730
|
MetaCatUtil.debugMessage("current node name from xml is: " +
|
731
|
attributeName, 40);
|
732
|
MetaCatUtil.debugMessage("node name from stack: " +
|
733
|
attriNode.getNodeName(), 40);
|
734
|
MetaCatUtil.debugMessage("current node data from xml is: " +
|
735
|
attributeValue, 40);
|
736
|
MetaCatUtil.debugMessage("node data from stack: " +
|
737
|
attriNode.getNodeData(), 40);
|
738
|
MetaCatUtil.debugMessage("node is: "+ attriNode.getNodeId(), 40);
|
739
|
throw new SAXException(error);
|
740
|
}
|
741
|
}//for
|
742
|
|
743
|
}
|
744
|
|
745
|
/* mehtod to compare current text node and node in db*/
|
746
|
private void compareTextNode(Stack nodeStack, StringBuffer text, String error)
|
747
|
throws SAXException
|
748
|
{
|
749
|
NodeRecord node = null;
|
750
|
//get node from current stack
|
751
|
try
|
752
|
{
|
753
|
node = (NodeRecord)nodeStack.pop();
|
754
|
}
|
755
|
catch (EmptyStackException ee)
|
756
|
{
|
757
|
MetaCatUtil.
|
758
|
debugMessage("Node stack is empty for text data in startElement", 35);
|
759
|
throw new SAXException(error);
|
760
|
}
|
761
|
MetaCatUtil.debugMessage("current node type from xml is TEXT in start element", 40);
|
762
|
MetaCatUtil.debugMessage("node type from stack: " +
|
763
|
node.getNodeType(), 40);
|
764
|
MetaCatUtil.debugMessage("current node data from xml is: " +
|
765
|
text.toString(), 40);
|
766
|
MetaCatUtil.debugMessage("node data from stack: " +
|
767
|
node.getNodeData(), 40);
|
768
|
MetaCatUtil.debugMessage("node name from stack: " +
|
769
|
node.getNodeName(), 40);
|
770
|
MetaCatUtil.debugMessage("node is: "+ node.getNodeId(), 40);
|
771
|
if (!node.getNodeType().equals("TEXT") ||
|
772
|
!(text.toString()).equals(node.getNodeData()))
|
773
|
{
|
774
|
MetaCatUtil.debugMessage("Inconsistence happend: ", 40);
|
775
|
MetaCatUtil.debugMessage("current node type from xml is TEXT in start element", 40);
|
776
|
MetaCatUtil.debugMessage("node type from stack: " +
|
777
|
node.getNodeType(), 40);
|
778
|
MetaCatUtil.debugMessage("current node data from xml is: " +
|
779
|
text.toString(), 40);
|
780
|
MetaCatUtil.debugMessage("node data from stack: " +
|
781
|
node.getNodeData(), 40);
|
782
|
MetaCatUtil.debugMessage("node name from stack: " +
|
783
|
node.getNodeName(), 40);
|
784
|
MetaCatUtil.debugMessage("node is: "+ node.getNodeId(), 40);
|
785
|
throw new SAXException(error);
|
786
|
}//if
|
787
|
}
|
788
|
/** SAX Handler that is called at the end of each XML element */
|
789
|
public void endElement(String uri, String localName,
|
790
|
String qName) throws SAXException
|
791
|
{
|
792
|
MetaCatUtil.debugMessage("End ELEMENT " + qName, 50);
|
793
|
|
794
|
// Get the node from the stack
|
795
|
DBSAXNode currentNode = (DBSAXNode)nodeStack.pop();
|
796
|
String currentTag = currentNode.getTagName();
|
797
|
|
798
|
// If before the end element, the parser hit text nodes and store them
|
799
|
// into the buffer, write the buffer to data base. The reason we put
|
800
|
// write database here is for xerces some time split text node
|
801
|
if (hitTextNode)
|
802
|
{
|
803
|
// get access value
|
804
|
String data = null;
|
805
|
// add principal
|
806
|
if (currentTag.equals(PRINCIPAL) && accessRule != null)
|
807
|
{
|
808
|
data = (textBuffer.toString()).trim();
|
809
|
accessRule.addPrincipal(data);
|
810
|
|
811
|
}
|
812
|
else if (currentTag.equals(PERMISSION) && accessRule != null)
|
813
|
{
|
814
|
data = (textBuffer.toString()).trim();
|
815
|
// we conbine different a permission into one value
|
816
|
int permission = accessRule.getPermission();
|
817
|
// add permision
|
818
|
if ( data.toUpperCase().equals(READSTRING) )
|
819
|
{
|
820
|
permission = permission | READ;
|
821
|
}
|
822
|
else if ( data.toUpperCase().equals(WRITESTRING) )
|
823
|
{
|
824
|
permission = permission | WRITE;
|
825
|
}
|
826
|
else if ( data.toUpperCase().equals(CHMODSTRING))
|
827
|
{
|
828
|
permission = permission | CHMOD;
|
829
|
}
|
830
|
else if ( data.toUpperCase().equals(ALLSTRING) )
|
831
|
{
|
832
|
permission = permission | ALL;
|
833
|
}
|
834
|
accessRule.setPermission(permission);
|
835
|
}
|
836
|
// put additionalmetadata/describes into vector
|
837
|
else if (currentTag.equals(DESCRIBES))
|
838
|
{
|
839
|
data = (textBuffer.toString()).trim();
|
840
|
describesId.add(data);
|
841
|
}
|
842
|
else if (currentTag.equals(REFERENCES) &&
|
843
|
(processTopLeverAccess ||
|
844
|
processAdditionalAccess || processOtherAccess))
|
845
|
{
|
846
|
// get reference
|
847
|
data = (textBuffer.toString()).trim();
|
848
|
// put reference id into accessSection
|
849
|
accessObject.setReferences(data);
|
850
|
|
851
|
}
|
852
|
else if (currentTag.equals(URL))
|
853
|
{
|
854
|
//handle online data, make sure its'parent is online
|
855
|
DBSAXNode parentNode = (DBSAXNode)nodeStack.peek();
|
856
|
if (parentNode != null && parentNode.getTagName()!= null &&
|
857
|
parentNode.getTagName().equals(ONLINE))
|
858
|
{
|
859
|
// if online data is in local metacat, add it to the vector
|
860
|
data = (textBuffer.toString()).trim();
|
861
|
if (data != null &&
|
862
|
(data.indexOf(MetaCatUtil.getOption("httpserver")) != -1 ||
|
863
|
data.indexOf(MetaCatUtil.getOption("server")) != -1))
|
864
|
{
|
865
|
// Get docid from url
|
866
|
String dataId =MetaCatUtil.getDocIdWithRevFromOnlineURL(data);
|
867
|
// add to vector
|
868
|
onlineDataFileIdVector.add(dataId);
|
869
|
}//if
|
870
|
}//if
|
871
|
}//else if
|
872
|
// write text to db if it is not inline data
|
873
|
if (!localName.equals(INLINE))
|
874
|
{
|
875
|
MetaCatUtil.debugMessage("Write text into DB in End Element", 50);
|
876
|
//compare text node if need
|
877
|
if (startCriticalSubTree)
|
878
|
{
|
879
|
compareTextNode(currentUnChangedableSubtreeNodeStack, textBuffer,
|
880
|
PERMISSIONERROR);
|
881
|
}//if
|
882
|
//compare top level access module
|
883
|
if (processTopLeverAccess && needCheckingAccessModule)
|
884
|
{
|
885
|
compareTextNode(currentUnchangableAccessModuleNodeStack,
|
886
|
textBuffer, UPDATEACCESSERROR);
|
887
|
}
|
888
|
// write text node into db
|
889
|
endNodeId = writeTextForDBSAXNode(textBuffer, currentNode);
|
890
|
}
|
891
|
else
|
892
|
{
|
893
|
MetaCatUtil.debugMessage("Write inline data into file system", 35);
|
894
|
|
895
|
//check if user changed inine data or not if user doesn't have
|
896
|
// write permission
|
897
|
if (startCriticalSubTree)
|
898
|
{
|
899
|
NodeRecord node = null;
|
900
|
String inlineData;
|
901
|
try
|
902
|
{
|
903
|
node = (NodeRecord)currentUnChangedableSubtreeNodeStack.pop();
|
904
|
// get file name from db
|
905
|
String fileName = node.getNodeData();
|
906
|
MetaCatUtil.debugMessage("in handle inline data", 35);
|
907
|
MetaCatUtil.debugMessage("the inline data file name from node is: "+
|
908
|
fileName, 40);
|
909
|
inlineData = readInlineDataFromFileSystem(fileName);
|
910
|
}
|
911
|
catch (EmptyStackException ee)
|
912
|
{
|
913
|
MetaCatUtil.debugMessage("the stack is empty for text data", 32);
|
914
|
throw new SAXException(PERMISSIONERROR);
|
915
|
}
|
916
|
catch (McdbException eee)
|
917
|
{
|
918
|
throw new SAXException(eee.getMessage());
|
919
|
}
|
920
|
|
921
|
if (!(textBuffer.toString()).equals(inlineData))
|
922
|
{
|
923
|
MetaCatUtil.debugMessage("inline data was changed by a user" +
|
924
|
" who doesn't have permission", 30);
|
925
|
throw new SAXException(PERMISSIONERROR);
|
926
|
}//if
|
927
|
}//if
|
928
|
// write inline data into file system and return file name
|
929
|
textBuffer = writeInlineDataIntoFile(textBuffer);
|
930
|
// write file name into db
|
931
|
endNodeId = writeTextForDBSAXNode(textBuffer, currentNode);
|
932
|
}
|
933
|
|
934
|
if (needCheckingAccessModule &&
|
935
|
(processAdditionalAccess || processOtherAccess || processTopLeverAccess))
|
936
|
{
|
937
|
// stored the pull out nodes into storedNode stack
|
938
|
NodeRecord nodeElement = new NodeRecord(-2, -2, -2, "TEXT",
|
939
|
null, null, MetaCatUtil.normalize(textBuffer.toString()));
|
940
|
storedAccessNodeStack.push(nodeElement);
|
941
|
|
942
|
}
|
943
|
}//if
|
944
|
|
945
|
//end crtical subtree(user doesn't have permission to write)
|
946
|
//When reach the first element and stack is empty
|
947
|
if (localName.equals(firstElementNameForCriticalSubTree) &&
|
948
|
currentUnChangedableSubtreeNodeStack.isEmpty())
|
949
|
{
|
950
|
startCriticalSubTree = false;
|
951
|
}
|
952
|
|
953
|
|
954
|
//set hitText false
|
955
|
hitTextNode = false;
|
956
|
// reset textbuff
|
957
|
textBuffer = null;
|
958
|
textBuffer = new StringBuffer();
|
959
|
|
960
|
// hand sub stree stuff
|
961
|
if (!subTreeInfoStack.empty())
|
962
|
{
|
963
|
SubTree tree = (SubTree)subTreeInfoStack.peek();// get last subtree
|
964
|
if (tree != null && tree.getStartElementName() != null &&
|
965
|
(tree.getStartElementName()).equals(currentTag))
|
966
|
{
|
967
|
// find the end of sub tree and set the end node id
|
968
|
tree.setEndNodeId(endNodeId);
|
969
|
// add the subtree into the final store palace
|
970
|
subTreeList.add(tree);
|
971
|
// get rid of it from stack
|
972
|
subTreeInfoStack.pop();
|
973
|
}//if
|
974
|
}//if
|
975
|
|
976
|
// access stuff
|
977
|
if (currentTag.equals(ALLOW) || currentTag.equals(DENY))
|
978
|
{
|
979
|
// finish parser a ccess rule and assign it to new one
|
980
|
AccessRule newRule = accessRule;
|
981
|
//add the new rule to access section object
|
982
|
accessObject.addAccessRule(newRule);
|
983
|
// reset access rule
|
984
|
accessRule = null;
|
985
|
}
|
986
|
else if (currentTag.equals(ACCESS))
|
987
|
{
|
988
|
// finish parse a access setction and assign it to new one
|
989
|
|
990
|
accessObject.setEndNodeId(endNodeId);
|
991
|
AccessSection newAccessObject = accessObject;
|
992
|
|
993
|
if (newAccessObject != null)
|
994
|
{
|
995
|
|
996
|
// add the accessSection into a vector to store it
|
997
|
// if it is not a reference, need to store it
|
998
|
if ( newAccessObject.getReferences() == null)
|
999
|
{
|
1000
|
|
1001
|
newAccessObject.setStoredTmpNodeStack(storedAccessNodeStack);
|
1002
|
accessObjectList.add(newAccessObject);
|
1003
|
}
|
1004
|
if (processTopLeverAccess)
|
1005
|
{
|
1006
|
|
1007
|
// top level access control will handle whole document -docid
|
1008
|
topLevelAccessControlMap.put(docid, newAccessObject);
|
1009
|
// reset processtopleveraccess tag
|
1010
|
|
1011
|
}//if
|
1012
|
else if (processAdditionalAccess)
|
1013
|
{
|
1014
|
// for additional control
|
1015
|
// put everything in describes value and access object into hash
|
1016
|
for ( int i=0; i<describesId.size(); i++)
|
1017
|
{
|
1018
|
|
1019
|
String subId = (String)describesId.elementAt(i);
|
1020
|
if (subId != null)
|
1021
|
{
|
1022
|
additionalAccessControlMap.put(subId, newAccessObject);
|
1023
|
}//if
|
1024
|
}//for
|
1025
|
// add this hashtable in to vector
|
1026
|
|
1027
|
additionalAccessMapList.add(additionalAccessControlMap);
|
1028
|
// reset this hashtable in order to store another additional
|
1029
|
//accesscontrol
|
1030
|
additionalAccessControlMap = null;
|
1031
|
additionalAccessControlMap = new Hashtable();
|
1032
|
}//if
|
1033
|
|
1034
|
}//if
|
1035
|
//check if access node stack is empty after parsing top access
|
1036
|
//module
|
1037
|
|
1038
|
if (needCheckingAccessModule && processTopLeverAccess &&
|
1039
|
!currentUnchangableAccessModuleNodeStack.isEmpty())
|
1040
|
{
|
1041
|
|
1042
|
MetaCatUtil.debugMessage("Access node stack is not empty after " +
|
1043
|
"parsing access subtree", 40);
|
1044
|
throw new SAXException(UPDATEACCESSERROR);
|
1045
|
|
1046
|
}
|
1047
|
//reset access section object
|
1048
|
|
1049
|
accessObject = null;
|
1050
|
|
1051
|
// reset tmp stored node stack
|
1052
|
storedAccessNodeStack = null;
|
1053
|
storedAccessNodeStack = new Stack();
|
1054
|
|
1055
|
// reset flag
|
1056
|
processAdditionalAccess =false;
|
1057
|
processTopLeverAccess =false;
|
1058
|
processOtherAccess = false;
|
1059
|
|
1060
|
}
|
1061
|
else if (currentTag.equals(ADDITIONALMETADATA))
|
1062
|
{
|
1063
|
//reset describesId
|
1064
|
describesId = null;
|
1065
|
describesId = new Vector();
|
1066
|
}
|
1067
|
|
1068
|
}
|
1069
|
|
1070
|
/**
|
1071
|
* SAX Handler that receives notification of comments in the DTD
|
1072
|
*/
|
1073
|
public void comment(char[] ch, int start, int length) throws SAXException {
|
1074
|
MetaCatUtil.debugMessage("COMMENT", 50);
|
1075
|
if ( !processingDTD )
|
1076
|
{
|
1077
|
DBSAXNode currentNode = (DBSAXNode)nodeStack.peek();
|
1078
|
String str = new String(ch, start, length);
|
1079
|
|
1080
|
//compare comment if need
|
1081
|
if (startCriticalSubTree)
|
1082
|
{
|
1083
|
compareCommentNode(currentUnChangedableSubtreeNodeStack, str,
|
1084
|
PERMISSIONERROR);
|
1085
|
}//if
|
1086
|
//compare top level access module
|
1087
|
if (processTopLeverAccess && needCheckingAccessModule)
|
1088
|
{
|
1089
|
compareCommentNode(currentUnchangableAccessModuleNodeStack, str,
|
1090
|
UPDATEACCESSERROR);
|
1091
|
}
|
1092
|
endNodeId = currentNode.writeChildNodeToDB("COMMENT", null, str, docid);
|
1093
|
if (needCheckingAccessModule &&
|
1094
|
(processAdditionalAccess || processOtherAccess || processTopLeverAccess))
|
1095
|
{
|
1096
|
// stored the pull out nodes into storedNode stack
|
1097
|
NodeRecord nodeElement = new NodeRecord(-2, -2, -2, "COMMENT",
|
1098
|
null, null, MetaCatUtil.normalize(str));
|
1099
|
storedAccessNodeStack.push(nodeElement);
|
1100
|
|
1101
|
}
|
1102
|
}
|
1103
|
}
|
1104
|
|
1105
|
/* Comparet comment from xml and db */
|
1106
|
private void compareCommentNode(Stack nodeStack, String string, String error)
|
1107
|
throws SAXException
|
1108
|
{
|
1109
|
NodeRecord node = null;
|
1110
|
try
|
1111
|
{
|
1112
|
node = (NodeRecord)nodeStack.pop();
|
1113
|
}
|
1114
|
catch (EmptyStackException ee)
|
1115
|
{
|
1116
|
MetaCatUtil.debugMessage("the stack is empty for comment data", 32);
|
1117
|
throw new SAXException(error);
|
1118
|
}
|
1119
|
MetaCatUtil.debugMessage("current node type from xml is COMMENT", 40);
|
1120
|
MetaCatUtil.debugMessage("node type from stack: " +
|
1121
|
node.getNodeType(), 40);
|
1122
|
MetaCatUtil.debugMessage("current node data from xml is: " +
|
1123
|
string, 40);
|
1124
|
MetaCatUtil.debugMessage("node data from stack: " +
|
1125
|
node.getNodeData(), 40);
|
1126
|
MetaCatUtil.debugMessage("node is from stack: " +
|
1127
|
node.getNodeId(), 40);
|
1128
|
// if not consistent terminate program and throw a exception
|
1129
|
if (!node.getNodeType().equals("COMMENT") ||
|
1130
|
!string.equals(node.getNodeData()))
|
1131
|
{
|
1132
|
MetaCatUtil.debugMessage("Inconsistence happend: ", 40);
|
1133
|
MetaCatUtil.debugMessage("current node type from xml is COMMENT", 40);
|
1134
|
MetaCatUtil.debugMessage("node type from stack: " +
|
1135
|
node.getNodeType(), 40);
|
1136
|
MetaCatUtil.debugMessage("current node data from xml is: " +
|
1137
|
string, 40);
|
1138
|
MetaCatUtil.debugMessage("node data from stack: " +
|
1139
|
node.getNodeData(), 40);
|
1140
|
MetaCatUtil.debugMessage("node is from stack: " +
|
1141
|
node.getNodeId(), 40);
|
1142
|
throw new SAXException(error);
|
1143
|
}//if
|
1144
|
}
|
1145
|
|
1146
|
/**
|
1147
|
* SAX Handler that is called for each XML text node that is
|
1148
|
* Ignorable white space
|
1149
|
*/
|
1150
|
public void ignorableWhitespace(char[] cbuf, int start, int len)
|
1151
|
throws SAXException
|
1152
|
{
|
1153
|
// When validation is turned "on", white spaces are reported here
|
1154
|
// When validation is turned "off" white spaces are not reported here,
|
1155
|
// but through characters() callback
|
1156
|
MetaCatUtil.debugMessage("IGNORABLEWHITESPACE", 50);
|
1157
|
DBSAXNode currentNode = (DBSAXNode)nodeStack.peek();
|
1158
|
String data = null;
|
1159
|
int leftover = len;
|
1160
|
int offset = start;
|
1161
|
boolean moredata = true;
|
1162
|
|
1163
|
// This loop deals with the case where there are more characters
|
1164
|
// than can fit in a single database text field (limit is
|
1165
|
// MAXDATACHARS). If the text to be inserted exceeds MAXDATACHARS,
|
1166
|
// write a series of nodes that are MAXDATACHARS long, and then the
|
1167
|
// final node contains the remainder
|
1168
|
while (moredata)
|
1169
|
{
|
1170
|
if (leftover > MAXDATACHARS)
|
1171
|
{
|
1172
|
data = new String(cbuf, offset, MAXDATACHARS);
|
1173
|
leftover -= MAXDATACHARS;
|
1174
|
offset += MAXDATACHARS;
|
1175
|
}
|
1176
|
else
|
1177
|
{
|
1178
|
data = new String(cbuf, offset, leftover);
|
1179
|
moredata = false;
|
1180
|
}
|
1181
|
|
1182
|
//compare whitespace if need
|
1183
|
if (startCriticalSubTree)
|
1184
|
{
|
1185
|
compareWhiteSpace(currentUnChangedableSubtreeNodeStack, data,
|
1186
|
PERMISSIONERROR);
|
1187
|
}//if
|
1188
|
|
1189
|
//compare whitespace in access top module
|
1190
|
if (processTopLeverAccess && needCheckingAccessModule)
|
1191
|
{
|
1192
|
compareWhiteSpace(currentUnchangableAccessModuleNodeStack, data,
|
1193
|
UPDATEACCESSERROR);
|
1194
|
}
|
1195
|
// Write the content of the node to the database
|
1196
|
if (needCheckingAccessModule &&
|
1197
|
(processAdditionalAccess || processOtherAccess || processTopLeverAccess))
|
1198
|
{
|
1199
|
// stored the pull out nodes into storedNode stack
|
1200
|
NodeRecord nodeElement = new NodeRecord(-2, -2, -2, "TEXT",
|
1201
|
null, null, MetaCatUtil.normalize(data));
|
1202
|
storedAccessNodeStack.push(nodeElement);
|
1203
|
|
1204
|
}
|
1205
|
endNodeId = currentNode.writeChildNodeToDB("TEXT", null, data, docid);
|
1206
|
}
|
1207
|
}
|
1208
|
|
1209
|
/* Compare whitespace from xml and db */
|
1210
|
private void compareWhiteSpace(Stack nodeStack, String string, String error)
|
1211
|
throws SAXException
|
1212
|
{
|
1213
|
NodeRecord node = null;
|
1214
|
try
|
1215
|
{
|
1216
|
node = (NodeRecord)nodeStack.pop();
|
1217
|
}
|
1218
|
catch (EmptyStackException ee)
|
1219
|
{
|
1220
|
MetaCatUtil.debugMessage("the stack is empty for whitespace data", 32);
|
1221
|
throw new SAXException(error);
|
1222
|
}
|
1223
|
if (!node.getNodeType().equals("TEXT") ||
|
1224
|
!string.equals(node.getNodeData()))
|
1225
|
{
|
1226
|
MetaCatUtil.debugMessage("Inconsistence happend: ", 40);
|
1227
|
MetaCatUtil.debugMessage("current node type from xml is WHITESPACE TEXT", 40);
|
1228
|
MetaCatUtil.debugMessage("node type from stack: " +
|
1229
|
node.getNodeType(), 40);
|
1230
|
MetaCatUtil.debugMessage("current node data from xml is: " +
|
1231
|
string, 40);
|
1232
|
MetaCatUtil.debugMessage("node data from stack: " +
|
1233
|
node.getNodeData(), 40);
|
1234
|
MetaCatUtil.debugMessage("node is from stack: " +
|
1235
|
node.getNodeId(), 40);
|
1236
|
throw new SAXException(error);
|
1237
|
}//if
|
1238
|
}
|
1239
|
|
1240
|
/** SAX Handler that receives notification of end of the document */
|
1241
|
public void endDocument() throws SAXException
|
1242
|
{
|
1243
|
MetaCatUtil.debugMessage("end Document", 50);
|
1244
|
// There are some unchangable subtree didn't be compare
|
1245
|
// This maybe cause user change the subtree id
|
1246
|
if (!unChangableSubTreeHash.isEmpty())
|
1247
|
{
|
1248
|
MetaCatUtil.debugMessage("The unChangealbe subtree is not empty", 40);
|
1249
|
throw new SAXException(PERMISSIONERROR);
|
1250
|
}
|
1251
|
|
1252
|
// write access rule to db
|
1253
|
writeAccessRuleToDB();
|
1254
|
|
1255
|
//delete relation table
|
1256
|
deleteRelations();
|
1257
|
//write relations
|
1258
|
for (int i= 0; i<onlineDataFileIdVector.size(); i++)
|
1259
|
{
|
1260
|
String id = (String)onlineDataFileIdVector.elementAt(i);
|
1261
|
writeOnlineDataFileIdIntoRelationTable(id);
|
1262
|
}
|
1263
|
|
1264
|
// Starting new thread for writing XML Index.
|
1265
|
// It calls the run method of the thread.
|
1266
|
try
|
1267
|
{
|
1268
|
xmlIndex.start();
|
1269
|
}
|
1270
|
catch (NullPointerException e)
|
1271
|
{
|
1272
|
xmlIndex = null;
|
1273
|
throw new
|
1274
|
SAXException("Problem with starting thread for writing XML Index. " +
|
1275
|
e.getMessage());
|
1276
|
}
|
1277
|
|
1278
|
}
|
1279
|
|
1280
|
/* The method to write all access rule intodb */
|
1281
|
private void writeAccessRuleToDB() throws SAXException
|
1282
|
{
|
1283
|
//Delete old permssion
|
1284
|
deletePermissionsInAccessTable(docid);
|
1285
|
//write top leve access rule
|
1286
|
writeTopLevelAccessRuleToDB();
|
1287
|
//write additional access rule
|
1288
|
//writeAddtionalAccessRuleToDB();
|
1289
|
}//writeAccessRuleToDB
|
1290
|
|
1291
|
/* The method to write top level access rule into db. */
|
1292
|
private void writeTopLevelAccessRuleToDB() throws SAXException
|
1293
|
{
|
1294
|
|
1295
|
// for top document level
|
1296
|
Object accessSection = topLevelAccessControlMap.get(docid);
|
1297
|
boolean top = true;
|
1298
|
String subSectionId = null;
|
1299
|
if ( accessSection != null )
|
1300
|
{
|
1301
|
AccessSection accessSectionObj = (AccessSection)accessSection;
|
1302
|
|
1303
|
// if accessSection is not null and is not reference
|
1304
|
if ( accessSectionObj.getReferences() == null)
|
1305
|
{
|
1306
|
// write the top level access module into xml_accesssubtree to store info
|
1307
|
// and then when update to check if the user can update it or not
|
1308
|
deleteAccessSubTreeRecord(docid);
|
1309
|
writeAccessSubTreeIntoDB(accessSectionObj,TOPLEVEL);
|
1310
|
|
1311
|
//write access section into xml_access table
|
1312
|
writeGivenAccessRuleIntoDB(accessSectionObj, top, subSectionId);
|
1313
|
// write relative online data file into xml_access too.
|
1314
|
/*for (int i= 0; i<onlineDataFileIdVector.size(); i++)
|
1315
|
{
|
1316
|
String id = (String)onlineDataFileIdVector.elementAt(i);
|
1317
|
writeAccessRuleForRalatedDataFileIntoDB(accessSectionObj, id);
|
1318
|
}*/
|
1319
|
|
1320
|
}
|
1321
|
else
|
1322
|
{
|
1323
|
|
1324
|
// this is a reference and go trough the vector which contains all
|
1325
|
// access object
|
1326
|
String referenceId = accessSectionObj.getReferences();
|
1327
|
boolean findAccessObject = false;
|
1328
|
MetaCatUtil.debugMessage("referered id for top access: "+
|
1329
|
referenceId, 35);
|
1330
|
for (int i=0; i<accessObjectList.size(); i++)
|
1331
|
{
|
1332
|
AccessSection accessObj = (AccessSection)accessObjectList.elementAt(i);
|
1333
|
String accessObjId = accessObj.getSubTreeId();
|
1334
|
if (referenceId != null && accessObj != null &&
|
1335
|
referenceId.equals(accessObjId))
|
1336
|
{
|
1337
|
// make sure the user didn't change any thing in this access moduel
|
1338
|
// too if user doesn't have all permission
|
1339
|
if (needCheckingAccessModule)
|
1340
|
{
|
1341
|
|
1342
|
Stack newStack = accessObj.getStoredTmpNodeStack();
|
1343
|
//revise order
|
1344
|
newStack = MetaCatUtil.reviseStack(newStack);
|
1345
|
// go throught the vector of unChangableAccessSubtreevector
|
1346
|
// and find the one whose id is as same as referenceid
|
1347
|
AccessSection oldAccessObj =
|
1348
|
getAccessSectionFromUnchangableAccessVector(referenceId);
|
1349
|
//if oldAccessObj is null something is wrong
|
1350
|
if (oldAccessObj == null)
|
1351
|
{
|
1352
|
throw new SAXException(UPDATEACCESSERROR);
|
1353
|
}//if
|
1354
|
else
|
1355
|
{
|
1356
|
// Get the node stack from old access obj
|
1357
|
Stack oldStack = oldAccessObj.getSubTreeNodeStack();
|
1358
|
comparingNodeStacks(newStack, oldStack);
|
1359
|
}//else
|
1360
|
}//if
|
1361
|
// write accessobject into db
|
1362
|
writeGivenAccessRuleIntoDB(accessObj, top, subSectionId);
|
1363
|
// add access rule for related on line data id too.
|
1364
|
/*for (int j= 0; j<onlineDataFileIdVector.size(); j++)
|
1365
|
{
|
1366
|
String id = (String)onlineDataFileIdVector.elementAt(j);
|
1367
|
writeAccessRuleForRalatedDataFileIntoDB(accessObj, id);
|
1368
|
}*/
|
1369
|
|
1370
|
|
1371
|
//write the reference access into xml_accesssubtree too
|
1372
|
// write the top level access module into xml_accesssubtree to store info
|
1373
|
// and then when update to check if the user can update it or not
|
1374
|
deleteAccessSubTreeRecord(docid);
|
1375
|
writeAccessSubTreeIntoDB(accessSectionObj,TOPLEVEL);
|
1376
|
writeAccessSubTreeIntoDB(accessObj, SUBTREELEVEL);
|
1377
|
findAccessObject = true;
|
1378
|
break;
|
1379
|
}
|
1380
|
}//for
|
1381
|
// if we couldn't find an access subtree id for this reference id
|
1382
|
if (!findAccessObject)
|
1383
|
{
|
1384
|
throw new SAXException("The referenceid: " + referenceId +
|
1385
|
" is not access subtree");
|
1386
|
}//if
|
1387
|
}//else
|
1388
|
|
1389
|
|
1390
|
}//if
|
1391
|
else
|
1392
|
{
|
1393
|
// couldn't find a access section object
|
1394
|
MetaCatUtil.debugMessage("couldn't find access control for document: "+
|
1395
|
docid, 35);
|
1396
|
}
|
1397
|
|
1398
|
}//writeTopLevelAccessRuletoDB
|
1399
|
|
1400
|
/* Given a subtree id and find the responding access section*/
|
1401
|
private AccessSection getAccessSectionFromUnchangableAccessVector(String id)
|
1402
|
{
|
1403
|
AccessSection result = null;
|
1404
|
// Makse sure the id
|
1405
|
if (id == null || id.equals(""))
|
1406
|
{
|
1407
|
return result;
|
1408
|
}
|
1409
|
// go throught vector and find the list
|
1410
|
for (int i=0; i<unChangableAccessSubTreeVector.size();i++)
|
1411
|
{
|
1412
|
AccessSection accessObj = (AccessSection)
|
1413
|
unChangableAccessSubTreeVector.elementAt(i);
|
1414
|
if (accessObj.getSubTreeId() != null &&
|
1415
|
(accessObj.getSubTreeId()).equals(id))
|
1416
|
{
|
1417
|
result = accessObj;
|
1418
|
}//if
|
1419
|
}//for
|
1420
|
return result;
|
1421
|
}//getAccessSectionFromUnchangableAccessVector
|
1422
|
|
1423
|
/* Compare two node stacks to see if they are same */
|
1424
|
private void comparingNodeStacks(Stack stack1, Stack stack2)
|
1425
|
throws SAXException
|
1426
|
{
|
1427
|
// make sure stack1 and stack2 are not empty
|
1428
|
if (stack1.isEmpty() || stack2.isEmpty())
|
1429
|
{
|
1430
|
MetaCatUtil.debugMessage("Because stack is empty!", 35);
|
1431
|
throw new SAXException(UPDATEACCESSERROR);
|
1432
|
}
|
1433
|
// go throw two stacks and compare every element
|
1434
|
while (!stack1.isEmpty())
|
1435
|
{
|
1436
|
// Pop an element from stack1
|
1437
|
NodeRecord record1 = (NodeRecord) stack1.pop();
|
1438
|
// Pop an element from stack2(stack 2 maybe empty)
|
1439
|
NodeRecord record2 = null;
|
1440
|
try
|
1441
|
{
|
1442
|
record2 = (NodeRecord) stack2.pop();
|
1443
|
}
|
1444
|
catch (EmptyStackException ee)
|
1445
|
{
|
1446
|
MetaCatUtil.debugMessage("Node stack2 is empty but stack1 isn't!", 35);
|
1447
|
throw new SAXException(UPDATEACCESSERROR);
|
1448
|
}
|
1449
|
// if two records are not same throw a exception
|
1450
|
if (!record1.contentEquals(record2))
|
1451
|
{
|
1452
|
MetaCatUtil.debugMessage("Two records from new and old stack are not "+
|
1453
|
"same!", 30);
|
1454
|
throw new SAXException(UPDATEACCESSERROR);
|
1455
|
}//if
|
1456
|
}//while
|
1457
|
|
1458
|
// now stack1 is empty and we should make sure stack2 is empty too
|
1459
|
if(!stack2.isEmpty())
|
1460
|
{
|
1461
|
MetaCatUtil.debugMessage("stack2 still have some elements while stack "+
|
1462
|
"is empty! ", 30);
|
1463
|
throw new SAXException(UPDATEACCESSERROR);
|
1464
|
}//if
|
1465
|
}//comparingNodeStacks
|
1466
|
|
1467
|
/* The method to write addtional access rule into db. */
|
1468
|
private void writeAddtionalAccessRuleToDB() throws SAXException
|
1469
|
{
|
1470
|
|
1471
|
PreparedStatement pstmt = null;
|
1472
|
boolean topLevel =false;
|
1473
|
// go through the vector which contains the additional access control
|
1474
|
//hashtable. Each hashtable has info for one additonalmetadata container
|
1475
|
for (int j= 0; j < additionalAccessMapList.size(); j++)
|
1476
|
{
|
1477
|
|
1478
|
Hashtable accessControlMap =
|
1479
|
(Hashtable)additionalAccessMapList.elementAt(j);
|
1480
|
// additional access rule
|
1481
|
Enumeration en = accessControlMap.keys();
|
1482
|
|
1483
|
while(en.hasMoreElements())
|
1484
|
{
|
1485
|
try
|
1486
|
{
|
1487
|
// Get subsection id
|
1488
|
String subSectionId = (String)en.nextElement();
|
1489
|
MetaCatUtil.debugMessage("sub section id in additional access mapping"
|
1490
|
+"(go through): "+ subSectionId, 35);
|
1491
|
|
1492
|
if (subSectionId == null)
|
1493
|
{
|
1494
|
// if id is null, terminate the program
|
1495
|
throw new SAXException("subtree id is null");
|
1496
|
}
|
1497
|
// Get AccessSection Object
|
1498
|
Object accessSectionObj = accessControlMap.get(subSectionId);
|
1499
|
if (accessSectionObj == null)
|
1500
|
{
|
1501
|
// if accesssection is null, terminate the program
|
1502
|
throw new SAXException("access subtree is null");
|
1503
|
}
|
1504
|
else
|
1505
|
{
|
1506
|
AccessSection accessControlObj = (AccessSection)accessSectionObj;
|
1507
|
// if the access section is not references, write it to db
|
1508
|
if (accessControlObj.getReferences() == null)
|
1509
|
{
|
1510
|
writeGivenAccessRuleIntoDB(accessControlObj, topLevel,
|
1511
|
subSectionId);
|
1512
|
}
|
1513
|
else
|
1514
|
{
|
1515
|
// this is a reference and go trough the vector which contains all
|
1516
|
// access object
|
1517
|
String referenceId = accessControlObj.getReferences();
|
1518
|
|
1519
|
boolean findAccessObject = false;
|
1520
|
MetaCatUtil.debugMessage("referered id for additional access "+
|
1521
|
"mapping(go through): "+ referenceId, 35);
|
1522
|
for (int i=0; i<accessObjectList.size(); i++)
|
1523
|
{
|
1524
|
AccessSection accessObj =
|
1525
|
(AccessSection)accessObjectList.elementAt(i);
|
1526
|
String accessObjId = accessObj.getSubTreeId();
|
1527
|
MetaCatUtil.debugMessage("access obj id in the list(go through): "
|
1528
|
+ accessObjId, 35);
|
1529
|
if (referenceId != null && accessObj != null &&
|
1530
|
referenceId.equals(accessObjId))
|
1531
|
{
|
1532
|
writeGivenAccessRuleIntoDB(accessObj, topLevel, subSectionId);
|
1533
|
findAccessObject = true;
|
1534
|
}//if
|
1535
|
}//for
|
1536
|
// if we couldn't find an access subtree id for this reference id
|
1537
|
if (!findAccessObject)
|
1538
|
{
|
1539
|
throw new SAXException("The referenceid: " + referenceId +
|
1540
|
" is not access subtree");
|
1541
|
}//if
|
1542
|
}//else
|
1543
|
}//else
|
1544
|
}//try
|
1545
|
catch (Exception e)
|
1546
|
{
|
1547
|
|
1548
|
MetaCatUtil.debugMessage("error in EmlSAXHandler.writeAddtionalAccess"
|
1549
|
+ ": "+e.getMessage(), 30);
|
1550
|
throw new SAXException(e.getMessage());
|
1551
|
}
|
1552
|
}//while
|
1553
|
}//for
|
1554
|
}//writeAccessRuletoDB
|
1555
|
|
1556
|
/* Write a gaven access rule into db*/
|
1557
|
private void writeGivenAccessRuleIntoDB(AccessSection accessSection,
|
1558
|
boolean topLevel, String subSectionId)
|
1559
|
throws SAXException
|
1560
|
{
|
1561
|
if (accessSection == null)
|
1562
|
{
|
1563
|
throw new SAXException("The access object is null");
|
1564
|
}
|
1565
|
|
1566
|
String permOrder = accessSection.getPermissionOrder();
|
1567
|
String sql = null;
|
1568
|
PreparedStatement pstmt = null;
|
1569
|
if (topLevel)
|
1570
|
{
|
1571
|
sql = "INSERT INTO xml_access (docid, principal_name, permission, "+
|
1572
|
"perm_type, perm_order, accessfileid) VALUES " +
|
1573
|
" (?, ?, ?, ?, ?, ?)";
|
1574
|
}
|
1575
|
else
|
1576
|
{
|
1577
|
sql ="INSERT INTO xml_access (docid,principal_name, "+
|
1578
|
"permission, perm_type, perm_order, accessfileid, subtreeid, "+
|
1579
|
" startnodeid, endnodeid) VALUES" +
|
1580
|
" (?, ?, ?, ?, ?, ?, ?, ?, ?)";
|
1581
|
}
|
1582
|
try
|
1583
|
{
|
1584
|
|
1585
|
pstmt = connection.prepareStatement(sql);
|
1586
|
// Increase DBConnection usage count
|
1587
|
connection.increaseUsageCount(1);
|
1588
|
// Bind the values to the query
|
1589
|
pstmt.setString(1, docid);
|
1590
|
MetaCatUtil.debugMessage("Docid in accesstable: "+ docid, 35);
|
1591
|
pstmt.setString(6, docid);
|
1592
|
MetaCatUtil.debugMessage("Accessfileid in accesstable: "+ docid, 35);
|
1593
|
pstmt.setString(5, permOrder);
|
1594
|
MetaCatUtil.debugMessage("PermOder in accesstable: "+ permOrder, 35);
|
1595
|
// if it is not top level, set subsection id
|
1596
|
if (!topLevel)
|
1597
|
{
|
1598
|
long startNodeId = 0;
|
1599
|
long endNodeId = 0;
|
1600
|
// for subtree should specify the
|
1601
|
if (subSectionId == null)
|
1602
|
{
|
1603
|
throw new SAXException("The subsection is null");
|
1604
|
}
|
1605
|
// go through the substree list vector and found the start node id
|
1606
|
// and stop node id for this subtree id
|
1607
|
for (int i=0; i<subTreeList.size(); i++)
|
1608
|
{
|
1609
|
SubTree tree = (SubTree)subTreeList.elementAt(i);
|
1610
|
String subTreeId = tree.getSubTreeId();
|
1611
|
if (subSectionId.equals(subTreeId))
|
1612
|
{
|
1613
|
startNodeId = tree.getStartNodeId();
|
1614
|
endNodeId = tree.getEndNodeId();
|
1615
|
}//if
|
1616
|
}//for
|
1617
|
if (startNodeId == 0 || endNodeId == 0)
|
1618
|
{
|
1619
|
throw new SAXException("Could find the subtree"
|
1620
|
+ "for this id: "+subSectionId);
|
1621
|
}
|
1622
|
pstmt.setString(7, subSectionId);
|
1623
|
MetaCatUtil.debugMessage("SubSectionId in accesstable: "+
|
1624
|
subSectionId, 35);
|
1625
|
pstmt.setLong(8, startNodeId);
|
1626
|
MetaCatUtil.debugMessage("Start node id is: " + startNodeId, 35);
|
1627
|
pstmt.setLong(9, endNodeId);
|
1628
|
MetaCatUtil.debugMessage("End node id is: " + endNodeId, 35);
|
1629
|
|
1630
|
}
|
1631
|
|
1632
|
Vector accessRules = accessSection.getAccessRules();
|
1633
|
// go through every rule
|
1634
|
for (int i=0; i<accessRules.size(); i++)
|
1635
|
{
|
1636
|
AccessRule rule = (AccessRule)accessRules.elementAt(i);
|
1637
|
String permType = rule.getPermissionType();
|
1638
|
int permission = rule.getPermission();
|
1639
|
pstmt.setInt(3, permission);
|
1640
|
MetaCatUtil.debugMessage("permission in accesstable: "+ permission, 35);
|
1641
|
pstmt.setString(4, permType);
|
1642
|
MetaCatUtil.debugMessage("Permtype in accesstable: "+ permType, 35);
|
1643
|
// go through every principle in rule
|
1644
|
Vector nameVector = rule.getPrincipal();
|
1645
|
for ( int j = 0; j < nameVector.size(); j++ )
|
1646
|
{
|
1647
|
String prName = (String)nameVector.elementAt(j);
|
1648
|
pstmt.setString(2, prName);
|
1649
|
MetaCatUtil.debugMessage("Principal in accesstable: "+prName, 35);
|
1650
|
pstmt.execute();
|
1651
|
}//for
|
1652
|
}//for
|
1653
|
pstmt.close();
|
1654
|
}//try
|
1655
|
catch (SQLException e)
|
1656
|
{
|
1657
|
throw new
|
1658
|
SAXException("EMLSAXHandler.writeAccessRuletoDB(): " + e.getMessage());
|
1659
|
}//catch
|
1660
|
finally
|
1661
|
{
|
1662
|
try
|
1663
|
{
|
1664
|
pstmt.close();
|
1665
|
}
|
1666
|
catch(SQLException ee)
|
1667
|
{
|
1668
|
throw new
|
1669
|
SAXException("EMLSAXHandler.writeAccessRuletoDB(): " +
|
1670
|
ee.getMessage());
|
1671
|
}
|
1672
|
}//finally
|
1673
|
|
1674
|
}//writeGivenAccessRuleIntoDB
|
1675
|
|
1676
|
|
1677
|
|
1678
|
/* Write a gaven access rule into db*/
|
1679
|
private void writeAccessRuleForRalatedDataFileIntoDB
|
1680
|
(AccessSection accessSection, String dataId)
|
1681
|
throws SAXException
|
1682
|
{
|
1683
|
if (accessSection == null)
|
1684
|
{
|
1685
|
throw new SAXException("The access object is null");
|
1686
|
}
|
1687
|
// get rid of rev from dataId
|
1688
|
dataId = MetaCatUtil.getDocIdFromString(dataId);
|
1689
|
String permOrder = accessSection.getPermissionOrder();
|
1690
|
String sql = null;
|
1691
|
PreparedStatement pstmt = null;
|
1692
|
sql = "INSERT INTO xml_access (docid, principal_name, permission, "+
|
1693
|
"perm_type, perm_order, accessfileid) VALUES " +
|
1694
|
" (?, ?, ?, ?, ?, ?)";
|
1695
|
|
1696
|
try
|
1697
|
{
|
1698
|
|
1699
|
pstmt = connection.prepareStatement(sql);
|
1700
|
// Increase DBConnection usage count
|
1701
|
connection.increaseUsageCount(1);
|
1702
|
// Bind the values to the query
|
1703
|
pstmt.setString(1, dataId);
|
1704
|
MetaCatUtil.debugMessage("Docid in accesstable: "+ docid, 35);
|
1705
|
pstmt.setString(6, docid);
|
1706
|
MetaCatUtil.debugMessage("Accessfileid in accesstable: "+ docid, 35);
|
1707
|
pstmt.setString(5, permOrder);
|
1708
|
MetaCatUtil.debugMessage("PermOder in accesstable: "+ permOrder, 35);
|
1709
|
// if it is not top level, set subsection id
|
1710
|
|
1711
|
Vector accessRules = accessSection.getAccessRules();
|
1712
|
// go through every rule
|
1713
|
for (int i=0; i<accessRules.size(); i++)
|
1714
|
{
|
1715
|
AccessRule rule = (AccessRule)accessRules.elementAt(i);
|
1716
|
String permType = rule.getPermissionType();
|
1717
|
int permission = rule.getPermission();
|
1718
|
pstmt.setInt(3, permission);
|
1719
|
MetaCatUtil.debugMessage("permission in accesstable: "+ permission, 35);
|
1720
|
pstmt.setString(4, permType);
|
1721
|
MetaCatUtil.debugMessage("Permtype in accesstable: "+ permType, 35);
|
1722
|
// go through every principle in rule
|
1723
|
Vector nameVector = rule.getPrincipal();
|
1724
|
for ( int j = 0; j < nameVector.size(); j++ )
|
1725
|
{
|
1726
|
String prName = (String)nameVector.elementAt(j);
|
1727
|
pstmt.setString(2, prName);
|
1728
|
MetaCatUtil.debugMessage("Principal in accesstable: "+prName, 35);
|
1729
|
pstmt.execute();
|
1730
|
}//for
|
1731
|
}//for
|
1732
|
pstmt.close();
|
1733
|
}//try
|
1734
|
catch (SQLException e)
|
1735
|
{
|
1736
|
throw new
|
1737
|
SAXException("EMLSAXHandler.writeAccessRuletoDB(): " + e.getMessage());
|
1738
|
}//catch
|
1739
|
finally
|
1740
|
{
|
1741
|
try
|
1742
|
{
|
1743
|
pstmt.close();
|
1744
|
}
|
1745
|
catch(SQLException ee)
|
1746
|
{
|
1747
|
throw new
|
1748
|
SAXException("EMLSAXHandler.writeAccessRuletoDB(): " +
|
1749
|
ee.getMessage());
|
1750
|
}
|
1751
|
}//finally
|
1752
|
|
1753
|
}//writeAccessRuleForRalatedDataFileIntoDB
|
1754
|
|
1755
|
|
1756
|
|
1757
|
|
1758
|
|
1759
|
/* Delete from db all permission for resources related to @aclid if any.*/
|
1760
|
private void deletePermissionsInAccessTable(String aclid)
|
1761
|
throws SAXException
|
1762
|
{
|
1763
|
Statement stmt = null;
|
1764
|
try
|
1765
|
{
|
1766
|
// delete all acl records for resources related to @aclid if any
|
1767
|
stmt = connection.createStatement();
|
1768
|
// Increase DBConnection usage count
|
1769
|
connection.increaseUsageCount(1);
|
1770
|
stmt.execute("DELETE FROM xml_access WHERE accessfileid = '" + aclid +
|
1771
|
"'");
|
1772
|
|
1773
|
}
|
1774
|
catch (SQLException e)
|
1775
|
{
|
1776
|
throw new SAXException(e.getMessage());
|
1777
|
}
|
1778
|
finally
|
1779
|
{
|
1780
|
try
|
1781
|
{
|
1782
|
stmt.close();
|
1783
|
}
|
1784
|
catch (SQLException ee)
|
1785
|
{
|
1786
|
throw new SAXException(ee.getMessage());
|
1787
|
}
|
1788
|
}
|
1789
|
}//deletePermissionsInAccessTable
|
1790
|
|
1791
|
|
1792
|
/* In order to make sure only usr has "all" permission can update access
|
1793
|
* subtree in eml document we need to keep access subtree info in
|
1794
|
* xml_accesssubtree table, such as docid, version, startnodeid, endnodeid
|
1795
|
*/
|
1796
|
private void writeAccessSubTreeIntoDB(AccessSection accessSection,
|
1797
|
String level)
|
1798
|
throws SAXException
|
1799
|
{
|
1800
|
if (accessSection == null)
|
1801
|
{
|
1802
|
throw new SAXException("The access object is null");
|
1803
|
}
|
1804
|
|
1805
|
String sql = null;
|
1806
|
PreparedStatement pstmt = null;
|
1807
|
sql = "INSERT INTO xml_accesssubtree (docid, rev, controllevel, "+
|
1808
|
"subtreeid, startnodeid, endnodeid) VALUES " +
|
1809
|
" (?, ?, ?, ?, ?, ?)";
|
1810
|
try
|
1811
|
{
|
1812
|
|
1813
|
pstmt = connection.prepareStatement(sql);
|
1814
|
// Increase DBConnection usage count
|
1815
|
connection.increaseUsageCount(1);
|
1816
|
long startNodeId = accessSection.getStartNodeId();
|
1817
|
long endNodeId = accessSection.getEndNodeId();
|
1818
|
String sectionId = accessSection.getSubTreeId();
|
1819
|
// Bind the values to the query
|
1820
|
pstmt.setString(1, docid);
|
1821
|
MetaCatUtil.debugMessage("Docid in access-subtreetable: "+ docid, 35);
|
1822
|
pstmt.setString(2, revision );
|
1823
|
MetaCatUtil.debugMessage("rev in accesssubtreetable: "+ revision, 35);
|
1824
|
pstmt.setString(3, level);
|
1825
|
MetaCatUtil.debugMessage("contorl level in access-subtree table: "+
|
1826
|
level, 35);
|
1827
|
pstmt.setString(4, sectionId);
|
1828
|
MetaCatUtil.debugMessage("Subtree id in access-subtree table: "+
|
1829
|
sectionId, 35);
|
1830
|
pstmt.setLong(5, startNodeId);
|
1831
|
MetaCatUtil.debugMessage("Start node id is: " + startNodeId, 35);
|
1832
|
pstmt.setLong(6, endNodeId);
|
1833
|
MetaCatUtil.debugMessage("End node id is: " + endNodeId, 35);
|
1834
|
pstmt.execute();
|
1835
|
pstmt.close();
|
1836
|
}//try
|
1837
|
catch (SQLException e)
|
1838
|
{
|
1839
|
throw new
|
1840
|
SAXException("EMLSAXHandler.writeAccessSubTreeIntoDB(): " +
|
1841
|
e.getMessage());
|
1842
|
}//catch
|
1843
|
finally
|
1844
|
{
|
1845
|
try
|
1846
|
{
|
1847
|
pstmt.close();
|
1848
|
}
|
1849
|
catch(SQLException ee)
|
1850
|
{
|
1851
|
throw new
|
1852
|
SAXException("EMLSAXHandler.writeAccessSubTreeIntoDB(): " +
|
1853
|
ee.getMessage());
|
1854
|
}
|
1855
|
}//finally
|
1856
|
|
1857
|
}//writeAccessSubtreeIntoDB
|
1858
|
|
1859
|
/* Delete every access subtree record from xml_accesssubtree.*/
|
1860
|
private void deleteAccessSubTreeRecord(String docId) throws SAXException
|
1861
|
{
|
1862
|
Statement stmt = null;
|
1863
|
try
|
1864
|
{
|
1865
|
// delete all acl records for resources related to @aclid if any
|
1866
|
stmt = connection.createStatement();
|
1867
|
// Increase DBConnection usage count
|
1868
|
connection.increaseUsageCount(1);
|
1869
|
stmt.execute("DELETE FROM xml_accesssubtree WHERE docid = '" + docId + "'");
|
1870
|
|
1871
|
}
|
1872
|
catch (SQLException e)
|
1873
|
{
|
1874
|
throw new SAXException(e.getMessage());
|
1875
|
}
|
1876
|
finally
|
1877
|
{
|
1878
|
try
|
1879
|
{
|
1880
|
stmt.close();
|
1881
|
}
|
1882
|
catch (SQLException ee)
|
1883
|
{
|
1884
|
throw new SAXException(ee.getMessage());
|
1885
|
}
|
1886
|
}
|
1887
|
}//deleteAccessSubTreeRecord
|
1888
|
|
1889
|
// write inline data into file system and return file name(without path)
|
1890
|
private StringBuffer writeInlineDataIntoFile(StringBuffer data)
|
1891
|
throws SAXException
|
1892
|
{
|
1893
|
StringBuffer fileNameBuffer = null;
|
1894
|
String fileName = null;
|
1895
|
String docidWithoutRev = MetaCatUtil.getDocIdFromString(docid);
|
1896
|
String path = MetaCatUtil.getOption("inlinedatafilepath");
|
1897
|
String seperator = MetaCatUtil.getOption("accNumSeparator");
|
1898
|
// the new file name will look like path/docid.rev.2
|
1899
|
fileName = docidWithoutRev + seperator+revision+seperator +inLineDataIndex;
|
1900
|
File inlineDataDirectory = new File(path);
|
1901
|
File newFile = new File(inlineDataDirectory, fileName);
|
1902
|
// incease inLinedataindex for next one
|
1903
|
inLineDataIndex++ ;
|
1904
|
try
|
1905
|
{
|
1906
|
FileWriter writer = new FileWriter(newFile);
|
1907
|
writer.write(data.toString());
|
1908
|
writer.close();
|
1909
|
}
|
1910
|
catch (Exception e)
|
1911
|
{
|
1912
|
throw new SAXException(e.getMessage());
|
1913
|
}
|
1914
|
|
1915
|
fileNameBuffer = new StringBuffer(fileName);
|
1916
|
return fileNameBuffer;
|
1917
|
}
|
1918
|
|
1919
|
/* In eml2, the inline data wouldn't store in db, it store in file system
|
1920
|
* The db stores file name(without path).
|
1921
|
*/
|
1922
|
public static String readInlineDataFromFileSystem(String fileName)
|
1923
|
throws McdbException
|
1924
|
{
|
1925
|
String data = null;
|
1926
|
String path = MetaCatUtil.getOption("inlinedatafilepath");
|
1927
|
// the new file name will look like path/docid.rev.2
|
1928
|
File inlineDataDirectory = new File(path);
|
1929
|
File dataFile = new File(inlineDataDirectory, fileName);
|
1930
|
try
|
1931
|
{
|
1932
|
FileReader fileReader = new FileReader(dataFile);
|
1933
|
BufferedReader stringReader = new BufferedReader(fileReader);
|
1934
|
// read first line of data
|
1935
|
String tmp = stringReader.readLine();
|
1936
|
// pass first line data to data varible
|
1937
|
data = tmp;
|
1938
|
// at the end tmp will be null
|
1939
|
while (tmp != null)
|
1940
|
{
|
1941
|
// read a new line
|
1942
|
tmp = stringReader.readLine();
|
1943
|
// append new line to data
|
1944
|
if (tmp != null)
|
1945
|
{
|
1946
|
data = data+tmp;
|
1947
|
}
|
1948
|
}
|
1949
|
|
1950
|
}
|
1951
|
catch (Exception e)
|
1952
|
{
|
1953
|
throw new McdbException(e.getMessage());
|
1954
|
}
|
1955
|
MetaCatUtil.debugMessage("the inline data retrieve from file: "+data, 50);
|
1956
|
return data;
|
1957
|
}
|
1958
|
|
1959
|
/* Delete relations */
|
1960
|
private void deleteRelations() throws SAXException
|
1961
|
{
|
1962
|
PreparedStatement pStmt = null;
|
1963
|
String sql = "DELETE FROM xml_relation where docid =?";
|
1964
|
try
|
1965
|
{
|
1966
|
pStmt = connection.prepareStatement(sql);
|
1967
|
//bind variable
|
1968
|
pStmt.setString(1, docid);
|
1969
|
//execute query
|
1970
|
pStmt.execute();
|
1971
|
pStmt.close();
|
1972
|
}//try
|
1973
|
catch (SQLException e)
|
1974
|
{
|
1975
|
throw new
|
1976
|
SAXException("EMLSAXHandler.deleteRelations(): " +
|
1977
|
e.getMessage());
|
1978
|
}//catch
|
1979
|
finally
|
1980
|
{
|
1981
|
try
|
1982
|
{
|
1983
|
pStmt.close();
|
1984
|
}//try
|
1985
|
catch(SQLException ee)
|
1986
|
{
|
1987
|
throw new
|
1988
|
SAXException("EMLSAXHandler.deleteRelations: " +
|
1989
|
ee.getMessage());
|
1990
|
}//catch
|
1991
|
}//finally
|
1992
|
}
|
1993
|
|
1994
|
/* Write an online data file id into xml_relation table*/
|
1995
|
private void writeOnlineDataFileIdIntoRelationTable(String dataId)
|
1996
|
throws SAXException
|
1997
|
{
|
1998
|
// Get rid of rev
|
1999
|
dataId = MetaCatUtil.getDocIdFromString(dataId);
|
2000
|
PreparedStatement pStmt = null;
|
2001
|
String sql = "INSERT into xml_relation (docid, packagetype, subject, "+
|
2002
|
"relationship, object) values (?, ?, ?, ?, ?)";
|
2003
|
try
|
2004
|
{
|
2005
|
pStmt = connection.prepareStatement(sql);
|
2006
|
//bind variable
|
2007
|
pStmt.setString(1, docid);
|
2008
|
pStmt.setString(2, DocumentImpl.EMLNAMESPACE);
|
2009
|
pStmt.setString(3, docid);
|
2010
|
pStmt.setString(4, RELATION);
|
2011
|
pStmt.setString(5, dataId);
|
2012
|
//execute query
|
2013
|
pStmt.execute();
|
2014
|
pStmt.close();
|
2015
|
}//try
|
2016
|
catch (SQLException e)
|
2017
|
{
|
2018
|
throw new
|
2019
|
SAXException("EMLSAXHandler.writeOnlineDataFileIdIntoRelationTable(): " +
|
2020
|
e.getMessage());
|
2021
|
}//catch
|
2022
|
finally
|
2023
|
{
|
2024
|
try
|
2025
|
{
|
2026
|
pStmt.close();
|
2027
|
}//try
|
2028
|
catch(SQLException ee)
|
2029
|
{
|
2030
|
throw new
|
2031
|
SAXException("EMLSAXHandler.writeOnlineDataFileIdIntoRelationTable(): " +
|
2032
|
ee.getMessage());
|
2033
|
}//catch
|
2034
|
}//finally
|
2035
|
|
2036
|
}//writeOnlineDataFileIdIntoRelationTable
|
2037
|
}
|