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tao
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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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* '$Author$'
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* '$Date$'
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* '$Revision$'
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package edu.ucsb.nceas.metacat;
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import java.sql.*;
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import java.io.File;
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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 AddMissedSubTreeSAXHandler extends DefaultHandler
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{
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String docId;
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Hashtable unReadableSubTreeHash;
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Vector unReadableSubTreeList = new Vector();
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// Constant
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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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/** 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 myDocid the docid for these subtree
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* @param myUnReadableTree the tree couldn't be read
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*/
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public AddMissedSubTreeSAXHandler(Hashtable myUnReadableTree)
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throws SAXException
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{
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unReadableSubTreeHash = myUnReadableTree;
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getUnReadableSubTreeList();
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}
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/* Get the unreadable tree list (every tree has the noderecorder stack)*/
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private void getUnReadableSubTreeList() throws SAXException
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{
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Enumeration en = unReadableSubTreeHash.elements();
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try
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{
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// go though the unreadable subtree list
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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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long startNodeId = treeWithoutStack.getStartNodeId();
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long endNodeId = treeWithoutStack.getEndNodeId();
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// Get a subtree has the nodelist
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SubTree tree = new SubTree(docId, subTreeId,
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startNodeId, endNodeId);
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// add this tree to the vector
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unReadableSubTreeList.add(tree);
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}//while
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}//try
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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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/** 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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}
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/** SAX Handler that is called at the end of each XML element */
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public void endElement(String uri, String localName,
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String qName) throws SAXException
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{
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MetaCatUtil.debugMessage("End ELEMENT " + qName, 50);
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}
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}
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