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jones
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/**
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203
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jones
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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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349
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jones
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* Release: @release@
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17
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jones
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*
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203
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jones
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* '$Author$'
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* '$Date$'
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* '$Revision$'
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669
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jones
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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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17
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jones
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*/
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75
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jones
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package edu.ucsb.nceas.metacat;
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51
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jones
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17
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jones
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import java.sql.*;
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638
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bojilova
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import java.io.StringReader;
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17
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jones
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import java.util.Stack;
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471
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bojilova
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import java.util.Vector;
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import java.util.Enumeration;
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18
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jones
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import java.util.EmptyStackException;
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17
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jones
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185
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jones
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import org.xml.sax.Attributes;
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import org.xml.sax.SAXException;
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204
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jones
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import org.xml.sax.SAXParseException;
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186
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jones
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import org.xml.sax.ext.DeclHandler;
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185
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jones
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import org.xml.sax.ext.LexicalHandler;
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import org.xml.sax.helpers.DefaultHandler;
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17
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jones
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31
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jones
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/**
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* A database aware Class implementing callback bethods for the SAX parser to
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47 |
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* call when processing the XML stream and generating events
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*/
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186
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jones
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public class DBSAXHandler extends DefaultHandler
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471
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bojilova
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implements LexicalHandler, DeclHandler, Runnable {
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17
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jones
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204
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jones
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private boolean atFirstElement;
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243
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jones
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private boolean processingDTD;
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204
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jones
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private String docname = null;
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135
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jones
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private String doctype;
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private String systemid;
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17
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jones
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private boolean stackCreated = false;
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471
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bojilova
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private Stack nodeStack;
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private Vector nodeIndex;
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private Connection conn = null;
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396
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jones
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private DocumentImpl currentDocument;
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185
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jones
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private DBSAXNode rootNode;
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471
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bojilova
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private String action = null;
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private String docid = null;
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private String user = null;
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645
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bojilova
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private String group = null;
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680
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bojilova
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private String pub = null;
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471
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bojilova
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private Thread xmlIndex;
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private boolean endDocument = false;
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549
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berkley
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private int serverCode = 1;
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17
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jones
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220
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jones
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private static final int MAXDATACHARS = 4000;
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691
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bojilova
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// DOCTITLE attr cleared from the db
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// private static final int MAXTITLELEN = 1000;
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220
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jones
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31
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jones
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/** Construct an instance of the handler class
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*
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* @param conn the JDBC connection to which information is written
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*/
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122
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jones
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public DBSAXHandler(Connection conn) {
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185
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jones
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this.conn = conn;
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204
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jones
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this.atFirstElement = true;
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243
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jones
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this.processingDTD = false;
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17
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jones
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185
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jones
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// Create the stack for keeping track of node context
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// if it doesn't already exist
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if (!stackCreated) {
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88 |
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nodeStack = new Stack();
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471
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bojilova
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nodeIndex = new Vector();
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185
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jones
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stackCreated = true;
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}
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17
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jones
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}
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549
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berkley
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203
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jones
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/** Construct an instance of the handler class
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*
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* @param conn the JDBC connection to which information is written
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425
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bojilova
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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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680
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bojilova
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* @param user the user connected to MetaCat servlet and owns the document
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* @param group the group to which user belongs
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* @param pub flag for public "read" access on document
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102 |
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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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203
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jones
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*/
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680
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bojilova
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public DBSAXHandler(Connection conn, String action, String docid,
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String user, String group, String pub, int serverCode)
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425
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bojilova
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{
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203
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jones
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this(conn);
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this.action = action;
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this.docid = docid;
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425
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bojilova
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this.user = user;
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645
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bojilova
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this.group = group;
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680
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bojilova
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this.pub = pub;
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this.serverCode = serverCode;
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471
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bojilova
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this.xmlIndex = new Thread(this);
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203
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jones
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}
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680
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bojilova
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// NOT USED ANY MORE
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// public DBSAXHandler(Connection conn,String action,String docid,
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// String user, String group)
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// {
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// this(conn);
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// this.action = action;
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// this.docid = docid;
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// this.user = user;
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// this.group = group;
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128 |
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// this.xmlIndex = new Thread(this);
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129 |
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// //this.xmlIndex.setPriority(Thread.MIN_PRIORITY);
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130 |
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// }
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203
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jones
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132 |
72
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bojilova
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/** SAX Handler that receives notification of beginning of the document */
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133 |
122
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jones
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public void startDocument() throws SAXException {
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203
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jones
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MetaCatUtil.debugMessage("start Document");
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185
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jones
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// Create the document node representation as root
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457
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bojilova
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rootNode = new DBSAXNode(conn, this.docid);
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185
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jones
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// Add the node to the stack, so that any text data can be
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139 |
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// added as it is encountered
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140 |
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nodeStack.push(rootNode);
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141 |
72
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bojilova
|
}
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142 |
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143 |
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/** SAX Handler that receives notification of end of the document */
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144 |
122
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jones
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public void endDocument() throws SAXException {
|
145 |
203
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jones
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MetaCatUtil.debugMessage("end Document");
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146 |
471
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bojilova
|
// Starting new thread for writing XML Index.
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147 |
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// It calls the run method of the thread.
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148 |
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try {
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149 |
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xmlIndex.start();
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150 |
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} catch (NullPointerException e) {
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151 |
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xmlIndex = null;
|
152 |
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throw new
|
153 |
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SAXException("Problem with starting thread for writing XML Index. " +
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154 |
|
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e.getMessage());
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155 |
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}
|
156 |
72
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bojilova
|
}
|
157 |
|
|
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158 |
185
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jones
|
/** SAX Handler that is called at the start of each XML element */
|
159 |
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public void startElement(String uri, String localName,
|
160 |
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String qName, Attributes atts)
|
161 |
|
|
throws SAXException {
|
162 |
203
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jones
|
MetaCatUtil.debugMessage("Start ELEMENT " + localName);
|
163 |
72
|
bojilova
|
|
164 |
203
|
jones
|
DBSAXNode parentNode = null;
|
165 |
|
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DBSAXNode currentNode = null;
|
166 |
17
|
jones
|
|
167 |
203
|
jones
|
// Get a reference to the parent node for the id
|
168 |
|
|
try {
|
169 |
|
|
parentNode = (DBSAXNode)nodeStack.peek();
|
170 |
|
|
} catch (EmptyStackException e) {
|
171 |
408
|
jones
|
parentNode = null;
|
172 |
203
|
jones
|
}
|
173 |
18
|
jones
|
|
174 |
203
|
jones
|
// Document representation that points to the root document node
|
175 |
204
|
jones
|
if (atFirstElement) {
|
176 |
|
|
atFirstElement = false;
|
177 |
203
|
jones
|
// If no DOCTYPE declaration: docname = root element name
|
178 |
|
|
if (docname == null) {
|
179 |
|
|
docname = localName;
|
180 |
204
|
jones
|
doctype = docname;
|
181 |
|
|
MetaCatUtil.debugMessage("DOCNAME-a: " + docname);
|
182 |
|
|
MetaCatUtil.debugMessage("DOCTYPE-a: " + doctype);
|
183 |
203
|
jones
|
} else if (doctype == null) {
|
184 |
204
|
jones
|
doctype = docname;
|
185 |
|
|
MetaCatUtil.debugMessage("DOCTYPE-b: " + doctype);
|
186 |
203
|
jones
|
}
|
187 |
|
|
rootNode.writeNodename(docname);
|
188 |
|
|
try {
|
189 |
697
|
bojilova
|
// for validated XML Documents store a reference to XML DB Catalog
|
190 |
|
|
String catalogid = null;
|
191 |
|
|
if ( systemid != null ) {
|
192 |
|
|
Statement stmt = conn.createStatement();
|
193 |
|
|
ResultSet rs = stmt.executeQuery(
|
194 |
|
|
"SELECT catalog_id FROM xml_catalog " +
|
195 |
|
|
"WHERE entry_type = 'DTD' " +
|
196 |
|
|
"AND public_id = '" + doctype + "'");
|
197 |
|
|
boolean hasRow = rs.next();
|
198 |
|
|
if ( hasRow ) {
|
199 |
|
|
catalogid = rs.getString(1);
|
200 |
|
|
}
|
201 |
|
|
stmt.close();
|
202 |
|
|
}
|
203 |
396
|
jones
|
currentDocument = new DocumentImpl(conn, rootNode.getNodeID(),
|
204 |
697
|
bojilova
|
docname, doctype, docid, action, user,
|
205 |
|
|
this.pub, catalogid, this.serverCode);
|
206 |
457
|
bojilova
|
} catch (Exception ane) {
|
207 |
675
|
berkley
|
throw (new SAXException("Error in DBSaxHandler.startElement " +
|
208 |
|
|
action, ane));
|
209 |
408
|
jones
|
}
|
210 |
203
|
jones
|
}
|
211 |
135
|
jones
|
|
212 |
203
|
jones
|
// Create the current node representation
|
213 |
457
|
bojilova
|
currentNode = new DBSAXNode(conn, localName, parentNode,
|
214 |
|
|
currentDocument.getRootNodeID(),docid,
|
215 |
|
|
currentDocument.getDoctype());
|
216 |
471
|
bojilova
|
|
217 |
203
|
jones
|
// Add all of the attributes
|
218 |
|
|
for (int i=0; i<atts.getLength(); i++) {
|
219 |
457
|
bojilova
|
currentNode.setAttribute(atts.getLocalName(i), atts.getValue(i), docid);
|
220 |
203
|
jones
|
}
|
221 |
17
|
jones
|
|
222 |
203
|
jones
|
// Add the node to the stack, so that any text data can be
|
223 |
|
|
// added as it is encountered
|
224 |
|
|
nodeStack.push(currentNode);
|
225 |
471
|
bojilova
|
// Add the node to the vector used by thread for writing XML Index
|
226 |
|
|
nodeIndex.addElement(currentNode);
|
227 |
|
|
|
228 |
203
|
jones
|
}
|
229 |
471
|
bojilova
|
|
230 |
|
|
// The run method of xmlIndex thread. It writes XML Index for the document.
|
231 |
|
|
public void run () {
|
232 |
|
|
DBSAXNode currNode = null;
|
233 |
|
|
DBSAXNode prevNode = null;
|
234 |
513
|
bojilova
|
Connection dbconn = null;
|
235 |
638
|
bojilova
|
String doctype = currentDocument.getDoctype();
|
236 |
471
|
bojilova
|
int step = 0;
|
237 |
|
|
int counter = 0;
|
238 |
17
|
jones
|
|
239 |
471
|
bojilova
|
try {
|
240 |
|
|
// Opening separate db connection for writing XML Index
|
241 |
|
|
MetaCatUtil util = new MetaCatUtil();
|
242 |
513
|
bojilova
|
dbconn = util.openDBConnection();
|
243 |
|
|
dbconn.setAutoCommit(false);
|
244 |
471
|
bojilova
|
|
245 |
|
|
// Going through the elements of the document and writing its Index
|
246 |
|
|
Enumeration nodes = nodeIndex.elements();
|
247 |
|
|
while ( nodes.hasMoreElements() ) {
|
248 |
|
|
currNode = (DBSAXNode)nodes.nextElement();
|
249 |
638
|
bojilova
|
currNode.updateNodeIndex(dbconn, docid, doctype);
|
250 |
471
|
bojilova
|
}
|
251 |
|
|
|
252 |
513
|
bojilova
|
dbconn.commit();
|
253 |
638
|
bojilova
|
|
254 |
483
|
berkley
|
//if this is a package file then write the package info to
|
255 |
523
|
berkley
|
//the xml_relation table. RelationHandler checks to see
|
256 |
483
|
berkley
|
//if it is a package file so you don't have to do it here.
|
257 |
638
|
bojilova
|
if ( doctype.equals(util.getOption("packagedoctype")) )
|
258 |
|
|
{
|
259 |
|
|
DocumentImpl xmldoc = new DocumentImpl(dbconn, docid);
|
260 |
|
|
RelationHandler rth = new RelationHandler(xmldoc, dbconn);
|
261 |
|
|
}
|
262 |
640
|
bojilova
|
else if ( doctype.equals(util.getOption("accessdoctype")) )
|
263 |
638
|
bojilova
|
{
|
264 |
|
|
DocumentImpl xmldoc = new DocumentImpl(dbconn, docid);
|
265 |
|
|
String xml = xmldoc.toString();
|
266 |
645
|
bojilova
|
try {
|
267 |
|
|
AccessControlList aclobj =
|
268 |
|
|
new AccessControlList(dbconn, docid, new StringReader(xml),
|
269 |
684
|
bojilova
|
user, group, serverCode);
|
270 |
645
|
bojilova
|
dbconn.commit();
|
271 |
|
|
} catch (SAXException e) {
|
272 |
|
|
try {
|
273 |
|
|
dbconn.rollback();
|
274 |
|
|
dbconn.close();
|
275 |
|
|
} catch (SQLException sqle) {}
|
276 |
675
|
berkley
|
System.out.println("Error writing ACL in DBSaxHandler.run " +
|
277 |
|
|
e.getMessage());
|
278 |
645
|
bojilova
|
}
|
279 |
638
|
bojilova
|
}
|
280 |
483
|
berkley
|
|
281 |
638
|
bojilova
|
|
282 |
513
|
bojilova
|
dbconn.close();
|
283 |
483
|
berkley
|
|
284 |
471
|
bojilova
|
} catch (Exception e) {
|
285 |
|
|
try {
|
286 |
513
|
bojilova
|
dbconn.rollback();
|
287 |
|
|
dbconn.close();
|
288 |
471
|
bojilova
|
} catch (SQLException sqle) {}
|
289 |
675
|
berkley
|
System.out.println("Error writing XML Index in DBSaxHandler.run " +
|
290 |
|
|
e.getMessage());
|
291 |
471
|
bojilova
|
}
|
292 |
|
|
}
|
293 |
|
|
|
294 |
460
|
bojilova
|
/** SAX Handler that is called for each XML text node */
|
295 |
|
|
public void characters(char[] cbuf, int start, int len) throws SAXException {
|
296 |
203
|
jones
|
MetaCatUtil.debugMessage("CHARACTERS");
|
297 |
186
|
jones
|
DBSAXNode currentNode = (DBSAXNode)nodeStack.peek();
|
298 |
220
|
jones
|
String data = null;
|
299 |
|
|
int leftover = len;
|
300 |
|
|
int offset = start;
|
301 |
|
|
boolean moredata = true;
|
302 |
|
|
|
303 |
|
|
// This loop deals with the case where there are more characters
|
304 |
|
|
// than can fit in a single database text field (limit is
|
305 |
|
|
// MAXDATACHARS). If the text to be inserted exceeds MAXDATACHARS,
|
306 |
|
|
// write a series of nodes that are MAXDATACHARS long, and then the
|
307 |
|
|
// final node contains the remainder
|
308 |
|
|
while (moredata) {
|
309 |
|
|
if (leftover > MAXDATACHARS) {
|
310 |
|
|
data = new String(cbuf, offset, MAXDATACHARS);
|
311 |
|
|
leftover -= MAXDATACHARS;
|
312 |
|
|
offset += MAXDATACHARS;
|
313 |
|
|
} else {
|
314 |
|
|
data = new String(cbuf, offset, leftover);
|
315 |
|
|
moredata = false;
|
316 |
|
|
}
|
317 |
122
|
jones
|
|
318 |
220
|
jones
|
// Write the content of the node to the database
|
319 |
457
|
bojilova
|
currentNode.writeChildNodeToDB("TEXT", null, data, docid);
|
320 |
220
|
jones
|
}
|
321 |
460
|
bojilova
|
|
322 |
691
|
bojilova
|
// DOCTITLE attr cleared from the db
|
323 |
|
|
// // write the title of document if there are tag <title>
|
324 |
|
|
// if ( currentNode.getTagName().equals("title") ) {
|
325 |
|
|
// if ( leftover > MAXTITLELEN )
|
326 |
|
|
// currentDocument.setTitle(new String(cbuf, start, MAXTITLELEN));
|
327 |
|
|
// else
|
328 |
|
|
// currentDocument.setTitle(new String(cbuf, start, leftover));
|
329 |
|
|
// }
|
330 |
17
|
jones
|
}
|
331 |
|
|
|
332 |
31
|
jones
|
/**
|
333 |
660
|
bojilova
|
* SAX Handler that is called for each XML text node that is
|
334 |
|
|
* Ignorable white space
|
335 |
31
|
jones
|
*/
|
336 |
660
|
bojilova
|
public void ignorableWhitespace(char[] cbuf, int start, int len)
|
337 |
|
|
throws SAXException {
|
338 |
|
|
// When validation is turned "on", white spaces are reported here
|
339 |
|
|
// When validation is turned "off" white spaces are not reported here,
|
340 |
|
|
// but through characters() callback
|
341 |
203
|
jones
|
MetaCatUtil.debugMessage("IGNORABLEWHITESPACE");
|
342 |
660
|
bojilova
|
//System.out.println("Whitespace:" + len + "x" + new String(cbuf, start, len) + "x");
|
343 |
|
|
|
344 |
|
|
DBSAXNode currentNode = (DBSAXNode)nodeStack.peek();
|
345 |
|
|
String data = null;
|
346 |
|
|
int leftover = len;
|
347 |
|
|
int offset = start;
|
348 |
|
|
boolean moredata = true;
|
349 |
|
|
|
350 |
|
|
// This loop deals with the case where there are more characters
|
351 |
|
|
// than can fit in a single database text field (limit is
|
352 |
|
|
// MAXDATACHARS). If the text to be inserted exceeds MAXDATACHARS,
|
353 |
|
|
// write a series of nodes that are MAXDATACHARS long, and then the
|
354 |
|
|
// final node contains the remainder
|
355 |
|
|
while (moredata) {
|
356 |
|
|
if (leftover > MAXDATACHARS) {
|
357 |
|
|
data = new String(cbuf, offset, MAXDATACHARS);
|
358 |
|
|
leftover -= MAXDATACHARS;
|
359 |
|
|
offset += MAXDATACHARS;
|
360 |
|
|
} else {
|
361 |
|
|
data = new String(cbuf, offset, leftover);
|
362 |
|
|
moredata = false;
|
363 |
|
|
}
|
364 |
|
|
|
365 |
|
|
// Write the content of the node to the database
|
366 |
|
|
currentNode.writeChildNodeToDB("TEXT", null, data, docid);
|
367 |
|
|
}
|
368 |
17
|
jones
|
}
|
369 |
|
|
|
370 |
122
|
jones
|
/**
|
371 |
|
|
* SAX Handler called once for each processing instruction found:
|
372 |
|
|
* node that PI may occur before or after the root element.
|
373 |
|
|
*/
|
374 |
|
|
public void processingInstruction(String target, String data)
|
375 |
|
|
throws SAXException {
|
376 |
203
|
jones
|
MetaCatUtil.debugMessage("PI");
|
377 |
186
|
jones
|
DBSAXNode currentNode = (DBSAXNode)nodeStack.peek();
|
378 |
457
|
bojilova
|
currentNode.writeChildNodeToDB("PI", target, data, docid);
|
379 |
92
|
bojilova
|
}
|
380 |
72
|
bojilova
|
|
381 |
31
|
jones
|
/** SAX Handler that is called at the end of each XML element */
|
382 |
185
|
jones
|
public void endElement(String uri, String localName,
|
383 |
|
|
String qName) throws SAXException {
|
384 |
203
|
jones
|
MetaCatUtil.debugMessage("End ELEMENT " + localName);
|
385 |
17
|
jones
|
|
386 |
185
|
jones
|
// Get the node from the stack
|
387 |
|
|
DBSAXNode currentNode = (DBSAXNode)nodeStack.pop();
|
388 |
17
|
jones
|
}
|
389 |
|
|
|
390 |
185
|
jones
|
//
|
391 |
|
|
// the next section implements the LexicalHandler interface
|
392 |
|
|
//
|
393 |
|
|
|
394 |
|
|
/** SAX Handler that receives notification of DOCTYPE. Sets the DTD */
|
395 |
|
|
public void startDTD(String name, String publicId, String systemId)
|
396 |
|
|
throws SAXException {
|
397 |
|
|
docname = name;
|
398 |
|
|
doctype = publicId;
|
399 |
|
|
systemid = systemId;
|
400 |
|
|
|
401 |
697
|
bojilova
|
//System.out.println("Start DTD");
|
402 |
|
|
//System.out.println("DOCNAME: " + docname);
|
403 |
|
|
//System.out.println("DOCTYPE: " + doctype);
|
404 |
|
|
//System.out.println(" SYSID: " + systemid);
|
405 |
|
|
|
406 |
204
|
jones
|
MetaCatUtil.debugMessage("Start DTD");
|
407 |
203
|
jones
|
MetaCatUtil.debugMessage("DOCNAME: " + docname);
|
408 |
|
|
MetaCatUtil.debugMessage("DOCTYPE: " + doctype);
|
409 |
|
|
MetaCatUtil.debugMessage(" SYSID: " + systemid);
|
410 |
185
|
jones
|
}
|
411 |
|
|
|
412 |
|
|
/**
|
413 |
|
|
* SAX Handler that receives notification of end of DTD
|
414 |
|
|
*/
|
415 |
|
|
public void endDTD() throws SAXException {
|
416 |
697
|
bojilova
|
|
417 |
|
|
//System.out.println("end DTD");
|
418 |
204
|
jones
|
MetaCatUtil.debugMessage("end DTD");
|
419 |
185
|
jones
|
}
|
420 |
|
|
|
421 |
|
|
/**
|
422 |
|
|
* SAX Handler that receives notification of comments in the DTD
|
423 |
|
|
*/
|
424 |
|
|
public void comment(char[] ch, int start, int length) throws SAXException {
|
425 |
203
|
jones
|
MetaCatUtil.debugMessage("COMMENT");
|
426 |
660
|
bojilova
|
if ( !processingDTD ) {
|
427 |
|
|
DBSAXNode currentNode = (DBSAXNode)nodeStack.peek();
|
428 |
|
|
currentNode.writeChildNodeToDB("COMMENT", null, new String(ch), docid);
|
429 |
|
|
}
|
430 |
185
|
jones
|
}
|
431 |
|
|
|
432 |
|
|
/**
|
433 |
|
|
* SAX Handler that receives notification of the start of CDATA sections
|
434 |
|
|
*/
|
435 |
|
|
public void startCDATA() throws SAXException {
|
436 |
203
|
jones
|
MetaCatUtil.debugMessage("start CDATA");
|
437 |
185
|
jones
|
}
|
438 |
|
|
|
439 |
|
|
/**
|
440 |
|
|
* SAX Handler that receives notification of the end of CDATA sections
|
441 |
|
|
*/
|
442 |
|
|
public void endCDATA() throws SAXException {
|
443 |
203
|
jones
|
MetaCatUtil.debugMessage("end CDATA");
|
444 |
185
|
jones
|
}
|
445 |
|
|
|
446 |
|
|
/**
|
447 |
|
|
* SAX Handler that receives notification of the start of entities
|
448 |
|
|
*/
|
449 |
|
|
public void startEntity(String name) throws SAXException {
|
450 |
243
|
jones
|
MetaCatUtil.debugMessage("start ENTITY: " + name);
|
451 |
697
|
bojilova
|
//System.out.println("start ENTITY: " + name);
|
452 |
243
|
jones
|
if (name.equals("[dtd]")) {
|
453 |
|
|
processingDTD = true;
|
454 |
|
|
}
|
455 |
185
|
jones
|
}
|
456 |
|
|
|
457 |
|
|
/**
|
458 |
|
|
* SAX Handler that receives notification of the end of entities
|
459 |
|
|
*/
|
460 |
|
|
public void endEntity(String name) throws SAXException {
|
461 |
243
|
jones
|
MetaCatUtil.debugMessage("end ENTITY: " + name);
|
462 |
697
|
bojilova
|
//System.out.println("end ENTITY: " + name);
|
463 |
243
|
jones
|
if (name.equals("[dtd]")) {
|
464 |
|
|
processingDTD = false;
|
465 |
|
|
}
|
466 |
185
|
jones
|
}
|
467 |
186
|
jones
|
|
468 |
|
|
/**
|
469 |
|
|
* SAX Handler that receives notification of element declarations
|
470 |
|
|
*/
|
471 |
|
|
public void elementDecl(String name, String model)
|
472 |
|
|
throws org.xml.sax.SAXException {
|
473 |
697
|
bojilova
|
//System.out.println("ELEMENTDECL: " + name + " " + model);
|
474 |
243
|
jones
|
MetaCatUtil.debugMessage("ELEMENTDECL: " + name + " " + model);
|
475 |
186
|
jones
|
}
|
476 |
|
|
|
477 |
|
|
/**
|
478 |
|
|
* SAX Handler that receives notification of attribute declarations
|
479 |
|
|
*/
|
480 |
|
|
public void attributeDecl(String eName, String aName,
|
481 |
|
|
String type, String valueDefault, String value)
|
482 |
|
|
throws org.xml.sax.SAXException {
|
483 |
697
|
bojilova
|
//System.out.println("ATTRIBUTEDECL: " + eName + " "
|
484 |
|
|
// + aName + " " + type + " " + valueDefault + " "
|
485 |
|
|
// + value);
|
486 |
243
|
jones
|
MetaCatUtil.debugMessage("ATTRIBUTEDECL: " + eName + " "
|
487 |
|
|
+ aName + " " + type + " " + valueDefault + " "
|
488 |
|
|
+ value);
|
489 |
186
|
jones
|
}
|
490 |
|
|
|
491 |
|
|
/**
|
492 |
|
|
* SAX Handler that receives notification of internal entity declarations
|
493 |
|
|
*/
|
494 |
|
|
public void internalEntityDecl(String name, String value)
|
495 |
|
|
throws org.xml.sax.SAXException {
|
496 |
697
|
bojilova
|
//System.out.println("INTERNENTITYDECL: " + name + " " + value);
|
497 |
243
|
jones
|
MetaCatUtil.debugMessage("INTERNENTITYDECL: " + name + " " + value);
|
498 |
186
|
jones
|
}
|
499 |
|
|
|
500 |
|
|
/**
|
501 |
|
|
* SAX Handler that receives notification of external entity declarations
|
502 |
|
|
*/
|
503 |
|
|
public void externalEntityDecl(String name, String publicId,
|
504 |
|
|
String systemId)
|
505 |
|
|
throws org.xml.sax.SAXException {
|
506 |
697
|
bojilova
|
//System.out.println("EXTERNENTITYDECL: " + name + " " + publicId
|
507 |
|
|
// + " " + systemId);
|
508 |
243
|
jones
|
MetaCatUtil.debugMessage("EXTERNENTITYDECL: " + name + " " + publicId
|
509 |
|
|
+ " " + systemId);
|
510 |
186
|
jones
|
}
|
511 |
|
|
|
512 |
204
|
jones
|
//
|
513 |
|
|
// the next section implements the ErrorHandler interface
|
514 |
|
|
//
|
515 |
186
|
jones
|
|
516 |
204
|
jones
|
/**
|
517 |
|
|
* SAX Handler that receives notification of fatal parsing errors
|
518 |
|
|
*/
|
519 |
|
|
public void fatalError(SAXParseException exception) throws SAXException {
|
520 |
|
|
MetaCatUtil.debugMessage("FATALERROR");
|
521 |
|
|
throw (new SAXException("Fatal processing error.", exception));
|
522 |
|
|
}
|
523 |
|
|
|
524 |
|
|
/**
|
525 |
|
|
* SAX Handler that receives notification of recoverable parsing errors
|
526 |
|
|
*/
|
527 |
|
|
public void error(SAXParseException exception) throws SAXException {
|
528 |
|
|
MetaCatUtil.debugMessage("ERROR");
|
529 |
660
|
bojilova
|
throw (new SAXException("Processing error.", exception));
|
530 |
204
|
jones
|
}
|
531 |
|
|
|
532 |
|
|
/**
|
533 |
|
|
* SAX Handler that receives notification of warnings
|
534 |
|
|
*/
|
535 |
|
|
public void warning(SAXParseException exception) throws SAXException {
|
536 |
530
|
jones
|
MetaCatUtil.debugMessage("WARNING");
|
537 |
660
|
bojilova
|
throw (new SAXException("Warning.", exception));
|
538 |
204
|
jones
|
}
|
539 |
|
|
|
540 |
|
|
//
|
541 |
|
|
// Helper, getter and setter methods
|
542 |
|
|
//
|
543 |
|
|
|
544 |
|
|
/**
|
545 |
|
|
* get the document name
|
546 |
|
|
*/
|
547 |
|
|
public String getDocname() {
|
548 |
|
|
return docname;
|
549 |
|
|
}
|
550 |
|
|
|
551 |
|
|
/**
|
552 |
|
|
* get the document processing state
|
553 |
|
|
*/
|
554 |
243
|
jones
|
public boolean processingDTD() {
|
555 |
|
|
return processingDTD;
|
556 |
204
|
jones
|
}
|
557 |
17
|
jones
|
}
|