[Tm4j-commits] CVS: tm4j/src/com/techquila/topicmap/ozone OzoneXTMBuilder.java,NONE,1.1 OzoneXTMBuilderHelper.java,NONE,1.1 OzoneXTMBuilderHelperImpl.java,NONE,1.1

[Gerd M. <li...@us...>]

Update of /cvsroot/tm4j/tm4j/src/com/techquila/topicmap/ozone
In directory usw-pr-cvs1:/tmp/cvs-serv15598

Added Files:
	OzoneXTMBuilder.java OzoneXTMBuilderHelper.java 
	OzoneXTMBuilderHelperImpl.java 
Log Message:
- initial check in

--- NEW FILE: OzoneXTMBuilder.java ---
/*
 * You can redistribute this software and/or modify it under the terms of
 * the TM4J Software License published with this distribution.
 * 
 * Copyright (C) 2001 Khalil Ahmed, Gerd Mueller. All rights reserved.
 * 
 * $Id: OzoneXTMBuilder.java,v 1.1 2001/06/01 16:55:37 lilli Exp $
 */

package com.techquila.topicmap.ozone;

import org.ozoneDB.OzoneInterface;
import org.ozoneDB.ExternalDatabase;
import org.ozoneDB.xml.util.SAXChunkConsumer;
import org.ozoneDB.xml.util.SAXChunkProducer;
import org.ozoneDB.xml.util.SAXChunkProducerDelegate;

import com.techquila.topicmap.TopicMap;

import org.xml.sax.InputSource;
import org.xml.sax.helpers.ParserAdapter;

import org.apache.xerces.parsers.SAXParser;
//import javax.xml.parsers.SAXParser;
//import javax.xml.parsers.SAXParserFactory;

import java.io.File;


/** 
 *
 * @author <a href="mailto:ka...@te...">Kal Ahmed</a>
 * @author <a href="mailto:ge...@sm...">Gerd Mueller</a>
 */
public class OzoneXTMBuilder implements SAXChunkProducerDelegate {

    private OzoneInterface m_database = null;
    private OzoneXTMBuilderHelper m_helper = null;


    /** */
    public OzoneXTMBuilder( OzoneInterface database ) {
        m_database = database;
    }

    
    /** */
    public TopicMap buildTopicMap( InputSource input ) throws Exception {
        return buildTopicMap( input, null );
    }
    
    
    /** */
    public TopicMap buildTopicMap( InputSource input, TopicMap existingTopicMap ) throws Exception {
        m_helper = (OzoneXTMBuilderHelper)m_database
                .createObject( OzoneXTMBuilderHelperImpl.class.getName() );
        
        if (existingTopicMap != null) {
            m_helper.setTopicMap( existingTopicMap );
        }
        
        SAXChunkProducer producer = new SAXChunkProducer( this );

        SAXParser parser = new SAXParser(); //SAXParserFactory.newInstance().newSAXParser();
        //ParserAdapter adapter = new ParserAdapter( parser.getParser() );
        parser.setContentHandler( producer );
        parser.parse( input );
        
        TopicMap result = m_helper.getTopicMap();
        m_database.deleteObject( m_helper );
        
        return result;
    }

    
    /** */
    public void processChunk( SAXChunkProducer producer ) throws Exception {
        m_helper.putChunk( producer.chunkStream().toByteArray() );
    } 


    /** */    
    public static void main( String[] args ) throws Exception {
        
        if (args.length < 2) {
            System.out.println( "usage: java OzoneXTMBuilder <database URL> <XTM file>" );
            System.exit( 0 );
        }
        
        if (!new File( args[1] ).exists()) {
            System.out.println( "File '" + args[1] + "' doesn't exist !" );
            System.exit( 0 );
        }
        
        ExternalDatabase database = ExternalDatabase.openDatabase( args[0] );

        OzoneXTMBuilder builder = new OzoneXTMBuilder( database );
        
        TopicMap tm = (TopicMap)database.objectForName( "topicmap" );
        boolean newTMap = (tm == null);

        tm = builder.buildTopicMap( new InputSource( args[1] ), tm );
        
        if (newTMap) {
            database.nameObject( (OzoneTopicMap)tm, "topicmap" );
        }
        
        System.out.println( "   --> found " + tm.getTopicCount() + " topics" );
        
        database.close();
    }
    
}

--- NEW FILE: OzoneXTMBuilderHelper.java ---
/*
 * You can redistribute this software and/or modify it under the terms of
 * the TM4J Software License published with this distribution.
 * 
 * Copyright (C) 2001 Khalil Ahmed, Gerd Mueller. All rights reserved.
 * 
 * $Id: OzoneXTMBuilderHelper.java,v 1.1 2001/06/01 16:55:37 lilli Exp $
 */

package com.techquila.topicmap.ozone;

import org.ozoneDB.OzoneRemote;

import com.techquila.topicmap.TopicMap;

import org.xml.sax.SAXException;

import java.io.IOException;


/** 
 *
 * @author <a href="mailto:ka...@te...">Kal Ahmed</a>
 * @author <a href="mailto:ge...@sm...">Gerd Mueller</a>
 */
public interface OzoneXTMBuilderHelper extends OzoneRemote {

    /** */
    public void putChunk( byte[] chunkData ) throws SAXException, IOException; // update


    /** */
    public void setTopicMap( TopicMap topicMap ); // update


    /** */
    public TopicMap getTopicMap();

}

--- NEW FILE: OzoneXTMBuilderHelperImpl.java ---
/*
 * You can redistribute this software and/or modify it under the terms of
 * the TM4J Software License published with this distribution.
 * 
 * Copyright (C) 2001 Khalil Ahmed, Gerd Mueller. All rights reserved.
 * 
 * $Id: OzoneXTMBuilderHelperImpl.java,v 1.1 2001/06/01 16:55:37 lilli Exp $
 */

package com.techquila.topicmap.ozone;

import org.ozoneDB.OzoneObject;
import org.ozoneDB.xml.util.SAXChunkConsumer;

import com.techquila.topicmap.TopicMap;
import com.techquila.topicmap.utils.XTMParser;
import com.techquila.topicmap.utils.XTMBuilder;

import org.xml.sax.SAXException;

import java.io.IOException;


/** 
 *
 * @author <a href="mailto:ka...@te...">Kal Ahmed</a>
 * @author <a href="mailto:ge...@sm...">Gerd Mueller</a>
 */
public class OzoneXTMBuilderHelperImpl extends OzoneObject 
        implements OzoneXTMBuilderHelper {
     
    private TopicMap m_topicMap = null;

    transient private SAXChunkConsumer m_consumer = null;
    transient private XTMBuilder m_builder = null;
    
    
    /** */   
    public OzoneXTMBuilderHelperImpl() {
    }

    
    /** */
    public void putChunk( byte[] chunkData ) 
            throws SAXException, IOException {

        if (m_consumer == null) {
            m_builder = (m_topicMap == null) ?
                    new XTMBuilder( new OzoneTopicMapFactoryImpl( database() ) ) :
                    new XTMBuilder( m_topicMap );
            m_consumer = new SAXChunkConsumer( new XTMParser( m_builder ) );
        }
        
        m_consumer.processChunk( chunkData );
    } 


    /** */
    public void setTopicMap( TopicMap topicMap ) {
        if (!(topicMap instanceof OzoneTopicMap)) {
            throw new IllegalArgumentException( "setTopicMap(): Can't mix non ozone topicmap with ozone topicmap !" );
        }
        
        m_topicMap = topicMap;
    }


    /** */
    public TopicMap getTopicMap() {
        return m_builder.getTopicMap();
    }
            
}