[Tm4j-commits] tm4j/src/org/tm4j/topicmap/test XTMRoundTripTest.java,NONE,1.1

[<kal...@pr...>]

Update of /cvsroot/tm4j/tm4j/src/org/tm4j/topicmap/test
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv3465/test

Added Files:
	XTMRoundTripTest.java 
Log Message:
Implemented improved roundtripping (RFE 636513]. Writer now optionally writes stub topics as references only.

--- NEW FILE: XTMRoundTripTest.java ---
/*
 * The TM4J Software License
 *
 *
 * Copyright (c) 2000-2004 The TM4J Project. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by
 *        The TM4J Project (http://sourceforge.net/projects/tm4j)
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "TM4J" and "The TM4J Project" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact ka...@te....
 *
 * 5. Products derived from this software may not be called "TM4J",
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 *    permission of the TM4J Project.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE TM4J PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * ====================================================================
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/*
 *$Header: /cvsroot/tm4j/tm4j/src/org/tm4j/topicmap/test/XTMRoundTripTest.java,v 1.1 2004/01/30 23:59:20 kal_ahmed Exp $
 */
 
package org.tm4j.topicmap.test;

import java.io.File;
import java.io.FileOutputStream;
import java.util.HashSet;
import java.util.Set;

import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;

import org.apache.xml.serialize.OutputFormat;
import org.apache.xml.serialize.Serializer;
import org.apache.xml.serialize.XMLSerializer;
import org.tm4j.net.Locator;
import org.tm4j.test.ConfigurableBackendTest;
import org.tm4j.topicmap.TopicMap;
import org.tm4j.topicmap.TopicMapProvider;
import org.tm4j.topicmap.utils.TopicMapWalker;
import org.tm4j.topicmap.utils.XTMWriter;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;

/**
 * 
 * @author Kal Ahmed (ka...@te...)
 */
public class XTMRoundTripTest extends ConfigurableBackendTest {

    /**
     * @param _name
     */
    public XTMRoundTripTest(String _name) {
        super(_name);
    }

    private void writeMap(TopicMap tm, String fileName) {
        try {
            FileOutputStream out = new FileOutputStream(fileName);
            XTMWriter writer = new XTMWriter();
            writer.setProperty(XTMWriter.OPTION_WRITE_STUB_TOPICS, "no");
            OutputFormat of = new OutputFormat();
            of.setIndenting(true);
            of.setIndent(2);

            Serializer ser = new XMLSerializer(of);
            TopicMapWalker walker = new TopicMapWalker();
            ser.setOutputByteStream(out);
            writer.setContentHandler(ser.asContentHandler());
            walker.setHandler(writer);
            walker.walk(tm);
        } catch (Exception ex) {
            ex.printStackTrace();
            fail("Unexpected exception: " + ex.toString());
        }
    }

    public void testRoundTripMap() {
        try {
            TopicMap tm = this.getTopicMap("roundtrip_test");
            writeMap(tm, "roundtrip.xtm");

            TopicMapProvider proivder = this.getProvider();
            File tmFile = new File("roundtrip.xtm");
            Locator loc = provider.getLocatorFactory().createLocator("URI",
                    tmFile.toURL().toString());
            cleanOutTopicMap(loc, provider);
            
            SAXParserFactory spf = SAXParserFactory.newInstance();
            spf.setValidating(false);
            spf.setNamespaceAware(true);
            SAXParser p = spf.newSAXParser();
            TestHandler h = new TestHandler();
            p.parse(tmFile, h);
            
            Locator ref1 = tm.getBaseLocator().resolveRelative("refmap.xtm#ref1");
            String ref2 = "http://www.tm4j.org/psi/test1";
            assertTrue("Expected SubjectIndicator '" + ref1.getAddress() + "' to be round-tripped.",
                h.address.contains(ref1.getAddress()));
            assertTrue("Expected external topic reference '" + ref2 + "' to be round-tripped.",
                h.si.contains(ref2)); 
            assertEquals("Unexpected topic element count.", 2, h.topicCount);
            
        } catch (Exception ex) {
            ex.printStackTrace();
            fail("Unexpected exception: " + ex.toString());
        }
    }
    
    class TestHandler extends DefaultHandler
    {
        private Set si;
        private Set address;
        private boolean inTopicRef = false;
        private int topicCount;
        private String XLINK = "http://www.w3.org/1999/xlink";
        public TestHandler() {
            si = new HashSet();
            address = new HashSet();
            topicCount = 0;
        }
        
        public void startElement(
            String nsuri,
            String lname,
            String qname,
            Attributes atts)
            throws SAXException 
        {
            if (lname.equals("topic")) {
                topicCount++;
                return;
            }
            if (inTopicRef) {
                if (lname.equals("subjectIndicatorRef")) {
                    String ref = atts.getValue(XLINK, "href");
                    si.add(atts.getValue(XLINK, "href"));
                } else if (lname.equals("topicRef")) {
                    String ref = atts.getValue(XLINK, "href");
                    address.add(atts.getValue(XLINK, "href"));
                }
            } else if (lname.equals("instanceOf") || lname.equals("scope") || lname.equals("parameters") || lname.equals("member")) {
                inTopicRef = true;
            }
        }
        
        public void endElement(String lname, String nsuri, String qname) 
        {
            if (lname.equals("instanceOf") || lname.equals("scope") || lname.equals("parameters") || lname.equals("member")) {
                inTopicRef = false;
            }
        }
    }
}


/*
 * $Log: XTMRoundTripTest.java,v $
 * Revision 1.1  2004/01/30 23:59:20  kal_ahmed
 * Implemented improved roundtripping (RFE 636513]. Writer now optionally writes stub topics as references only.
 *
 */