testserialize.java

Java的面向对象数据库系统的源代码

/*
 * Copyright 2001 (C) MetaStuff, Ltd. All Rights Reserved.
 *
 * This software is open source.
 * See the bottom of this file for the licence.
 *
 * $Id: TestSerialize.java,v 1.3 2003/11/02 18:31:28 per_nyfelt Exp $
 *
 * This test does not really apply to the Ozone implementation
 * what good is it to serialize a Document proxy?
 */
package test.dom4j;

import junit.framework.Test;
import junit.framework.TestSuite;
import junit.textui.TestRunner;
import org.dom4j.Document;
import org.dom4j.Node;
import org.dom4j.XPath;
import org.ozoneDB.xml.dom4j.O3DocumentHelper;
import org.ozoneDB.xml.dom4j.OzoneDocumentFactory;
import org.ozoneDB.xml.dom4j.o3impl.OzoneDocumentFactoryImpl;

import java.io.*;
import java.util.HashMap;
import java.util.Map;

/** Tests that a dom4j document is Serializable
  *
  * @author <a href="mailto:[e-mail]">James Strachan</a>
  * @version $Revision: 1.3 $
  */
public class TestSerialize extends AbstractTestCase {

    protected static final boolean VERBOSE = false;


    public static void main( String[] args ) {
        TestRunner.run( suite() );
    }

    public static Test suite() {
        return new TestSuite( TestSerialize.class );
    }

    public TestSerialize(String name) {
        super(name);
    }

    // Test case(s)
    //-------------------------------------------------------------------------
    public void testSerializePeriodicTable() throws Exception {
        testSerialize( "xml/periodic_table.xml" );
    }

    public void testSerializeMuchAdo() throws Exception {
        testSerialize( "xml/much_ado.xml" );
    }

    public void testSerializeTestSchema() throws Exception {
        testSerialize( "xml/test/schema/personal.xsd" );
    }

    public void testSerializeXPath() throws Exception {
        Map uris = new HashMap();
        uris.put( "SOAP-ENV", "http://schemas.xmlsoap.org/soap/envelope/" );
        uris.put( "m", "urn:xmethodsBabelFish" );

        OzoneDocumentFactory factory = OzoneDocumentFactoryImpl.getInstance(db);
        factory.setXPathNamespaceURIs( uris );

        // Per: lets use the document helper here, using the SAXReader is too slow right now...
        // now parse a document using my factory
        //SAXReader reader = new O3SAXReader(db);
        //reader.setNodeFactory( factory );
        //Document doc = reader.read( "xml/soap.xml" );
        Document doc = O3DocumentHelper.parse(new FileInputStream("xml/soap.xml"));

        // now lets use the prefixes
        Node element = doc.selectSingleNode( "/SOAP-ENV:Envelope/SOAP-ENV:Body/m:BabelFish" );
        assertTrue( "Found valid element", element != null );

        XPath xpath = factory.createXPath( "/SOAP-ENV:Envelope/SOAP-ENV:Body/m:BabelFish" );
        element = xpath.selectSingleNode( doc );
        assertTrue( "Found valid element", element != null );

        // now serialize
        ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
        ObjectOutputStream out = new ObjectOutputStream( bytesOut );
        out.writeObject( xpath );
        out.close();

        byte[] data = bytesOut.toByteArray();

        ObjectInputStream in = new ObjectInputStream( new ByteArrayInputStream( data ) );
        XPath xpath2 = (XPath) in.readObject();
        in.close();

        element = xpath2.selectSingleNode( doc );
        assertTrue( "Found valid element", element != null );
    }

    // Implementation methods
    //-------------------------------------------------------------------------
    protected void testSerialize(String xmlFile) throws Exception {
        // Per: lets use the document helper here, using the SAXReader is too slow right now...
        //SAXReader reader = new O3SAXReader(db);
        //Document document = reader.read( xmlFile );
        Document document = O3DocumentHelper.parse(new FileInputStream(xmlFile) );
        String text = document.asXML();

        ByteArrayOutputStream bytesOut = new ByteArrayOutputStream();
        ObjectOutputStream out = new ObjectOutputStream( bytesOut );
        out.writeObject( document );
        out.close();

        byte[] data = bytesOut.toByteArray();

        ObjectInputStream in = new ObjectInputStream( new ByteArrayInputStream( data ) );
        Document doc2 = (Document) in.readObject();
        in.close();

        String text2 = doc2.asXML();

        assertEquals( "Documents text are equal", text, text2 );

        assertTrue( "Read back document after serialization", doc2 != null && doc2 instanceof Document );

        assertDocumentsEqual( document, doc2 );

        // now lets try add something to the document...

        doc2.getRootElement().addElement( "new" );
    }

    protected void setUp() throws Exception {
    }
}




/*
 * Redistribution and use of this software and associated documentation
 * ("Software"), with or without modification, are permitted provided
 * that the following conditions are met:
 *
 * 1. Redistributions of source code must retain copyright
 *    statements and notices.  Redistributions must also contain a
 *    copy of this document.
 *
 * 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 name "DOM4J" must not be used to endorse or promote
 *    products derived from this Software without prior written
 *    permission of MetaStuff, Ltd.  For written permission,
 *    please contact [e-mail].
 *
 * 4. Products derived from this Software may not be called "DOM4J"
 *    nor may "DOM4J" appear in their names without prior written
 *    permission of MetaStuff, Ltd. DOM4J is a registered
 *    trademark of MetaStuff, Ltd.
 *
 * 5. Due credit should be given to the DOM4J Project
 *    (http://dom4j.org/).
 *
 * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS
 * ``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
 * METASTUFF, LTD. 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 USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Copyright 2001 (C) MetaStuff, Ltd. All Rights Reserved.
 *
 * $Id: TestSerialize.java,v 1.3 2003/11/02 18:31:28 per_nyfelt Exp $
 */