/**
* 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 "Exolab" must not be used to endorse or promote
* products derived from this Software without prior written
* permission of Intalio, Inc. For written permission,
* please contact info@exolab.org.
*
* 4. Products derived from this Software may not be called "Exolab"
* nor may "Exolab" appear in their names without prior written
* permission of Intalio, Inc. Exolab is a registered
* trademark of Intalio, Inc.
*
* 5. Due credit should be given to the Exolab Project
* (http://www.exolab.org/).
*
* THIS SOFTWARE IS PROVIDED BY INTALIO, INC. 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
* INTALIO, INC. 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 1999 (C) Intalio, Inc. All Rights Reserved.
*
* $Id: Test.java,v 1.5 2005/12/13 21:58:48 rjoachim Exp $
*/
package servlet;
import org.xml.sax.InputSource;
import org.xml.sax.helpers.AttributeListImpl;
import java.util.Enumeration;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import org.exolab.castor.jdo.Database;
import org.exolab.castor.jdo.OQLQuery;
import org.exolab.castor.jdo.JDOManager;
import org.exolab.castor.xml.Marshaller;
/**
* @author <a href="arkin@intalio.com">Assaf Arkin</a>
* @version $Revision: 1.5 $ $Date: 2005/12/13 21:58:48 $
*/
public class Test extends XMLServlet {
/** SerialVersionUID */
private static final long serialVersionUID = 1415509713723598792L;
public static final String DatabaseFile = "/servlet/database.xml";
public void service( HttpServletRequest request, XMLServletResponse response )
throws ServletException
{
try {
JDOManager jdo;
Database db;
OQLQuery oql;
Object result;
Marshaller marshal;
// Set the output type and stylesheet
// response.setContentType( "text/html" );
response.setOutputMethod( "html" );
response.setStylesheet( new InputSource( getClass().getResourceAsStream( "xslt.xsl" ) ) );
// For XML document
/*
response.setContentType( "text/xml" );
*/
// Load the mapping from the specified filed, and Open up the
// database for read/write access
JDOManager.loadConfiguration(getClass().getResource( DatabaseFile ).toString());
jdo = JDOManager.createInstance ("test");
db = jdo.getDatabase();
// All ODMG database access requires a transaction
db.begin();
// Construct a new query to load all the products in the database
oql = db.getOQLQuery( "SELECT p FROM myapp.Product p" );
result = oql.execute();
marshal = new Marshaller( response.getDocumentHandler() );
// Print all the products as elements under the root element
// <products>, using the Marshaller.
response.getDocumentHandler().startDocument();
response.getDocumentHandler().startElement( "products", new AttributeListImpl() );
if ( result instanceof Enumeration ) {
Enumeration enumeration;
enumeration = (Enumeration) result;
while( enumeration.hasMoreElements() )
marshal.marshal( enumeration.nextElement() );
} else
marshal.marshal( result );
// Close the document, transaction and database.
response.getDocumentHandler().endElement( "products" );
response.getDocumentHandler().endDocument();
db.commit();
db.close();
} catch ( Exception except ) {
System.out.println( except );
except.printStackTrace();
throw new ServletException( except.toString() );
}
}
}