/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2001 The Apache Software Foundation. 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
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache Jetspeed" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache" or
* "Apache Jetspeed", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* 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 APACHE SOFTWARE FOUNDATION 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.jetspeed.services.psmlmanager.db;
//Castor defined API
import org.apache.jetspeed.om.profile.Portlets;
//turbine stuff
import org.apache.turbine.util.Log;
//castor support
import org.exolab.castor.xml.Unmarshaller;
import org.exolab.castor.xml.Marshaller;
import org.exolab.castor.xml.MarshalException;
import org.exolab.castor.mapping.Mapping;
import org.exolab.castor.mapping.MappingException;
import org.exolab.castor.xml.ValidationException;
//standard java stuff
import java.io.Reader;
import java.io.StringReader;
import java.io.StringWriter;
import java.io.IOException;
/**
* This is a utility class used for database PSML implementation.
*
* @author <a href="mailto:adambalk@cisco.com">Atul Dambalkar</a>
* @version $Id: DBUtils.java,v 1.4 2002/03/25 07:33:32 taylor Exp $
*/
public class DBUtils
{
/** Deserialize a PSML structure read from bytes array using Castor
* XML unmarshaller
*
* @param portletBytes Bytes array to load the PSML from
* @return PSML structure Portlets object
*/
public static Portlets bytesToPortlets(byte[] portletBytes, Mapping mapping)
{
Reader reader = new StringReader(new String(portletBytes));
try
{
Unmarshaller unmarshaller = new Unmarshaller((Mapping)mapping);
return (Portlets)unmarshaller.unmarshal(reader);
// return Portlets.unmarshal(reader);
}
catch (MarshalException e)
{
Log.error("PSMLManager: Could not unmarshal the inputstream ", e);
}
catch (MappingException e)
{
Log.error("PSMLManager: Could not unmarshal the inputstream ", e);
}
catch (ValidationException e)
{
Log.error("PSMLManager: document is not valid", e);
}
finally
{
try { reader.close(); }
catch (IOException e) { Log.error("", e); }
}
return null; // control shouldn't arrive here
}
/** Serialize a PSML structure using string writer with Castor XML
* marshaller, put it in bytes array and return it.
*
* @param portlets the structure to convert to bytes array
* @return Bytes array object for portles
*/
public static byte[] portletsToBytes(Portlets portlets, Mapping mapping)
{
if (portlets == null)
{
String message = "PSMLManager: Must specify portlets";
Log.error( message );
throw new IllegalArgumentException( message );
}
StringWriter writer = new StringWriter();
try
{
// portlets.marshal(writer);
Marshaller marshaller = new Marshaller(writer);
marshaller.setMapping(mapping);
marshaller.marshal(portlets);
Log.debug("Portlets: " + writer.toString());
/**** Platform's default character encoding will be used ****/
return writer.toString().getBytes();
}
catch (MarshalException e)
{
Log.error("PSMLManager: Could not marshal the stringwriter ", e);
}
catch (IOException e)
{
Log.error("PSMLManager: Could not marshal the stringwriter ", e);
}
catch (MappingException e)
{
Log.error("PSMLManager: Could not marshal the stringwriter ", e);
}
catch (ValidationException e)
{
Log.error("PSMLManager: document is not valid", e);
}
finally
{
try { writer.close(); }
catch (IOException e) { Log.error("", e); }
}
return null; // control shouldn't arrive here
}
}