/*
* JBoss, Home of Professional Open Source
* Copyright 2006, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.deployers.vfs.spi.deployer;
import java.io.InputStream;
import java.util.Map;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.Unmarshaller;
import org.jboss.deployers.vfs.spi.structure.VFSDeploymentUnit;
import org.jboss.virtual.VirtualFile;
import org.xml.sax.InputSource;
/**
* JAXBDeployer.
*
* @param <T> the expected type
* @author <a href="adrian@jboss.com">Adrian Brock</a>
* @version $Revision: 1.1 $
*/
public abstract class JAXBDeployer<T> extends AbstractVFSParsingDeployer<T>
{
/** The JAXBContext */
private JAXBContext context;
/** The properties */
private Map<String, Object> properties;
/**
* Create a new JAXBDeployer.
*
* @param output the output
* @throws IllegalArgumentException for a null output
*/
public JAXBDeployer(Class<T> output)
{
super(output);
}
/**
* Get the properties.
*
* @return the properties.
*/
public Map<String, Object> getProperties()
{
return properties;
}
/**
* Set the properties.
*
* @param properties the properties.
*/
public void setProperties(Map<String, Object> properties)
{
this.properties = properties;
}
/**
* Create lifecycle
*
* @throws Exception for any problem
*/
public void create() throws Exception
{
if (properties != null)
context = JAXBContext.newInstance(new Class[] { getOutput() }, properties);
else
context = JAXBContext.newInstance(getOutput());
}
/**
* Destroy lifecycle
*/
public void destroy()
{
context = null;
}
@Override
protected T parse(VFSDeploymentUnit unit, VirtualFile file, T root) throws Exception
{
Unmarshaller unmarshaller = context.createUnmarshaller();
InputStream is = openStreamAndValidate(file);
try
{
InputSource source = new InputSource(is);
source.setSystemId(file.toURI().toString());
Object o = unmarshaller.unmarshal(source);
return getOutput().cast(o);
}
finally
{
try
{
is.close();
}
catch (Exception ignored)
{
}
}
}
}