/*
* Copyright (C) 2009 eXo Platform SAS.
*
* 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.exoplatform.services.jcr.ext.resource;
import org.exoplatform.common.util.HierarchicalProperty;
import org.exoplatform.services.jcr.impl.Constants;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import java.io.IOException;
import java.io.InputStream;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;
import java.util.ArrayList;
import java.util.Collection;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import javax.jcr.UnsupportedRepositoryOperationException;
/**
* Created by The eXo Platform SAS .
*
* @author Gennady Azarenkov
* @version $Id: $
*/
public abstract class AbstractXMLViewNodeRepresentation implements NodeRepresentation
{
/**
* Logger.
*/
private static final Log LOG = ExoLogger.getLogger("exo.jcr.component.ext.AbstractXMLViewNodeRepresentation");
private Node node;
protected boolean isSystem;
/**
* AbstractXMLViewNodeRepresentation.
*
* @param node
*/
protected AbstractXMLViewNodeRepresentation(Node node)
{
this.node = node;
}
/* (non-Javadoc)
* @see org.exoplatform.services.jcr.ext.resource.NodeRepresentation#getContentEncoding()
*/
public String getContentEncoding()
{
return Constants.DEFAULT_ENCODING;
}
/* (non-Javadoc)
* @see org.exoplatform.services.jcr.ext.resource.NodeRepresentation#getContentLenght()
*/
public long getContentLenght() throws RepositoryException
{
return -1;
}
/*
* (non-Javadoc)
*
* @see org.exoplatform.services.jcr.ext.resource.NodeRepresentation#getMediaType()
*/
public String getMediaType() throws RepositoryException
{
return "text/xml";
}
/*
* (non-Javadoc)
*
* @see org.exoplatform.services.jcr.ext.resource.NodeRepresentation#getLastModified()
*/
public long getLastModified() throws RepositoryException
{
return 0;
}
/*
* (non-Javadoc)
*
* @see org.exoplatform.services.jcr.ext.resource.NodeRepresentation#getProperty(java.lang.String)
*/
public HierarchicalProperty getProperty(String name) throws RepositoryException
{
return null;
}
/*
* (non-Javadoc)
*
* @see org.exoplatform.services.jcr.ext.resource.NodeRepresentation#getProperty(java.lang.String)
*/
public Collection<HierarchicalProperty> getProperties(String name) throws RepositoryException
{
return null;
}
/*
* (non-Javadoc)
*
* @see org.exoplatform.services.jcr.ext.resource.NodeRepresentation#getPropertyNames()
*/
public Collection<String> getPropertyNames() throws RepositoryException
{
return new ArrayList<String>();
}
/* (non-Javadoc)
* @see org.exoplatform.services.jcr.ext.resource.NodeRepresentation#getInputStream()
*/
public InputStream getInputStream() throws IOException, RepositoryException
{
final PipedInputStream pin = new PipedInputStream();
final PipedOutputStream pout = new PipedOutputStream(pin);
try
{
new Thread()
{
/*
* (non-Javadoc)
*
* @see java.lang.Thread#run()
*/
public void run()
{
try
{
if (isSystem)
{
node.getSession().exportSystemView(node.getPath(), pout, false, false);
}
else
{
node.getSession().exportDocumentView(node.getPath(), pout, false, false);
}
}
catch (Exception e)
{
if (LOG.isTraceEnabled())
{
LOG.trace("An exception occurred: " + e.getMessage());
}
}
finally
{
try
{
pout.flush();
pout.close();
}
catch (Exception e)
{
if (LOG.isTraceEnabled())
{
LOG.trace("An exception occurred: " + e.getMessage());
}
}
}
}
}.start();
return pin;
}
catch (Exception e)
{
LOG.error(e.getLocalizedMessage(), e);
throw new IOException("can't get input stream", e);
}
}
/*
* (non-Javadoc)
*
* @see org.exoplatform.services.jcr.ext.resource.NodeRepresentation#getNode()
*/
public Node getNode()
{
return node;
}
/* (non-Javadoc)
* @see org.exoplatform.services.jcr.ext.resource.NodeRepresentation#addProperties(java.lang.String, java.util.Collection)
*/
public void addProperties(Collection<HierarchicalProperty> properties)
throws UnsupportedRepositoryOperationException
{
throw new UnsupportedRepositoryOperationException();
}
/**
* {@inheritDoc}
*/
public void addProperty(HierarchicalProperty property) throws UnsupportedRepositoryOperationException
{
throw new UnsupportedRepositoryOperationException();
}
/**
* {@inheritDoc}
*/
public void removeProperty(String name) throws UnsupportedRepositoryOperationException
{
throw new UnsupportedRepositoryOperationException();
}
}