/*
* 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.dataflow.persistent;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import javax.jcr.RepositoryException;
import org.exoplatform.services.jcr.access.AccessControlList;
import org.exoplatform.services.jcr.dataflow.ItemDataVisitor;
import org.exoplatform.services.jcr.datamodel.IllegalNameException;
import org.exoplatform.services.jcr.datamodel.InternalQName;
import org.exoplatform.services.jcr.datamodel.NodeData;
import org.exoplatform.services.jcr.datamodel.QPath;
import org.exoplatform.services.jcr.impl.Constants;
/**
* Created by The eXo Platform SAS.<br>
*
* Immutable NodeData from persistense storage
*
* @author <a href="mailto:gennady.azarenkov@exoplatform.com">Gennady Azarenkov</a>
* @version $Id$
*/
public class PersistedNodeData extends PersistedItemData implements NodeData, Externalizable
{
/**
* serialVersionUID to serialization.
*/
private static final long serialVersionUID = 3033563403958948338L;
private static final int ACL_IS_NULL = -1;
private static final int ACL_IS_NOT_NULL = 1;
protected int orderNumber;
protected InternalQName primaryTypeName;
protected InternalQName[] mixinTypeNames;
protected AccessControlList acl;
public PersistedNodeData()
{
super();
}
public PersistedNodeData(String id, QPath qpath, String parentId, int version, int orderNumber,
InternalQName primaryTypeName, InternalQName[] mixinTypeNames, AccessControlList acl)
{
super(id, qpath, parentId, version);
this.primaryTypeName = primaryTypeName;
this.mixinTypeNames = mixinTypeNames;
this.orderNumber = orderNumber;
this.acl = acl;
}
/**
* @see org.exoplatform.services.jcr.datamodel.NodeData#getOrderNumber()
*/
public int getOrderNumber()
{
return orderNumber;
}
/**
* @see org.exoplatform.services.jcr.datamodel.NodeData#getPrimaryTypeName()
*/
public InternalQName getPrimaryTypeName()
{
return primaryTypeName;
}
/**
* @see org.exoplatform.services.jcr.datamodel.NodeData#getMixinTypeNames()
*/
public InternalQName[] getMixinTypeNames()
{
return mixinTypeNames;
}
/**
* @see org.exoplatform.services.jcr.datamodel.NodeData#getACL()
*/
public AccessControlList getACL()
{
return acl;
}
/**
* @see org.exoplatform.services.jcr.datamodel.ItemData#accept(org.exoplatform.services.jcr.dataflow.ItemDataVisitor)
*/
public void accept(ItemDataVisitor visitor) throws RepositoryException
{
visitor.visit(this);
}
/**
* @see org.exoplatform.services.jcr.datamodel.ItemData#isNode()
*/
public boolean isNode()
{
return true;
}
// ----------------- Externalizable
/**
* {@inheritDoc}
*/
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
{
super.readExternal(in);
orderNumber = in.readInt();
// primary type
byte[] buf;
try
{
buf = new byte[in.readInt()];
in.readFully(buf);
primaryTypeName = InternalQName.parse(new String(buf, Constants.DEFAULT_ENCODING));
}
catch (final IllegalNameException e)
{
throw new IOException(e.getMessage())
{
private static final long serialVersionUID = 3489809179234435267L;
/**
* {@inheritDoc}
*/
@Override
public Throwable getCause()
{
return e;
}
};
}
// mixins
int count = in.readInt();
mixinTypeNames = new InternalQName[count];
for (int i = 0; i < count; i++)
{
try
{
buf = new byte[in.readInt()];
in.readFully(buf);
mixinTypeNames[i] = InternalQName.parse(new String(buf, Constants.DEFAULT_ENCODING));
}
catch (final IllegalNameException e)
{
throw new IOException(e.getMessage())
{
private static final long serialVersionUID = 3489809179234435268L; // eclipse
// gen
/**
* {@inheritDoc}
*/
@Override
public Throwable getCause()
{
return e;
}
};
}
}
// acl
if (in.readInt() == ACL_IS_NOT_NULL)
{
acl = new AccessControlList();
acl.readExternal(in);
}
}
public void writeExternal(ObjectOutput out) throws IOException
{
super.writeExternal(out);
out.writeInt(orderNumber);
// primary type
byte[] ptbuf = primaryTypeName.getAsString().getBytes(Constants.DEFAULT_ENCODING);
out.writeInt(ptbuf.length);
out.write(ptbuf);
// mixins
out.writeInt(mixinTypeNames.length);
for (int i = 0; i < mixinTypeNames.length; i++)
{
byte[] buf = mixinTypeNames[i].getAsString().getBytes(Constants.DEFAULT_ENCODING);
out.writeInt(buf.length);
out.write(buf);
}
if (acl == null)
{
out.writeInt(ACL_IS_NULL);
}
else
{
out.writeInt(ACL_IS_NOT_NULL);
acl.writeExternal(out);
}
}
}