/*
* Copyright (C) 2003-2011 eXo Platform SAS.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see<http://www.gnu.org/licenses/>.
*/
package org.exoplatform.services.jcr.impl.core.itemfilters;
import org.exoplatform.services.jcr.datamodel.ItemData;
import org.exoplatform.services.jcr.datamodel.QPathEntry;
import org.exoplatform.services.jcr.impl.Constants;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.ArrayList;
import java.util.List;
/**
* Created by The eXo Platform SAS.
*
* @author <a href="mailto:skarpenko@exoplatform.com">Sergiy Karpenko</a>
* @version $Id: ExactQPathEntryFilter.java 34360 19.05.2011 skarpenko $
*/
public class ExactQPathEntryFilter implements QPathEntryFilter
{
private QPathEntry entry;
public ExactQPathEntryFilter()
{
}
public ExactQPathEntryFilter(QPathEntry entry)
{
this.entry = entry;
}
/**
* {@inheritDoc}
*/
public boolean isExactName()
{
return true;
}
/**
* {@inheritDoc}
*/
public QPathEntry getQPathEntry()
{
return entry;
}
/**
* {@inheritDoc}
*/
public boolean accept(ItemData item)
{
QPathEntry itemEntry = item.getQPath().getEntries()[item.getQPath().getDepth()];
return entry.equals(itemEntry);
}
/**
* {@inheritDoc}
*/
public List<? extends ItemData> accept(List<? extends ItemData> itemData)
{
List<ItemData> result = new ArrayList<ItemData>();
for (int i = 0; i < itemData.size(); i++)
{
if (accept(itemData.get(i)))
{
result.add(itemData.get(i));
break;
}
}
return result;
}
/**
* {@inheritDoc}
*/
@Override
public boolean equals(Object o)
{
if (o == this)
return true;
if (o == null)
return false;
if (o instanceof QPathEntryFilter)
{
QPathEntryFilter that = (QPathEntryFilter)o;
return this.getQPathEntry().equals(that.getQPathEntry());
}
return false;
}
@Override
public int hashCode()
{
return entry.hashCode();
}
/**
* {@inheritDoc}
*/
public void writeExternal(ObjectOutput out) throws IOException
{
byte[] buf = entry.getNamespace().getBytes(Constants.DEFAULT_ENCODING);
out.writeInt(buf.length);
out.write(buf);
buf = entry.getName().getBytes(Constants.DEFAULT_ENCODING);
out.writeInt(buf.length);
out.write(buf);
out.writeInt(entry.getIndex());
}
/**
* {@inheritDoc}
*/
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
{
byte[] buf = new byte[in.readInt()];
in.readFully(buf);
String namespace = new String(buf, Constants.DEFAULT_ENCODING);
buf = new byte[in.readInt()];
in.readFully(buf);
String localName = new String(buf, Constants.DEFAULT_ENCODING);
int index = in.readInt();
entry = new QPathEntry(namespace, localName, index);
}
}