/*
* 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.impl.dataflow.serialization;
import org.exoplatform.services.jcr.dataflow.persistent.PersistedPropertyData;
import org.exoplatform.services.jcr.dataflow.serialization.ObjectReader;
import org.exoplatform.services.jcr.dataflow.serialization.SerializationConstants;
import org.exoplatform.services.jcr.dataflow.serialization.UnknownClassIdException;
import org.exoplatform.services.jcr.datamodel.IllegalPathException;
import org.exoplatform.services.jcr.datamodel.QPath;
import org.exoplatform.services.jcr.datamodel.ValueData;
import org.exoplatform.services.jcr.impl.util.io.FileCleaner;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* Created by The eXo Platform SAS. <br/>Date:
*
* @author <a href="karpenko.sergiy@gmail.com">Karpenko Sergiy</a>
* @version $Id$
*/
public class PersistedPropertyDataReader
{
private FileCleaner fileCleaner;
private int maxBufferSize;
private final ReaderSpoolFileHolder holder;
/**
* Constructor.
*
* @param fileCleaner - FileCleaner.
* @param maxBufferSize - MaxBufferSize.
*/
public PersistedPropertyDataReader(FileCleaner fileCleaner, int maxBufferSize, ReaderSpoolFileHolder holder)
{
this.fileCleaner = fileCleaner;
this.maxBufferSize = maxBufferSize;
this.holder = holder;
}
/**
* Read and set PersistedPropertyData object data.
*
* @param in ObjectReader.
* @return PersistedPropertyData object.
* @throws UnknownClassIdException If read Class ID is not expected or do not
* exist.
* @throws IOException If an I/O error has occurred.
*/
public PersistedPropertyData read(ObjectReader in) throws UnknownClassIdException, IOException
{
// read id
int key;
if ((key = in.readInt()) != SerializationConstants.PERSISTED_PROPERTY_DATA)
{
throw new UnknownClassIdException("There is unexpected class [" + key + "]");
}
QPath qpath;
try
{
String sQPath = in.readString();
qpath = QPath.parse(sQPath);
}
catch (final IllegalPathException e)
{
throw new IOException("Deserialization error. " + e)
{
/**
* {@inheritDoc}
*/
@Override
public Throwable getCause()
{
return e;
}
};
}
String identifier = in.readString();
String parentIdentifier = null;
if (in.readByte() == SerializationConstants.NOT_NULL_DATA)
{
parentIdentifier = in.readString();
}
int persistedVersion = in.readInt();
// --------------
int type = in.readInt();
boolean multiValued = in.readBoolean();
PersistedPropertyData prop;
if (in.readByte() == SerializationConstants.NOT_NULL_DATA)
{
int listSize = in.readInt();
List<ValueData> values = new ArrayList<ValueData>();
PersistedValueDataReader rdr = new PersistedValueDataReader(fileCleaner, maxBufferSize, holder);
for (int i = 0; i < listSize; i++)
{
values.add(rdr.read(in));
}
prop =
new PersistedPropertyData(identifier, qpath, parentIdentifier, persistedVersion, type, multiValued, values);
}
else
{
prop =
new PersistedPropertyData(identifier, qpath, parentIdentifier, persistedVersion, type, multiValued, null);
}
return prop;
}
}