/*
* 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.tools.tree;
import org.apache.ws.commons.util.Base64;
import org.exoplatform.services.jcr.dataflow.ItemDataConsumer;
import org.exoplatform.services.jcr.dataflow.ItemDataTraversingVisitor;
import org.exoplatform.services.jcr.datamodel.NodeData;
import org.exoplatform.services.jcr.datamodel.PropertyData;
import org.exoplatform.services.jcr.datamodel.ValueData;
import java.io.IOException;
import java.io.OutputStream;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.List;
import javax.jcr.RepositoryException;
/**
* @author <a href="mailto:Sergey.Kabashnyuk@gmail.com">Sergey Kabashnyuk</a>
* @version $Id: ValueSsh1Generator.java 11907 2008-03-13 15:36:21Z ksm $
*/
public class ValueSsh1Generator extends ItemDataTraversingVisitor
{
private final OutputStream ssh1ChecksumStream;
private final MessageDigest md;
private final byte[] space = " ".getBytes();
public ValueSsh1Generator(ItemDataConsumer dataManager, OutputStream ssh1ChecksumStream)
throws NoSuchAlgorithmException
{
super(dataManager);
this.ssh1ChecksumStream = ssh1ChecksumStream;
this.md = MessageDigest.getInstance("SHA");
}
@Override
protected void entering(PropertyData property, int arg1) throws RepositoryException
{
List<ValueData> vals = property.getValues();
for (ValueData valueData : vals)
{
try
{
md.update(valueData.getAsByteArray());
ssh1ChecksumStream.write(property.getQPath().getAsString().getBytes());
ssh1ChecksumStream.write(space);
ssh1ChecksumStream.write(Integer.toString(valueData.getOrderNumber()).getBytes());
ssh1ChecksumStream.write(space);
ssh1ChecksumStream.write(Base64.encode(md.digest()).getBytes());
// ssh1ChecksumStream.write(space);
// for (byte b : md.digest()) {
// ssh1ChecksumStream.write(Integer.toHexString(b & 0xff ).getBytes());
// }
// ssh1ChecksumStream.write(newLine);
}
catch (IllegalStateException e)
{
throw new RepositoryException(e);
}
catch (IOException e)
{
throw new RepositoryException(e);
}
}
}
@Override
protected void entering(NodeData arg0, int arg1) throws RepositoryException
{
}
@Override
protected void leaving(PropertyData arg0, int arg1) throws RepositoryException
{
}
@Override
protected void leaving(NodeData arg0, int arg1) throws RepositoryException
{
}
}