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/***************************************************************************
* Copyright (c) 2004 - 2011 Eike Stepper (Berlin, Germany) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
**************************************************************************/
package org.eclipse.emf.cdo.internal.net4j.protocol;
import org.eclipse.emf.cdo.common.model.lob.CDOLobInfo;
import org.eclipse.emf.cdo.common.protocol.CDODataInput;
import org.eclipse.emf.cdo.common.protocol.CDODataOutput;
import org.eclipse.emf.cdo.common.protocol.CDOProtocolConstants;
import org.eclipse.net4j.util.io.ExtendedDataInputStream;
import org.eclipse.net4j.util.io.IOUtil;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.Writer;
/**
* @author Eike Stepper
*/
public class LoadLobRequest extends CDOClientRequest<Boolean>
{
private CDOLobInfo info;
private Object out;
public LoadLobRequest(CDOClientProtocol protocol, CDOLobInfo info, Object out)
{
super(protocol, CDOProtocolConstants.SIGNAL_LOAD_LOB);
this.info = info;
this.out = out;
}
@Override
protected void requesting(CDODataOutput out) throws IOException
{
out.writeByteArray(info.getID());
}
@Override
protected Boolean confirming(ExtendedDataInputStream in) throws Exception
{
if (out instanceof OutputStream)
{
IOUtil.copyBinary(in, (OutputStream)out, info.getSize());
}
else
{
IOUtil.copyCharacter(new InputStreamReader(in), (Writer)out, info.getSize());
}
return true;
}
@Override
protected Boolean confirming(CDODataInput in) throws IOException
{
throw new UnsupportedOperationException();
}
}
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