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/***************************************************************************
* Copyright (c) 2004 - 2008 Eike Stepper, Germany.
* 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.server.protocol;
import org.eclipse.emf.cdo.internal.server.bundle.OM;
import org.eclipse.emf.cdo.protocol.CDOProtocolConstants;
import org.eclipse.emf.cdo.protocol.id.CDOIDLibraryProvider;
import org.eclipse.net4j.internal.util.om.trace.ContextTracer;
import org.eclipse.net4j.util.io.ExtendedDataInputStream;
import org.eclipse.net4j.util.io.ExtendedDataOutputStream;
import org.eclipse.net4j.util.io.IOUtil;
import java.io.IOException;
import java.io.InputStream;
/**
* @author Eike Stepper
*/
public class LoadLibrariesIndication extends CDOServerIndication
{
private static final ContextTracer PROTOCOL = new ContextTracer(OM.DEBUG_PROTOCOL, LoadLibrariesIndication.class);
private String[] libraryNames;
public LoadLibrariesIndication()
{
}
@Override
protected short getSignalID()
{
return CDOProtocolConstants.SIGNAL_LOAD_LIBRARIES;
}
@Override
protected void indicating(ExtendedDataInputStream in) throws IOException
{
int size = in.readInt();
if (PROTOCOL.isEnabled())
{
PROTOCOL.format("Reading {0} library names", size);
}
libraryNames = new String[size];
for (int i = 0; i < size; i++)
{
libraryNames[i] = in.readString();
if (PROTOCOL.isEnabled())
{
PROTOCOL.format("Read library name: {0}", libraryNames[i]);
}
}
}
@Override
protected void responding(ExtendedDataOutputStream out) throws IOException
{
byte[] buffer = new byte[IOUtil.DEFAULT_BUFFER_SIZE];
CDOIDLibraryProvider libraryProvider = getStore().getCDOIDLibraryProvider();
for (String libraryName : libraryNames)
{
int size = libraryProvider.getSize(libraryName);
if (PROTOCOL.isEnabled())
{
PROTOCOL.format("Writing library {0}: {1} bytes", libraryName, size);
}
out.writeInt(size);
InputStream in = null;
try
{
in = libraryProvider.getContents(libraryName);
IOUtil.copy(in, out, size, buffer);
}
finally
{
IOUtil.close(in);
}
}
}
}
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