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/*
* Copyright (c) 2004 - 2012 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.net4j.buddies.internal.ui.dnd;
import org.eclipse.net4j.buddies.IBuddySession;
import org.eclipse.net4j.buddies.common.IBuddy;
import org.eclipse.net4j.buddies.internal.ui.bundle.OM;
import org.eclipse.net4j.buddies.internal.ui.messages.Messages;
import org.eclipse.net4j.internal.buddies.SessionManager;
import org.eclipse.net4j.util.io.ExtendedDataInputStream;
import org.eclipse.net4j.util.io.ExtendedDataOutputStream;
import org.eclipse.net4j.util.ui.dnd.DNDTransfer;
import java.io.IOException;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.List;
/**
* @author Eike Stepper
*/
public class BuddiesTransfer extends DNDTransfer<IBuddy[]>
{
public static final String TYPE_NAME = "buddies-transfer-format"; //$NON-NLS-1$
public static final BuddiesTransfer INSTANCE = new BuddiesTransfer();
public BuddiesTransfer()
{
super(TYPE_NAME);
}
@Override
protected void writeObject(ExtendedDataOutputStream out, IBuddy[] buddies) throws IOException
{
out.writeInt(buddies.length);
for (IBuddy buddy : buddies)
{
out.writeString(buddy.getUserID());
}
}
@Override
protected IBuddy[] readObject(ExtendedDataInputStream in) throws IOException
{
IBuddySession session = SessionManager.INSTANCE.getSession();
if (session == null)
{
OM.LOG.warn(Messages.getString("BuddiesTransfer_1")); //$NON-NLS-1$
return null;
}
List<IBuddy> buddies = new ArrayList<IBuddy>();
int size = in.readInt();
for (int i = 0; i < size; i++)
{
String userID = in.readString();
IBuddy buddy = session.getBuddy(userID);
if (buddy != null)
{
buddies.add(buddy);
}
else
{
OM.LOG.warn(MessageFormat.format(Messages.getString("BuddiesTransfer_2"), userID)); //$NON-NLS-1$
}
}
return buddies.toArray(new IBuddy[buddies.size()]);
}
}
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