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package org.eclipse.jetty.websocket.server.ab;
import java.io.IOException;
import org.eclipse.jetty.util.FutureCallback;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.eclipse.jetty.websocket.annotations.OnWebSocketConnect;
import org.eclipse.jetty.websocket.annotations.OnWebSocketMessage;
import org.eclipse.jetty.websocket.annotations.WebSocket;
import org.eclipse.jetty.websocket.api.WebSocketConnection;
/**
* Simple Echo WebSocket, using async writes of echo
*/
@WebSocket
public class ABSocket
{
private static Logger LOG = Log.getLogger(ABSocket.class);
private WebSocketConnection conn;
private String abbreviate(String message)
{
if (message.length() > 80)
{
return '"' + message.substring(0,80) + "\"...";
}
return '"' + message + '"';
}
@OnWebSocketMessage
public void onBinary(byte buf[], int offset, int len)
{
LOG.debug("onBinary(byte[{}],{},{})",buf.length,offset,len);
// echo the message back.
try
{
this.conn.write(null,new FutureCallback<Void>(),buf,offset,len);
}
catch (IOException e)
{
e.printStackTrace(System.err);
}
}
@OnWebSocketConnect
public void onOpen(WebSocketConnection conn)
{
this.conn = conn;
}
@OnWebSocketMessage
public void onText(String message)
{
if (LOG.isDebugEnabled())
{
if (message == null)
{
LOG.debug("onText() msg=null");
}
else
{
LOG.debug("onText() size={}, msg={}",message.length(),abbreviate(message));
}
}
// echo the message back.
try
{
this.conn.write(null,new FutureCallback<Void>(),message);
}
catch (IOException e)
{
e.printStackTrace(System.err);
}
}
}
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