jetty-websocket/javax-websocket-client-impl/src/main/java/org/eclipse/jetty/websocket/jsr356/JsrPongMessage.java

//
//  ========================================================================
//  Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
//  ------------------------------------------------------------------------
//  All rights reserved. This program and the accompanying materials
//  are made available under the terms of the Eclipse Public License v1.0
//  and Apache License v2.0 which accompanies this distribution.
//
//      The Eclipse Public License is available at
//      http://www.eclipse.org/legal/epl-v10.html
//
//      The Apache License v2.0 is available at
//      http://www.opensource.org/licenses/apache2.0.php
//
//  You may elect to redistribute this code under either of these licenses.
//  ========================================================================
//

package org.eclipse.jetty.websocket.jsr356;

import java.nio.ByteBuffer;

import javax.websocket.PongMessage;

import org.eclipse.jetty.util.BufferUtil;

public class JsrPongMessage implements PongMessage
{
    private final ByteBuffer data;

    public JsrPongMessage(ByteBuffer buf)
    {
        this.data = buf;
    }

    @Override
    public ByteBuffer getApplicationData()
    {
        if (data == null)
        {
            return BufferUtil.EMPTY_BUFFER;
        }
        return data.slice();
    }
}