io.netty.handler.codec.http.websocketx.PingWebSocketFrame Maven / Gradle / Ivy

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This artifact provides a single jar that contains all classes required to use remote EJB and JMS, including all dependencies. It is intended for use by those not using maven, maven users should just import the EJB and JMS BOM's instead (shaded JAR's cause lots of problems with maven, as it is very easy to inadvertently end up with different versions on classes on the class path).

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/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package io.netty.handler.codec.http.websocketx;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;

/**
 * Web Socket frame containing binary data
 */
public class PingWebSocketFrame extends WebSocketFrame {

    /**
     * Creates a new empty ping frame.
     */
    public PingWebSocketFrame() {
        super(true, 0, Unpooled.buffer(0));
    }

    /**
     * Creates a new ping frame with the specified binary data.
     *
     * @param binaryData
     *            the content of the frame.
     */
    public PingWebSocketFrame(ByteBuf binaryData) {
        super(binaryData);
    }

    /**
     * Creates a new ping frame with the specified binary data
     *
     * @param finalFragment
     *            flag indicating if this frame is the final fragment
     * @param rsv
     *            reserved bits used for protocol extensions
     * @param binaryData
     *            the content of the frame.
     */
    public PingWebSocketFrame(boolean finalFragment, int rsv, ByteBuf binaryData) {
        super(finalFragment, rsv, binaryData);
    }

    @Override
    public PingWebSocketFrame copy() {
        return new PingWebSocketFrame(isFinalFragment(), rsv(), content().copy());
    }

    @Override
    public PingWebSocketFrame duplicate() {
        return new PingWebSocketFrame(isFinalFragment(), rsv(), content().duplicate());
    }

    @Override
    public PingWebSocketFrame retain() {
        super.retain();
        return this;
    }

    @Override
    public PingWebSocketFrame retain(int increment) {
        super.retain(increment);
        return this;
    }
}