ContinuationWebSocketFrame.java — netty Source File

Source Code

/*
 * 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:
 *
 *   https://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;
import io.netty.util.CharsetUtil;

/**
 * Web Socket continuation frame containing continuation text or binary data. This is used for
 * fragmented messages where the contents of a messages is contained more than 1 frame.
 */
public class ContinuationWebSocketFrame extends WebSocketFrame {

    /**
     * Creates a new empty continuation frame.
     */
    public ContinuationWebSocketFrame() {
        this(Unpooled.buffer(0));
    }

    /**
     * Creates a new continuation frame with the specified binary data. The final fragment flag is
     * set to true.
     *
     * @param binaryData the content of the frame.
     */
    public ContinuationWebSocketFrame(ByteBuf binaryData) {
        super(binaryData);
    }

    /**
     * Creates a new continuation 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 ContinuationWebSocketFrame(boolean finalFragment, int rsv, ByteBuf binaryData) {
        super(finalFragment, rsv, binaryData);
    }

    /**
     * Creates a new continuation frame with the specified text data
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