ReplayingDecoderByteBuf.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;

import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.channels.FileChannel;
import java.nio.channels.GatheringByteChannel;
import java.nio.channels.ScatteringByteChannel;
import java.nio.charset.Charset;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.SwappedByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.util.ByteProcessor;
import io.netty.util.Signal;
import io.netty.util.internal.ObjectUtil;
import io.netty.util.internal.StringUtil;

/**
 * Special {@link ByteBuf} implementation which is used by the {@link ReplayingDecoder}
 */
final class ReplayingDecoderByteBuf extends ByteBuf {

    private static final Signal REPLAY = ReplayingDecoder.REPLAY;

    private ByteBuf buffer;
    private boolean terminated;
    private SwappedByteBuf swapped;

    @SuppressWarnings("checkstyle:StaticFinalBuffer")  // Unpooled.EMPTY_BUFFER is not writeable or readable.
    static final ReplayingDecoderByteBuf EMPTY_BUFFER = new ReplayingDecoderByteBuf(Unpooled.EMPTY_BUFFER);

    static {
        EMPTY_BUFFER.terminate();
    }

    ReplayingDecoderByteBuf() { }

    ReplayingDecoderByteBuf(ByteBuf buffer) {
        setCumulation(buffer);
    }

    void setCumulation(ByteBuf buffer) {
// ... (1094 more lines)