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Java example source code file (BinaryMemcacheResponseDecoder.java)

This example Java source code file (BinaryMemcacheResponseDecoder.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

abstractbinarymemcachedecoder, binarymemcacheresponse, binarymemcacheresponsedecoder, defaultbinarymemcacheresponse, override, unstableapi

The BinaryMemcacheResponseDecoder.java Java example source code

/*
 * Copyright 2013 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.memcache.binary;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.util.internal.UnstableApi;

/**
 * The decoder which takes care of decoding the response headers.
 */
@UnstableApi
public class BinaryMemcacheResponseDecoder
    extends AbstractBinaryMemcacheDecoder<BinaryMemcacheResponse> {

    public BinaryMemcacheResponseDecoder() {
        this(DEFAULT_MAX_CHUNK_SIZE);
    }

    public BinaryMemcacheResponseDecoder(int chunkSize) {
        super(chunkSize);
    }

    @Override
    protected BinaryMemcacheResponse decodeHeader(ByteBuf in) {
        DefaultBinaryMemcacheResponse header = new DefaultBinaryMemcacheResponse();
        header.setMagic(in.readByte());
        header.setOpcode(in.readByte());
        header.setKeyLength(in.readShort());
        header.setExtrasLength(in.readByte());
        header.setDataType(in.readByte());
        header.setStatus(in.readShort());
        header.setTotalBodyLength(in.readInt());
        header.setOpaque(in.readInt());
        header.setCas(in.readLong());
        return header;
    }

    @Override
    protected BinaryMemcacheResponse buildInvalidMessage() {
        return new DefaultBinaryMemcacheResponse(Unpooled.EMPTY_BUFFER, Unpooled.EMPTY_BUFFER);
    }
}

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