com.couchbase.client.deps.io.netty.handler.codec.memcache.binary.BinaryMemcacheResponseDecoder Maven / Gradle / Ivy
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The official Couchbase JVM Core IO Library
/*
* 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 com.couchbase.client.deps.io.netty.handler.codec.memcache.binary;
import com.couchbase.client.deps.io.netty.buffer.ByteBuf;
import com.couchbase.client.deps.io.netty.buffer.Unpooled;
/**
* The decoder which takes care of decoding the response headers.
*/
public class BinaryMemcacheResponseDecoder
extends AbstractBinaryMemcacheDecoder {
public BinaryMemcacheResponseDecoder() {
this(DEFAULT_MAX_CHUNK_SIZE);
}
public BinaryMemcacheResponseDecoder(int chunkSize) {
super(chunkSize);
}
@Override
protected BinaryMemcacheResponse decodeHeader(ByteBuf in) {
BinaryMemcacheResponse 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);
}
}