dubbo Snappy 源码
dubbo Snappy 代码
文件路径:/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/compressor/Snappy.java
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 org.apache.dubbo.rpc.protocol.tri.compressor;
import org.apache.dubbo.rpc.RpcException;
import java.io.IOException;
/**
* snappy compressor, Provide high-speed compression speed and reasonable compression ratio
*
* @link https://github.com/google/snappy
*/
public class Snappy implements Compressor, DeCompressor {
public static final String SNAPPY = "snappy";
@Override
public String getMessageEncoding() {
return SNAPPY;
}
@Override
public byte[] compress(byte[] payloadByteArr) throws RpcException {
if (null == payloadByteArr || 0 == payloadByteArr.length) {
return new byte[0];
}
try {
return org.xerial.snappy.Snappy.compress(payloadByteArr);
} catch (IOException e) {
throw new IllegalStateException(e);
}
}
@Override
public byte[] decompress(byte[] payloadByteArr) {
if (null == payloadByteArr || 0 == payloadByteArr.length) {
return new byte[0];
}
try {
return org.xerial.snappy.Snappy.uncompress(payloadByteArr);
} catch (IOException e) {
throw new IllegalStateException(e);
}
}
}
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