TestCodec.java Source code

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Here is the source code for TestCodec.java

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/**
* Tencent is pleased to support the open source community by making TDW available.
* Copyright (C) 2014 THL A29 Limited, a Tencent company. All rights reserved.
* Licensed 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.
*/

import java.io.IOException;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.io.DataInputBuffer;
import org.apache.hadoop.io.DataOutputBuffer;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.io.compress.CompressionInputStream;
import org.apache.hadoop.io.compress.CompressionOutputStream;
import org.apache.hadoop.io.compress.DefaultCodec;

import IndexStorage.SeekDIBuffer;

public class TestCodec {

    public static void main(String[] args) throws IOException {
        Configuration conf = new Configuration();
        DefaultCodec codec = new DefaultCodec();
        codec.setConf(conf);
        DataOutputBuffer chunksWriteBuffer = new DataOutputBuffer();
        CompressionOutputStream compressionOutputStream = codec.createOutputStream(chunksWriteBuffer);

        DataInputBuffer chunkReadBuffer = new DataInputBuffer();
        CompressionInputStream compressionInputStream = codec.createInputStream(chunkReadBuffer);
        String str = "laksjldfkjalskdjfl;aksjdflkajsldkfjalksjdflkajlsdkfjlaksjdflka";
        compressionOutputStream.write(str.getBytes());
        compressionOutputStream.finish();
        byte[] data = chunksWriteBuffer.getData();
        System.out.println(str.length());
        System.out.println(chunksWriteBuffer.getLength());

        chunkReadBuffer.reset(data, chunksWriteBuffer.getLength());

        DataOutputBuffer dob = new DataOutputBuffer();
        IOUtils.copyBytes(compressionInputStream, dob, conf);
        System.out.println(dob.getData());

    }
}