content: /*
   * 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.carbondata.core.datastore;
  
  import org.apache.carbondata.core.constants.CarbonCommonConstants;
  import org.apache.carbondata.core.datastore.impl.FileFactory;
  import org.apache.carbondata.core.datastore.impl.FileFactory.*;
  
  import org.junit.AfterClass;
  import org.junit.BeforeClass;
  import org.junit.Test;
  
  
  import java.io.DataInputStream;
  import java.io.FileOutputStream;
  import java.io.File;
  import java.io.Writer;
  import java.io.BufferedReader;
  import java.io.InputStreamReader;
  import java.io.OutputStreamWriter;
  import java.nio.charset.Charset;
  import java.util.zip.GZIPOutputStream;
  
  import org.apache.commons.compress.compressors.bzip2.BZip2CompressorOutputStream;
  import static junit.framework.TestCase.assertTrue;
  
  
  public class CompressdFileTest
  {
    @BeforeClass public static void setUp() throws Exception  {
      String path = "../core/src/test/resources/testFile";
      String content = "hello world";
  
      makeGzipFile(path, content);
      makeBzip2File(path, content);
  
    }
  
    private static void makeGzipFile (String path, String content) throws Exception {
      path = path + ".gz";
      FileOutputStream output = new FileOutputStream(path);
      try {
        Writer writer = new OutputStreamWriter(new GZIPOutputStream(output),
            "UTF-8");
        try {
          writer.write(content);
        } finally {
          writer.close();
        }
      } finally {
        output.close();
    }
  }
  
    private static void makeBzip2File (String path, String content) throws Exception {
      path = path + ".bz2";
      FileOutputStream output = new FileOutputStream(path);
      try {
        Writer writer = new OutputStreamWriter(new BZip2CompressorOutputStream(output),
            "UTF-8");
        try {
          writer.write(content);
        } finally {
          writer.close();
        }
      } finally {
        output.close();
      }
    }
  
    @Test public void testReadGzFile() throws Exception {
      assertTrue(readCompressed("../core/src/test/resources/testFile.gz").equals("hello world"));
    }
  
    @Test public void testReadBzip2File() throws Exception {
      assertTrue(readCompressed("../core/src/test/resources/testFile.bz2").equals("hello world"));
    }
  
    private static String readCompressed(String path) throws Exception {
        DataInputStream fileReader = null;
        BufferedReader bufferedReader = null;
        String readLine = null;
  
        try {
          fileReader =
              FileFactory.getDataInputStream(path);
          bufferedReader = new BufferedReader(new InputStreamReader(fileReader,
              Charset.forName(CarbonCommonConstants.DEFAULT_CHARSET)));
          readLine = bufferedReader.readLine();
        } finally {
          if (null != fileReader) {
            fileReader.close();
          }
  
          if (null != bufferedReader) {
            bufferedReader.close();
          }
        }
        return readLine;
    }
  
    @AfterClass public static void testCleanUp() {
      new File("../core/src/test/resources/testFile.gz").deleteOnExit();
      new File("../core/src/test/resources/testFile.bz2").deleteOnExit();
    }
  }
  