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From di...@apache.org
Subject cvs commit: jakarta-commons-sandbox/compress/src/test/org/apache/commons/compress/bzip2/test BzipTestCase.java
Date Tue, 02 Dec 2003 20:44:24 GMT
dirkv       2003/12/02 12:44:24

  Added:       compress/src/test/org/apache/commons/compress/bzip2/example
                        Bzip2Compress.java Bzip2Uncompress.java
               compress/src/test/org/apache/commons/compress/bzip2/test
                        BzipTestCase.java
  Log:
  move bzip2 tests to compress component
  
  Revision  Changes    Path
  1.1                  jakarta-commons-sandbox/compress/src/test/org/apache/commons/compress/bzip2/example/Bzip2Compress.java
  
  Index: Bzip2Compress.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-commons-sandbox/compress/src/test/org/apache/commons/compress/bzip2/example/Bzip2Compress.java,v
1.1 2003/12/02 20:44:24 dirkv Exp $
   * $Revision: 1.1 $
   * $Date: 2003/12/02 20:44:24 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2002 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowledgement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgement may appear in the software itself,
   *    if and wherever such third-party acknowledgements normally appear.
   *
   * 4. The names "The Jakarta Project", "Commons", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  
  package org.apache.commons.compress.bzip2.example;
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  
  import org.apache.commons.compress.bzip2.CBZip2OutputStream;
  
  /**
   * This simple example shows how to use the Bzip2 classes to compress a file.
   *
   * @author <a href="mailto:peter@apache.org">Peter Donald</a>
   * @version $Revision: 1.1 $ $Date: 2003/12/02 20:44:24 $
   */
  public class Bzip2Compress
  {
      public static void main( final String[] args )
          throws Exception
      {
          if( 2 != args.length )
          {
              System.out.println( "java Bzip2Compress <input> <output>" );
              System.exit( 1 );
          }
  
          final File source = new File( args[ 0 ] );
          final File destination = new File( args[ 1 ] );
          final CBZip2OutputStream output =
              new CBZip2OutputStream( new FileOutputStream( destination ) );
          final FileInputStream input = new FileInputStream( source );
          copy( input, output );
          input.close();
          output.close();
      }
  
      /**
       * Copy bytes from an <code>InputStream</code> to an <code>OutputStream</code>.
       */
      private static void copy( final InputStream input,
                                final OutputStream output )
          throws IOException
      {
          final byte[] buffer = new byte[ 8024 ];
          int n = 0;
          while( -1 != ( n = input.read( buffer ) ) )
          {
              output.write( buffer, 0, n );
          }
      }
  }
  
  
  
  1.1                  jakarta-commons-sandbox/compress/src/test/org/apache/commons/compress/bzip2/example/Bzip2Uncompress.java
  
  Index: Bzip2Uncompress.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-commons-sandbox/compress/src/test/org/apache/commons/compress/bzip2/example/Bzip2Uncompress.java,v
1.1 2003/12/02 20:44:24 dirkv Exp $
   * $Revision: 1.1 $
   * $Date: 2003/12/02 20:44:24 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2002 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowledgement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgement may appear in the software itself,
   *    if and wherever such third-party acknowledgements normally appear.
   *
   * 4. The names "The Jakarta Project", "Commons", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  
  package org.apache.commons.compress.bzip2.example;
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  
  import org.apache.commons.compress.bzip2.CBZip2InputStream;
  
  /**
   * This simple example shows how to use the Bzip2 classes to uncompress a file.
   *
   * @author <a href="mailto:peter@apache.org">Peter Donald</a>
   * @author <a href="mailto:nicolaken@apache.org">Nicola Ken Barozzi</a>
   * @version $Revision: 1.1 $ $Date: 2003/12/02 20:44:24 $
   */
  public class Bzip2Uncompress
  {
      public static void main( final String[] args )
      {
        try
        {
          if( 2 != args.length )
          {
              System.out.println( "java Bzip2Uncompress <input> <output>" );
              System.exit( 1 );
          }
          final File source = new File( args[ 0 ] );
          final File destination = new File( args[ 1 ] );
          final FileOutputStream output =
              new FileOutputStream( destination );
          final CBZip2InputStream input = new CBZip2InputStream( new FileInputStream( source
) );
          copy( input, output );
          input.close();
          output.close();
        }catch(Exception e){
          e.printStackTrace();
          System.exit(1);       
        
        }
      }
  
      /**
       * Copy bytes from an <code>InputStream</code> to an <code>OutputStream</code>.
       */
      private static void copy( final InputStream input,
                                final OutputStream output )
          throws IOException
      {
          final byte[] buffer = new byte[ 8024 ];
          int n = 0;
          while( -1 != ( n = input.read( buffer ) ) )
          {
              output.write( buffer, 0, n );
          }
      }
  }
  
  
  
  1.1                  jakarta-commons-sandbox/compress/src/test/org/apache/commons/compress/bzip2/test/BzipTestCase.java
  
  Index: BzipTestCase.java
  ===================================================================
  /*
   * $Header: /home/cvs/jakarta-commons-sandbox/compress/src/test/org/apache/commons/compress/bzip2/test/BzipTestCase.java,v
1.1 2003/12/02 20:44:24 dirkv Exp $
   * $Revision: 1.1 $
   * $Date: 2003/12/02 20:44:24 $
   *
   * ====================================================================
   *
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 2002 The Apache Software Foundation.  All rights
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution, if
   *    any, must include the following acknowledgement:
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgement may appear in the software itself,
   *    if and wherever such third-party acknowledgements normally appear.
   *
   * 4. The names "The Jakarta Project", "Commons", and "Apache Software
   *    Foundation" must not be used to endorse or promote products derived
   *    from this software without prior written permission. For written
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache"
   *    nor may "Apache" appear in their names without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   *
   */
  
  package org.apache.commons.compress.bzip2.test;
  
  import java.io.BufferedInputStream;
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.OutputStream;
  import junit.framework.TestCase;
  import org.apache.commons.compress.bzip2.CBZip2InputStream;
  import org.apache.commons.compress.bzip2.CBZip2OutputStream;
  
  /**
   * A test the stress tested the BZip implementation to verify
   * that it behaves correctly.
   *
   * @author <a href="mailto:peter@apache.org">Peter Donald</a>
   * @version $Revision: 1.1 $ $Date: 2003/12/02 20:44:24 $
   */
  public class BzipTestCase
      extends TestCase
  {
      private static final byte[] HEADER = new byte[]{(byte)'B', (byte)'Z'};
  
      public BzipTestCase( final String name )
      {
          super( name );
      }
  
      public void testBzipOutputStream()
          throws Exception
      {
          final InputStream input = getInputStream( "asf-logo-huge.tar" );
          final File outputFile = getOutputFile( ".tar.bz2" );
          final OutputStream output = new FileOutputStream( outputFile );
          final CBZip2OutputStream packedOutput = getPackedOutput( output );
          copy( input, packedOutput );
          shutdownStream( input );
          shutdownStream( packedOutput );
          shutdownStream( output );
          compareContents( "asf-logo-huge.tar.bz2", outputFile );
          forceDelete( outputFile );
      }
  
      private void forceDelete( final File outputFile ) throws IOException
      {
          if( !outputFile.delete() )
          {
              final String message = "File " + outputFile + " unable to be deleted.";
              throw new IOException( message );
          }
      }
  
      public void testBzipInputStream()
          throws Exception
      {
          final InputStream input = getInputStream( "asf-logo-huge.tar.bz2" );
          final File outputFile = getOutputFile( ".tar" );
          final OutputStream output = new FileOutputStream( outputFile );
          final CBZip2InputStream packedInput = getPackedInput( input );
          copy( packedInput, output );
          shutdownStream( input );
          shutdownStream( packedInput );
          shutdownStream( output );
          compareContents( "asf-logo-huge.tar", outputFile );
          forceDelete( outputFile );
      }
  
      /**
       * Copy bytes from an <code>InputStream</code> to an <code>OutputStream</code>.
       */
      private void copy( final InputStream input,
                         final OutputStream output )
          throws IOException
      {
          final byte[] buffer = new byte[ 8024 ];
          int n = 0;
          while( -1 != ( n = input.read( buffer ) ) )
          {
              output.write( buffer, 0, n );
          }
      }
  
      private void compareContents( final String initial, final File generated )
          throws Exception
      {
          final InputStream input1 = getInputStream( initial );
          final InputStream input2 = new FileInputStream( generated );
          final boolean test = contentEquals( input1, input2 );
          shutdownStream( input1 );
          shutdownStream( input2 );
          assertTrue( "Contents of " + initial + " matches generated version " + generated,
test );
      }
  
      private CBZip2InputStream getPackedInput( final InputStream input )
          throws IOException
      {
          final int b1 = input.read();
          final int b2 = input.read();
          assertEquals( "Equal header byte1", b1, 'B' );
          assertEquals( "Equal header byte2", b2, 'Z' );
          return new CBZip2InputStream( input );
      }
  
      private CBZip2OutputStream getPackedOutput( final OutputStream output )
          throws IOException
      {
          output.write( HEADER );
          return new CBZip2OutputStream( output );
      }
  
      private File getOutputFile( final String postfix )
          throws IOException
      {
          final File cwd = new File( "." );
          return File.createTempFile( "ant-test", postfix, cwd );
      }
  
      private InputStream getInputStream( final String resource )
          throws Exception
      {
          final String filename =
              "src" + File.separator + "test" + File.separator +
              getClass().getName().replace( '.', File.separatorChar );
          final String path = getPath( filename );
          final File input = new File( path, resource );
          return new FileInputStream( input );
  //        final ClassLoader loader = getClass().getClassLoader();
  //        return loader.getResourceAsStream( resource );
      }
  
      /**
       * Compare the contents of two Streams to determine if they are equal or not.
       *
       * @param input1 the first stream
       * @param input2 the second stream
       * @return true if the content of the streams are equal or they both don't exist, false
otherwise
       */
      private boolean contentEquals( final InputStream input1,
                                     final InputStream input2 )
          throws IOException
      {
          final InputStream bufferedInput1 = new BufferedInputStream( input1 );
          final InputStream bufferedInput2 = new BufferedInputStream( input2 );
  
          int ch = bufferedInput1.read();
          while( -1 != ch )
          {
              final int ch2 = bufferedInput2.read();
              if( ch != ch2 )
              {
                  return false;
              }
              ch = bufferedInput1.read();
          }
  
          final int ch2 = bufferedInput2.read();
          if( -1 != ch2 )
          {
              return false;
          }
          else
          {
              return true;
          }
      }
  
      private String getPath( final String filepath )
      {
          final int index = filepath.lastIndexOf( File.separatorChar );
          if( -1 == index )
          {
              return "";
          }
          else
          {
              return filepath.substring( 0, index );
          }
      }
  
      /**
       * Unconditionally close an <code>OutputStream</code>.
       * Equivalent to {@link java.io.OutputStream#close()}, except any exceptions will be
ignored.
       * @param output A (possibly null) OutputStream
       */
      private static void shutdownStream( final OutputStream output )
      {
          if( null == output )
          {
              return;
          }
  
          try
          {
              output.close();
          }
          catch( final IOException ioe )
          {
          }
      }
  
      /**
       * Unconditionally close an <code>InputStream</code>.
       * Equivalent to {@link InputStream#close()}, except any exceptions will be ignored.
       * @param input A (possibly null) InputStream
       */
      private static void shutdownStream( final InputStream input )
      {
          if( null == input )
          {
              return;
          }
  
          try
          {
              input.close();
          }
          catch( final IOException ioe )
          {
          }
      }
  }
  
  
  

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