Clover coverage report - Ant Coverage
Coverage timestamp: Tue Apr 8 2003 20:43:55 EST
file stats: LOC: 141   Methods: 2
NCLOC: 67   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
BUnzip2.java 56.2% 86.5% 50% 76.4%
 1   
 /*
 2   
  * The Apache Software License, Version 1.1
 3   
  *
 4   
  * Copyright (c) 2001-2002 The Apache Software Foundation.  All rights
 5   
  * reserved.
 6   
  *
 7   
  * Redistribution and use in source and binary forms, with or without
 8   
  * modification, are permitted provided that the following conditions
 9   
  * are met:
 10   
  *
 11   
  * 1. Redistributions of source code must retain the above copyright
 12   
  *    notice, this list of conditions and the following disclaimer.
 13   
  *
 14   
  * 2. Redistributions in binary form must reproduce the above copyright
 15   
  *    notice, this list of conditions and the following disclaimer in
 16   
  *    the documentation and/or other materials provided with the
 17   
  *    distribution.
 18   
  *
 19   
  * 3. The end-user documentation included with the redistribution, if
 20   
  *    any, must include the following acknowlegement:
 21   
  *       "This product includes software developed by the
 22   
  *        Apache Software Foundation (http://www.apache.org/)."
 23   
  *    Alternately, this acknowlegement may appear in the software itself,
 24   
  *    if and wherever such third-party acknowlegements normally appear.
 25   
  *
 26   
  * 4. The names "Ant" and "Apache Software
 27   
  *    Foundation" must not be used to endorse or promote products derived
 28   
  *    from this software without prior written permission. For written
 29   
  *    permission, please contact apache@apache.org.
 30   
  *
 31   
  * 5. Products derived from this software may not be called "Apache"
 32   
  *    nor may "Apache" appear in their names without prior written
 33   
  *    permission of the Apache Group.
 34   
  *
 35   
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 36   
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 37   
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 38   
  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 39   
  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 40   
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 41   
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 42   
  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 43   
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 44   
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 45   
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 46   
  * SUCH DAMAGE.
 47   
  * ====================================================================
 48   
  *
 49   
  * This software consists of voluntary contributions made by many
 50   
  * individuals on behalf of the Apache Software Foundation.  For more
 51   
  * information on the Apache Software Foundation, please see
 52   
  * <http://www.apache.org/>.
 53   
  */
 54   
 
 55   
 package org.apache.tools.ant.taskdefs;
 56   
 
 57   
 
 58   
 import java.io.BufferedInputStream;
 59   
 import java.io.FileInputStream;
 60   
 import java.io.FileOutputStream;
 61   
 import java.io.IOException;
 62   
 import org.apache.tools.ant.BuildException;
 63   
 import org.apache.tools.bzip2.CBZip2InputStream;
 64   
 
 65   
 /**
 66   
  * Expands a file that has been compressed with the BZIP2
 67   
  * algorithm. Normally used to compress non-compressed archives such
 68   
  * as TAR files.
 69   
  *
 70   
  * @author Magesh Umasankar
 71   
  *
 72   
  * @since Ant 1.5
 73   
  *
 74   
  * @ant.task category="packaging"
 75   
  */
 76   
 
 77   
 public class BUnzip2 extends Unpack {
 78   
 
 79   
     private static final String DEFAULT_EXTENSION = ".bz2";
 80   
 
 81  0
     protected String getDefaultExtension() {
 82  0
         return DEFAULT_EXTENSION;
 83   
     }
 84   
 
 85  1
     protected void extract() {
 86  1
         if (source.lastModified() > dest.lastModified()) {
 87  1
             log("Expanding " + source.getAbsolutePath() + " to "
 88   
                 + dest.getAbsolutePath());
 89   
 
 90  1
             FileOutputStream out = null;
 91  1
             CBZip2InputStream zIn = null;
 92  1
             FileInputStream fis = null;
 93  1
             BufferedInputStream bis = null;
 94  1
             try {
 95  1
                 out = new FileOutputStream(dest);
 96  1
                 fis = new FileInputStream(source);
 97  1
                 bis = new BufferedInputStream(fis);
 98  1
                 int b = bis.read();
 99  1
                 if (b != 'B') {
 100  0
                     throw new BuildException("Invalid bz2 file.", getLocation());
 101   
                 }
 102  1
                 b = bis.read();
 103  1
                 if (b != 'Z') {
 104  0
                     throw new BuildException("Invalid bz2 file.", getLocation());
 105   
                 }
 106  1
                 zIn = new CBZip2InputStream(bis);
 107  1
                 byte[] buffer = new byte[8 * 1024];
 108  1
                 int count = 0;
 109  1
                 do {
 110  394
                     out.write(buffer, 0, count);
 111  394
                     count = zIn.read(buffer, 0, buffer.length);
 112  394
                 } while (count != -1);
 113   
             } catch (IOException ioe) {
 114  0
                 String msg = "Problem expanding bzip2 " + ioe.getMessage();
 115  0
                 throw new BuildException(msg, ioe, getLocation());
 116   
             } finally {
 117  1
                 if (bis != null) {
 118  1
                     try {
 119  1
                         bis.close();
 120   
                     } catch (IOException ioex) {}
 121   
                 }
 122  1
                 if (fis != null) {
 123  1
                     try {
 124  1
                         fis.close();
 125   
                     } catch (IOException ioex) {}
 126   
                 }
 127  1
                 if (out != null) {
 128  1
                     try {
 129  1
                         out.close();
 130   
                     } catch (IOException ioex) {}
 131   
                 }
 132  1
                 if (zIn != null) {
 133  1
                     try {
 134  1
                         zIn.close();
 135   
                     } catch (IOException ioex) {}
 136   
                 }
 137   
             }
 138   
         }
 139   
     }
 140   
 }
 141