Clover coverage report - Cactus 1.5 for J2EE API 1.3
Coverage timestamp: Wed Feb 18 2004 09:09:13 EST
file stats: LOC: 259   Methods: 7
NCLOC: 143   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
DefaultJarArchive.java 34.6% 88.7% 100% 73.3%
coverage coverage
 1   
 /*
 2   
  * ====================================================================
 3   
  *
 4   
  * The Apache Software License, Version 1.1
 5   
  *
 6   
  * Copyright (c) 2003 The Apache Software Foundation.  All rights
 7   
  * reserved.
 8   
  *
 9   
  * Redistribution and use in source and binary forms, with or without
 10   
  * modification, are permitted provided that the following conditions
 11   
  * are met:
 12   
  *
 13   
  * 1. Redistributions of source code must retain the above copyright
 14   
  *    notice, this list of conditions and the following disclaimer.
 15   
  *
 16   
  * 2. Redistributions in binary form must reproduce the above copyright
 17   
  *    notice, this list of conditions and the following disclaimer in
 18   
  *    the documentation and/or other materials provided with the
 19   
  *    distribution.
 20   
  *
 21   
  * 3. The end-user documentation included with the redistribution, if
 22   
  *    any, must include the following acknowlegement:
 23   
  *       "This product includes software developed by the
 24   
  *        Apache Software Foundation (http://www.apache.org/)."
 25   
  *    Alternately, this acknowlegement may appear in the software itself,
 26   
  *    if and wherever such third-party acknowlegements normally appear.
 27   
  *
 28   
  * 4. The names "The Jakarta Project", "Cactus" and "Apache Software
 29   
  *    Foundation" must not be used to endorse or promote products
 30   
  *    derived from this software without prior written permission. For
 31   
  *    written permission, please contact apache@apache.org.
 32   
  *
 33   
  * 5. Products derived from this software may not be called "Apache"
 34   
  *    nor may "Apache" appear in their names without prior written
 35   
  *    permission of the Apache Group.
 36   
  *
 37   
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 38   
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 39   
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 40   
  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 41   
  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 42   
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 43   
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 44   
  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 45   
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 46   
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 47   
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 48   
  * SUCH DAMAGE.
 49   
  * ====================================================================
 50   
  *
 51   
  * This software consists of voluntary contributions made by many
 52   
  * individuals on behalf of the Apache Software Foundation.  For more
 53   
  * information on the Apache Software Foundation, please see
 54   
  * <http://www.apache.org/>.
 55   
  *
 56   
  */
 57   
 package org.apache.cactus.integration.ant.deployment;
 58   
 
 59   
 import java.io.ByteArrayInputStream;
 60   
 import java.io.ByteArrayOutputStream;
 61   
 import java.io.File;
 62   
 import java.io.FileInputStream;
 63   
 import java.io.IOException;
 64   
 import java.io.InputStream;
 65   
 import java.util.ArrayList;
 66   
 import java.util.List;
 67   
 import java.util.jar.JarInputStream;
 68   
 import java.util.zip.ZipEntry;
 69   
 
 70   
 /**
 71   
  * Provide convenient methods to read information from a Jar archive.
 72   
  * 
 73   
  * @author <a href="mailto:cmlenz@apache.org">Christopher Lenz</a>
 74   
  *
 75   
  * @since Cactus 1.5
 76   
  * @version $Id: DefaultJarArchive.java,v 1.1.2.1 2003/10/25 17:22:05 vmassol Exp $
 77   
  */
 78   
 public class DefaultJarArchive implements JarArchive
 79   
 {
 80   
     // Instance Variables ------------------------------------------------------
 81   
 
 82   
     /**
 83   
      * The content of the archive as an input stream.
 84   
      */
 85   
     private byte content[];
 86   
 
 87   
     // Constructors ------------------------------------------------------------
 88   
     
 89   
     /**
 90   
      * Constructor.
 91   
      * 
 92   
      * @param theFile The archive file
 93   
      * @throws IOException If there was a problem reading the WAR
 94   
      */
 95  111
     public DefaultJarArchive(File theFile)
 96   
         throws IOException
 97   
     {
 98  111
         this(new FileInputStream(theFile));
 99   
     }
 100   
 
 101   
     /**
 102   
      * Constructor.
 103   
      * 
 104   
      * @param theInputStream The input stream for the archive (it will be closed
 105   
      *        after the constructor returns)
 106   
      * @throws IOException If there was a problem reading the WAR
 107   
      */
 108  133
     public DefaultJarArchive(InputStream theInputStream)
 109   
         throws IOException
 110   
     {
 111  133
         try
 112   
         {
 113  133
             ByteArrayOutputStream baos = new ByteArrayOutputStream();
 114  133
             byte[] buffer = new byte[2048];
 115  133
             int bytesRead = -1;
 116  ?
             while ((bytesRead = theInputStream.read(buffer)) != -1)
 117   
             {
 118  1490
                 baos.write(buffer, 0, bytesRead);
 119   
             }
 120  132
             this.content = baos.toByteArray();
 121   
         }
 122   
         finally
 123   
         {
 124  133
             if (theInputStream != null)
 125   
             {
 126  132
                 theInputStream.close();
 127   
             }
 128   
         }
 129   
     }
 130   
 
 131   
     // Public Methods ----------------------------------------------------------
 132   
 
 133   
     /**
 134   
      * @see JarArchive#containsClass(String)
 135   
      */
 136  18
     public boolean containsClass(String theClassName)
 137   
         throws IOException
 138   
     {
 139  18
         String resourceName = theClassName.replace('.', '/') + ".class";
 140  18
         return (getResource(resourceName) != null);
 141   
     }
 142   
 
 143   
     /**
 144   
      * @see JarArchive#findResource(String)
 145   
      */
 146  4
     public final String findResource(String theName)
 147   
         throws IOException
 148   
     {
 149  4
         JarInputStream in = null;
 150  4
         try
 151   
         {
 152  4
             in = new JarInputStream(getContentAsStream());
 153  4
             ZipEntry entry = null;
 154  ?
             while ((entry = in.getNextEntry()) != null)
 155   
             {
 156  0
                 String entryName = entry.getName();
 157  0
                 int lastSlashIndex = entryName.lastIndexOf('/');
 158  0
                 if (lastSlashIndex >= 0)
 159   
                 {
 160  0
                     entryName = entryName.substring(lastSlashIndex + 1);
 161   
                 }
 162  0
                 if (entryName.equals(theName))
 163   
                 {
 164  0
                     return entry.getName();
 165   
                 }
 166   
             }
 167   
         }
 168   
         finally
 169   
         {
 170  4
             if (in != null)
 171   
             {
 172  4
                 in.close();
 173   
             }
 174   
         }
 175  4
         return null;
 176   
     }
 177   
 
 178   
     /**
 179   
      * @see JarArchive#getResource(String)
 180   
      */
 181  156
     public final InputStream getResource(String thePath)
 182   
         throws IOException
 183   
     {
 184  156
         JarInputStream in = null;
 185  156
         try
 186   
         {
 187  156
             in = getContentAsStream();
 188  156
             ZipEntry zipEntry = null;
 189  ?
             while ((zipEntry = in.getNextEntry()) != null)
 190   
             {
 191  371
                 if (thePath.equals(zipEntry.getName()))
 192   
                 {
 193  72
                     ByteArrayOutputStream buffer = new ByteArrayOutputStream();
 194  72
                     byte bytes[] = new byte[2048];
 195  72
                     int bytesRead = -1;
 196  ?
                     while ((bytesRead = in.read(bytes)) != -1)
 197   
                     {
 198  65
                         buffer.write(bytes, 0, bytesRead);
 199   
                     }
 200  72
                     return new ByteArrayInputStream(buffer.toByteArray());
 201   
                 }
 202   
             }
 203   
         }
 204   
         finally
 205   
         {
 206  156
             if (in != null)
 207   
             {
 208  156
                 in.close();
 209   
             }
 210   
         }
 211  84
         return null;
 212   
     }
 213   
 
 214   
     /**
 215   
      * @see JarArchive#getResources(String)
 216   
      */
 217  72
     public final List getResources(String thePath)
 218   
         throws IOException
 219   
     {
 220  72
         List resources = new ArrayList();
 221  72
         JarInputStream in = null;
 222  72
         try
 223   
         {
 224  72
             in = getContentAsStream();
 225  72
             ZipEntry zipEntry = null;
 226  ?
             while ((zipEntry = in.getNextEntry()) != null)
 227   
             {
 228  173
                 if ((zipEntry.getName().startsWith(thePath)
 229   
                  && !zipEntry.getName().equals(thePath)))
 230   
                 {
 231  26
                     resources.add(zipEntry.getName());
 232   
                 }
 233   
             }
 234   
         }
 235   
         finally
 236   
         {
 237  72
             if (in != null)
 238   
             {
 239  72
                 in.close();
 240   
             }
 241   
         }
 242  72
         return resources;
 243   
     }
 244   
 
 245   
     // Protected Methods -------------------------------------------------------
 246   
 
 247   
     /**
 248   
      * Returns the content of the archive as <code>JarInputStream</code>.
 249   
      * 
 250   
      * @return The input stream
 251   
      * @throws IOException If an exception occurred reading the archive
 252   
      */
 253  232
     protected final JarInputStream getContentAsStream()
 254   
         throws IOException
 255   
     {
 256  232
         return new JarInputStream(new ByteArrayInputStream(this.content));
 257   
     }
 258   
 }
 259