Clover coverage report - groovy - 1.0-beta-8
Coverage timestamp: Fri Dec 17 2004 14:55:55 GMT
file stats: LOC: 195   Methods: 6
NCLOC: 83   Classes: 1
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 Source file Conditionals Statements Methods TOTAL
FileIterator.java 0% 0% 0% 0%
coverage
 1   
 /*
 2   
  * $Header: /home/projects/groovy/scm/groovy/groovy-core/src/main/org/codehaus/groovy/ant/FileIterator.java,v 1.1 2003/12/10 18:08:17 jstrachan Exp $
 3   
  * $Revision: 1.1 $
 4   
  * $Date: 2003/12/10 18:08:17 $
 5   
  *
 6   
  * ====================================================================
 7   
  *
 8   
  * The Apache Software License, Version 1.1
 9   
  *
 10   
  * Copyright (c) 2002 The Apache Software Foundation.  All rights
 11   
  * reserved.
 12   
  *
 13   
  * Redistribution and use in source and binary forms, with or without
 14   
  * modification, are permitted provided that the following conditions
 15   
  * are met:
 16   
  *
 17   
  * 1. Redistributions of source code must retain the above copyright
 18   
  *    notice, this list of conditions and the following disclaimer.
 19   
  *
 20   
  * 2. Redistributions in binary form must reproduce the above copyright
 21   
  *    notice, this list of conditions and the following disclaimer in
 22   
  *    the documentation and/or other materials provided with the
 23   
  *    distribution.
 24   
  *
 25   
  * 3. The end-user documentation included with the redistribution, if
 26   
  *    any, must include the following acknowlegement:
 27   
  *       "This product includes software developed by the
 28   
  *        Apache Software Foundation (http://www.apache.org/)."
 29   
  *    Alternately, this acknowlegement may appear in the software itself,
 30   
  *    if and wherever such third-party acknowlegements normally appear.
 31   
  *
 32   
  * 4. The names "The Jakarta Project", "Commons", and "Apache Software
 33   
  *    Foundation" must not be used to endorse or promote products derived
 34   
  *    from this software without prior written permission. For written
 35   
  *    permission, please contact apache@apache.org.
 36   
  *
 37   
  * 5. Products derived from this software may not be called "Apache"
 38   
  *    nor may "Apache" appear in their names without prior written
 39   
  *    permission of the Apache Group.
 40   
  *
 41   
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 42   
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 43   
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 44   
  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 45   
  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 46   
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 47   
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 48   
  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 49   
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 50   
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 51   
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 52   
  * SUCH DAMAGE.
 53   
  * ====================================================================
 54   
  *
 55   
  * This software consists of voluntary contributions made by many
 56   
  * individuals on behalf of the Apache Software Foundation.  For more
 57   
  * information on the Apache Software Foundation, please see
 58   
  * <http://www.apache.org/>.
 59   
  * 
 60   
  * $Id: FileIterator.java,v 1.1 2003/12/10 18:08:17 jstrachan Exp $
 61   
  */
 62   
 package org.codehaus.groovy.ant;
 63   
 
 64   
 import java.io.File;
 65   
 import java.util.Iterator;
 66   
 import java.util.NoSuchElementException;
 67   
 
 68   
 import org.apache.tools.ant.DirectoryScanner;
 69   
 import org.apache.tools.ant.Project;
 70   
 import org.apache.tools.ant.types.FileSet;
 71   
 
 72   
 /** 
 73   
  * <p><code>FileIterator</code> is an iterator over a 
 74   
  * over a number of files from a colleciton of FileSet instances.
 75   
  *
 76   
  * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
 77   
  * @version $Revision: 1.1 $
 78   
  */
 79   
 public class FileIterator implements Iterator {
 80   
 
 81   
     /** The iterator over the FileSet objects */
 82   
     private Iterator fileSetIterator;
 83   
     
 84   
     /** The Ant project */
 85   
     private Project project;
 86   
     
 87   
     /** The directory scanner */
 88   
     private DirectoryScanner ds;
 89   
     
 90   
     /** The file names in the current FileSet scan */
 91   
     private String[] files;
 92   
     
 93   
     /** The current index into the file name array */
 94   
     private int fileIndex = -1;
 95   
     
 96   
     /** The next File object we'll iterate over */
 97   
     private File nextFile;
 98   
 
 99   
     /** Have we set a next object? */
 100   
     private boolean nextObjectSet = false;
 101   
 
 102   
     /** Return only directories? */
 103   
     private boolean iterateDirectories = false;
 104   
 
 105  0
     public FileIterator(Project project,
 106   
                         Iterator fileSetIterator) {
 107  0
         this( project, fileSetIterator, false);
 108   
     }
 109   
 
 110  0
     public FileIterator(Project project,
 111   
                         Iterator fileSetIterator,
 112   
                         boolean iterateDirectories) {
 113  0
         this.project = project;
 114  0
         this.fileSetIterator = fileSetIterator;
 115  0
         this.iterateDirectories = iterateDirectories;
 116   
     }
 117   
     
 118   
     // Iterator interface
 119   
     //-------------------------------------------------------------------------
 120   
     
 121   
     /** @return true if there is another object that matches the given predicate */
 122  0
     public boolean hasNext() {
 123  0
         if ( nextObjectSet ) {
 124  0
             return true;
 125   
         } 
 126   
         else {
 127  0
             return setNextObject();
 128   
         }
 129   
     }
 130   
 
 131   
     /** @return the next object which matches the given predicate */
 132  0
     public Object next() {
 133  0
         if ( !nextObjectSet ) {
 134  0
             if (!setNextObject()) {
 135  0
                 throw new NoSuchElementException();
 136   
             }
 137   
         }
 138  0
         nextObjectSet = false;
 139  0
         return nextFile;
 140   
     }
 141   
     
 142   
     /**
 143   
      * throws UnsupportedOperationException 
 144   
      */
 145  0
     public void remove() {
 146  0
         throw new UnsupportedOperationException();
 147   
     }
 148   
 
 149   
     // Implementation methods
 150   
     //-------------------------------------------------------------------------
 151   
 
 152   
     /**
 153   
      * Set nextObject to the next object. If there are no more 
 154   
      * objects then return false. Otherwise, return true.
 155   
      */
 156  0
     private boolean setNextObject() {
 157  0
         while (true) {
 158  0
             while (ds == null) {
 159  0
                 if ( ! fileSetIterator.hasNext() ) {
 160  0
                     return false;
 161   
                 }
 162  0
                 FileSet fs = (FileSet) fileSetIterator.next();
 163  0
                 ds = fs.getDirectoryScanner(project);
 164  0
                 ds.scan();
 165  0
                 if (iterateDirectories) {
 166  0
                     files = ds.getIncludedDirectories();
 167   
                 } 
 168   
                 else {
 169  0
                     files = ds.getIncludedFiles();
 170   
                 }
 171  0
                 if ( files.length > 0 ) {
 172  0
                     fileIndex = -1;
 173  0
                     break;
 174   
                 }
 175   
                 else {
 176  0
                     ds = null;
 177   
                 }
 178   
             }
 179   
         
 180  0
             if ( ds != null && files != null ) {
 181  0
                 if ( ++fileIndex < files.length ) {
 182  0
                     nextFile = new File( ds.getBasedir(), files[fileIndex] );
 183  0
                     nextObjectSet = true;
 184  0
                     return true;
 185   
                 }
 186   
                 else {
 187  0
                     ds = null;
 188   
                 }
 189   
             }
 190   
         }
 191   
     }
 192   
 }
 193   
 
 194   
 
 195