Clover coverage report - Ant Coverage
Coverage timestamp: Tue Apr 8 2003 20:43:55 EST
file stats: LOC: 136   Methods: 4
NCLOC: 45   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
MajoritySelector.java 0% 0% 0% 0%
 1   
 /*
 2   
  * The Apache Software License, Version 1.1
 3   
  *
 4   
  * Copyright (c) 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.types.selectors;
 56   
 
 57   
 import java.io.File;
 58   
 import java.util.Enumeration;
 59   
 
 60   
 /**
 61   
  * This selector is here just to shake up your thinking a bit. Don't get
 62   
  * too caught up in boolean, there are other ways you can evaluate a
 63   
  * collection of selectors. This one takes a vote of the selectors it
 64   
  * contains, and majority wins. You could also have an "all-but-one"
 65   
  * selector, a "weighted-average" selector, and so on. These are left
 66   
  * as exercises for the reader (as are the usecases where this would
 67   
  * be necessary).
 68   
  *
 69   
  * @author <a href="mailto:bruce@callenish.com">Bruce Atherton</a>
 70   
  * @since 1.5
 71   
  */
 72   
 public class MajoritySelector extends BaseSelectorContainer {
 73   
 
 74   
     private boolean allowtie = true;
 75   
 
 76   
     /**
 77   
      * Default constructor.
 78   
      */
 79  0
     public MajoritySelector() {
 80   
     }
 81   
 
 82  0
     public String toString() {
 83  0
         StringBuffer buf = new StringBuffer();
 84  0
         if (hasSelectors()) {
 85  0
             buf.append("{majorityselect: ");
 86  0
             buf.append(super.toString());
 87  0
             buf.append("}");
 88   
         }
 89  0
         return buf.toString();
 90   
     }
 91   
 
 92  0
     public void setAllowtie(boolean tiebreaker) {
 93  0
         allowtie = tiebreaker;
 94   
     }
 95   
 
 96   
     /**
 97   
      * Returns true (the file is selected) if most of the other selectors
 98   
      * agree. In case of a tie, go by the allowtie setting. That defaults
 99   
      * to true, meaning in case of a tie, the file is selected.
 100   
      *
 101   
      * @param basedir the base directory the scan is being done from
 102   
      * @param filename is the name of the file to check
 103   
      * @param file is a java.io.File object for the filename that the selector
 104   
      * can use
 105   
      * @return whether the file should be selected or not
 106   
      */
 107  0
     public boolean isSelected(File basedir, String filename, File file) {
 108  0
         validate();
 109  0
         int yesvotes = 0;
 110  0
         int novotes = 0;
 111  0
         Enumeration e = selectorElements();
 112  0
         boolean result;
 113   
 
 114  0
         while(e.hasMoreElements()) {
 115  0
             result = ((FileSelector)e.nextElement()).isSelected(basedir,
 116   
                     filename,file);
 117  0
             if (result) {
 118  0
                 yesvotes = yesvotes + 1;
 119   
             }
 120   
             else {
 121  0
                 novotes = novotes + 1;
 122   
             }
 123   
         }
 124  0
         if (yesvotes > novotes)
 125   
         {
 126  0
             return true;
 127   
         }
 128  0
         else if (novotes > yesvotes) {
 129  0
             return false;
 130   
         }
 131   
         // At this point, we know we have a tie.
 132  0
         return allowtie;
 133   
     }
 134   
 }
 135   
 
 136