Coverage report

  %line %branch
net.sf.classifier4J.DefaultStopWordsProvider
82% 
75% 

 1   
 /*
 2   
  * ====================================================================
 3   
  *
 4   
  * The Apache Software License, Version 1.1
 5   
  *
 6   
  * Copyright (c) 2003 Nick Lothian. All rights reserved.
 7   
  *
 8   
  * Redistribution and use in source and binary forms, with or without
 9   
  * modification, are permitted provided that the following conditions
 10   
  * are met:
 11   
  *
 12   
  * 1. Redistributions of source code must retain the above copyright
 13   
  *    notice, this list of conditions and the following disclaimer.
 14   
  *
 15   
  * 2. Redistributions in binary form must reproduce the above copyright
 16   
  *    notice, this list of conditions and the following disclaimer in
 17   
  *    the documentation and/or other materials provided with the
 18   
  *    distribution.
 19   
  *
 20   
  * 3. The end-user documentation included with the redistribution, if
 21   
  *    any, must include the following acknowlegement:
 22   
  *       "This product includes software developed by the
 23   
  *        developers of Classifier4J (http://classifier4j.sf.net/)."
 24   
  *    Alternately, this acknowlegement may appear in the software itself,
 25   
  *    if and wherever such third-party acknowlegements normally appear.
 26   
  *
 27   
  * 4. The name "Classifier4J" must not be used to endorse or promote
 28   
  *    products derived from this software without prior written
 29   
  *    permission. For written permission, please contact
 30   
  *    http://sourceforge.net/users/nicklothian/.
 31   
  *
 32   
  * 5. Products derived from this software may not be called
 33   
  *    "Classifier4J", nor may "Classifier4J" appear in their names
 34   
  *    without prior written permission. For written permission, please
 35   
  *    contact http://sourceforge.net/users/nicklothian/.
 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   
 
 52   
 package net.sf.classifier4J;
 53   
 
 54   
 import java.util.Arrays;
 55   
 
 56   
 import net.sf.classifier4J.util.ToStringBuilder;
 57   
 
 58   
 
 59   
 /**
 60   
  * @author Nick Lothian
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  * @author Peter Leschev
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  */
 63   
 public class DefaultStopWordsProvider implements IStopWordProvider {
 64   
     // This array is sorted in the constructor
 65  32 
     private String[] stopWords = { "a", "and", "the", "me", "i", "of", "if", "it", "is", "they", "there", "but", "or", "to", "this", "you", "in", "your", "on", "for", "as", "are", "that", "with", "have", "be", "at", "or", "was", "so", "out", "not", "an" };
 66  32 
     private String[] sortedStopWords = null;
 67   
 
 68  32 
     public DefaultStopWordsProvider() {
 69  32 
         sortedStopWords = getStopWords();
 70  32 
         Arrays.sort(sortedStopWords);
 71  32 
     }
 72   
 
 73   
     /**
 74   
      * getter method which can be overridden to
 75   
      * supply the stop words. The array returned by this
 76   
      * method is sorted and then used internally
 77   
      *
 78   
      * @return the array of stop words
 79   
      */
 80   
     public String[] getStopWords() {
 81  32 
         return stopWords;
 82   
     }
 83   
 
 84   
     /**
 85   
      * @see net.sf.classifier4J.IStopWordProvider#isStopWord(java.lang.String)
 86   
      */
 87   
     public boolean isStopWord(String word) {
 88  1836 
         if (word == null || "".equals(word)) {
 89  0 
             return false;
 90   
         } else {
 91   
             // search the sorted array for the word, converted to lowercase
 92   
             // if it is found, the index will be >= 0
 93  1836 
             return (Arrays.binarySearch(sortedStopWords, word.toLowerCase()) >= 0);
 94   
         }
 95   
     }
 96   
 
 97   
     public String toString() {
 98  0 
         return new ToStringBuilder(this).append("stopWords.size()", sortedStopWords.length).toString();
 99   
     }
 100   
 }

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