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Java > Open Source Codes > org > htmlparser > visitors > StringFindingVisitor


1 // HTMLParser Library $Name: v1_5_20050313 $ - A java-based parser for HTML
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// http://sourceforge.org/projects/htmlparser
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// Copyright (C) 2004 Joshua Kerievsky
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//
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// Revision Control Information
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//
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// $Source: /cvsroot/htmlparser/htmlparser/src/org/htmlparser/visitors/StringFindingVisitor.java,v $
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// $Author: derrickoswald $
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// $Date: 2004/05/24 16:18:36 $
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// $Revision: 1.40 $
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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27 package org.htmlparser.visitors;
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29 import java.util.Locale JavaDoc;
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31 import org.htmlparser.Text;
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33 public class StringFindingVisitor extends NodeVisitor
34 {
35     private String JavaDoc stringToFind;
36     private int foundCount;
37     private boolean multipleSearchesWithinStrings;
38     private Locale JavaDoc locale;
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40     public StringFindingVisitor(String JavaDoc stringToFind)
41     {
42         this (stringToFind, null);
43     }
44
45     public StringFindingVisitor(String JavaDoc stringToFind, Locale JavaDoc locale)
46     {
47         this.locale = (null == locale) ? Locale.ENGLISH : locale;
48         this.stringToFind = stringToFind.toUpperCase (this.locale);
49         foundCount = 0;
50         multipleSearchesWithinStrings = false;
51     }
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53     public void doMultipleSearchesWithinStrings()
54     {
55         multipleSearchesWithinStrings = true;
56     }
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58     public void visitStringNode(Text stringNode)
59     {
60         String JavaDoc stringToBeSearched = stringNode.getText().toUpperCase(locale);
61         if (!multipleSearchesWithinStrings &&
62             stringToBeSearched.indexOf(stringToFind) != -1) {
63             foundCount++;
64         } else if (multipleSearchesWithinStrings) {
65             int index = -1;
66             do {
67                 index = stringToBeSearched.indexOf(stringToFind, index+1);
68                 if (index!=-1)
69                     foundCount++;
70             } while (index != -1);
71         }
72     }
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74     public boolean stringWasFound()
75     {
76         return (0 != stringFoundCount());
77     }
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79     public int stringFoundCount()
80     {
81         return foundCount;
82     }
83
84 }
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