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


1 // HTMLParser Library $Name: v1_5_20050313 $ - A java-based parser for HTML
2 // http://sourceforge.org/projects/htmlparser
3 // Copyright (C) 2004 Somik Raha
4 //
5 // Revision Control Information
6 //
7 // $Source: /cvsroot/htmlparser/htmlparser/src/org/htmlparser/visitors/LinkFindingVisitor.java,v $
8 // $Author: derrickoswald $
9 // $Date: 2004/05/24 00:38:19 $
10 // $Revision: 1.36 $
11 //
12 // This library is free software; you can redistribute it and/or
13 // modify it under the terms of the GNU Lesser General Public
14 // License as published by the Free Software Foundation; either
15 // version 2.1 of the License, or (at your option) any later version.
16 //
17 // This library is distributed in the hope that it will be useful,
18 // but WITHOUT ANY WARRANTY; without even the implied warranty of
19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 // Lesser General Public License for more details.
21 //
22 // You should have received a copy of the GNU Lesser General Public
23 // License along with this library; if not, write to the Free Software
24 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 //
26
27 package org.htmlparser.visitors;
28
29 import java.util.Locale JavaDoc;
30 import org.htmlparser.tags.LinkTag;
31
32 import org.htmlparser.Tag;
33
34 public class LinkFindingVisitor extends NodeVisitor
35 {
36     private String JavaDoc linkTextToFind;
37     private int count;
38     private Locale JavaDoc locale;
39
40     public LinkFindingVisitor (String JavaDoc linkTextToFind)
41     {
42         this (linkTextToFind, null);
43     }
44
45     public LinkFindingVisitor (String JavaDoc linkTextToFind, Locale JavaDoc locale)
46     {
47         count = 0;
48         this.locale = (null == locale) ? Locale.ENGLISH : locale;
49         this.linkTextToFind = linkTextToFind.toUpperCase (this.locale);
50     }
51
52     public void visitTag(Tag tag)
53     {
54         if (tag instanceof LinkTag)
55             if (-1 != ((LinkTag)tag).getLinkText ().toUpperCase (locale).indexOf (linkTextToFind))
56                 count++;
57     }
58
59     public boolean linkTextFound()
60     {
61         return (0 != count);
62     }
63
64     public int getCount()
65     {
66         return (count);
67     }
68
69 }
70
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