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Java > Open Source Codes > edu > umd > cs > findbugs > filter > StringSetMatch


1 /*
2  * FindBugs - Find Bugs in Java programs
3  * Copyright (C) 2006, University of Maryland
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  */
19
20 package edu.umd.cs.findbugs.filter;
21
22 import java.util.HashSet JavaDoc;
23 import java.util.Set JavaDoc;
24 import java.util.StringTokenizer JavaDoc;
25
26 import edu.umd.cs.findbugs.BugInstance;
27
28 /**
29  * Matches a string against a set of predefined values.
30  *
31  * Value set is defined using a String containing a comma separated value list.
32  * Heading an trailing whitespace on the values is ignored in matching.
33  *
34  * @author rak
35  */
36 public class StringSetMatch {
37     private Set JavaDoc<String JavaDoc> strings = new HashSet JavaDoc<String JavaDoc>();
38
39     /**
40      * Constructor.
41      *
42      * @param strings comma-separated list of Strings
43      */
44     public StringSetMatch(String JavaDoc strings) {
45         if (strings != null) {
46             StringTokenizer JavaDoc tok = new StringTokenizer JavaDoc(strings, ",");
47             while (tok.hasMoreTokens()) {
48                 this.strings.add(tok.nextToken().trim());
49             }
50         }
51     }
52
53     /**
54      * Returns true if the given string is contained in the value set.
55      *
56      * @param string
57      * @return true if the given string is contained in the value set
58      */
59     public boolean match(String JavaDoc string) {
60         return strings.contains(string.trim());
61     }
62 }
63
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