1 /*
2 * $Header$
3 * $Revision$
4 * $Date$
5 *
6 * ====================================================================
7 *
8 * Copyright 2000-2002 bob mcwhirter & James Strachan.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions are
13 * met:
14 *
15 * * Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 *
18 * * Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 *
22 * * Neither the name of the Jaxen Project nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
27 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
29 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
30 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
31 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
32 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
33 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
34 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
35 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 *
38 * ====================================================================
39 * This software consists of voluntary contributions made by many
40 * individuals on behalf of the Jaxen Project and was originally
41 * created by bob mcwhirter <bob@werken.com> and
42 * James Strachan <jstrachan@apache.org>. For more information on the
43 * Jaxen Project, please see <http://www.jaxen.org/>.
44 *
45 * $Id$
46 */
47
48 package org.jaxen.function.ext;
49
50 import java.util.List;
51
52 import org.jaxen.Context;
53 import org.jaxen.Function;
54 import org.jaxen.FunctionCallException;
55 import org.jaxen.Navigator;
56 import org.jaxen.function.StringFunction;
57
58 /**
59 * <p><code><i>boolean</i> ends-with(<i>string</i>,<i>string</i>)</code>
60 *
61 * @author mark wilson (markw @ wilsoncom.de)
62 */
63 public class EndsWithFunction implements Function
64 {
65
66 public Object call(Context context,
67 List args) throws FunctionCallException
68 {
69 if (args.size() == 2)
70 {
71 return evaluate( args.get(0),
72 args.get(1),
73 context.getNavigator() );
74 }
75
76 throw new FunctionCallException( "ends-with() requires two arguments." );
77 }
78
79 public static Boolean evaluate(Object strArg,
80 Object matchArg,
81 Navigator nav)
82 {
83 String str = StringFunction.evaluate( strArg,
84 nav );
85
86 String match = StringFunction.evaluate( matchArg,
87 nav );
88
89 return ( str.endsWith(match)
90 ? Boolean.TRUE
91 : Boolean.FALSE
92 );
93 }
94 }