1 /*
2 * Redistribution and use of this software and associated documentation
3 * ("Software"), with or without modification, are permitted provided
4 * that the following conditions are met:
5 *
6 * 1. Redistributions of source code must retain copyright
7 * statements and notices. Redistributions must also contain a
8 * copy of this document.
9 *
10 * 2. Redistributions in binary form must reproduce the
11 * above copyright notice, this list of conditions and the
12 * following disclaimer in the documentation and/or other
13 * materials provided with the distribution.
14 *
15 * 3. The name "Exolab" must not be used to endorse or promote
16 * products derived from this Software without prior written
17 * permission of Intalio, Inc. For written permission,
18 * please contact info@exolab.org.
19 *
20 * 4. Products derived from this Software may not be called "Exolab"
21 * nor may "Exolab" appear in their names without prior written
22 * permission of Intalio, Inc. Exolab is a registered
23 * trademark of Intalio, Inc.
24 *
25 * 5. Due credit should be given to the Exolab Project
26 * (http://www.exolab.org/).
27 *
28 * THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32 * INTALIO, INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39 * OF THE POSSIBILITY OF SUCH DAMAGE.
40 *
41 * Copyright 2000 (C) Intalio, Inc. All Rights Reserved.
42 *
43 * $Id$
44 */
45 package org.exolab.castor.xml.util;
46
47 import org.exolab.castor.util.RegExpEvaluator;
48
49 /**
50 * A simple implementation of a regular expression validator which always
51 * returns true. This class can be used to "suppress" validation exceptions when
52 * no regular expression validator has been configured.
53 *
54 * @author <a href="mailto:kvisco@intalio.com">Keith Visco</a>
55 * @version $Revision$ $Date: 2003-03-03 00:05:44 -0700 (Mon, 03 Mar 2003) $
56 */
57 public class AlwaysTrueRegExpEvaluator implements RegExpEvaluator {
58
59 /**
60 * Creates a new AlwaysTrueRegExpEvaluator.
61 */
62 public AlwaysTrueRegExpEvaluator() {
63 super();
64 } //-- AlwaysTrueRegExpEvaluator
65
66 /**
67 * Sets the regular expression to match against during a call to #matches.
68 *
69 * @param rexpr the regular expression
70 */
71 public void setExpression(String rexpr) {
72 //-- nothing to do...we don't care since match will always evaluate to true
73 } //-- setExpression
74
75 /**
76 * Returns true if the given String is matched by the regular expression of
77 * this RegExpEvaluator.
78 *
79 * @param value the String to check the production of
80 * @return true if the given string matches the regular expression of this
81 * RegExpEvaluator
82 * @see #setExpression
83 */
84 public boolean matches(String value) {
85 return true;
86 } //-- matches
87
88 } //-- AlwaysTrueRegExpEvaluator