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