1 /*
2 * Copyright 2004-2009 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.springmodules.validation.bean.rule;
18
19 import org.springmodules.validation.util.condition.Condition;
20 import org.springmodules.validation.util.condition.Conditions;
21
22 /**
23 * An {@link AbstractValidationRule} that represents a validation rule to validate string values based on a regular
24 * expression.
25 *
26 * @author Uri Boness
27 */
28 public class RegExpValidationRule extends AbstractValidationRule {
29
30 public final static String DEFAULT_ERROR_CODE = "regexp";
31
32 private String expression;
33
34 /**
35 * Constructs a new RegExpValidationRule with a given regular expression.
36 *
37 * @param expression The given regular expression.
38 */
39 public RegExpValidationRule(String expression) {
40 super(DEFAULT_ERROR_CODE, createErrorArgumentsResolver(expression));
41 this.expression = expression;
42 }
43
44 /**
45 * Returns the regular expression condition.
46 *
47 * @see org.springmodules.validation.bean.rule.AbstractValidationRule#getCondition()
48 */
49 public Condition getCondition() {
50 return Conditions.regexp(expression);
51 }
52
53 public static String getDefaultErrorCode() {
54 return DEFAULT_ERROR_CODE;
55 }
56
57 }