2 * Copyright 2005 the original author or authors.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package org.wamblee.conditions;
19 import java.lang.reflect.InvocationTargetException;
20 import java.util.regex.Matcher;
21 import java.util.regex.Pattern;
23 import org.apache.commons.beanutils.PropertyUtils;
26 * Condition to check whether a given property value matches a certain
29 * @author Erik Brakkee
31 public class PropertyRegexCondition<T> implements Condition<T> {
36 private String _property;
41 private Pattern _regex;
44 * Whether or not to convert the value to lowercase before matching.
46 private boolean _tolower;
49 * Constructs the condition.
50 * @param aProperty Name of the property to examine.
51 * @param aRegex Regular expression to use.
52 * @param aTolower Whether or not to convert the value to lowercase before matching.
54 public PropertyRegexCondition(String aProperty, String aRegex, boolean aTolower) {
55 _property = aProperty;
56 _regex = Pattern.compile(aRegex);
61 * @see org.wamblee.conditions.Condition#matches(T)
63 public boolean matches(T aObject) {
65 String value = PropertyUtils.getProperty(aObject, _property) + "";
67 value = value.toLowerCase();
69 Matcher matcher = _regex.matcher(value);
70 return matcher.matches();
71 } catch (IllegalAccessException e) {
72 throw new RuntimeException(e.getMessage(), e);
73 } catch (InvocationTargetException e) {
74 throw new RuntimeException(e.getMessage(), e);
75 } catch (NoSuchMethodException e) {
76 throw new RuntimeException(e.getMessage(), e);