2 * Copyright 2005-2010 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.
16 package org.wamblee.conditions;
18 import org.apache.commons.beanutils.PropertyUtils;
20 import java.lang.reflect.InvocationTargetException;
22 import java.util.regex.Matcher;
23 import java.util.regex.Pattern;
26 * Condition to check whether a given property of an object matches a certain regular
27 * expression. The method name to use of the object passed in to
28 * {@link #matches(Object)} is obtained using the Javabean conventions.
30 * @author Erik Brakkee
33 public class PropertyRegexCondition<T> implements Condition<T> {
37 private String property;
42 private Pattern regex;
45 * Whether or not to convert the value to lowercase before matching.
47 private boolean tolower;
50 * Constructs the condition.
53 * Name of the property to examine.
55 * Regular expression to use.
57 * Whether or not to convert the value to lowercase before
60 public PropertyRegexCondition(String aProperty, String aRegex,
63 regex = Pattern.compile(aRegex);
70 * @see org.wamblee.conditions.Condition#matches(T)
72 public boolean matches(T aObject) {
74 String value = PropertyUtils.getProperty(aObject, property) + "";
77 value = value.toLowerCase();
80 Matcher matcher = regex.matcher(value);
82 return matcher.matches();
83 } catch (IllegalAccessException e) {
84 throw new RuntimeException(e.getMessage(), e);
85 } catch (InvocationTargetException e) {
86 throw new RuntimeException(e.getMessage(), e);
87 } catch (NoSuchMethodException e) {
88 throw new RuntimeException(e.getMessage(), e);