--- /dev/null
+/*
+ * Copyright 2005 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.wamblee.conditions;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.apache.commons.beanutils.PropertyUtils;
+
+/**
+ * Condition to check whether a given property value matches a certain
+ * regular expression.
+ */
+public class PropertyRegexCondition<T> implements Condition<T> {
+
+ /**
+ * Property name.
+ */
+ private String _property;
+
+ /**
+ * Regular expression.
+ */
+ private Pattern _regex;
+
+ /**
+ * Constructs the condition.
+ * @param aProperty Name of the property to examine.
+ * @param aRegex Regular expression to use.
+ */
+ public PropertyRegexCondition(String aProperty, String aRegex) {
+ _property = aProperty;
+ _regex = Pattern.compile(aRegex);
+ }
+
+ /* (non-Javadoc)
+ * @see org.wamblee.conditions.Condition#matches(T)
+ */
+ public boolean matches(T aObject) {
+ try {
+ String value = PropertyUtils.getProperty(aObject, _property) + "";
+ Matcher matcher = _regex.matcher(value);
+ return matcher.matches();
+ } catch (IllegalAccessException e) {
+ throw new RuntimeException(e.getMessage(), e);
+ } catch (InvocationTargetException e) {
+ throw new RuntimeException(e.getMessage(), e);
+ } catch (NoSuchMethodException e) {
+ throw new RuntimeException(e.getMessage(), e);
+ }
+ }
+}