| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.commons.proxy.interceptor.filter; |
| |
| import org.apache.commons.proxy.interceptor.MethodFilter; |
| |
| import java.lang.reflect.Method; |
| |
| /** |
| * A method filter implementation that returns true if the method's name matches a supplied regular expression (JDK |
| * regex) pattern string. |
| * |
| * @author James Carman |
| * @since 1.0 |
| */ |
| public class PatternFilter implements MethodFilter |
| { |
| //---------------------------------------------------------------------------------------------------------------------- |
| // Fields |
| //---------------------------------------------------------------------------------------------------------------------- |
| |
| public static String GETTER_SETTER_PATTERN = "get\\w+|set\\w+"; |
| private final String pattern; |
| |
| //---------------------------------------------------------------------------------------------------------------------- |
| // Static Methods |
| //---------------------------------------------------------------------------------------------------------------------- |
| |
| /** |
| * Returns a {@link MethodFilter} which accepts only "getters" and "setters." |
| * |
| * @return a {@link MethodFilter} which accepts only "getters" and "setters." |
| */ |
| public static MethodFilter getterSetterFilter() |
| { |
| return new PatternFilter( GETTER_SETTER_PATTERN ); |
| } |
| |
| //---------------------------------------------------------------------------------------------------------------------- |
| // Constructors |
| //---------------------------------------------------------------------------------------------------------------------- |
| |
| public PatternFilter( String pattern ) |
| { |
| this.pattern = pattern; |
| } |
| |
| //---------------------------------------------------------------------------------------------------------------------- |
| // MethodFilter Implementation |
| //---------------------------------------------------------------------------------------------------------------------- |
| |
| public boolean accepts( Method method ) |
| { |
| return method.getName().matches( pattern ); |
| } |
| } |
| |