001 package org.apache.commons.ognl; 002 003 /* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022 import java.util.Map; 023 024 /** 025 * Implementation of NullHandler that returns null in all cases, so that NullPointerException will be thrown by the 026 * caller. 027 * 028 * @author Luke Blanshard (blanshlu@netscape.net) 029 * @author Drew Davidson (drew@ognl.org) 030 */ 031 public class ObjectNullHandler 032 implements NullHandler 033 { 034 /* NullHandler interface */ 035 public Object nullMethodResult( Map<String, Object> context, Object target, String methodName, Object[] args ) 036 { 037 return null; 038 } 039 040 public Object nullPropertyValue( Map<String, Object> context, Object target, Object property ) 041 { 042 return null; 043 } 044 }