001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020package org.apache.mina.integration.beans; 021 022import java.beans.PropertyEditor; 023 024/** 025 * A dummy {@link PropertyEditor} for <tt>null</tt>. 026 * 027 * @author <a href="http://mina.apache.org">Apache MINA Project</a> 028 */ 029public class NullEditor extends AbstractPropertyEditor { 030 @Override 031 protected String toText(Object value) { 032 if (String.valueOf(value).equalsIgnoreCase("null")) { 033 return null; 034 } 035 throw new IllegalArgumentException("value is not null or 'null'."); 036 } 037 038 @Override 039 protected Object toValue(String text) throws IllegalArgumentException { 040 if (text.equalsIgnoreCase("null")) { 041 return null; 042 } 043 throw new IllegalArgumentException("text is not null or 'null'."); 044 } 045}