1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 *
19 */
20 package org.apache.mina.integration.beans;
21
22 import java.beans.PropertyEditor;
23
24 /**
25 * A dummy {@link PropertyEditor} for <tt>null</tt>.
26 *
27 * @author The Apache MINA Project (dev@mina.apache.org)
28 */
29 public class NullEditor extends AbstractPropertyEditor {
30 @Override
31 protected String toText(Object value) {
32 if (String.valueOf(value).equalsIgnoreCase("null")) {
33 return null;
34 }
35 throw new IllegalArgumentException("value is not null or 'null'.");
36 }
37
38 @Override
39 protected Object toValue(String text) throws IllegalArgumentException {
40 if (text.equalsIgnoreCase("null")) {
41 return null;
42 }
43 throw new IllegalArgumentException("text is not null or 'null'.");
44 }
45 }