01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one
03: * or more contributor license agreements. See the NOTICE file
04: * distributed with this work for additional information
05: * regarding copyright ownership. The ASF licenses this file
06: * to you under the Apache License, Version 2.0 (the
07: * "License"); you may not use this file except in compliance
08: * with the License. You may obtain a copy of the License at
09: *
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: * @version $Revision: 601229 $, $Date: 2007-12-05 00:13:18 -0700 (Wed, 05 Dec 2007) $
29: */
30: public class NullEditor extends AbstractPropertyEditor {
31: @Override
32: protected String toText(Object value) {
33: if (String.valueOf(value).equalsIgnoreCase("null")) {
34: return null;
35: }
36: throw new IllegalArgumentException(
37: "value is not null or 'null'.");
38: }
39:
40: @Override
41: protected Object toValue(String text)
42: throws IllegalArgumentException {
43: if (text.equalsIgnoreCase("null")) {
44: return null;
45: }
46: throw new IllegalArgumentException(
47: "text is not null or 'null'.");
48: }
49: }
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