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 import java.beans.PropertyEditorSupport;
24
25 /**
26 * An abstract bi-directional {@link PropertyEditor}.
27 *
28 * @author <a href="http://mina.apache.org">Apache MINA Project</a>
29 */
30 public abstract class AbstractPropertyEditor extends PropertyEditorSupport {
31
32 private String text;
33
34 private Object value;
35
36 private boolean trimText = true;
37
38 protected void setTrimText(boolean trimText) {
39 this.trimText = trimText;
40 }
41
42 @Override
43 public String getAsText() {
44 return text;
45 }
46
47 @Override
48 public Object getValue() {
49 return value;
50 }
51
52 @Override
53 public void setAsText(String text) throws IllegalArgumentException {
54 this.text = text;
55 if (text == null) {
56 value = defaultValue();
57 } else {
58 value = toValue(trimText ? text.trim() : text);
59 }
60 }
61
62 @Override
63 public void setValue(Object value) {
64 this.value = value;
65 if (value == null) {
66 text = defaultText();
67 } else {
68 text = toText(value);
69 }
70 }
71
72 protected String defaultText() {
73 return null;
74 }
75
76 protected Object defaultValue() {
77 return null;
78 }
79
80 protected abstract String toText(Object value);
81
82 protected abstract Object toValue(String text) throws IllegalArgumentException;
83
84 }