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