/
EnumerationWiseTreeElement.java
115 lines (104 loc) · 3.28 KB
/
EnumerationWiseTreeElement.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
/*
* JBoss, Home of Professional Open Source
* Copyright 2012, Red Hat, Inc. and/or its affiliates, and individual
* contributors by the @authors tag. See the copyright.txt in the
* distribution for a full listing of individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.wise.gui.treeElement;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import org.jboss.wise.core.exception.WiseRuntimeException;
/**
* A simple tree element to handle enumerations.
*
* @author alessio.soldano@jboss.com
*/
public class EnumerationWiseTreeElement extends SimpleWiseTreeElement {
private static final long serialVersionUID = 5492389675960954725L;
public EnumerationWiseTreeElement() {
this.kind = ENUMERATION;
}
public EnumerationWiseTreeElement(Class<?> classType, String name, String value) {
this.kind = ENUMERATION;
this.classType = classType;
this.nil = value == null;
this.name = name;
this.value = value;
}
@Override
public WiseTreeElement clone() {
EnumerationWiseTreeElement element = new EnumerationWiseTreeElement();
element.setName(this.name);
element.setNil(this.nil);
element.setClassType(this.classType);
element.setValue(this.value);
element.setRemovable(this.isRemovable());
element.setNillable(this.isNillable());
return element;
}
@Override
public void enforceNotNillable() {
this.nillable = false;
this.nil = false;
this.value = getValidValue().keySet().iterator().next();
}
@Override
public void parseObject(Object obj) {
if (obj != null) {
try {
Method method = obj.getClass().getMethod("value");
this.value = (String) method.invoke(obj);
this.nil = value == null;
} catch (Exception e) {
throw new WiseRuntimeException("Type format error", e);
}
} else {
this.setValue(null);
}
}
/**
* Gets the valid values of the enumeration corresponding to this tree
* element.
*
* @return
*/
public Map<String, String> getValidValue() {
HashMap<String, String> returnMap = new HashMap<String, String>();
for (Object obj : ((Class<?>) classType).getEnumConstants()) {
String valueOfEnum;
try {
Method method = obj.getClass().getMethod("value");
valueOfEnum = (String) method.invoke(obj);
returnMap.put(valueOfEnum, valueOfEnum);
} catch (Exception e) {
throw new WiseRuntimeException("Type format error", e);
}
}
return returnMap;
}
@Override
public Object toObject() {
Class<?> cl = (Class<?>) classType;
try {
if (this.isNil()) {
return null;
}
Method method = cl.getMethod("fromValue", String.class);
Object obj = method.invoke(null, value);
return obj;
} catch (Exception e) {
throw new WiseRuntimeException("Type format error", e);
}
}
}