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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/*******************************************************************************
* Copyright (c) 2001, 2007 Oracle Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Oracle Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.jsf.common.util;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jst.jsf.common.JSFCommonPlugin;
/**
* A writable version of the JDTBeanProperty object
*
* This class may not be sub-classed by clients
*
* @author cbateman
*
*/
public class JDTBeanPropertyWorkingCopy extends JDTBeanProperty
{
private final List _setters;
/**
* the IMethod for the boolean "is" accessor method
*/
private IMethod _isGetter;
private final Map<String, String> _resolvedSignatureMap;
/**
* @param type
* @param resolvedSignatureMap
*/
public JDTBeanPropertyWorkingCopy(IType type, Map<String, String> resolvedSignatureMap)
{
super(type);
_setters = new ArrayList();
_resolvedSignatureMap = resolvedSignatureMap;
}
/**
* Constructor
* @param type
*/
public JDTBeanPropertyWorkingCopy(IType type)
{
super(type);
_setters = new ArrayList();
_resolvedSignatureMap = new HashMap<String, String>();
}
/**
* @return the bean properties spawned from this working copy
* Normally, there is only one property in the array, however,
* since this working copy represents all properties with the same
* name, there could be multiple properties since setters can
* be overloaded by name and could result in zero or one readable
* properties plus zero or more write-only properties with the same
* name. I can't see anywhere in the spec that covers this
* boundary case
*/
public JDTBeanProperty toValueObject()
{
// if the isGetter is present that it takes precedence
// over the the normal getter
IMethod getter = getIsGetter() != null ?
getIsGetter() : getGetter();
IMethod matchedSetter = null;
if (getter != null)
{
matchedSetter = determineMatchedSetter(getter);
}
// if there's no getter than pick any setter: there
// are bigger problem when there's no getter than
// ambiguous setters
else if (_setters.size() > 0)
{
matchedSetter = (IMethod) _setters.get(0);
}
JDTBeanProperty beanProp = new JDTBeanProperty(_type);
beanProp.setGetter(getter);
beanProp.setSetter(matchedSetter);
return beanProp;
}
private IMethod determineMatchedSetter(IMethod getter)
{
IMethod matchedSetter = null;
// if there are no setters, there is no point in proceeding
if (_setters.size() < 1)
{
return null;
}
try
{
final String getterSig = getResolvedSignature(_type, getter.getReturnType());
FIND_MATCHING_SETTER:for
(final Iterator it = _setters.iterator(); it.hasNext();)
{
final IMethod setter = (IMethod) it.next();
assert (setter.getNumberOfParameters() == 1);
final String paramSig =
getResolvedSignature
(_type,setter.getParameterTypes()[0]);
if (paramSig.equals(getterSig))
{
// we've found our match since only one
// setter with the same name as the getter
// can have the same matching type for a
// single arg method
matchedSetter = setter;
break FIND_MATCHING_SETTER;
}
}
}
catch (JavaModelException jme)
{
JSFCommonPlugin.log(jme, "Error determining getter return type, bean properties analysis may be inaccurate"); //$NON-NLS-1$
}
return matchedSetter;
}
//@Override
public void setGetter(IMethod getter) {
super.setGetter(getter);
}
/**
* @param isGetter
*/
public void setIsGetter(IMethod isGetter) {
_isGetter = isGetter;
}
/**
* @param setter
*/
public void addSetter(IMethod setter) {
if (setter != null
&& setter.getNumberOfParameters() == 1)
{
_setters.add(setter);
}
}
/**
* Not supported on working copy. This is synthetically generated
* on toValueObject()
* @return nothing; throws exception
*/
public final IMethod getSetter()
{
throw new UnsupportedOperationException("Setter not calculated in working copy. Call toValueObject().getSetter()"); //$NON-NLS-1$
}
/**
* @return the "is" getter method or null if not found
*/
public IMethod getIsGetter() {
return _isGetter;
}
private String getResolvedSignature(final IType type, final String unresolved)
{
String resolved = _resolvedSignatureMap.get(unresolved);
if (resolved == null)
{
resolved = TypeUtil.resolveTypeSignature(_type, unresolved);
_resolvedSignatureMap.put(unresolved, resolved);
}
return resolved;
}
}
|
