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14 package org.eclipse.jdt.core.dom;
15
16 import org.eclipse.jdt.core.IJavaElement;
17 import org.eclipse.jdt.internal.compiler.impl.Constant;
18 import org.eclipse.jdt.internal.compiler.lookup.ElementValuePair;
19 import org.eclipse.jdt.internal.compiler.lookup.MethodBinding;
20 import org.eclipse.jdt.internal.compiler.lookup.TypeIds;
21
22
25 class MemberValuePairBinding implements IMemberValuePairBinding {
26 static final MemberValuePairBinding[] NoPair = new MemberValuePairBinding[0];
27 private static final Object  NoValue = new Object ();
28 private static final Object [] EmptyArray = new Object [0];
29
30 private ElementValuePair internalPair;
31 protected Object value = null;
32 protected BindingResolver bindingResolver;
33
34 static void appendValue(Object value, StringBuffer buffer) {
35 if (value instanceof Object []) {
36 Object [] values = (Object []) value;
37 buffer.append('{');
38 for (int i = 0, l = values.length; i < l; i++) {
39 if (i != 0)
40 buffer.append(", "); appendValue(values[i], buffer);
42 }
43 buffer.append('}');
44 } else if (value instanceof ITypeBinding) {
45 buffer.append(((ITypeBinding) value).getName());
46 buffer.append(".class"); } else {
48 buffer.append(value);
49 }
50 }
51
52 static Object buildDOMValue(final Object internalObject, BindingResolver resolver) {
53 if (internalObject == null)
54 return null;
55
56 if (internalObject instanceof Constant) {
57 Constant constant = (Constant) internalObject;
58 switch (constant.typeID()) {
59 case TypeIds.T_boolean:
60 return Boolean.valueOf(constant.booleanValue());
61 case TypeIds.T_byte:
62 return new Byte (constant.byteValue());
63 case TypeIds.T_char:
64 return new Character (constant.charValue());
65 case TypeIds.T_double:
66 return new Double (constant.doubleValue());
67 case TypeIds.T_float:
68 return new Float (constant.floatValue());
69 case TypeIds.T_int:
70 return new Integer (constant.intValue());
71 case TypeIds.T_long:
72 return new Long (constant.longValue());
73 case TypeIds.T_short:
74 return new Short (constant.shortValue());
75 case TypeIds.T_JavaLangString:
76 return constant.stringValue();
77 }
78 } else if (internalObject instanceof org.eclipse.jdt.internal.compiler.lookup.TypeBinding) {
79 return resolver.getTypeBinding((org.eclipse.jdt.internal.compiler.lookup.TypeBinding) internalObject);
80 } else if (internalObject instanceof org.eclipse.jdt.internal.compiler.lookup.AnnotationBinding) {
81 return resolver.getAnnotationInstance((org.eclipse.jdt.internal.compiler.lookup.AnnotationBinding) internalObject);
82 } else if (internalObject instanceof org.eclipse.jdt.internal.compiler.lookup.FieldBinding) {
83 return resolver.getVariableBinding((org.eclipse.jdt.internal.compiler.lookup.FieldBinding) internalObject);
84 } else if (internalObject instanceof Object []) {
85 Object [] elements = (Object []) internalObject;
86 int length = elements.length;
87 Object [] values = length == 0 ? EmptyArray : new Object [length];
88 for (int i = 0; i < length; i++)
89 values[i] = buildDOMValue(elements[i], resolver);
90 return values;
91 }
92 return null;
93 }
94
95 MemberValuePairBinding(ElementValuePair pair, BindingResolver resolver) {
96 this.internalPair = pair;
97 this.bindingResolver = resolver;
98 }
99
100 public IAnnotationBinding[] getAnnotations() {
101 return AnnotationBinding.NoAnnotations;
102 }
103
104 public IJavaElement getJavaElement() {
105 return null;
106 }
107
108 public String getKey() {
109 return null;
111 }
112
113 public int getKind() {
114 return IBinding.MEMBER_VALUE_PAIR;
115 }
116
117 public IMethodBinding getMethodBinding() {
118 return this.bindingResolver.getMethodBinding(this.internalPair.getMethodBinding());
119 }
120
121 public int getModifiers() {
122 return Modifier.NONE;
123 }
124
125 public String getName() {
126 if (this.internalPair == null)
127 return null;
128 final char[] membername = this.internalPair.getName();
129 return membername == null ? null : new String (membername);
130 }
131
132 public Object getValue() {
133 if (value == null)
134 init();
135 return value == NoValue ? null : this.value;
136 }
137
138 private void init() {
139 this.value = buildDOMValue(this.internalPair.getValue(), this.bindingResolver);
140 if (this.value == null)
141 this.value = NoValue;
142 }
143
144 char[] internalName() {
145 return this.internalPair == null ? null : this.internalPair.getName();
146 }
147
148 public boolean isDefault() {
149 Object value2 = getValue();
150 Object defaultValue = getMethodBinding().getDefaultValue();
151 if (value2 instanceof IBinding) {
152 if (defaultValue instanceof IBinding) {
153 return ((IBinding) value2).isEqualTo((IBinding) defaultValue);
154 }
155 return false;
156 }
157 if (defaultValue == null) return false;
158 return defaultValue.equals(value2);
159 }
160
161 public boolean isDeprecated() {
162 MethodBinding methodBinding = this.internalPair.getMethodBinding();
163 return methodBinding == null ? false : methodBinding.isDeprecated();
164 }
165
166 public boolean isEqualTo(IBinding binding) {
167 if (this == binding)
168 return true;
169 if (binding.getKind() != IBinding.MEMBER_VALUE_PAIR)
170 return false;
171 IMemberValuePairBinding other = (IMemberValuePairBinding) binding;
172 if (!getMethodBinding().isEqualTo(other.getMethodBinding())) {
173 return false;
174 }
175 Object otherValue = other.getValue();
176 Object currentValue = getValue();
177 if (currentValue == null) {
178 return otherValue == null;
179 }
180 if (currentValue instanceof IBinding) {
181 if (otherValue instanceof IBinding) {
182 return ((IBinding) currentValue).isEqualTo((IBinding) otherValue);
183 }
184 return false;
185 }
186 return currentValue.equals(otherValue);
187 }
188
189
193 public boolean isRecovered() {
194 return false;
195 }
196
197 public boolean isSynthetic() {
198 return false;
199 }
200
201 public String toString() {
202 StringBuffer buffer = new StringBuffer ();
203 buffer.append(getName());
204 buffer.append(" = "); appendValue(getValue(), buffer);
206 return buffer.toString();
207 }
208 }
209 |
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