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1
52
53 package com.go.trove.classfile;
54
55 import java.io.*;
56
57
65 public class ConstantClassInfo extends ConstantInfo {
66 private String  mClassName;
67 private int mDim;
68 private TypeDescriptor mType;
69
70 private ConstantUTFInfo mNameConstant;
71
72
77 static ConstantClassInfo make(ConstantPool cp, String className) {
78 ConstantInfo ci = new ConstantClassInfo(cp, className);
79 return (ConstantClassInfo)cp.addConstant(ci);
80 }
81
82
83 static ConstantClassInfo make(ConstantPool cp,
84 String className, int dim) {
85 ConstantInfo ci = new ConstantClassInfo(cp, className, dim);
86 return (ConstantClassInfo)cp.addConstant(ci);
87 }
88
89 static ConstantClassInfo make(ConstantPool cp,
90 TypeDescriptor type) {
91 ConstantInfo ci = new ConstantClassInfo(cp, type);
92 return (ConstantClassInfo)cp.addConstant(ci);
93 }
94
95 ConstantClassInfo(ConstantUTFInfo nameConstant) {
96 super(TAG_CLASS);
97 mNameConstant = nameConstant;
98 String name = nameConstant.getValue();
99 if (!name.endsWith(";") && !name.startsWith("[")) {
100 mClassName = name.replace('/', '.');
101 mDim = 0;
102 }
103 else {
104 TypeDescriptor desc = TypeDescriptor.parseTypeDesc(name);
105 mClassName = desc.getClassName();
106 mDim = desc.getDimensions();
107 }
108 }
109
110 private ConstantClassInfo(ConstantPool cp, String className) {
111 super(TAG_CLASS);
112
113 mClassName = className;
114 mDim = 0;
115
116 String desc = className.replace('.', '/');
117 mNameConstant = ConstantUTFInfo.make(cp, desc);
118 }
119
120
121 private ConstantClassInfo(ConstantPool cp, String className, int dim) {
122 super(TAG_CLASS);
123
124 mClassName = className;
125 mDim = dim;
126
127 String desc;
128 if (dim > 0) {
129 desc = TypeDescriptor.generate(className, dim);
130 }
131 else {
132 desc = className.replace('.', '/');
133 }
134
135 mNameConstant = ConstantUTFInfo.make(cp, desc);
136 }
137
138 private ConstantClassInfo(ConstantPool cp, TypeDescriptor type) {
139 super(TAG_CLASS);
140
141 mClassName = type.getClassName();
142 mDim = type.getDimensions();
143 mType = type;
144
145 String desc;
146 if (mDim > 0) {
147 desc = type.toString();
148 }
149 else {
150 desc = type.getClassName().replace('.', '/');
151 }
152
153 mNameConstant = ConstantUTFInfo.make(cp, desc);
154 }
155
156 public String getClassName() {
157 return mClassName;
158 }
159
160 public int getDimensions() {
161 return mDim;
162 }
163
164 public TypeDescriptor getTypeDescriptor() {
165 if (mType == null) {
166 mType = new TypeDescriptor(getClassName());
167
168 int dim = getDimensions();
169 if (dim > 0) {
170 mType = new TypeDescriptor(mType, dim);
171 }
172 }
173
174 return mType;
175 }
176
177 public int hashCode() {
178 return mClassName.hashCode();
179 }
180
181 public boolean equals(Object obj) {
182 if (obj instanceof ConstantClassInfo) {
183 ConstantClassInfo other = (ConstantClassInfo)obj;
184 return mClassName.equals(other.mClassName) && mDim == other.mDim;
185 }
186
187 return false;
188 }
189
190 public void writeTo(DataOutput dout) throws IOException {
191 super.writeTo(dout);
192 dout.writeShort(mNameConstant.getIndex());
193 }
194
195 public String toString() {
196 StringBuffer buf = new StringBuffer ("CONSTANT_Class_info: ");
197 buf.append(getClassName());
198 for (int i = getDimensions(); i > 0; i--) {
199 buf.append('[');
200 buf.append(']');
201 }
202 return buf.toString();
203 }
204 }
205 |
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