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1
32
33 package com.jeantessier.classreader;
34
35 import java.util.*;
36
37 import org.apache.log4j.*;
38
39 public abstract class VisitorBase implements Visitor {
40 private int currentCount;
41
42 protected void resetCount() {
43 currentCount = 0;
44 }
45
46 protected void raiseCount() {
47 currentCount++;
48 }
49
50 protected int currentCount() {
51 return currentCount;
52 }
53
54 public void visitConstantPool(ConstantPool constantPool) {
55 Iterator i = constantPool.iterator();
56 while (i.hasNext()) {
57 Visitable entry = (Visitable) i.next();
58 if (entry != null) {
59 entry.accept(this);
60 }
61 raiseCount();
62 }
63 }
64
65 public void visitClassfiles(Collection classfiles) {
67 Iterator i = classfiles.iterator();
68 while (i.hasNext()) {
69 ((Classfile) i.next()).accept(this);
70 }
71 }
72
73 public void visitClassfile(Classfile classfile) {
74 Iterator i;
75
76 i = classfile.getAttributes().iterator();
77 while (i.hasNext()) {
78 ((Visitable) i.next()).accept(this);
79 }
80
81 i = classfile.getAllFields().iterator();
82 while (i.hasNext()) {
83 ((Visitable) i.next()).accept(this);
84 }
85
86 i = classfile.getAllMethods().iterator();
87 while (i.hasNext()) {
88 ((Visitable) i.next()).accept(this);
89 }
90 }
91
92 public void visitClass_info(Class_info entry) {}
94 public void visitFieldRef_info(FieldRef_info entry) {}
95 public void visitMethodRef_info(MethodRef_info entry) {}
96 public void visitInterfaceMethodRef_info(InterfaceMethodRef_info entry) {}
97 public void visitString_info(String_info entry) {}
98 public void visitInteger_info(Integer_info entry) {}
99 public void visitFloat_info(Float_info entry) {}
100 public void visitLong_info(Long_info entry) {}
101 public void visitDouble_info(Double_info entry) {}
102 public void visitNameAndType_info(NameAndType_info entry) {}
103 public void visitUTF8_info(UTF8_info entry) {}
104
105 public void visitField_info(Field_info entry) {
107 Iterator i = entry.getAttributes().iterator();
108 while (i.hasNext()) {
109 ((Visitable) i.next()).accept(this);
110 }
111 }
112
113 public void visitMethod_info(Method_info entry) {
114 Iterator i = entry.getAttributes().iterator();
115 while (i.hasNext()) {
116 ((Visitable) i.next()).accept(this);
117 }
118 }
119
120 public void visitConstantValue_attribute(ConstantValue_attribute attribute) {
122 }
124
125 public void visitCode_attribute(Code_attribute attribute) {
126 Iterator i;
127
128 Logger.getLogger(getClass()).debug("Visiting " + attribute.getExceptionHandlers().size() + " exception handler(s) ...");
129 i = attribute.getExceptionHandlers().iterator();
130 while (i.hasNext()) {
131 ((Visitable) i.next()).accept(this);
132 }
133
134 Logger.getLogger(getClass()).debug("Visiting " + attribute.getAttributes().size() + " code attribute(s) ...");
135 i = attribute.getAttributes().iterator();
136 while (i.hasNext()) {
137 ((Visitable) i.next()).accept(this);
138 }
139 }
140
141 public void visitExceptions_attribute(Exceptions_attribute attribute) {
142 Logger.getLogger(getClass()).debug("Visiting " + attribute.getExceptions().size() + " exception class(es) ...");
143
144 Iterator i = attribute.getExceptions().iterator();
145 while (i.hasNext()) {
146 ((Visitable) i.next()).accept(this);
147 }
148 }
149
150 public void visitInnerClasses_attribute(InnerClasses_attribute attribute) {
151 Logger.getLogger(getClass()).debug("Visiting " + attribute.getClasses().size() + " inner class(es) ...");
152
153 Iterator i = attribute.getClasses().iterator();
154 while (i.hasNext()) {
155 ((Visitable) i.next()).accept(this);
156 }
157 }
158
159 public void visitSynthetic_attribute(Synthetic_attribute attribute) {
160 }
162
163 public void visitSourceFile_attribute(SourceFile_attribute attribute) {
164 }
166
167 public void visitLineNumberTable_attribute(LineNumberTable_attribute attribute) {
168 Logger.getLogger(getClass()).debug("Visiting " + attribute.getLineNumbers().size() + " line number(s) ...");
169
170 Iterator i = attribute.getLineNumbers().iterator();
171 while (i.hasNext()) {
172 ((Visitable) i.next()).accept(this);
173 }
174 }
175
176 public void visitLocalVariableTable_attribute(LocalVariableTable_attribute attribute) {
177 Logger.getLogger(getClass()).debug("Visiting " + attribute.getLocalVariables().size() + " local variable(s) ...");
178
179 Iterator i = attribute.getLocalVariables().iterator();
180 while (i.hasNext()) {
181 ((Visitable) i.next()).accept(this);
182 }
183 }
184
185 public void visitDeprecated_attribute(Deprecated_attribute attribute) {
186 }
188
189 public void visitCustom_attribute(Custom_attribute attribute) {
190 }
192
193 public void visitExceptionHandler(ExceptionHandler helper) {}
195 public void visitInnerClass(InnerClass helper) {}
196 public void visitLineNumber(LineNumber helper) {}
197 public void visitLocalVariable(LocalVariable helper) {}
198 }
199 |
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