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1
4 package com.tc.object.bytecode;
5
6 import com.tc.asm.ClassAdapter;
7 import com.tc.asm.ClassVisitor;
8 import com.tc.asm.MethodAdapter;
9 import com.tc.asm.MethodVisitor;
10 import com.tc.asm.Opcodes;
11
12 import java.lang.reflect.Modifier  ;
13
14 public class DataOutputStreamAdapter extends ClassAdapter implements Opcodes {
15
16 public DataOutputStreamAdapter(ClassVisitor cv) {
17 super(cv);
18 }
19
20 public MethodVisitor visitMethod(int access, String name, String desc, String signature, String [] exceptions) {
21 MethodVisitor mv = super.visitMethod(access, name, desc, signature, exceptions);
22 if (Modifier.isStatic(access) && "writeUTF".equals(name)
23 && "(Ljava/lang/String;Ljava/io/DataOutput;)I".equals(desc)) { return new WriteUTFAdatper(mv); }
24 return mv;
25 }
26
27 private static class WriteUTFAdatper extends MethodAdapter {
28
29 public WriteUTFAdatper(MethodVisitor mv) {
30 super(mv);
31 }
32
33 public void visitMethodInsn(int opcode, String owner, String name, String desc) {
34 if ((INVOKEVIRTUAL == opcode) && ("java/lang/String".equals(owner) && "getChars".equals(name))) {
35 super.visitMethodInsn(opcode, owner, "getCharsFast", desc);
36 } else {
37 super.visitMethodInsn(opcode, owner, name, desc);
38 }
39 }
40
41 }
42
43 }
44 |
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