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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 public class BufferedWriterAdapter extends ClassAdapter implements Opcodes {
13
14 public BufferedWriterAdapter(ClassVisitor cv) {
15 super(cv);
16 }
17
18 public MethodVisitor visitMethod(int access, String  name, String desc, String signature, String [] exceptions) {
19 MethodVisitor mv = super.visitMethod(access, name, desc, signature, exceptions);
20 if ("write".equals(name) && "(Ljava/lang/String;II)V".equals(desc)) { return new WriteStringAdatper(mv); }
21 return mv;
22 }
23
24 private static class WriteStringAdatper extends MethodAdapter {
25
26 public WriteStringAdatper(MethodVisitor mv) {
27 super(mv);
28 }
29
30 public void visitMethodInsn(int opcode, String owner, String name, String desc) {
31 if ((INVOKEVIRTUAL == opcode) && ("java/lang/String".equals(owner) && "getChars".equals(name))) {
32 super.visitMethodInsn(opcode, owner, "getCharsFast", desc);
33 } else {
34 super.visitMethodInsn(opcode, owner, name, desc);
35 }
36 }
37
38 }
39
40 }
41 |
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