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1
5 package com.tc.weblogic.transform;
6
7 import com.tc.asm.ClassAdapter;
8 import com.tc.asm.ClassVisitor;
9 import com.tc.asm.Label;
10 import com.tc.asm.MethodAdapter;
11 import com.tc.asm.MethodVisitor;
12 import com.tc.asm.Opcodes;
13 import com.tc.object.bytecode.ByteCodeUtil;
14 import com.tc.object.bytecode.ClassAdapterFactory;
15
16 public class EJBCodeGeneratorAdapter extends ClassAdapter implements ClassAdapterFactory {
17
18 public EJBCodeGeneratorAdapter() {
19 super(null);
20 }
21
22 private EJBCodeGeneratorAdapter(ClassVisitor cv, ClassLoader  caller) {
23 super(cv);
24 }
25
26 public ClassAdapter create(ClassVisitor visitor, ClassLoader loader) {
27 return new EJBCodeGeneratorAdapter(visitor, loader);
28 }
29
30 public MethodVisitor visitMethod(int access, String name, String desc, String signature, String [] exceptions) {
31 MethodVisitor mv = super.visitMethod(access, name, desc, signature, exceptions);
32 if ("appendInterfaceMethodDeclaration".equals(name)) {
33 mv = new AppendInterfaceMethodDeclarationAdapter(mv);
34 }
35 return mv;
36 }
37
38 private static class AppendInterfaceMethodDeclarationAdapter extends MethodAdapter implements Opcodes {
39
40 public AppendInterfaceMethodDeclarationAdapter(MethodVisitor mv) {
41 super(mv);
42 Label l = new Label();
43 mv.visitVarInsn(ALOAD, 2);
44 mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/Method", "getName", "()Ljava/lang/String;");
45 mv.visitLdcInsn(ByteCodeUtil.TC_METHOD_PREFIX);
46 mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/String", "startsWith", "(Ljava/lang/String;)Z");
47 mv.visitJumpInsn(IFEQ, l);
48 mv.visitInsn(RETURN);
49 mv.visitLabel(l);
50 }
51
52 }
53
54 }
55 |
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Java API By Example, From Geeks To Geeks.