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Java > Open Source Codes > com > tc > object > bytecode > VectorAdapter


1 /*
2  * All content copyright (c) 2003-2006 Terracotta, Inc., except as may otherwise be noted in a separate copyright notice. All rights reserved.
3  */
4 package com.tc.object.bytecode;
5
6 import com.tc.asm.ClassVisitor;
7 import com.tc.asm.MethodAdapter;
8 import com.tc.asm.MethodVisitor;
9 import com.tc.asm.Opcodes;
10
11 public class VectorAdapter {
12
13   public static class ElementsAdapter extends AbstractMethodAdapter {
14     public MethodVisitor adapt(ClassVisitor classVisitor) {
15       MethodVisitor mv = visitOriginal(classVisitor);
16       return new Adapter(mv);
17     }
18
19     public boolean doesOriginalNeedAdapting() {
20       return false;
21     }
22
23     private static class Adapter extends MethodAdapter implements Opcodes {
24
25       public Adapter(MethodVisitor mv) {
26         super(mv);
27         mv.visitTypeInsn(NEW, "com/tc/util/EnumerationWrapper");
28         mv.visitInsn(DUP);
29         mv.visitVarInsn(ALOAD, 0);
30       }
31
32       public void visitInsn(int opcode) {
33         if (ARETURN == opcode) {
34           mv.visitMethodInsn(INVOKESPECIAL, "com/tc/util/EnumerationWrapper", "<init>", "(Ljava/util/Vector;Ljava/util/Enumeration;)V");
35         }
36         super.visitInsn(opcode);
37       }
38     }
39   }
40 }
41
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