01: /*
02: * ProGuard -- shrinking, optimization, obfuscation, and preverification
03: * of Java bytecode.
04: *
05: * Copyright (c) 2002-2007 Eric Lafortune (eric@graphics.cornell.edu)
06: *
07: * This program is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU General Public License as published by the Free
09: * Software Foundation; either version 2 of the License, or (at your option)
10: * any later version.
11: *
12: * This program is distributed in the hope that it will be useful, but WITHOUT
13: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15: * more details.
16: *
17: * You should have received a copy of the GNU General Public License along
18: * with this program; if not, write to the Free Software Foundation, Inc.,
19: * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20: */
21: package proguard.classfile.visitor;
22:
23: import proguard.classfile.*;
24:
25: /**
26: * This MemberVisitor delegates all method calls to a MemberVisitor
27: * that can be changed at any time.
28: *
29: * @author Eric Lafortune
30: */
31: public class VariableMemberVisitor implements MemberVisitor {
32: private MemberVisitor memberVisitor;
33:
34: public VariableMemberVisitor() {
35: this (null);
36: }
37:
38: public VariableMemberVisitor(MemberVisitor memberVisitor) {
39: this .memberVisitor = memberVisitor;
40: }
41:
42: public void setMemberVisitor(MemberVisitor memberVisitor) {
43: this .memberVisitor = memberVisitor;
44: }
45:
46: public MemberVisitor getMemberVisitor() {
47: return memberVisitor;
48: }
49:
50: // Implementations for MemberVisitor.
51:
52: public void visitProgramField(ProgramClass programClass,
53: ProgramField programField) {
54: if (memberVisitor != null) {
55: memberVisitor.visitProgramField(programClass, programField);
56: }
57: }
58:
59: public void visitProgramMethod(ProgramClass programClass,
60: ProgramMethod programMethod) {
61: if (memberVisitor != null) {
62: memberVisitor.visitProgramMethod(programClass,
63: programMethod);
64: }
65: }
66:
67: public void visitLibraryField(LibraryClass libraryClass,
68: LibraryField libraryField) {
69: if (memberVisitor != null) {
70: memberVisitor.visitLibraryField(libraryClass, libraryField);
71: }
72: }
73:
74: public void visitLibraryMethod(LibraryClass libraryClass,
75: LibraryMethod libraryMethod) {
76: if (memberVisitor != null) {
77: memberVisitor.visitLibraryMethod(libraryClass,
78: libraryMethod);
79: }
80: }
81: }
|