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Diffstat (limited to 'src/proguard/classfile/visitor/MultiMemberVisitor.java')
-rw-r--r-- | src/proguard/classfile/visitor/MultiMemberVisitor.java | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/proguard/classfile/visitor/MultiMemberVisitor.java b/src/proguard/classfile/visitor/MultiMemberVisitor.java new file mode 100644 index 0000000..cc4629c --- /dev/null +++ b/src/proguard/classfile/visitor/MultiMemberVisitor.java @@ -0,0 +1,113 @@ +/* + * ProGuard -- shrinking, optimization, obfuscation, and preverification + * of Java bytecode. + * + * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu) + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +package proguard.classfile.visitor; + +import proguard.classfile.*; + + +/** + * This MemberVisitor delegates all visits to each MemberVisitor + * in a given list. + * + * @author Eric Lafortune + */ +public class MultiMemberVisitor implements MemberVisitor +{ + private static final int ARRAY_SIZE_INCREMENT = 5; + + private MemberVisitor[] memberVisitors; + private int memberVisitorCount; + + + public MultiMemberVisitor() + { + } + + + public MultiMemberVisitor(MemberVisitor[] memberVisitors) + { + this.memberVisitors = memberVisitors; + this.memberVisitorCount = memberVisitors.length; + } + + + public void addMemberVisitor(MemberVisitor memberVisitor) + { + ensureArraySize(); + + memberVisitors[memberVisitorCount++] = memberVisitor; + } + + + private void ensureArraySize() + { + if (memberVisitors == null) + { + memberVisitors = new MemberVisitor[ARRAY_SIZE_INCREMENT]; + } + else if (memberVisitors.length == memberVisitorCount) + { + MemberVisitor[] newMemberVisitors = + new MemberVisitor[memberVisitorCount + + ARRAY_SIZE_INCREMENT]; + System.arraycopy(memberVisitors, 0, + newMemberVisitors, 0, + memberVisitorCount); + memberVisitors = newMemberVisitors; + } + } + + + public void visitProgramField(ProgramClass programClass, ProgramField programField) + { + for (int index = 0; index < memberVisitorCount; index++) + { + memberVisitors[index].visitProgramField(programClass, programField); + } + } + + + public void visitProgramMethod(ProgramClass programClass, ProgramMethod programMethod) + { + for (int index = 0; index < memberVisitorCount; index++) + { + memberVisitors[index].visitProgramMethod(programClass, programMethod); + } + } + + + public void visitLibraryField(LibraryClass libraryClass, LibraryField libraryField) + { + for (int index = 0; index < memberVisitorCount; index++) + { + memberVisitors[index].visitLibraryField(libraryClass, libraryField); + } + } + + + public void visitLibraryMethod(LibraryClass libraryClass, LibraryMethod libraryMethod) + { + for (int index = 0; index < memberVisitorCount; index++) + { + memberVisitors[index].visitLibraryMethod(libraryClass, libraryMethod); + } + } +} |