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/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2014 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 ClassVisitor delegates all visits to each ClassVisitor
* in a given list.
*
* @author Eric Lafortune
*/
public class MultiClassVisitor implements ClassVisitor
{
private static final int ARRAY_SIZE_INCREMENT = 5;
private ClassVisitor[] classVisitors;
private int classVisitorCount;
public MultiClassVisitor()
{
}
public MultiClassVisitor(ClassVisitor[] classVisitors)
{
this.classVisitors = classVisitors;
this.classVisitorCount = classVisitors.length;
}
public void addClassVisitor(ClassVisitor classVisitor)
{
ensureArraySize();
classVisitors[classVisitorCount++] = classVisitor;
}
private void ensureArraySize()
{
if (classVisitors == null)
{
classVisitors = new ClassVisitor[ARRAY_SIZE_INCREMENT];
}
else if (classVisitors.length == classVisitorCount)
{
ClassVisitor[] newClassVisitors =
new ClassVisitor[classVisitorCount +
ARRAY_SIZE_INCREMENT];
System.arraycopy(classVisitors, 0,
newClassVisitors, 0,
classVisitorCount);
classVisitors = newClassVisitors;
}
}
// Implementations for ClassVisitor.
public void visitProgramClass(ProgramClass programClass)
{
for (int index = 0; index < classVisitorCount; index++)
{
classVisitors[index].visitProgramClass(programClass);
}
}
public void visitLibraryClass(LibraryClass libraryClass)
{
for (int index = 0; index < classVisitorCount; index++)
{
classVisitors[index].visitLibraryClass(libraryClass);
}
}
}
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