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/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2013 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.ClassPool;
/**
* This ClassPoolVisitor delegates all visits to each ClassPoolVisitor
* in a given list.
*
* @author Eric Lafortune
*/
public class MultiClassPoolVisitor implements ClassPoolVisitor
{
private static final int ARRAY_SIZE_INCREMENT = 5;
private ClassPoolVisitor[] classPoolVisitors;
private int classPoolVisitorCount;
public MultiClassPoolVisitor()
{
}
public MultiClassPoolVisitor(ClassPoolVisitor[] classPoolVisitors)
{
this.classPoolVisitors = classPoolVisitors;
this.classPoolVisitorCount = classPoolVisitors.length;
}
public void addClassPoolVisitor(ClassPoolVisitor classPoolVisitor)
{
ensureArraySize();
classPoolVisitors[classPoolVisitorCount++] = classPoolVisitor;
}
private void ensureArraySize()
{
if (classPoolVisitors == null)
{
classPoolVisitors = new ClassPoolVisitor[ARRAY_SIZE_INCREMENT];
}
else if (classPoolVisitors.length == classPoolVisitorCount)
{
ClassPoolVisitor[] newClassPoolVisitors =
new ClassPoolVisitor[classPoolVisitorCount +
ARRAY_SIZE_INCREMENT];
System.arraycopy(classPoolVisitors, 0,
newClassPoolVisitors, 0,
classPoolVisitorCount);
classPoolVisitors = newClassPoolVisitors;
}
}
// Implementations for ClassPoolVisitor.
public void visitClassPool(ClassPool classPool)
{
for (int index = 0; index < classPoolVisitorCount; index++)
{
classPoolVisitors[index].visitClassPool(classPool);
}
}
}
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