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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.editor;
import proguard.classfile.*;
import proguard.classfile.attribute.ExceptionsAttribute;
import proguard.classfile.constant.ClassConstant;
import proguard.classfile.constant.visitor.ConstantVisitor;
import proguard.classfile.util.SimplifiedVisitor;
/**
* This ConstantVisitor adds all class constants that it visits to the given
* target exceptions attribute.
*
* @author Eric Lafortune
*/
public class ExceptionAdder
extends SimplifiedVisitor
implements ConstantVisitor
{
private final ConstantAdder constantAdder;
private final ExceptionsAttributeEditor exceptionsAttributeEditor;
/**
* Creates a new ExceptionAdder that will copy classes into the given
* target exceptions attribute.
*/
public ExceptionAdder(ProgramClass targetClass,
ExceptionsAttribute targetExceptionsAttribute)
{
constantAdder = new ConstantAdder(targetClass);
exceptionsAttributeEditor = new ExceptionsAttributeEditor(targetExceptionsAttribute);
}
// Implementations for ConstantVisitor.
public void visitClassConstant(Clazz clazz, ClassConstant classConstant)
{
// Add a class constant to the constant pool.
constantAdder.visitClassConstant(clazz, classConstant);
// Add the index of the class constant to the list of exceptions.
exceptionsAttributeEditor.addException(constantAdder.getConstantIndex());
}
}
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