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/*
* 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.constant;
import proguard.classfile.*;
import proguard.classfile.constant.visitor.ConstantVisitor;
import proguard.classfile.visitor.ClassVisitor;
/**
* This Constant represents a class constant in the constant pool.
*
* @author Eric Lafortune
*/
public class ClassConstant extends Constant
{
public int u2nameIndex;
/**
* An extra field pointing to the referenced Clazz object.
* This field is filled out by the <code>{@link
* proguard.classfile.util.ClassReferenceInitializer ClassReferenceInitializer}</code>.
*/
public Clazz referencedClass;
/**
* An extra field pointing to the java.lang.Class Clazz object.
* This field is typically filled out by the <code>{@link
* proguard.classfile.util.ClassReferenceInitializer
* ClassReferenceInitializer}</code>..
*/
public Clazz javaLangClassClass;
/**
* Creates an uninitialized ClassConstant.
*/
public ClassConstant()
{
}
/**
* Creates a new ClassConstant with the given name index.
* @param u2nameIndex the index of the name in the constant pool.
* @param referencedClass the referenced class.
*/
public ClassConstant(int u2nameIndex,
Clazz referencedClass)
{
this.u2nameIndex = u2nameIndex;
this.referencedClass = referencedClass;
}
/**
* Returns the name.
*/
public String getName(Clazz clazz)
{
return clazz.getString(u2nameIndex);
}
// Implementations for Constant.
public int getTag()
{
return ClassConstants.CONSTANT_Class;
}
public void accept(Clazz clazz, ConstantVisitor constantVisitor)
{
constantVisitor.visitClassConstant(clazz, this);
}
/**
* Lets the referenced class accept the given visitor.
*/
public void referencedClassAccept(ClassVisitor classVisitor)
{
if (referencedClass != null)
{
referencedClass.accept(classVisitor);
}
}
}
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