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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.attribute.annotation;
import proguard.classfile.*;
import proguard.classfile.attribute.annotation.visitor.ElementValueVisitor;
import proguard.classfile.visitor.*;
/**
* This ElementValue represents an enumeration constant element value.
*
* @author Eric Lafortune
*/
public class EnumConstantElementValue extends ElementValue
{
public int u2typeNameIndex;
public int u2constantNameIndex;
/**
* An extra field pointing to the Clazz objects referenced in the
* type name string. This field is typically filled out by the <code>{@link
* proguard.classfile.util.ClassReferenceInitializer
* ClassReferenceInitializer}</code>.
* References to primitive types are ignored.
*/
public Clazz[] referencedClasses;
/**
* An extra field optionally pointing to the referenced enum Field object.
* This field is typically filled out by the <code>{@link
* proguard.classfile.util.ClassReferenceInitializer
* ClassReferenceInitializer}</code>.
*/
public Field referencedField;
/**
* Creates an uninitialized EnumConstantElementValue.
*/
public EnumConstantElementValue()
{
}
/**
* Creates an initialized EnumConstantElementValue.
*/
public EnumConstantElementValue(int u2elementNameIndex,
int u2typeNameIndex,
int u2constantNameIndex)
{
super(u2elementNameIndex);
this.u2typeNameIndex = u2typeNameIndex;
this.u2constantNameIndex = u2constantNameIndex;
}
/**
* Returns the enumeration type name.
*/
public String getTypeName(Clazz clazz)
{
return clazz.getString(u2typeNameIndex);
}
/**
* Returns the constant name.
*/
public String getConstantName(Clazz clazz)
{
return clazz.getString(u2constantNameIndex);
}
/**
* Applies the given visitor to all referenced classes.
*/
public void referencedClassesAccept(ClassVisitor classVisitor)
{
if (referencedClasses != null)
{
for (int index = 0; index < referencedClasses.length; index++)
{
Clazz referencedClass = referencedClasses[index];
if (referencedClass != null)
{
referencedClass.accept(classVisitor);
}
}
}
}
/**
* Applies the given visitor to the referenced field.
*/
public void referencedFieldAccept(MemberVisitor memberVisitor)
{
if (referencedField != null)
{
referencedField.accept(referencedClasses[0],
memberVisitor);
}
}
// Implementations for ElementValue.
public char getTag()
{
return ClassConstants.ELEMENT_VALUE_ENUM_CONSTANT;
}
public void accept(Clazz clazz, Annotation annotation, ElementValueVisitor elementValueVisitor)
{
elementValueVisitor.visitEnumConstantElementValue(clazz, annotation, this);
}
}
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