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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.ClassVisitor;
/**
* Representation of an annotation.
*
* @author Eric Lafortune
*/
public class Annotation implements VisitorAccepter
{
public int u2typeIndex;
public int u2elementValuesCount;
public ElementValue[] elementValues;
/**
* An extra field pointing to the Clazz objects referenced in the
* type 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 in which visitors can store information.
*/
public Object visitorInfo;
/**
* Creates an uninitialized Annotation.
*/
public Annotation()
{
}
/**
* Creates an initialized Annotation.
*/
public Annotation(int u2typeIndex,
int u2elementValuesCount,
ElementValue[] elementValues)
{
this.u2typeIndex = u2typeIndex;
this.u2elementValuesCount = u2elementValuesCount;
this.elementValues = elementValues;
}
/**
* Returns the type.
*/
public String getType(Clazz clazz)
{
return clazz.getString(u2typeIndex);
}
/**
* Applies the given visitor to the first referenced class. This is the
* main annotation class.
*/
public void referencedClassAccept(ClassVisitor classVisitor)
{
if (referencedClasses != null)
{
Clazz referencedClass = referencedClasses[0];
if (referencedClass != null)
{
referencedClass.accept(classVisitor);
}
}
}
/**
* 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 all element value pairs.
*/
public void elementValuesAccept(Clazz clazz, ElementValueVisitor elementValueVisitor)
{
for (int index = 0; index < u2elementValuesCount; index++)
{
elementValues[index].accept(clazz, this, elementValueVisitor);
}
}
// Implementations for VisitorAccepter.
public Object getVisitorInfo()
{
return visitorInfo;
}
public void setVisitorInfo(Object visitorInfo)
{
this.visitorInfo = visitorInfo;
}
}
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