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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.attribute.annotation.target;
import proguard.classfile.*;
import proguard.classfile.attribute.CodeAttribute;
import proguard.classfile.attribute.annotation.TypeAnnotation;
import proguard.classfile.attribute.annotation.target.visitor.TargetInfoVisitor;
/**
* Representation of an annotation target.
*
* @author Eric Lafortune
*/
public abstract class TargetInfo
{
public byte u1targetType;
/**
* Creates an uninitialized TargetInfo.
*/
protected TargetInfo()
{
}
/**
* Creates an initialized TargetInfo.
*/
protected TargetInfo(byte u1targetType)
{
this.u1targetType = u1targetType;
}
/**
* Returns the type of the target.
*/
public byte getTargetType()
{
return u1targetType;
}
// Methods to be implemented by extensions.
/**
* Accepts the given visitor, in the context of a type annotation on a class.
*/
public void accept(Clazz clazz, TypeAnnotation typeAnnotation, TargetInfoVisitor targetInfoVisitor)
{
throw new UnsupportedOperationException("Unsupported type annotation [0x"+Integer.toHexString(u1targetType)+"] on a class");
}
/**
* Accepts the given visitor, in the context of a type annotation on a field.
*/
public void accept(Clazz clazz, Field field, TypeAnnotation typeAnnotation, TargetInfoVisitor targetInfoVisitor)
{
throw new UnsupportedOperationException("Unsupported type annotation [0x"+Integer.toHexString(u1targetType)+"] on a field");
}
/**
* Accepts the given visitor, in the context of a type annotation on a method.
*/
public void accept(Clazz clazz, Method method, TypeAnnotation typeAnnotation, TargetInfoVisitor targetInfoVisitor)
{
throw new UnsupportedOperationException("Unsupported type annotation [0x"+Integer.toHexString(u1targetType)+"] on a method");
}
/**
* Accepts the given visitor, in the context of a type annotation code.
*/
public void accept(Clazz clazz, Method method, CodeAttribute codeAttribute, TypeAnnotation typeAnnotation, TargetInfoVisitor targetInfoVisitor)
{
throw new UnsupportedOperationException("Unsupported type annotation [0x"+Integer.toHexString(u1targetType)+"] on code");
}
}
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