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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;
import proguard.classfile.*;
import proguard.classfile.constant.*;
import proguard.classfile.constant.visitor.ConstantVisitor;
import proguard.classfile.util.*;
/**
* This constant visitor checks whether visited method references try to
* access annotations.
*
* @author Eric Lafortune
*/
public class GetAnnotationChecker
extends SimplifiedVisitor
implements ConstantVisitor
{
private final WarningPrinter notePrinter;
/**
* Creates a new GetAnnotationChecker.
*/
public GetAnnotationChecker(WarningPrinter notePrinter)
{
this.notePrinter = notePrinter;
}
// Implementations for ConstantVisitor.
public void visitAnyConstant(Clazz clazz, Constant constant) {}
public void visitMethodrefConstant(Clazz clazz, MethodrefConstant methodrefConstant)
{
String className = methodrefConstant.getClassName(clazz);
if (className.equals(ClassConstants.NAME_JAVA_LANG_CLASS) ||
className.equals(ClassConstants.NAME_JAVA_LANG_REFLECT_FIELD) ||
className.equals(ClassConstants.NAME_JAVA_LANG_REFLECT_METHOD))
{
String methodName = methodrefConstant.getName(clazz);
if (methodName.equals(ClassConstants.METHOD_NAME_GET_ANNOTATION) ||
methodName.equals(ClassConstants.METHOD_NAME_GET_ANNOTATIONS) ||
methodName.equals(ClassConstants.METHOD_NAME_GET_DECLARED_ANNOTATIONS) ||
methodName.equals(ClassConstants.METHOD_NAME_GET_PARAMETER_ANNOTATIONS))
{
notePrinter.print(clazz.getName(),
"Note: " +
ClassUtil.externalClassName(clazz.getName()) +
" calls '" +
ClassUtil.externalShortClassName(ClassUtil.externalClassName(className)) +
"." +
methodName + "'");
}
}
}
}
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