/*
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* ProGuard -- shrinking, optimization, obfuscation, and preverification
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* of Java bytecode.
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*
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* Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu)
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package proguard;
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import proguard.classfile.*;
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import proguard.classfile.constant.*;
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import proguard.classfile.constant.visitor.ConstantVisitor;
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import proguard.classfile.util.*;
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/**
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* This constant visitor checks whether visited method references try to
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* access annotations.
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*
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* @author Eric Lafortune
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*/
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public class GetAnnotationChecker
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extends SimplifiedVisitor
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implements ConstantVisitor
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{
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private final WarningPrinter notePrinter;
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/**
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* Creates a new GetAnnotationChecker.
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*/
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public GetAnnotationChecker(WarningPrinter notePrinter)
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{
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this.notePrinter = notePrinter;
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}
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// Implementations for ConstantVisitor.
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public void visitAnyConstant(Clazz clazz, Constant constant) {}
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public void visitMethodrefConstant(Clazz clazz, MethodrefConstant methodrefConstant)
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{
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String className = methodrefConstant.getClassName(clazz);
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if (className.equals(ClassConstants.NAME_JAVA_LANG_CLASS) ||
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className.equals(ClassConstants.NAME_JAVA_LANG_REFLECT_FIELD) ||
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className.equals(ClassConstants.NAME_JAVA_LANG_REFLECT_METHOD))
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{
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String methodName = methodrefConstant.getName(clazz);
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if (methodName.equals(ClassConstants.METHOD_NAME_GET_ANNOTATION) ||
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methodName.equals(ClassConstants.METHOD_NAME_GET_ANNOTATIONS) ||
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methodName.equals(ClassConstants.METHOD_NAME_GET_DECLARED_ANNOTATIONS) ||
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methodName.equals(ClassConstants.METHOD_NAME_GET_PARAMETER_ANNOTATIONS))
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{
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notePrinter.print(clazz.getName(),
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"Note: " +
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ClassUtil.externalClassName(clazz.getName()) +
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" calls '" +
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ClassUtil.externalShortClassName(ClassUtil.externalClassName(className)) +
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"." +
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methodName + "'");
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}
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}
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}
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}
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