/*
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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.util.*;
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import proguard.classfile.visitor.ClassVisitor;
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import java.util.List;
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/**
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* This class checks if the user has forgotten to specify class members in
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* some keep options in the configuration.
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*
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* @author Eric Lafortune
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*/
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public class KeepClassMemberChecker
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{
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private final WarningPrinter notePrinter;
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/**
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* Creates a new KeepClassMemberChecker.
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*/
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public KeepClassMemberChecker(WarningPrinter notePrinter)
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{
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this.notePrinter = notePrinter;
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}
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/**
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* Checks if the given class specifications try to keep class members
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* without actually specifying any, printing notes if necessary.
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*/
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public void checkClassSpecifications(List keepClassSpecifications)
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{
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if (keepClassSpecifications != null)
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{
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for (int index = 0; index < keepClassSpecifications.size(); index++)
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{
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KeepClassSpecification keepClassSpecification =
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(KeepClassSpecification)keepClassSpecifications.get(index);
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if (!keepClassSpecification.markClasses &&
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(keepClassSpecification.fieldSpecifications == null ||
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keepClassSpecification.fieldSpecifications.size() == 0) &&
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(keepClassSpecification.methodSpecifications == null ||
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keepClassSpecification.methodSpecifications.size() == 0))
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{
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String className = keepClassSpecification.className;
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if (className == null)
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{
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className = keepClassSpecification.extendsClassName;
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}
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if (className == null ||
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notePrinter.accepts(className))
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{
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notePrinter.print(className,
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"Note: the configuration doesn't specify which class members to keep for class '" +
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(className == null ?
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ConfigurationConstants.ANY_CLASS_KEYWORD :
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ClassUtil.externalClassName(className)) + "'");
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}
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}
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}
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}
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}
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}
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