| /* |
| * 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.util.*; |
| import proguard.classfile.visitor.*; |
| |
| import java.util.List; |
| |
| /** |
| * This class checks if the user has forgotten to fully qualify any classes |
| * in the configuration. |
| * |
| * @author Eric Lafortune |
| */ |
| public class FullyQualifiedClassNameChecker |
| extends SimplifiedVisitor |
| implements ClassVisitor |
| { |
| private static final String INVALID_CLASS_EXTENSION = ClassUtil.internalClassName(ClassConstants.CLASS_FILE_EXTENSION); |
| |
| |
| private final ClassPool programClassPool; |
| private final ClassPool libraryClassPool; |
| private final WarningPrinter notePrinter; |
| |
| |
| /** |
| * Creates a new FullyQualifiedClassNameChecker. |
| */ |
| public FullyQualifiedClassNameChecker(ClassPool programClassPool, |
| ClassPool libraryClassPool, |
| WarningPrinter notePrinter) |
| { |
| this.programClassPool = programClassPool; |
| this.libraryClassPool = libraryClassPool; |
| this.notePrinter = notePrinter; |
| } |
| |
| |
| /** |
| * Checks the classes mentioned in the given class specifications, printing |
| * notes if necessary. |
| */ |
| public void checkClassSpecifications(List classSpecifications) |
| { |
| if (classSpecifications != null) |
| { |
| for (int index = 0; index < classSpecifications.size(); index++) |
| { |
| ClassSpecification classSpecification = |
| (ClassSpecification)classSpecifications.get(index); |
| |
| checkType(classSpecification.annotationType); |
| checkClassName(classSpecification.className); |
| checkType(classSpecification.extendsAnnotationType); |
| checkClassName(classSpecification.extendsClassName); |
| |
| checkMemberSpecifications(classSpecification.fieldSpecifications, true); |
| checkMemberSpecifications(classSpecification.methodSpecifications, false); |
| } |
| } |
| } |
| |
| |
| /** |
| * Checks the classes mentioned in the given class member specifications, |
| * printing notes if necessary. |
| */ |
| private void checkMemberSpecifications(List memberSpecifications, boolean isField) |
| { |
| if (memberSpecifications != null) |
| { |
| for (int index = 0; index < memberSpecifications.size(); index++) |
| { |
| MemberSpecification memberSpecification = |
| (MemberSpecification)memberSpecifications.get(index); |
| |
| checkType(memberSpecification.annotationType); |
| |
| if (isField) |
| { |
| checkType(memberSpecification.descriptor); |
| } |
| else |
| { |
| checkDescriptor(memberSpecification.descriptor); |
| } |
| } |
| } |
| } |
| |
| |
| /** |
| * Checks the classes mentioned in the given class member descriptor, |
| * printing notes if necessary. |
| */ |
| private void checkDescriptor(String descriptor) |
| { |
| if (descriptor != null) |
| { |
| InternalTypeEnumeration internalTypeEnumeration = |
| new InternalTypeEnumeration(descriptor); |
| |
| checkType(internalTypeEnumeration.returnType()); |
| |
| while (internalTypeEnumeration.hasMoreTypes()) |
| { |
| checkType(internalTypeEnumeration.nextType()); |
| } |
| } |
| } |
| |
| |
| /** |
| * Checks the class mentioned in the given type (if any), |
| * printing notes if necessary. |
| */ |
| private void checkType(String type) |
| { |
| if (type != null) |
| { |
| checkClassName(ClassUtil.internalClassNameFromType(type)); |
| } |
| } |
| |
| |
| /** |
| * Checks the specified class (if any), |
| * printing notes if necessary. |
| */ |
| private void checkClassName(String className) |
| { |
| if (className != null && |
| !containsWildCards(className) && |
| programClassPool.getClass(className) == null && |
| libraryClassPool.getClass(className) == null && |
| notePrinter.accepts(className)) |
| { |
| notePrinter.print(className, |
| "Note: the configuration refers to the unknown class '" + |
| ClassUtil.externalClassName(className) + "'"); |
| |
| // Strip "/class" or replace the package name by a wildcard. |
| int lastSeparatorIndex = |
| className.lastIndexOf(ClassConstants.PACKAGE_SEPARATOR); |
| |
| String fullyQualifiedClassName = |
| className.endsWith(INVALID_CLASS_EXTENSION) ? |
| className.substring(0, lastSeparatorIndex) : |
| "**" + ClassConstants.PACKAGE_SEPARATOR + className.substring(lastSeparatorIndex + 1); |
| |
| // Suggest matching classes. |
| ClassNameFilter classNameFilter = |
| new ClassNameFilter(fullyQualifiedClassName, this); |
| |
| programClassPool.classesAccept(classNameFilter); |
| libraryClassPool.classesAccept(classNameFilter); |
| } |
| } |
| |
| |
| private static boolean containsWildCards(String string) |
| { |
| return string != null && |
| (string.indexOf('!') >= 0 || |
| string.indexOf('*') >= 0 || |
| string.indexOf('?') >= 0 || |
| string.indexOf(',') >= 0 || |
| string.indexOf("///") >= 0); |
| } |
| |
| |
| // Implementations for ClassVisitor. |
| |
| public void visitAnyClass(Clazz clazz) |
| { |
| System.out.println(" Maybe you meant the fully qualified name '" + |
| ClassUtil.externalClassName(clazz.getName()) + "'?"); |
| } |
| } |