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Diffstat (limited to 'src/proguard/FullyQualifiedClassNameChecker.java')
| -rw-r--r-- | src/proguard/FullyQualifiedClassNameChecker.java | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/src/proguard/FullyQualifiedClassNameChecker.java b/src/proguard/FullyQualifiedClassNameChecker.java new file mode 100644 index 0000000..06949b5 --- /dev/null +++ b/src/proguard/FullyQualifiedClassNameChecker.java @@ -0,0 +1,190 @@ +/* + * ProGuard -- shrinking, optimization, obfuscation, and preverification + * of Java bytecode. + * + * Copyright (c) 2002-2009 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 final ClassPool programClassPool; + private final ClassPool libraryClassPool; + private final WarningPrinter notePrinter; + + + /** + * Creates a new DescriptorKeepChecker. + */ + 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. Returns the number of notes printed. + */ + 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) + "'"); + + String fullyQualifiedClassName = + "**" + ClassConstants.INTERNAL_PACKAGE_SEPARATOR + + className.substring(className.lastIndexOf(ClassConstants.INTERNAL_PACKAGE_SEPARATOR)+1); + + 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); + } + + + // Implementations for ClassVisitor. + + public void visitAnyClass(Clazz clazz) + { + System.out.println(" Maybe you meant the fully qualified name '" + + ClassUtil.externalClassName(clazz.getName()) + "'?"); + } +} |