diff options
Diffstat (limited to 'third_party/java/proguard/proguard5.3.3/src/proguard/classfile/visitor/ExceptClassesFilter.java')
| -rw-r--r-- | third_party/java/proguard/proguard5.3.3/src/proguard/classfile/visitor/ExceptClassesFilter.java | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/visitor/ExceptClassesFilter.java b/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/visitor/ExceptClassesFilter.java new file mode 100644 index 0000000000..35cf7c3e9b --- /dev/null +++ b/third_party/java/proguard/proguard5.3.3/src/proguard/classfile/visitor/ExceptClassesFilter.java @@ -0,0 +1,90 @@ +/* + * ProGuard -- shrinking, optimization, obfuscation, and preverification + * of Java bytecode. + * + * Copyright (c) 2002-2017 Eric Lafortune @ GuardSquare + * + * 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.classfile.visitor; + +import proguard.classfile.*; + +/** + * This <code>ClassVisitor</code> delegates its visits to another given + * <code>ClassVisitor</code>, except for classes are in a given list. + * + * @author Eric Lafortune + */ +public class ExceptClassesFilter implements ClassVisitor +{ + private final Clazz[] exceptClasses; + private final ClassVisitor classVisitor; + + + /** + * Creates a new ExceptClassesFilter. + * @param exceptClasses the classes that will not be visited. + * @param classVisitor the <code>ClassVisitor</code> to which visits will + * be delegated. + */ + public ExceptClassesFilter(Clazz[] exceptClasses, + ClassVisitor classVisitor) + { + this.exceptClasses = exceptClasses; + this.classVisitor = classVisitor; + } + + + // Implementations for ClassVisitor. + + public void visitProgramClass(ProgramClass programClass) + { + if (!present(programClass)) + { + classVisitor.visitProgramClass(programClass); + } + } + + + public void visitLibraryClass(LibraryClass libraryClass) + { + if (!present(libraryClass)) + { + classVisitor.visitLibraryClass(libraryClass); + } + } + + + // Small utility methods. + + private boolean present(Clazz clazz) + { + if (exceptClasses == null) + { + return false; + } + + for (int index = 0; index < exceptClasses.length; index++) + { + if (exceptClasses[index].equals(clazz)) + { + return true; + } + } + + return false; + } +}
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