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Diffstat (limited to 'src/proguard/optimize/KeptClassFilter.java')
-rw-r--r-- | src/proguard/optimize/KeptClassFilter.java | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/proguard/optimize/KeptClassFilter.java b/src/proguard/optimize/KeptClassFilter.java new file mode 100644 index 0000000..60a9d3e --- /dev/null +++ b/src/proguard/optimize/KeptClassFilter.java @@ -0,0 +1,69 @@ +/* + * ProGuard -- shrinking, optimization, obfuscation, and preverification + * of Java bytecode. + * + * Copyright (c) 2002-2013 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.optimize; + +import proguard.classfile.*; +import proguard.classfile.visitor.ClassVisitor; + +/** + * This ClassVisitor delegates all its method calls to another ClassVisitor, + * but only for Clazz objects that are marked as kept. + * + * @see KeepMarker + * + * @author Eric Lafortune + */ +public class KeptClassFilter +implements ClassVisitor +{ + private final ClassVisitor classVisitor; + + + /** + * Creates a new KeptClassFilter. + * @param classVisitor the class visitor to which the visiting will be + * delegated. + */ + public KeptClassFilter(ClassVisitor classVisitor) + { + this.classVisitor = classVisitor; + } + + + // Implementations for ClassVisitor. + + public void visitProgramClass(ProgramClass programClass) + { + if (KeepMarker.isKept(programClass)) + { + classVisitor.visitProgramClass(programClass); + } + } + + + public void visitLibraryClass(LibraryClass libraryClass) + { + if (KeepMarker.isKept(libraryClass)) + { + classVisitor.visitLibraryClass(libraryClass); + } + } +}
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