1/* 2 * ProGuard -- shrinking, optimization, obfuscation, and preverification 3 * of Java bytecode. 4 * 5 * Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu) 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published by the Free 9 * Software Foundation; either version 2 of the License, or (at your option) 10 * any later version. 11 * 12 * This program is distributed in the hope that it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 * more details. 16 * 17 * You should have received a copy of the GNU General Public License along 18 * with this program; if not, write to the Free Software Foundation, Inc., 19 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21package proguard.io; 22 23import proguard.classfile.ClassConstants; 24import proguard.util.ExtensionMatcher; 25 26 27/** 28 * This DataEntryReader delegates to one of two other DataEntryReader instances, 29 * depending on the extension of the data entry. 30 * 31 * @author Eric Lafortune 32 */ 33public class ClassFilter extends FilteredDataEntryReader 34{ 35 /** 36 * Creates a new ClassFilter that delegates reading classes to the 37 * given reader. 38 */ 39 public ClassFilter(DataEntryReader classReader) 40 { 41 this(classReader, null); 42 } 43 44 45 /** 46 * Creates a new ClassFilter that delegates to either of the two given 47 * readers. 48 */ 49 public ClassFilter(DataEntryReader classReader, 50 DataEntryReader dataEntryReader) 51 { 52 super(new DataEntryNameFilter( 53 new ExtensionMatcher(ClassConstants.CLASS_FILE_EXTENSION)), 54 classReader, 55 dataEntryReader); 56 } 57} 58