1/* 2 * ProGuard -- shrinking, optimization, obfuscation, and preverification 3 * of Java bytecode. 4 * 5 * Copyright (c) 2002-2009 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 23/** 24 * This DataEntryFilter delegates filtering to a DataEntryFilter for its parent. 25 * 26 * @author Eric Lafortune 27 */ 28public class DataEntryParentFilter 29implements DataEntryFilter 30{ 31 private final DataEntryFilter dataEntryFilter; 32 33 34 /** 35 * Creates a new ParentFilter. 36 * @param dataEntryFilter the filter that will be applied to the data 37 * entry's parent. 38 */ 39 public DataEntryParentFilter(DataEntryFilter dataEntryFilter) 40 { 41 this.dataEntryFilter = dataEntryFilter; 42 } 43 44 45 // Implementations for DataEntryFilter. 46 47 public boolean accepts(DataEntry dataEntry) 48 { 49 return dataEntry != null && dataEntryFilter.accepts(dataEntry.getParent()); 50 } 51} 52