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 */ 21 package proguard.io; 22 23 import java.io.*; 24 25 /** 26 * This DataEntryWriter lets another DataEntryWriter write the parent data 27 * entries. 28 * 29 * @author Eric Lafortune 30 */ 31 public class ParentDataEntryWriter implements DataEntryWriter 32 { 33 private DataEntryWriter dataEntryWriter; 34 35 36 /** 37 * Creates a new ParentDataEntryWriter. 38 * @param dataEntryWriter the DataEntryWriter to which the writing will be 39 * delegated, passing the data entries' parents. 40 */ ParentDataEntryWriter(DataEntryWriter dataEntryWriter)41 public ParentDataEntryWriter(DataEntryWriter dataEntryWriter) 42 { 43 this.dataEntryWriter = dataEntryWriter; 44 } 45 46 47 // Implementations for DataEntryWriter. 48 49 createDirectory(DataEntry dataEntry)50 public boolean createDirectory(DataEntry dataEntry) throws IOException 51 { 52 return getOutputStream(dataEntry) != null; 53 } 54 55 getOutputStream(DataEntry dataEntry)56 public OutputStream getOutputStream(DataEntry dataEntry) throws IOException 57 { 58 return getOutputStream(dataEntry, null); 59 } 60 61 getOutputStream(DataEntry dataEntry, Finisher finisher)62 public OutputStream getOutputStream(DataEntry dataEntry, 63 Finisher finisher) throws IOException 64 { 65 return dataEntryWriter.getOutputStream(dataEntry.getParent(), 66 finisher); 67 } 68 69 close()70 public void close() throws IOException 71 { 72 dataEntryWriter.close(); 73 dataEntryWriter = null; 74 } 75 } 76