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 interface describes a data entry, e.g. a ZIP entry, a file, or a 27 * directory. 28 * 29 * @author Eric Lafortune 30 */ 31 public interface DataEntry 32 { 33 /** 34 * Returns the name of this data entry. 35 */ getName()36 public String getName(); 37 38 /** 39 * Returns whether the data entry represents a directory. 40 */ isDirectory()41 public boolean isDirectory(); 42 43 44 /** 45 * Returns an input stream for reading the content of this data entry. 46 * The data entry may not represent a directory. 47 */ getInputStream()48 public InputStream getInputStream() throws IOException; 49 50 51 /** 52 * Closes the previously retrieved InputStream. 53 */ closeInputStream()54 public void closeInputStream() throws IOException; 55 56 57 /** 58 * Returns the parent of this data entry, or <code>null</null> if it doesn't 59 * have one. 60 */ getParent()61 public DataEntry getParent(); 62 } 63