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; 22 23import java.io.*; 24 25 26/** 27 * A <code>WordReader</code> that returns words from a line number reader. 28 * 29 * @author Eric Lafortune 30 */ 31public class LineWordReader extends WordReader 32{ 33 private final LineNumberReader reader; 34 private final String description; 35 36 37 /** 38 * Creates a new LineWordReader for the given input. 39 */ 40 public LineWordReader(LineNumberReader lineNumberReader, 41 String description, 42 File baseDir) throws IOException 43 { 44 super(baseDir); 45 46 this.reader = lineNumberReader; 47 this.description = description; 48 } 49 50 51 // Implementations for WordReader. 52 53 protected String nextLine() throws IOException 54 { 55 return reader.readLine(); 56 } 57 58 59 protected String lineLocationDescription() 60 { 61 return "line " + reader.getLineNumber() + " of " + description; 62 } 63 64 65 public void close() throws IOException 66 { 67 super.close(); 68 69 if (reader != null) 70 { 71 reader.close(); 72 } 73 } 74} 75