1 /* 2 * Copyright (c) 1997, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /**/ 25 26 import java.io.*; 27 28 29 class LineLengthsSource implements Runnable { 30 31 DataOutputStream uo; 32 BufferedWriter to; 33 PrintWriter log; 34 LineLengthsSource(OutputStream us, BufferedWriter ts, PrintWriter log)35 public LineLengthsSource(OutputStream us, BufferedWriter ts, 36 PrintWriter log) 37 throws IOException 38 { 39 uo = new DataOutputStream(us); 40 to = ts; 41 this.log = log; 42 } 43 flush()44 private void flush() throws IOException { 45 uo.flush(); 46 Thread.currentThread().yield(); 47 to.flush(); 48 Thread.currentThread().yield(); 49 } 50 termString(int t)51 private String termString(int t) { 52 switch (t) { 53 case 0: return "\n"; 54 case 1: return "\r"; 55 case 2: return "\r\n"; 56 default: return ""; 57 } 58 } 59 termName(int t)60 private String termName(int t) { 61 switch (t) { 62 case 0: return "\\n"; 63 case 1: return "\\r"; 64 case 2: return "\\r\\n"; 65 default: return ""; 66 } 67 } 68 go(int t)69 private void go(int t) throws IOException { 70 for (int ln = 0; ln < 128; ln++) { 71 String ts = termString(t); 72 StringBuffer s = new StringBuffer(ln + ts.length()); 73 for (int i = 0; i < ln; i++) 74 s.append('x'); 75 log.println("[" + ln + "]" + termName(t)); 76 uo.writeUTF(s.toString()); 77 s.append(ts); 78 to.write(s.toString()); 79 flush(); 80 } 81 } 82 run()83 public void run() { 84 try { 85 go(0); 86 go(1); 87 go(2); 88 uo.close(); 89 Thread.currentThread().yield(); 90 to.close(); 91 Thread.currentThread().yield(); 92 } 93 catch (IOException x) { 94 return; /* Probably pipe broken */ 95 } 96 } 97 98 } 99