J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any 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 | |
| 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 | |
| 44 | private void flush() throws IOException { |
| 45 | uo.flush(); |
| 46 | Thread.currentThread().yield(); |
| 47 | to.flush(); |
| 48 | Thread.currentThread().yield(); |
| 49 | } |
| 50 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | } |