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Java Source | 1997-07-13 | 2.0 KB | 68 lines |
- /*
- * Copyright (c) 1995-1997 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Permission to use, copy, modify, and distribute this software
- * and its documentation for NON-COMMERCIAL purposes and without
- * fee is hereby granted provided that this copyright notice
- * appears in all copies. Please refer to the file "copyright.html"
- * for further important copyright and licensing information.
- *
- * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
- * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
- * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
- */
- import java.io.*;
-
- class WriteReversedThread extends Thread {
- PrintWriter pw;
- BufferedReader br;
-
- WriteReversedThread(PrintWriter pw, BufferedReader br) {
- this.pw = pw;
- this.br = br;
- }
-
- public void run() {
- if (pw != null && br != null) {
- try {
- String input;
- while ((input = br.readLine()) != null) {
- pw.println(reverseIt(input));
- pw.flush();
- }
- pw.close();
- } catch (IOException e) {
- System.err.println("WriteReversedThread run: " + e);
- }
- }
- }
-
- protected void finalize() {
- try {
- if (pw != null) {
- pw.close();
- pw = null;
- }
- if (br != null) {
- br.close();
- br = null;
- }
- } catch (IOException e) {
- System.err.println("WriteReversedThread finalize: " + e);
- }
- }
-
- private String reverseIt(String source) {
- int i, len = source.length();
- StringBuffer dest = new StringBuffer(len);
-
- for (i = (len - 1); i >= 0; i--) {
- dest.append(source.charAt(i));
- }
- return dest.toString();
- }
- }
-