2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with the com.oreilly.servlet library, any library
22 * licensed under the Apache Software License, The Sun (tm) Java Advanced
23 * Imaging library (JAI), The Sun JIMI library (or with modified versions of
24 * the above that use the same license as the above), and distribute linked
25 * combinations including the two. You must obey the GNU General Public
26 * License in all respects for all of the code used other than the above
27 * mentioned libraries. If you modify this file, you may extend this exception
28 * to your version of the file, but you are not obligated to do so. If you do
29 * not wish to do so, delete this exception statement from your version.
36 public class StringRoutines {
38 private StringRoutines() {
41 static int indexOfCharacters(String aString, char[] aCharacters, int aFrom) {
46 for (i=0; i<aCharacters.length ; i++) {
47 position = aString.indexOf(aCharacters[i], aFrom);
49 if (position != -1 && ( result == -1 || position < result )) {
57 public static String encodeHTML(String aText) {
58 final char[] CHARACTERS_TO_ESCAPE = { '&', '<', '>', '"', '\'' };
59 final String[] ESCAPE_CODES = { "&", "<", ">", """, "'" };
61 int position, nextPosition;
63 StringBuffer result = new StringBuffer();
68 nextPosition = indexOfCharacters(aText, CHARACTERS_TO_ESCAPE, position);
69 System.out.println("encodeHTML: "+ position + ":" + aText + " : " + nextPosition);
72 nextPosition = aText.length();
74 result.append(aText.substring(position, nextPosition));
76 if (nextPosition<aText.length())
77 for (i=0; i<CHARACTERS_TO_ESCAPE.length; i++) {
78 if (CHARACTERS_TO_ESCAPE[i] == aText.charAt(nextPosition)) {
79 result.append(ESCAPE_CODES[i]);
83 position=nextPosition+1;
85 while (nextPosition<aText.length()) ;
87 return result.toString();