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Java > Open Source Codes > org > xquark > servlet > util > HTML


1 /*
2  * This file belongs to the XQuark distribution.
3  * Copyright (C) 2003 Universite de Versailles Saint-Quentin.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307.
18  * You can also get it at http://www.gnu.org/licenses/lgpl.html
19  *
20  * For more information on this software, see http://www.xquark.org.
21  */

22
23 package org.xquark.servlet.util;
24
25 import java.util.StringTokenizer JavaDoc;
26
27 public class HTML {
28
29   public static String JavaDoc format(String JavaDoc input) {
30     input = replace(input, "<", "&lt;");
31     input = replace(input, ">", "&gt;");
32     input = replace(input, "\"", "&quot;");
33     return input;
34   }
35
36   public static String JavaDoc replace(String JavaDoc input, String JavaDoc old, String JavaDoc replace) {
37     
38     if (input.length() == 0) return input;
39     StringTokenizer JavaDoc tokens = new StringTokenizer JavaDoc(input, old);
40     
41     StringBuffer JavaDoc buf = new StringBuffer JavaDoc();
42     
43     // first separator is ignored
44
if(input.startsWith(old))
45       buf.append(replace);
46     
47     while(tokens.hasMoreTokens()) {
48       buf.append(tokens.nextToken()+replace);
49     }
50     if (!input.endsWith(old)) buf.setLength(buf.length()-replace.length());
51     return buf.toString();
52   }
53 }
54
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