| /* gnu.classpath.tools.StringToolkit |
| Copyright (C) 2004 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package gnu.classpath.tools; |
| |
| /** |
| * Provides various String-related helper methods. |
| * |
| * @author Julian Scheid |
| */ |
| public class StringToolkit |
| { |
| /** |
| * Prevents instantiation. |
| */ |
| private StringToolkit() {} |
| |
| /** |
| * Return <code>haystack</code> with all occurrences of |
| * <code>needle</code> replaced by </code>replacement</code>. |
| * |
| * @param haystack the string to replace occurrences of <code>needle</code> in |
| * @param needle the substring to replace |
| * @param replacement the substring to replace <code>needle</code> with |
| * |
| * @return <code>haystack</code> with all occurrences of |
| * <code>needle</code> replaced by </code>replacement</code>. |
| */ |
| public static String replace(String haystack, String needle, String replacement) |
| { |
| int ndx = haystack.indexOf(needle); |
| if (ndx < 0) { |
| return haystack; |
| } |
| else { |
| StringBuffer result = new StringBuffer(); |
| result.append(haystack.substring(0, ndx)); |
| result.append(replacement); |
| ndx += needle.length(); |
| int ndx2; |
| while ((ndx2 = haystack.indexOf(needle, ndx)) >= 0) { |
| result.append(haystack.substring(ndx, ndx2)); |
| result.append(replacement); |
| ndx = ndx2 + needle.length(); |
| } |
| result.append(haystack.substring(ndx)); |
| return result.toString(); |
| } |
| } |
| } |