Replaces substrings : String replace « Data Type « Java
Replaces substrings
/*
* Copyright 2000,2005 wingS development team.
*
* This file is part of wingS (http://wingsframework.org).
*
* wingS is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* Please see COPYING for the complete licence.
*/
import java.util.StringTokenizer;
/**
* Some string manipulation utilities.
*
* @author <a href="mailto:haaf@mercatis.de">Armin Haaf</a>
*/
public class StringUtil {
/**
* replaces substrings with content 'toFind' with 'replace' in
* s and returns the result ('s/$toFind/$replace/g')
*
* @param s The String the substrings should be replaced in.
* @param toFind The substring to be replaced
* @param replace The replacement.
* @return the string with all replacements.
*/
public static final String replace(String s,
String toFind, String replace) {
StringBuilder erg = new StringBuilder();
int lastindex = 0;
int indexOf = s.indexOf(toFind);
if (indexOf == -1) return s;
while (indexOf != -1) {
erg.append(s.substring(lastindex, indexOf)).append(replace);
lastindex = indexOf + toFind.length();
indexOf = s.indexOf(toFind, lastindex);
}
erg.append(s.substring(lastindex));
return erg.toString();
}
}
