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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [classpath/] [tools/] [gnu/] [classpath/] [tools/] [StringToolkit.java] - Rev 779
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/* 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(); } } }