68 lines
2.2 KiB
Java
68 lines
2.2 KiB
Java
/* gnu.classpath.tools.StringToolkit
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Copyright (C) 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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package gnu.classpath.tools;
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/**
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* Provides various String-related helper methods.
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*
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* @author Julian Scheid
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*/
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public class StringToolkit
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{
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/**
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* Prevents instantiation.
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*/
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private StringToolkit() {}
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/**
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* Return <code>haystack</code> with all occurrences of
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* <code>needle</code> replaced by </code>replacement</code>.
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*
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* @param haystack the string to replace occurrences of <code>needle</code> in
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* @param needle the substring to replace
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* @param replacement the substring to replace <code>needle</code> with
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*
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* @return <code>haystack</code> with all occurrences of
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* <code>needle</code> replaced by </code>replacement</code>.
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*/
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public static String replace(String haystack, String needle, String replacement)
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{
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int ndx = haystack.indexOf(needle);
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if (ndx < 0) {
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return haystack;
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}
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else {
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StringBuffer result = new StringBuffer();
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result.append(haystack.substring(0, ndx));
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result.append(replacement);
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ndx += needle.length();
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int ndx2;
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while ((ndx2 = haystack.indexOf(needle, ndx)) >= 0) {
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result.append(haystack.substring(ndx, ndx2));
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result.append(replacement);
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ndx = ndx2 + needle.length();
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}
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result.append(haystack.substring(ndx));
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return result.toString();
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}
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}
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}
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