src/main/org/apache/tools/ant/taskdefs/optional/sitraka/StringUtil.java

/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
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 * 4. The names "The Jakarta Project", "Ant", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
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 * 5. Products derived from this software may not be called "Apache"
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 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */
package org.apache.tools.ant.taskdefs.optional.sitraka;

/**
 * String utilities method.
 * @author <a href="mailto:sbailliez@imediation.com">Stephane Bailliez</a>
 */
public final class StringUtil {
    /** private constructor, it's a utility class */
    private StringUtil() {
    }

    /**
     * Replaces all occurences of <tt>find</tt> with <tt>replacement</tt> in the
     * source StringBuffer.
     * @param src the original string buffer to modify.
     * @param find the string to be replaced.
     * @param replacement the replacement string for <tt>find</tt> matches.
     */
    public static void replace(StringBuffer src, String find, String replacement) {
        int index = 0;
        while (index < src.length()) {
            index = src.toString().indexOf(find, index);
            if (index == -1) {
                break;
            }
            src.delete(index, index + find.length());
            src.insert(index, replacement);
            index += replacement.length() + 1;
        }
    }
}