Java String Uncapitalize uncapitalize(String str)

Description

Uncapitalizes all the whitespace separated words in a String.

License

Apache License

Parameter

Parameter	Description
str	the String to uncapitalize, may be null

Return

uncapitalized String, null if null String input

Declaration

public static String uncapitalize(String str) 

Method Source Code

//package com.java2s;
/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2002-2003 The Apache Software Foundation.  All rights
 * reserved.//from  w  w w .  j a  v  a  2  s  .c o  m
 *
 * 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 acknowledgement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgement may appear in the software itself,
 *    if and wherever such third-party acknowledgements normally appear.
 *
 * 4. The names "The Jakarta Project", "Commons", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * ====================================================================
 *
 * 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/>.
 */

public class Main {
    /**
     * <p>
     * Uncapitalizes all the whitespace separated words in a String. Only the
     * first letter of each word is changed.
     * </p>
     * 
     * <p>
     * Whitespace is defined by {@link Character#isWhitespace(char)}. A
     * <code>null</code> input String returns <code>null</code>.
     * </p>
     * 
     * <pre>
     * 
     *  WordUtils.uncapitalize(null)        = null
     *  WordUtils.uncapitalize(&quot;&quot;)          = &quot;&quot;
     *  WordUtils.uncapitalize(&quot;I Am FINE&quot;) = &quot;i am fINE&quot;
     *  
     * </pre>
     * 
     * @param str
     *            the String to uncapitalize, may be null
     * @return uncapitalized String, <code>null</code> if null String input
     * @see #capitalize(String)
     */
    public static String uncapitalize(String str) {
        int strLen;
        if (str == null || (strLen = str.length()) == 0) {
            return str;
        }
        StringBuffer buffer = new StringBuffer(strLen);
        boolean whitespace = true;
        for (int i = 0; i < strLen; i++) {
            char ch = str.charAt(i);
            if (Character.isWhitespace(ch)) {
                buffer.append(ch);
                whitespace = true;
            } else if (whitespace) {
                buffer.append(Character.toLowerCase(ch));
                whitespace = false;
            } else {
                buffer.append(ch);
            }
        }
        return buffer.toString();
    }
}

Related

1. unCapitalize(String s)
2. uncapitalize(String s)
3. uncapitalize(String s)
4. uncapitalize(String source)
5. unCapitalize(String str)
6. uncapitalize(String str)
7. uncapitalize(String str)
8. uncapitalize(String str)
9. uncapitalize(String str)