Java String Capitalize Full capitalizeFully(String str)

Description

Capitalizes all the whitespace separated words in a String.

License

Apache License

Parameter

Parameter	Description
str	the String to capitalize, may be null

Return

capitalized String, null if null String input

Declaration

public static String capitalizeFully(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./*www  . jav a2 s  .co  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
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 *    notice, this list of conditions and the following disclaimer in
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 *    distribution.
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 * 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.
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 * 4. The names "The Jakarta Project", "Commons", 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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 */

public class Main {
    /**
     * <p>
     * Capitalizes all the whitespace separated words in a String. All letters
     * are changed, so the resulting string will be fully changed.
     * </p>
     * 
     * <p>
     * Whitespace is defined by {@link Character#isWhitespace(char)}. A
     * <code>null</code> input String returns <code>null</code>.
     * Capitalization uses the unicode title case, normally equivalent to upper
     * case.
     * </p>
     * 
     * <pre>
     * 
     *  WordUtils.capitalize(null)        = null
     *  WordUtils.capitalize(&quot;&quot;)          = &quot;&quot;
     *  WordUtils.capitalize(&quot;i am FINE&quot;) = &quot;I Am Fine&quot;
     *  
     * </pre>
     * 
     * @param str
     *            the String to capitalize, may be null
     * @return capitalized String, <code>null</code> if null String input
     */
    public static String capitalizeFully(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.toTitleCase(ch));
                whitespace = false;
            } else {
                buffer.append(Character.toLowerCase(ch));
            }
        }
        return buffer.toString();
    }
}

Related

1. capitalizeFully(String input)
2. capitalizeFully(String input, String delimiters)
3. capitalizeFully(String str)
4. capitalizeFully(String str)
5. capitalizeFully(String str)
6. capitalizeFully(String str, final char... delimiters)
7. capitalizeFully(String str, final char... delimiters)
8. capitalizeFully(String string)
9. capitalizeFully(String text)