Strings.java Source code

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Here is the source code for Strings.java

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/*
 * LingPipe v. 3.9
 * Copyright (C) 2003-2010 Alias-i
 *
 * This program is licensed under the Alias-i Royalty Free License
 * Version 1 WITHOUT ANY WARRANTY, without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the Alias-i
 * Royalty Free License Version 1 for more details.
 *
 * You should have received a copy of the Alias-i Royalty Free License
 * Version 1 along with this program; if not, visit
 * http://alias-i.com/lingpipe/licenses/lingpipe-license-1.txt or contact
 * Alias-i, Inc. at 181 North 11th Street, Suite 401, Brooklyn, NY 11211,
 * +1 (718) 290-9170.
 */

//package com.aliasi.util;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

import java.text.DecimalFormat;

/**
 * Static utility methods for processing strings, characters and
 * string buffers.
 *
 * @author  Bob Carpenter
 * @version 4.0.1
 * @since   LingPipe1.0
 * @see     java.lang.Character
 * @see     java.lang.String
 * @see     java.lang.StringBuilder
 */
public class Strings {

    /**
     * Returns <code>true</code> if the first character in the
     * specified array is an upper case letter and all subsequent
     * characters are lower case letters.
     *
     * @param chars Array of characters to test.
     * @return <code>true</code> if all of the characters in the
     * specified array are lower case letters.
     */
    public static boolean capitalized(char[] chars) {
        if (chars.length == 0)
            return false;
        if (!Character.isUpperCase(chars[0]))
            return false;
        for (int i = 1; i < chars.length; ++i)
            if (!Character.isLowerCase(chars[i]))
                return false;
        return true;
    }

    /**
     * Returns a title-cased version of the specified word,
     * which involves capitalizing the first character in
     * the word if it is a letter.
     *
     * @param word The word to convert to title case.
     * @return Title cased version of specified word.
     */
    public static String titleCase(String word) {
        if (word.length() < 1)
            return word;
        if (!Character.isLetter(word.charAt(0)))
            return word;
        return Character.toUpperCase(word.charAt(0)) + word.substring(1);
    }

}