StringUtils.java

/**
 * Copyright (c) 2012, Hadyn Richard
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy 
 * of this software and associated documentation files (the "Software"), to deal 
 * in the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is furnished to do
 * so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in 
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 
 * THE SOFTWARE.
 */

package net.scapeemulator.game.util;

/**
 * Created by Hadyn Richard
 */
public final class StringUtils {

	public static String toCamelCase(String str) {
		String[] strings = str.toLowerCase().split("_");
		for (int i = 0; i < strings.length; i++) {
			strings[i] = capitalize(strings[i]);
		}
		return join(strings);
	}

	public static String capitalize(String str) {
		String capitalized = "";
		for (int i = 0; i < str.length(); i++) {
			char c = str.charAt(i);
			if (i == 0) {
				c = Character.toUpperCase(c);
			}
			capitalized += c;
		}
		return capitalized;
	}

	public static String join(String[] strs) {
		String joined = "";
		for (String str : strs) {
			joined += str;
		}
		return joined;
	}

	public static String addAOrAn(String word) {
		char c = word.charAt(0);
		return (isVowel(c) ? "an" : "a") + " " + word;
	}
	
	public static boolean isVowel(char c) {
		 return "AEIOUaeiou".indexOf(c) != -1;
	}
	
	private StringUtils() {
	}
}