Piglating Java Library

Translator.java

package com.buildndeploy.piglatin;

public class Translator {
	public String translate(String input) {
		Character firstLetter = input.charAt(0);
		String newString;

		if (isVowel(firstLetter)) {
			newString = input + "way";

		} else {
			int splitIndex = findSplitIndex(input);
			
			String newFirstHalf = input.substring(splitIndex);
			String newSecondHalf = input.substring(0,splitIndex).toLowerCase();
			
			Character newFirstLetter = newFirstHalf.charAt(0);

			if (Character.isUpperCase(firstLetter)) {
				newFirstLetter = Character.toUpperCase(newFirstLetter);
			}
			newString = newFirstLetter + newFirstHalf.substring(1) + newSecondHalf + "ay";

		}

		return newString;
	}

	private int findSplitIndex(String input) {
		int splitIndex = 0;
		int inputLength = input.length();
		
		for (int i = 0; i < inputLength; i++) {
			if (isVowel(input.charAt(i))) {
				splitIndex = i;
				break;
			}
		}
		
		return splitIndex;
	}

	private boolean isVowel(Character firstLetter) {
		return firstLetter.equals('a')
			|| firstLetter.equals('e')
			|| firstLetter.equals('i')
			|| firstLetter.equals('o')
			|| firstLetter.equals('u')
			|| firstLetter.equals('y')
			|| firstLetter.equals('A')
			|| firstLetter.equals('E')
			|| firstLetter.equals('I')
			|| firstLetter.equals('O')
			|| firstLetter.equals('U')
			|| firstLetter.equals('Y');
	}

}