public static String[] concatenateStringArrays(String[] array1, String[] array2) {
		if (ObjectUtils.isEmpty(array1)) {
			return array2;
		}
		if (ObjectUtils.isEmpty(array2)) {
			return array1;
		}
		String[] newArr = new String[array1.length + array2.length];
		System.arraycopy(array1, 0, newArr, 0, array1.length);
		System.arraycopy(array2, 0, newArr, array1.length, array2.length);
		return newArr;
	}