Convert a collection to the array.

ConvertCollectionToArray.java

/**
 * Convert a Collection to the array of {@link Class<T[]>} type
 * @param type          class of outgoing array
 * @param collection    collection which should be converted
 * @param <T>           base type for outgoing array
 * @return              outgoing array {@link Class<T[]>}
 */
private static <T> T[] convertCollectionToArray(Class<T[]> type, Collection collection) {
  T[] t = type.cast(Array.newInstance(type.getComponentType(), collection.size()));
  return (T[]) collection.toArray(t);
}