public static Iterable iterableOf()

in google-http-client/src/main/java/com/google/api/client/util/Types.java [354:389]

• 31 lines of code
• 4 McCabe index (conditional complexity)

  public static <T> Iterable<T> iterableOf(final Object value) {
    if (value instanceof Iterable<?>) {
      return (Iterable<T>) value;
    }
    Class<?> valueClass = value.getClass();
    Preconditions.checkArgument(valueClass.isArray(), "not an array or Iterable: %s", valueClass);
    Class<?> subClass = valueClass.getComponentType();
    if (!subClass.isPrimitive()) {
      return Arrays.<T>asList((T[]) value);
    }
    return new Iterable<T>() {

      public Iterator<T> iterator() {
        return new Iterator<T>() {

          final int length = Array.getLength(value);
          int index = 0;

          public boolean hasNext() {
            return index < length;
          }

          public T next() {
            if (!hasNext()) {
              throw new NoSuchElementException();
            }
            return (T) Array.get(value, index++);
          }

          public void remove() {
            throw new UnsupportedOperationException();
          }
        };
      }
    };
  }