public static Type getElementType()

in src/main/java/net/hydromatic/linq4j/expressions/Types.java [52:73]

• 22 lines of code
• 9 McCabe index (conditional complexity)

  public static Type getElementType(Type type) {
    if (type instanceof ArrayType) {
      return ((ArrayType) type).getComponentType();
    }
    if (type instanceof GenericArrayType) {
      return ((GenericArrayType) type).getGenericComponentType();
    }
    Class clazz = toClass(type);
    if (clazz.isArray()) {
      return clazz.getComponentType();
    }
    if (Collection.class.isAssignableFrom(clazz)
        || Iterable.class.isAssignableFrom(clazz)
        || Iterator.class.isAssignableFrom(clazz)
        || Enumerator.class.isAssignableFrom(clazz)) {
      if (type instanceof ParameterizedType) {
        return ((ParameterizedType) type).getActualTypeArguments()[0];
      }
      return Object.class;
    }
    return null;
  }