This method invokes the HTTP OPTIONS method.

public <T> T options(GenericType<T> gt)

throws UniformInterfaceException

gt

This is the GenericType object that expresses the type of an HTTP response entity.

The options(GenericType<T> gt) method returns the object of the type expressed by the specified GenericType object.

UniformInterfaceException

This exception is thrown if any of the following conditions is fulfilled. The error message KDJJ18888-E is output to the log.

• If the status code of the HTTP response is 204
• If the status code of the HTTP response is 300 or more and the gt parameter does not express the ClientResponse type

• For the Java types available for an HTTP response entity, see 25.15.2 Combination of Java types and MIME media types available for an HTTP response entity.
• If an exception is thrown during the processing of an HTTP request or an HTTP response, an error (KDJJ18888-E) occurs and the ClientHandlerException exception that wraps this exception is thrown.