This method invokes an HTTP method. The method(String method, GenericType<T>gt, Object requestEntity) method does not include any entity in the request, but receives a response entity.

public <T> T method(String method,

GenericType<T> gt,

Object requestEntity)

throws UniformInterfaceException

method

This is an HTTP method.

gt

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

requestEntity

This is an HTTP request entity.

The 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

• Specify uppercase GET, HEAD, POST, OPTIONS, PUT, or DELETE in the method parameter.
• For the Java types available for an HTTP request entity, see 25.15.1 Combination of Java types and MIME media types available for an HTTP request entity.
• 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.