Checks if the input data can be handled by this class. Throws an error if it can't handle the data.
Input data that would be handled potentially.
A promise resolving if this input can be handled, rejecting with an Error if not.
Handles the given input. This should only be done if the canHandle function returned true.
Input data that needs to be handled.
A promise resolving when the handling is finished. Return value depends on the given type.
The data to handle.
The result of the handle function of the handler.
Writes to the HttpResponse. Response depends on the operation result and potentially which errors was thrown.