Class: CapabilityExchange

Methods

enquiry(selfCapability, target)

Sends a capability enquiry message.

Parameters:

Name	Type	Description
selfCapability	String	The initiator's capability of this enquiry
target	String	The target user identity of this enquiry

respond(Query, selfCapability)

Sends a capability enquiry response message.

Parameters:

Name	Type	Description
Query	Query	An object contains the query information; this function will respond for the enquiry represented by this object
selfCapability	String	The capability to return

Events

onError

Event handler that is called when an error message is received, for example, the enquiry target is not reachable, or the enquiry request has timed out and so on.

Parameters:

Name	Type	Description
Error	Object	An error object that contains the properties "action", "errorCode" and "errorReason"

onQueryRequest

Event handler that is called when the capability enquiry request is received. An object contains the enquiry information to be passed to the application. This Query object contains properties like initiator, target, initiatorCapability, and targetCapability.

Parameters:

Name	Type	Description
Query	Query	An object that represents a capability enquiry

onQueryResponse

Event handler called when the capability enquiry response is received. An object contains the enquiry information to be passed to the application. This Query object contains properties like initiator, target, initiatorCapability, and targetCapability.

Parameters:

Name	Type	Description
Query	Query	An object that represents a capability query