/**
* Creates a new <tt>Request</tt> instance which is to be sent by this
* <tt>StunCandidateHarvest</tt> in order to retry a specific <tt>Request</tt>. For example, the
* long-term credential mechanism dictates that a <tt>Request</tt> is first sent by the client
* without any credential-related attributes, then it gets challenged by the server and the client
* retries the original <tt>Request</tt> with the appropriate credential-related attributes in
* response.
*
* @param request the <tt>Request</tt> which is to be retried by this
* <tt>StunCandidateHarvest</tt>
* @return the new <tt>Request</tt> instance which is to be sent by this
* <tt>StunCandidateHarvest</tt> in order to retry the specified <tt>request</tt>
*/
protected Request createRequestToRetry(Request request) {
switch (request.getMessageType()) {
case Message.BINDING_REQUEST:
return MessageFactory.createBindingRequest();
default:
throw new IllegalArgumentException("request.messageType");
}
}
/**
* Creates a new <tt>Request</tt> which is to be sent to {@link StunCandidateHarvester#stunServer}
* in order to start resolving {@link #hostCandidate}.
*
* @return a new <tt>Request</tt> which is to be sent to {@link StunCandidateHarvester#stunServer}
* in order to start resolving {@link #hostCandidate}
*/
protected Request createRequestToStartResolvingCandidate() {
return MessageFactory.createBindingRequest();
}