/**
* Creates a default SIPResponse message for this request. Note You must add the necessary tags to
* outgoing responses if need be. For efficiency, this method does not clone the incoming request.
* If you want to modify the outgoing response, be sure to clone the incoming request as the
* headers are shared and any modification to the headers of the outgoing response will result in
* a modification of the incoming request. Tag fields are just copied from the incoming request.
* Contact headers are removed from the incoming request. Added by Jeff Keyser. Route headers are
* not added to the response.
*
* @param statusCode Status code for the response.
* @param reasonPhrase Reason phrase for this response.
* @return A SIPResponse with the status and reason supplied, and a copy of all the original
* headers from this request except the ones that are not supposed to be part of the response
* .
*/
public SIPResponse createResponse(int statusCode, String reasonPhrase) {
SIPResponse newResponse;
Iterator headerIterator;
SIPHeader nextHeader;
newResponse = new SIPResponse();
try {
newResponse.setStatusCode(statusCode);
} catch (ParseException ex) {
throw new IllegalArgumentException("Bad code " + statusCode);
}
if (reasonPhrase != null) newResponse.setReasonPhrase(reasonPhrase);
else newResponse.setReasonPhrase(SIPResponse.getReasonPhrase(statusCode));
headerIterator = getHeaders();
while (headerIterator.hasNext()) {
nextHeader = (SIPHeader) headerIterator.next();
if (nextHeader instanceof From
|| nextHeader instanceof To
|| nextHeader instanceof ViaList
|| nextHeader instanceof CallID
|| (nextHeader instanceof RecordRouteList && mustCopyRR(statusCode))
|| nextHeader instanceof CSeq
// We just copy TimeStamp for all headers (not just 100).
|| nextHeader instanceof TimeStamp) {
try {
newResponse.attachHeader((SIPHeader) nextHeader.clone(), false);
} catch (SIPDuplicateHeaderException e) {
e.printStackTrace();
}
}
}
if (MessageFactoryImpl.getDefaultServerHeader() != null) {
newResponse.setHeader(MessageFactoryImpl.getDefaultServerHeader());
}
if (newResponse.getStatusCode() == 100) {
// Trying is never supposed to have the tag parameter set.
newResponse.getTo().removeParameter("tag");
}
ServerHeader server = MessageFactoryImpl.getDefaultServerHeader();
if (server != null) {
newResponse.setHeader(server);
}
return newResponse;
}
/**
* Handles a new SIP response. It finds a client transaction to handle this message. If none
* exists, it sends the message directly to the superclass.
*
* @param responseReceived Response to handle.
* @param responseMessageChannel Channel that received message.
* @return A client transaction.
*/
protected ServerResponseInterface newSIPServerResponse(
SIPResponse responseReceived, MessageChannel responseMessageChannel) {
// System.out.println("response = " + responseReceived.encode());
// Iterator through all client transactions
Iterator<SIPClientTransaction> transactionIterator;
// Next transaction in the set
SIPClientTransaction nextTransaction;
// Transaction to handle this request
SIPClientTransaction currentTransaction;
String key = responseReceived.getTransactionId();
currentTransaction = (SIPClientTransaction) clientTransactionTable.get(key);
if (currentTransaction == null
|| !currentTransaction.isMessagePartOfTransaction(responseReceived)) {
// Loop through all server transactions
synchronized (clientTransactions) {
transactionIterator = clientTransactions.iterator();
currentTransaction = null;
while (transactionIterator.hasNext() && currentTransaction == null) {
nextTransaction = (SIPClientTransaction) transactionIterator.next();
// If this transaction should handle this request,
if (nextTransaction.isMessagePartOfTransaction(responseReceived)) {
// Mark this transaction as the one to
// handle this message
currentTransaction = nextTransaction;
}
}
}
// If no transaction exists to handle this message,
if (currentTransaction == null) {
// Pass the message directly to the TU
return super.newSIPServerResponse(responseReceived, responseMessageChannel);
}
}
// Set ths transaction's encapsulated response interface
// from the superclass
currentTransaction.setResponseInterface(
super.newSIPServerResponse(responseReceived, currentTransaction));
return currentTransaction;
}
/**
* Creates a default SIPResponse message for this request. Note You must add the necessary tags to
* outgoing responses if need be. For efficiency, this method does not clone the incoming request.
* If you want to modify the outgoing response, be sure to clone the incoming request as the
* headers are shared and any modification to the headers of the outgoing response will result in
* a modification of the incoming request. Tag fields are just copied from the incoming request.
* Contact headers are removed from the incoming request. Added by Jeff Keyser.
*
* @param statusCode Status code for the response. Reason phrase is generated.
* @return A SIPResponse with the status and reason supplied, and a copy of all the original
* headers from this request.
*/
public SIPResponse createResponse(int statusCode) {
String reasonPhrase = SIPResponse.getReasonPhrase(statusCode);
return this.createResponse(statusCode, reasonPhrase);
}