examples.parser.Parser Maven / Gradle / Ivy
package examples.parser;
import gov.nist.javax.sip.header.ims.PAssertedIdentityHeader;
import gov.nist.javax.sip.header.ims.PPreferredIdentityHeader;
import javax.sdp.SdpFactory;
import javax.sdp.SessionDescription;
import javax.sip.SipFactory;
import javax.sip.address.AddressFactory;
import javax.sip.header.ExtensionHeader;
import javax.sip.header.HeaderFactory;
import javax.sip.message.MessageFactory;
import javax.sip.message.Request;
import javax.sip.message.Response;
/**
* This example shows you how you can use the message factory to parse SIP
* messages. You dont need to create a sip stack for this example.
*
* @author M. Ranganathan
*
*/
public class Parser {
public static void main(String[] args) throws Exception {
SipFactory sipFactory = null;
HeaderFactory headerFactory;
AddressFactory addressFactory;
MessageFactory messageFactory;
sipFactory = SipFactory.getInstance();
sipFactory.setPathName("gov.nist");
headerFactory = sipFactory.createHeaderFactory();
addressFactory = sipFactory.createAddressFactory();
messageFactory = sipFactory.createMessageFactory();
// If you get a request from a socket, you can use the jsip api to parse it.
String request = "INVITE sip:00001002000022@p25dr;user=TIA-P25-SU SIP/2.0\r\n"
+ "CSeq: 1 INVITE\r\n"
+ "From: ;tag=841\r\n"
+ "To: \r\n"
+ "Via: SIP/2.0/UDP 02.002.00001.p25dr;branch=z9hG4bKa10f04383e3d8e8dbf3f6d06f6bb6880\r\n"
+ "Max-Forwards: 70\r\n"
+ "Route: ,\r\n"
+ "Contact: \r\n"
+ "Timestamp: 1154567665687\r\n"
+ "Allow: REGISTER,INVITE,ACK,BYE,CANCEL\r\n"
+ "Accept: application/sdp ;level=1,application/x-tia-p25-issi\r\n"
+ "Call-ID: [email protected]\r\n"
+ "Content-Type: application/sdp;level=1\r\n"
+ "P-Asserted-Identity: \r\n"
+ "P-Preferred-Identity: \r\n"
+ "Content-Length: 145\r\n\r\n"
+ "v=0\r\n"
+ "o=- 30576 0 IN IP4 127.0.0.1\r\n"
+ "s=TIA-P25-SuToSuCall\r\n"
+ "t=0 0\r\n"
+ "c=IN IP4 127.0.0.1\r\n"
+ "m=audio 12412 RTP/AVP 100\r\n"
+ "a=rtpmap:100 X-TIA-P25-IMBE/8000\r\n";
Request sipRequest = messageFactory.createRequest(request);
byte[] contentBytes = sipRequest.getRawContent();
String contentString = new String(contentBytes);
//SdpFactory sdpFactory = SdpFactory.getInstance();
//SessionDescription sd = sdpFactory
// .createSessionDescription(contentString);
PAssertedIdentityHeader h = (PAssertedIdentityHeader)sipRequest.getHeader(PAssertedIdentityHeader.NAME);
System.out.println( h.getClass() );
System.out.println( h instanceof ExtensionHeader );
System.out.println( h instanceof PAssertedIdentityHeader );
PPreferredIdentityHeader h2 = (PPreferredIdentityHeader) sipRequest.getHeader(PPreferredIdentityHeader.NAME);
System.out.println( h2.getClass() );
System.out.println( h2 instanceof ExtensionHeader );
System.out.println( h2 instanceof PPreferredIdentityHeader );
System.out.println("Parsed SIPRequest is :\n" + sipRequest.toString());
//System.out.println("Parsed Content is :\n" + sd.toString());
// Similarly, if you get a response via a socket, you can use the jsip api to parse it
String response = "SIP/2.0 200 OK\r\n"+
"CSeq: 1 INVITE\r\n"+
"From: ;tag=397\r\n"+
"To: ;tag=466\r\n"+
"Via: SIP/2.0/UDP 01.002.00001.p25dr;branch=z9hG4bK7d2479f1f7d746f315664fb5d0e85d08," +
"SIP/2.0/UDP 02.002.00001.p25dr;branch=z9hG4bKa10f04383e3d8e8dbf3f6d06f6bb6880\r\n"+
"Call-ID: [email protected]\r\n" +
"Record-Route: ,\r\n"+
"Contact: \r\n"+
"Timestamp: 1154567665687\r\n"+
"Content-Type: application/sdp;level=1\r\n"+
"Content-Length: 145\r\n\r\n"+
"v=0\r\n"+
"o=- 30576 0 in ip4 127.0.0.1\r\n"+
"s=tia-p25-sutosucall\r\n"+
"c=in ip4 127.0.0.1\r\n"+
"t=0 0\r\n"+
"m=audio 12230 rtp/avp 100\r\n"+
"a=rtpmap:100 x-tia-p25-imbe/8000\r\n";
Response sipResponse = messageFactory.createResponse(response);
System.out.println("Parsed SIP Response is :\n" + sipResponse);
contentBytes = sipResponse.getRawContent();
contentString = new String(contentBytes);
SdpFactory sdpFactory = SdpFactory.getInstance();
SessionDescription sd = sdpFactory.createSessionDescription(contentString);
System.out.println("Parsed Content is :\n" + sd.toString());
}
}