package gov.nist.javax.sip.parser.ims;
/*
* Conditions Of Use
*
* This software was developed by employees of the National Institute of
* Standards and Technology (NIST), an agency of the Federal Government.
* Pursuant to title 15 Untied States Code Section 105, works of NIST
* employees are not subject to copyright protection in the United States
* and are considered to be in the public domain. As a result, a formal
* license is not needed to use the software.
*
* This software is provided by NIST as a service and is expressly
* provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
* AND DATA ACCURACY. NIST does not warrant or make any representations
* regarding the use of the software or the results thereof, including but
* not limited to the correctness, accuracy, reliability or usefulness of
* the software.
*
* Permission to use this software is contingent upon your acceptance
* of the terms of this agreement
*
* .
*
*/
import java.text.ParseException;
import javax.sip.InvalidArgumentException;
import gov.nist.javax.sip.header.SIPHeader;
import gov.nist.javax.sip.header.ims.PAssertedService;
import gov.nist.javax.sip.header.ims.ParameterNamesIms;
import gov.nist.javax.sip.parser.HeaderParser;
import gov.nist.javax.sip.parser.Lexer;
import gov.nist.javax.sip.parser.TokenTypes;
/**
*
* @author aayush.bhatnagar
* Rancore Technologies Pvt Ltd, Mumbai India.
*
* Parse this:
* P-Asserted-Service: urn:urn-7:3gpp-service.exampletelephony.version1
*
*/
public class PAssertedServiceParser extends HeaderParser implements TokenTypes{
protected PAssertedServiceParser(Lexer lexer) {
super(lexer);
}
public PAssertedServiceParser(String pas)
{
super(pas);
}
public SIPHeader parse() throws ParseException {
if(debug)
dbg_enter("PAssertedServiceParser.parse");
try
{
this.lexer.match(TokenTypes.P_ASSERTED_SERVICE);
this.lexer.SPorHT();
this.lexer.match(':');
this.lexer.SPorHT();
PAssertedService pps = new PAssertedService();
String urn = this.lexer.getBuffer();
if(urn.contains(ParameterNamesIms.SERVICE_ID)){
if(urn.contains(ParameterNamesIms.SERVICE_ID_LABEL))
{
String serviceID = urn.split(ParameterNamesIms.SERVICE_ID_LABEL+".")[1];
if(serviceID.trim().equals(""))
try {
throw new InvalidArgumentException("URN should atleast have one sub-service");
} catch (InvalidArgumentException e) {
e.printStackTrace();
}
else
pps.setSubserviceIdentifiers(urn.split(ParameterNamesIms.SERVICE_ID_LABEL)[1]);
}
else if(urn.contains(ParameterNamesIms.APPLICATION_ID_LABEL))
{
String appID = urn.split(ParameterNamesIms.APPLICATION_ID_LABEL+".")[1];
if(appID.trim().equals(""))
try {
throw new InvalidArgumentException("URN should atleast have one sub-application");
} catch (InvalidArgumentException e) {
e.printStackTrace();
}
else
pps.setApplicationIdentifiers(urn.split(ParameterNamesIms.APPLICATION_ID_LABEL)[1]);
}
else
{
try {
throw new InvalidArgumentException("URN is not well formed");
} catch (InvalidArgumentException e) {
e.printStackTrace();
}
}
}
super.parse();
return pps;
}
finally{
if(debug)
dbg_enter("PAssertedServiceParser.parse");
}
}
}