1 package gov.nist.javax.sip.parser.ims; 2 /* 3 * Conditions Of Use 4 * 5 * This software was developed by employees of the National Institute of 6 * Standards and Technology (NIST), an agency of the Federal Government. 7 * Pursuant to title 15 Untied States Code Section 105, works of NIST 8 * employees are not subject to copyright protection in the United States 9 * and are considered to be in the public domain. As a result, a formal 10 * license is not needed to use the software. 11 * 12 * This software is provided by NIST as a service and is expressly 13 * provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED 14 * OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF 15 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT 16 * AND DATA ACCURACY. NIST does not warrant or make any representations 17 * regarding the use of the software or the results thereof, including but 18 * not limited to the correctness, accuracy, reliability or usefulness of 19 * the software. 20 * 21 * Permission to use this software is contingent upon your acceptance 22 * of the terms of this agreement 23 * 24 * . 25 * 26 */ 27 import java.text.ParseException; 28 import javax.sip.InvalidArgumentException; 29 import gov.nist.javax.sip.header.SIPHeader; 30 import gov.nist.javax.sip.header.ims.PAssertedService; 31 import gov.nist.javax.sip.header.ims.ParameterNamesIms; 32 import gov.nist.javax.sip.parser.HeaderParser; 33 import gov.nist.javax.sip.parser.Lexer; 34 import gov.nist.javax.sip.parser.TokenTypes; 35 36 /** 37 * 38 * @author aayush.bhatnagar 39 * Rancore Technologies Pvt Ltd, Mumbai India. 40 * 41 * Parse this: 42 * P-Asserted-Service: urn:urn-7:3gpp-service.exampletelephony.version1 43 * 44 */ 45 public class PAssertedServiceParser extends HeaderParser implements TokenTypes{ 46 PAssertedServiceParser(Lexer lexer)47 protected PAssertedServiceParser(Lexer lexer) { 48 super(lexer); 49 } 50 PAssertedServiceParser(String pas)51 public PAssertedServiceParser(String pas) 52 { 53 super(pas); 54 } 55 parse()56 public SIPHeader parse() throws ParseException { 57 if(debug) 58 dbg_enter("PAssertedServiceParser.parse"); 59 try 60 { 61 this.lexer.match(TokenTypes.P_ASSERTED_SERVICE); 62 this.lexer.SPorHT(); 63 this.lexer.match(':'); 64 this.lexer.SPorHT(); 65 66 PAssertedService pps = new PAssertedService(); 67 String urn = this.lexer.getBuffer(); 68 if(urn.contains(ParameterNamesIms.SERVICE_ID)){ 69 70 if(urn.contains(ParameterNamesIms.SERVICE_ID_LABEL)) 71 { 72 String serviceID = urn.split(ParameterNamesIms.SERVICE_ID_LABEL+".")[1]; 73 74 if(serviceID.trim().equals("")) 75 try { 76 throw new InvalidArgumentException("URN should atleast have one sub-service"); 77 } catch (InvalidArgumentException e) { 78 79 e.printStackTrace(); 80 } 81 else 82 pps.setSubserviceIdentifiers(urn.split(ParameterNamesIms.SERVICE_ID_LABEL)[1]); 83 } 84 else if(urn.contains(ParameterNamesIms.APPLICATION_ID_LABEL)) 85 { 86 String appID = urn.split(ParameterNamesIms.APPLICATION_ID_LABEL+".")[1]; 87 if(appID.trim().equals("")) 88 try { 89 throw new InvalidArgumentException("URN should atleast have one sub-application"); 90 } catch (InvalidArgumentException e) { 91 e.printStackTrace(); 92 } 93 else 94 pps.setApplicationIdentifiers(urn.split(ParameterNamesIms.APPLICATION_ID_LABEL)[1]); 95 } 96 else 97 { 98 try { 99 throw new InvalidArgumentException("URN is not well formed"); 100 101 } catch (InvalidArgumentException e) { 102 e.printStackTrace(); 103 } 104 } 105 } 106 107 super.parse(); 108 return pps; 109 } 110 finally{ 111 if(debug) 112 dbg_enter("PAssertedServiceParser.parse"); 113 } 114 115 } 116 } 117