1600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpackage gov.nist.javax.sip.parser.ims; 2600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/* 3600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Conditions Of Use 4600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 5600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* This software was developed by employees of the National Institute of 6600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Standards and Technology (NIST), an agency of the Federal Government. 7600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Pursuant to title 15 Untied States Code Section 105, works of NIST 8600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* employees are not subject to copyright protection in the United States 9600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* and are considered to be in the public domain. As a result, a formal 10600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* license is not needed to use the software. 11600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 12600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* This software is provided by NIST as a service and is expressly 13600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED 14600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF 15600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT 16600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* AND DATA ACCURACY. NIST does not warrant or make any representations 17600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* regarding the use of the software or the results thereof, including but 18600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* not limited to the correctness, accuracy, reliability or usefulness of 19600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* the software. 20600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 21600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Permission to use this software is contingent upon your acceptance 22600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* of the terms of this agreement 23600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 24600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* . 25600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 26600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang*/ 27600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport java.text.ParseException; 28600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport javax.sip.InvalidArgumentException; 29600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.header.SIPHeader; 30600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.header.ims.PAssertedService; 31600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.header.ims.ParameterNamesIms; 32600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.parser.HeaderParser; 33600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.parser.Lexer; 34600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.parser.TokenTypes; 35600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 36600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/** 37600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 38600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @author aayush.bhatnagar 39600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Rancore Technologies Pvt Ltd, Mumbai India. 40600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 41600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Parse this: 42600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * P-Asserted-Service: urn:urn-7:3gpp-service.exampletelephony.version1 43600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 44600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 45600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpublic class PAssertedServiceParser extends HeaderParser implements TokenTypes{ 46600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 47600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang protected PAssertedServiceParser(Lexer lexer) { 48600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super(lexer); 49600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 50600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 51600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public PAssertedServiceParser(String pas) 52600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang { 53600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super(pas); 54600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 55600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 56600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public SIPHeader parse() throws ParseException { 57600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if(debug) 58600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang dbg_enter("PAssertedServiceParser.parse"); 59600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang try 60600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang { 61600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.match(TokenTypes.P_ASSERTED_SERVICE); 62600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 63600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.match(':'); 64600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.lexer.SPorHT(); 65600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 66600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang PAssertedService pps = new PAssertedService(); 67600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang String urn = this.lexer.getBuffer(); 68600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if(urn.contains(ParameterNamesIms.SERVICE_ID)){ 69600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 70600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if(urn.contains(ParameterNamesIms.SERVICE_ID_LABEL)) 71600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang { 72600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang String serviceID = urn.split(ParameterNamesIms.SERVICE_ID_LABEL+".")[1]; 73600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 74600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if(serviceID.trim().equals("")) 75600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang try { 76600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new InvalidArgumentException("URN should atleast have one sub-service"); 77600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } catch (InvalidArgumentException e) { 78600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 79600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang e.printStackTrace(); 80600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 81600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang else 82600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang pps.setSubserviceIdentifiers(urn.split(ParameterNamesIms.SERVICE_ID_LABEL)[1]); 83600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 84600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang else if(urn.contains(ParameterNamesIms.APPLICATION_ID_LABEL)) 85600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang { 86600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang String appID = urn.split(ParameterNamesIms.APPLICATION_ID_LABEL+".")[1]; 87600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if(appID.trim().equals("")) 88600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang try { 89600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new InvalidArgumentException("URN should atleast have one sub-application"); 90600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } catch (InvalidArgumentException e) { 91600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang e.printStackTrace(); 92600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 93600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang else 94600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang pps.setApplicationIdentifiers(urn.split(ParameterNamesIms.APPLICATION_ID_LABEL)[1]); 95600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 96600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang else 97600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang { 98600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang try { 99600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new InvalidArgumentException("URN is not well formed"); 100600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 101600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } catch (InvalidArgumentException e) { 102600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang e.printStackTrace(); 103600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 104600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 105600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 106600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 107600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super.parse(); 108600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return pps; 109600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 110600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang finally{ 111600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if(debug) 112600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang dbg_enter("PAssertedServiceParser.parse"); 113600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 114600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 115600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 116600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang} 117