1 package gov.nist.javax.sip.parser.extensions; 2 3 import gov.nist.javax.sip.header.*; 4 import gov.nist.javax.sip.header.extensions.*; 5 import gov.nist.javax.sip.parser.*; 6 7 import java.text.ParseException; 8 import javax.sip.*; 9 10 /** 11 * Parser for SIP MinSE Parser. 12 * 13 * Min-SE = "Min-SE" HCOLON delta-seconds *(SEMI generic-param) 14 * 15 * @author P. Musgrave <pmusgrave (at) newheights.com> 16 * 17 * <a href="{@docRoot}/uncopyright.html">This code is in the public domain.</a> 18 */ 19 public class MinSEParser extends ParametersParser { 20 21 /** 22 * protected constructor. 23 * @param text is the text of the header to parse 24 */ 25 public MinSEParser(String text) { 26 super(text); 27 } 28 29 /** 30 * constructor. 31 * @param lexer is the lexer passed in from the enclosing parser. 32 */ 33 protected MinSEParser(Lexer lexer) { 34 super(lexer); 35 } 36 37 /** 38 * Parse the header. 39 */ 40 public SIPHeader parse() throws ParseException { 41 MinSE minse = new MinSE(); 42 if (debug) 43 dbg_enter("parse"); 44 try { 45 headerName(TokenTypes.MINSE_TO); 46 47 String nextId = lexer.getNextId(); 48 try { 49 int delta = Integer.parseInt(nextId); 50 minse.setExpires(delta); 51 } catch (NumberFormatException ex) { 52 throw createParseException("bad integer format"); 53 } catch (InvalidArgumentException ex) { 54 throw createParseException(ex.getMessage()); 55 } 56 this.lexer.SPorHT(); 57 super.parse(minse); 58 return minse; 59 60 } finally { 61 if (debug) 62 dbg_leave("parse"); 63 } 64 65 } 66 67 public static void main(String args[]) throws ParseException { 68 String to[] = 69 { "Min-SE: 30\n", 70 "Min-SE: 45;some-param=somevalue\n", 71 }; 72 73 for (int i = 0; i < to.length; i++) { 74 MinSEParser tp = new MinSEParser(to[i]); 75 MinSE t = (MinSE) tp.parse(); 76 System.out.println("encoded = " + t.encode()); 77 System.out.println("\ntime=" + t.getExpires() ); 78 if ( t.getParameter("some-param") != null) 79 System.out.println("some-param=" + t.getParameter("some-param") ); 80 81 } 82 } 83 84 85 86 87 } 88
