1 /* 2 * Conditions Of Use 3 * 4 * This software was developed by employees of the National Institute of 5 * Standards and Technology (NIST), an agency of the Federal Government. 6 * Pursuant to title 15 Untied States Code Section 105, works of NIST 7 * employees are not subject to copyright protection in the United States 8 * and are considered to be in the public domain. As a result, a formal 9 * license is not needed to use the software. 10 * 11 * This software is provided by NIST as a service and is expressly 12 * provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED 13 * OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF 14 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT 15 * AND DATA ACCURACY. NIST does not warrant or make any representations 16 * regarding the use of the software or the results thereof, including but 17 * not limited to the correctness, accuracy, reliability or usefulness of 18 * the software. 19 * 20 * Permission to use this software is contingent upon your acceptance 21 * of the terms of this agreement 22 * 23 * . 24 * 25 */ 26 package gov.nist.javax.sip.parser; 27 28 import gov.nist.javax.sip.header.*; 29 import gov.nist.core.*; 30 import java.text.ParseException; 31 32 /** parameters parser header. 33 * 34 * @version 1.2 $Revision: 1.10 $ $Date: 2009/07/17 18:58:01 $ 35 * 36 * @author M. Ranganathan <br/> 37 * 38 * 39 * 40 */ 41 public abstract class ParametersParser extends HeaderParser { 42 ParametersParser(Lexer lexer)43 protected ParametersParser(Lexer lexer) { 44 super((Lexer) lexer); 45 } 46 ParametersParser(String buffer)47 protected ParametersParser(String buffer) { 48 super(buffer); 49 } 50 parse(ParametersHeader parametersHeader)51 protected void parse(ParametersHeader parametersHeader) 52 throws ParseException { 53 this.lexer.SPorHT(); 54 while (lexer.lookAhead(0) == ';') { 55 this.lexer.consume(1); 56 // eat white space 57 this.lexer.SPorHT(); 58 NameValue nv = nameValue(); 59 parametersHeader.setParameter(nv); 60 // eat white space 61 this.lexer.SPorHT(); 62 } 63 } 64 65 66 parseNameValueList(ParametersHeader parametersHeader)67 protected void parseNameValueList(ParametersHeader parametersHeader) 68 throws ParseException{ 69 parametersHeader.removeParameters(); 70 while (true) { 71 this.lexer.SPorHT(); 72 NameValue nv = nameValue(); 73 parametersHeader.setParameter(nv.getName(), (String) nv.getValueAsObject()); 74 // eat white space 75 this.lexer.SPorHT(); 76 if (lexer.lookAhead(0) != ';') break; 77 else lexer.consume(1); 78 } 79 } 80 } 81