| /* |
| * 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 |
| * |
| * . |
| * |
| */ |
| package gov.nist.javax.sip.parser; |
| |
| import gov.nist.javax.sip.header.*; |
| import gov.nist.core.*; |
| import java.text.ParseException; |
| import javax.sip.*; |
| |
| /** |
| * Parser for Warning header. |
| * |
| * @version 1.2 |
| * |
| * @author Olivier Deruelle |
| * @author M. Ranganathan |
| * |
| * |
| * |
| * @version 1.0 |
| */ |
| public class WarningParser extends HeaderParser { |
| |
| /** |
| * Constructor |
| * |
| * @param warning - |
| * Warning header to parse |
| */ |
| public WarningParser(String warning) { |
| super(warning); |
| } |
| |
| /** |
| * Cosntructor |
| * |
| * @param lexer - |
| * the lexer to use. |
| */ |
| protected WarningParser(Lexer lexer) { |
| super(lexer); |
| } |
| |
| /** |
| * parse the String message |
| * |
| * @return SIPHeader (WarningList object) |
| * @throws SIPParseException |
| * if the message does not respect the spec. |
| */ |
| public SIPHeader parse() throws ParseException { |
| WarningList warningList = new WarningList(); |
| if (debug) |
| dbg_enter("WarningParser.parse"); |
| |
| try { |
| headerName(TokenTypes.WARNING); |
| |
| while (lexer.lookAhead(0) != '\n') { |
| Warning warning = new Warning(); |
| warning.setHeaderName(SIPHeaderNames.WARNING); |
| |
| // Parsing the 3digits code |
| this.lexer.match(TokenTypes.ID); |
| Token token = lexer.getNextToken(); |
| try { |
| int code = Integer.parseInt(token.getTokenValue()); |
| warning.setCode(code); |
| } catch (NumberFormatException ex) { |
| throw createParseException(ex.getMessage()); |
| } catch (InvalidArgumentException ex) { |
| throw createParseException(ex.getMessage()); |
| } |
| this.lexer.SPorHT(); |
| |
| // Parsing the agent |
| this.lexer.match(TokenTypes.ID); |
| token = lexer.getNextToken(); |
| // Bug reported by zvali@dev.java.net |
| if (lexer.lookAhead(0) == ':') { |
| this.lexer.match(':'); |
| this.lexer.match(TokenTypes.ID); |
| Token token2 = lexer.getNextToken(); |
| warning.setAgent(token.getTokenValue() + ":" |
| + token2.getTokenValue()); |
| } else { |
| warning.setAgent(token.getTokenValue()); |
| } |
| |
| this.lexer.SPorHT(); |
| |
| // Parsing the text |
| String text = this.lexer.quotedString(); |
| warning.setText(text); |
| this.lexer.SPorHT(); |
| |
| warningList.add(warning); |
| |
| while (lexer.lookAhead(0) == ',') { |
| this.lexer.match(','); |
| this.lexer.SPorHT(); |
| |
| warning = new Warning(); |
| |
| // Parsing the 3digits code |
| this.lexer.match(TokenTypes.ID); |
| Token tok = lexer.getNextToken(); |
| try { |
| int code = Integer.parseInt(tok.getTokenValue()); |
| warning.setCode(code); |
| } catch (NumberFormatException ex) { |
| throw createParseException(ex.getMessage()); |
| } catch (InvalidArgumentException ex) { |
| throw createParseException(ex.getMessage()); |
| } |
| this.lexer.SPorHT(); |
| |
| // Parsing the agent |
| this.lexer.match(TokenTypes.ID); |
| tok = lexer.getNextToken(); |
| |
| // Bug reported by zvali@dev.java.net |
| |
| if (lexer.lookAhead(0) == ':') { |
| this.lexer.match(':'); |
| this.lexer.match(TokenTypes.ID); |
| Token token2 = lexer.getNextToken(); |
| warning.setAgent(tok.getTokenValue() + ":" |
| + token2.getTokenValue()); |
| } else { |
| warning.setAgent(tok.getTokenValue()); |
| } |
| |
| this.lexer.SPorHT(); |
| |
| // Parsing the text |
| text = this.lexer.quotedString(); |
| warning.setText(text); |
| this.lexer.SPorHT(); |
| |
| warningList.add(warning); |
| } |
| |
| } |
| } finally { |
| if (debug) |
| dbg_leave("WarningParser.parse"); |
| } |
| |
| return warningList; |
| } |
| |
| /** |
| * public static void main(String args[]) throws ParseException { String |
| * warning[] = { "Warning: 307 isi.edu \"Session parameter 'foo' not |
| * understood\"\n", "Warning: 301 isi.edu \"Incompatible network address |
| * type 'E.164'\"\n", "Warning: 312 ii.edu \"Soda\", "+ " 351 i.edu \"I |
| * network address 'E.164'\" , 323 ii.edu \"Sodwea\"\n", "Warning: 392 |
| * 192.168.89.71:5060 \"Noisy feedback tells: pid=936 |
| * req_src_ip=192.168.89.20 in_uri=sip:xxx@yyyy.org:5061 |
| * out_uri=sip:xxx@yyyy.org:5061 via_cnt==1\"\n" }; |
| * |
| * for (int i = 0; i < warning.length; i++ ) { WarningParser parser = new |
| * WarningParser(warning[i]); WarningList warningList= (WarningList) |
| * parser.parse(); System.out.println("encoded = " + warningList.encode()); } |
| * } |
| */ |
| |
| } |