86 lines
2.8 KiB
Java
86 lines
2.8 KiB
Java
/*
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* Conditions Of Use
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*
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* This software was developed by employees of the National Institute of
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* Standards and Technology (NIST), an agency of the Federal Government.
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* Pursuant to title 15 Untied States Code Section 105, works of NIST
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* employees are not subject to copyright protection in the United States
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* and are considered to be in the public domain. As a result, a formal
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* license is not needed to use the software.
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*
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* This software is provided by NIST as a service and is expressly
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* provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
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* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
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* AND DATA ACCURACY. NIST does not warrant or make any representations
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* regarding the use of the software or the results thereof, including but
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* not limited to the correctness, accuracy, reliability or usefulness of
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* the software.
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*
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* Permission to use this software is contingent upon your acceptance
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* of the terms of this agreement.
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*
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*/
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package gov.nist.javax.sip.parser;
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import gov.nist.javax.sip.address.AddressImpl;
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import gov.nist.javax.sip.address.SipUri;
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import gov.nist.javax.sip.header.Contact;
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import gov.nist.javax.sip.header.ContactList;
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import gov.nist.javax.sip.header.SIPHeader;
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import javax.sip.address.URI;
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import java.text.ParseException;
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import java.util.HashSet;
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import java.util.Iterator;
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/**
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* A parser for The SIP contact header.
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*
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* @version 1.2 $Revision: 1.13 $ $Date: 2009/10/22 10:27:37 $
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* @since 1.1
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*/
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public class ContactParser extends AddressParametersParser {
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public ContactParser(String contact) {
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super(contact);
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}
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protected ContactParser(Lexer lexer) {
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super(lexer);
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this.lexer = lexer;
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}
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public SIPHeader parse() throws ParseException {
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// past the header name and the colon.
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headerName(TokenTypes.CONTACT);
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ContactList retval = new ContactList();
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while (true) {
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Contact contact = new Contact();
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if (lexer.lookAhead(0) == '*') {
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final char next = lexer.lookAhead(1);
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if (next == ' ' || next == '\t' || next == '\r' || next == '\n') {
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this.lexer.match('*');
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contact.setWildCardFlag(true);
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} else {
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super.parse(contact);
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}
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} else {
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super.parse(contact);
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}
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retval.add(contact);
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this.lexer.SPorHT();
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char la = lexer.lookAhead(0);
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if (la == ',') {
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this.lexer.match(',');
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this.lexer.SPorHT();
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} else if (la == '\n' || la == '\0')
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break;
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else
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throw createParseException("unexpected char");
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}
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return retval;
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}
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}
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