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      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 /*******************************************************************************
     27  * Product of NIST/ITL Advanced Networking Technologies Division (ANTD).        *
     28  *******************************************************************************/
     29 
     30 package gov.nist.javax.sip.header;
     31 
     32 import java.text.ParseException;
     33 import javax.sip.header.*;
     34 import java.util.*;
     35 
     36 /**
     37  * Supported SIP Header.
     38  *
     39  * @version 1.2 $Revision: 1.5 $ $Date: 2009/07/17 18:57:38 $
     40  *
     41  * @author M. Ranganathan   <br/>
     42  * @author Olivier Deruelle <br/>
     43  *
     44  *
     45  *
     46  */
     47 public class Server extends SIPHeader implements ServerHeader {
     48 
     49     /**
     50      * Comment for <code>serialVersionUID</code>
     51      */
     52     private static final long serialVersionUID = -3587764149383342973L;
     53     /** Product tokens.
     54     */
     55     protected List productTokens;
     56 
     57     /**
     58      * Return canonical form.
     59      * @return String
     60      */
     61     private String encodeProduct() {
     62         StringBuffer tokens = new StringBuffer();
     63         ListIterator it = productTokens.listIterator();
     64 
     65         while (it.hasNext()) {
     66             tokens.append((String) it.next());
     67             if (it.hasNext())
     68                 tokens.append('/');
     69             else
     70                 break;
     71         }
     72         return tokens.toString();
     73     }
     74 
     75     /** set the productToken field
     76      * @param pt String to set
     77      */
     78     public void addProductToken(String pt) {
     79         productTokens.add(pt);
     80     }
     81 
     82     /**
     83      * Constructor.
     84      */
     85     public Server() {
     86         super(NAME);
     87         productTokens = new LinkedList();
     88     }
     89 
     90     /** Encode only the body of this header.
     91     *@return encoded value of the header.
     92     */
     93     public String encodeBody() {
     94         return encodeProduct();
     95     }
     96 
     97     /**
     98     * Returns the list value of the product parameter.
     99     *
    100     * @return the software of this UserAgentHeader
    101     */
    102     public ListIterator getProduct() {
    103         if (productTokens == null || productTokens.isEmpty())
    104             return null;
    105         else
    106             return productTokens.listIterator();
    107     }
    108 
    109     /**
    110      * Sets the product value of the UserAgentHeader.
    111      *
    112      * @param product - a List specifying the product value
    113      * @throws ParseException which signals that an error has been reached
    114      * unexpectedly while parsing the product value.
    115      */
    116     public void setProduct(List product) throws ParseException {
    117         if (product == null)
    118             throw new NullPointerException(
    119                 "JAIN-SIP Exception, UserAgent, "
    120                     + "setProduct(), the "
    121                     + " product parameter is null");
    122         productTokens = product;
    123     }
    124 }
    125 /*
    126  * $Log: Server.java,v $
    127  * Revision 1.5  2009/07/17 18:57:38  emcho
    128  * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
    129  *
    130  * Revision 1.4  2006/07/13 09:01:04  mranga
    131  * Issue number:
    132  * Obtained from:
    133  * Submitted by:  jeroen van bemmel
    134  * Reviewed by:   mranga
    135  * Moved some changes from jain-sip-1.2 to java.net
    136  *
    137  * CVS: ----------------------------------------------------------------------
    138  * CVS: Issue number:
    139  * CVS:   If this change addresses one or more issues,
    140  * CVS:   then enter the issue number(s) here.
    141  * CVS: Obtained from:
    142  * CVS:   If this change has been taken from another system,
    143  * CVS:   then name the system in this line, otherwise delete it.
    144  * CVS: Submitted by:
    145  * CVS:   If this code has been contributed to the project by someone else; i.e.,
    146  * CVS:   they sent us a patch or a set of diffs, then include their name/email
    147  * CVS:   address here. If this is your work then delete this line.
    148  * CVS: Reviewed by:
    149  * CVS:   If we are doing pre-commit code reviews and someone else has
    150  * CVS:   reviewed your changes, include their name(s) here.
    151  * CVS:   If you have not had it reviewed then delete this line.
    152  *
    153  * Revision 1.3  2006/06/19 06:47:27  mranga
    154  * javadoc fixups
    155  *
    156  * Revision 1.2  2006/06/16 15:26:28  mranga
    157  * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
    158  *
    159  * Revision 1.1.1.1  2005/10/04 17:12:35  mranga
    160  *
    161  * Import
    162  *
    163  *
    164  * Revision 1.2  2004/01/22 13:26:29  sverker
    165  * Issue number:
    166  * Obtained from:
    167  * Submitted by:  sverker
    168  * Reviewed by:   mranga
    169  *
    170  * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
    171  *
    172  * CVS: ----------------------------------------------------------------------
    173  * CVS: Issue number:
    174  * CVS:   If this change addresses one or more issues,
    175  * CVS:   then enter the issue number(s) here.
    176  * CVS: Obtained from:
    177  * CVS:   If this change has been taken from another system,
    178  * CVS:   then name the system in this line, otherwise delete it.
    179  * CVS: Submitted by:
    180  * CVS:   If this code has been contributed to the project by someone else; i.e.,
    181  * CVS:   they sent us a patch or a set of diffs, then include their name/email
    182  * CVS:   address here. If this is your work then delete this line.
    183  * CVS: Reviewed by:
    184  * CVS:   If we are doing pre-commit code reviews and someone else has
    185  * CVS:   reviewed your changes, include their name(s) here.
    186  * CVS:   If you have not had it reviewed then delete this line.
    187  *
    188  */
    189