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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 package gov.nist.javax.sip.header;
     30 
     31 import java.text.ParseException;
     32 import javax.sip.header.*;
     33 
     34 /**
     35  * Supported SIP Header.
     36  *
     37  * @version 1.2 $Revision: 1.5 $ $Date: 2009/07/17 18:57:39 $
     38  *
     39  * @author M. Ranganathan   <br/>
     40  * @author Olivier Deruelle <br/>
     41  *
     42  *
     43  *
     44  */
     45 public class Supported extends SIPHeader implements SupportedHeader {
     46 
     47     /**
     48      * Comment for <code>serialVersionUID</code>
     49      */
     50     private static final long serialVersionUID = -7679667592702854542L;
     51     /* the Option field
     52      */
     53     protected String optionTag;
     54 
     55     /**
     56      * default constructor
     57      */
     58     public Supported() {
     59         super(SIPHeaderNames.SUPPORTED);
     60         optionTag = null;
     61     }
     62 
     63     /**
     64      * Constructor
     65      * @param option_tag String to set
     66      */
     67     public Supported(String option_tag) {
     68         super(SIPHeaderNames.SUPPORTED);
     69         optionTag = option_tag;
     70     }
     71 
     72     /**
     73      * Return canonical form of the header.
     74      * @return encoded header.
     75      */
     76     public String encode() {
     77         String retval = headerName + COLON;
     78         if (optionTag != null)
     79             retval += SP + optionTag;
     80         retval += NEWLINE;
     81         return retval;
     82     }
     83 
     84     /**
     85      * Just the encoded body of the header.
     86      * @return the string encoded header body.
     87      */
     88     public String encodeBody() {
     89         return optionTag != null ? optionTag : "";
     90     }
     91 
     92     /**
     93      * Sets the option tag value to the new supplied <var>optionTag</var>
     94      * parameter.
     95      *
     96      * @param optionTag - the new string value of the option tag.
     97      * @throws ParseException which signals that an error has been reached
     98      * unexpectedly while parsing the optionTag value.
     99      */
    100     public void setOptionTag(String optionTag) throws ParseException {
    101         if (optionTag == null)
    102             throw new NullPointerException(
    103                 "JAIN-SIP Exception, Supported, "
    104                     + "setOptionTag(), the optionTag parameter is null");
    105         this.optionTag = optionTag;
    106     }
    107 
    108     /**
    109      * Gets the option tag of this OptionTag class.
    110      *
    111      * @return the string that identifies the option tag value.
    112      */
    113     public String getOptionTag() {
    114         return optionTag;
    115     }
    116 }
    117 /*
    118  * $Log: Supported.java,v $
    119  * Revision 1.5  2009/07/17 18:57:39  emcho
    120  * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
    121  *
    122  * Revision 1.4  2006/07/13 09:01:27  mranga
    123  * Issue number:
    124  * Obtained from:
    125  * Submitted by:  jeroen van bemmel
    126  * Reviewed by:   mranga
    127  * Moved some changes from jain-sip-1.2 to java.net
    128  *
    129  * CVS: ----------------------------------------------------------------------
    130  * CVS: Issue number:
    131  * CVS:   If this change addresses one or more issues,
    132  * CVS:   then enter the issue number(s) here.
    133  * CVS: Obtained from:
    134  * CVS:   If this change has been taken from another system,
    135  * CVS:   then name the system in this line, otherwise delete it.
    136  * CVS: Submitted by:
    137  * CVS:   If this code has been contributed to the project by someone else; i.e.,
    138  * CVS:   they sent us a patch or a set of diffs, then include their name/email
    139  * CVS:   address here. If this is your work then delete this line.
    140  * CVS: Reviewed by:
    141  * CVS:   If we are doing pre-commit code reviews and someone else has
    142  * CVS:   reviewed your changes, include their name(s) here.
    143  * CVS:   If you have not had it reviewed then delete this line.
    144  *
    145  * Revision 1.3  2006/06/19 06:47:27  mranga
    146  * javadoc fixups
    147  *
    148  * Revision 1.2  2006/06/16 15:26:28  mranga
    149  * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
    150  *
    151  * Revision 1.1.1.1  2005/10/04 17:12:35  mranga
    152  *
    153  * Import
    154  *
    155  *
    156  * Revision 1.2  2004/01/22 13:26:30  sverker
    157  * Issue number:
    158  * Obtained from:
    159  * Submitted by:  sverker
    160  * Reviewed by:   mranga
    161  *
    162  * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
    163  *
    164  * CVS: ----------------------------------------------------------------------
    165  * CVS: Issue number:
    166  * CVS:   If this change addresses one or more issues,
    167  * CVS:   then enter the issue number(s) here.
    168  * CVS: Obtained from:
    169  * CVS:   If this change has been taken from another system,
    170  * CVS:   then name the system in this line, otherwise delete it.
    171  * CVS: Submitted by:
    172  * CVS:   If this code has been contributed to the project by someone else; i.e.,
    173  * CVS:   they sent us a patch or a set of diffs, then include their name/email
    174  * CVS:   address here. If this is your work then delete this line.
    175  * CVS: Reviewed by:
    176  * CVS:   If we are doing pre-commit code reviews and someone else has
    177  * CVS:   reviewed your changes, include their name(s) here.
    178  * CVS:   If you have not had it reviewed then delete this line.
    179  *
    180  */
    181