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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 * Product of NIST/ITL Advanced Networking Technologies Division (ANTD).        *
     26 *******************************************************************************/
     27 package gov.nist.javax.sip.header;
     28 
     29 import javax.sip.header.*;
     30 import java.text.ParseException;
     31 
     32 /**
     33  * the SIP-If-Match header.
     34  *
     35  * @author Jeroen van Bemmel<br/>
     36  * @version 1.2 $Revision: 1.3 $ $Date: 2009/07/17 18:57:38 $
     37  * @since 1.2
     38  */
     39 public class SIPIfMatch extends SIPHeader implements SIPIfMatchHeader,ExtensionHeader {
     40 
     41     /**
     42      * unique serial id
     43      */
     44     private static final long serialVersionUID = 3833745477828359730L;
     45 
     46     /**
     47      * entity tag field
     48      */
     49     protected String entityTag;
     50 
     51     /** Default constructor
     52      */
     53     public SIPIfMatch() {
     54         super(NAME);
     55     }
     56 
     57     public SIPIfMatch(String etag) throws ParseException {
     58         this();
     59         this.setETag( etag );
     60     }
     61 
     62     /**
     63      * Encode into canonical form.
     64      * @return String
     65      */
     66     public String encodeBody() {
     67         return entityTag;
     68     }
     69 
     70     /**
     71      * get the priority value.
     72      * @return String
     73      */
     74     public String getETag() {
     75         return entityTag;
     76     }
     77 
     78     /**
     79      * Set the priority member
     80      * @param etag -- the entity tag to set.
     81      */
     82     public void setETag(String etag) throws ParseException {
     83         if (etag == null)
     84             throw new NullPointerException(
     85                 "JAIN-SIP Exception,"
     86                     + "SIP-If-Match, setETag(), the etag parameter is null");
     87         this.entityTag = etag;
     88     }
     89 
     90     /**
     91      * For v 1.1 backwards compatibility.
     92      * @see javax.sip.header.ExtensionHeader#setValue(java.lang.String)
     93      */
     94     public void setValue(String value) throws ParseException {
     95         this.setETag(value);
     96 
     97 
     98     }
     99 }
    100