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*******************************************************************************/
27package gov.nist.javax.sip.header;
28
29import javax.sip.header.*;
30import 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 */
39public 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