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
30package gov.nist.javax.sip.header;
31
32import java.text.ParseException;
33import javax.sip.header.*;
34import 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 */
47public 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