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*******************************************************************************/
29package gov.nist.javax.sip.header;
30
31import java.util.*;
32import java.text.ParseException;
33import javax.sip.header.*;
34
35/**
36 * List of ALLOW headers. The sip message can have multiple Allow headers
37 *
38 * @author M. Ranganathan  <br/>
39 * @version 1.2 $Revision: 1.7 $ $Date: 2009/07/17 18:57:26 $
40 * @since 1.1
41 *
42 */
43public class AllowList extends SIPHeaderList<Allow> {
44
45
46    /**
47     * Comment for <code>serialVersionUID</code>
48     */
49    private static final long serialVersionUID = -4699795429662562358L;
50
51
52    public Object clone() {
53        AllowList retval = new AllowList();
54        retval.clonehlist(this.hlist);
55        return retval;
56    }
57
58
59    /** default constructor
60     */
61    public AllowList() {
62        super(Allow.class, AllowHeader.NAME);
63    }
64
65    /**
66     * Gets an Iterator of all the methods of the AllowHeader. Returns an empty
67     *
68     * Iterator if no methods are defined in this Allow Header.
69     *
70     *
71     *
72     * @return Iterator of String objects each identifing the methods of
73     *
74     * AllowHeader.
75     *
76     *
77     */
78    public ListIterator<String> getMethods() {
79
80        LinkedList<String> ll = new LinkedList<String> ();
81
82        for ( Iterator<Allow> it = this.hlist.iterator(); it.hasNext();) {
83            Allow a = (Allow)it.next();
84            ll.add(a.getMethod());
85        }
86
87        return ll.listIterator();
88    }
89
90    /**
91     * Sets the methods supported defined by this AllowHeader.
92     *
93     *
94     *
95     * @param methods - the Iterator of Strings defining the methods supported
96     *
97     * in this AllowHeader
98     *
99     * @throws ParseException which signals that an error has been reached
100     *
101     * unexpectedly while parsing the Strings defining the methods supported.
102     *
103     *
104     */
105    public void setMethods(List<String> methods) throws ParseException {
106        ListIterator<String> it = methods.listIterator();
107        while (it.hasNext()) {
108            Allow allow = new Allow();
109            allow.setMethod((String) it.next());
110            this.add(allow);
111        }
112    }
113}
114