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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.util.*;
     32 import java.text.ParseException;
     33 import 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  */
     43 public 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