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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 gov.nist.javax.sip.address.*;
     32 
     33 /**
     34  * The Request-Route header is added to a request by any proxy that insists on
     35  * being in the path of subsequent requests for the same call leg.
     36  *
     37  *@version 1.2 $Revision: 1.6 $ $Date: 2009/07/17 18:57:35 $
     38  *
     39  *@author M. Ranganathan   <br/>
     40  *
     41  *
     42  *
     43  */
     44 public class RecordRoute
     45     extends AddressParametersHeader
     46     implements javax.sip.header.RecordRouteHeader {
     47 
     48     /**
     49      * Comment for <code>serialVersionUID</code>
     50      */
     51     private static final long serialVersionUID = 2388023364181727205L;
     52 
     53     /**
     54      * constructor
     55      * @param address address to set
     56      */
     57     public RecordRoute(AddressImpl address) {
     58         super(NAME);
     59         this.address = address;
     60     }
     61 
     62     /**
     63      * default constructor
     64      */
     65     public RecordRoute() {
     66         super(RECORD_ROUTE);
     67 
     68     }
     69 
     70     /** Encode into canonical form.
     71      *@return String containing the canonicaly encoded header.
     72      */
     73     public String encodeBody() {
     74         return encodeBody(new StringBuffer()).toString();
     75     }
     76 
     77     protected StringBuffer encodeBody(StringBuffer buffer) {
     78         if (address.getAddressType() == AddressImpl.ADDRESS_SPEC) {
     79             buffer.append(LESS_THAN);
     80         }
     81         address.encode(buffer);
     82         if (address.getAddressType() == AddressImpl.ADDRESS_SPEC) {
     83             buffer.append(GREATER_THAN);
     84         }
     85 
     86         if (!parameters.isEmpty()) {
     87             buffer.append(SEMICOLON);
     88             this.parameters.encode(buffer);
     89         }
     90         return buffer;
     91     }
     92 }
     93