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.AddressImpl;
32 
33 import javax.sip.header.RouteHeader;
34 
35 /**
36  * Route  SIPHeader Object
37  *
38  * @version 1.2 $Revision: 1.6 $ $Date: 2009/07/17 18:57:36 $
39  *
40  * @author M. Ranganathan   <br/>
41  *
42  *
43  */
44 public class Route
45     extends AddressParametersHeader
46     implements javax.sip.header.RouteHeader {
47 
48     /**
49      * Comment for <code>serialVersionUID</code>
50      */
51     private static final long serialVersionUID = 5683577362998368846L;
52 
53     /** Default constructor
54      */
Route()55     public Route() {
56         super(NAME);
57     }
58 
59     /** Default constructor given an address.
60      *
61      *@param address -- address of this header.
62      *
63      */
64 
Route(AddressImpl address)65     public Route(AddressImpl address) {
66         super(NAME);
67         this.address = address;
68     }
69 
70     /**
71      * Hashcode so this header can be inserted into a set.
72      *
73      *@return the hashcode of the encoded address.
74      */
hashCode()75     public int hashCode() {
76         return this.address.getHostPort().encode().toLowerCase().hashCode();
77     }
78 
79     /**
80      * Encode into canonical form.
81      * Acknowledgement: contains a bug fix for a bug reported by
82      * Laurent Schwizer
83      *
84      *@return a canonical encoding of the header.
85      */
encodeBody()86     public String encodeBody() {
87         return encodeBody(new StringBuffer()).toString();
88     }
89 
encodeBody(StringBuffer buffer)90     protected StringBuffer encodeBody(StringBuffer buffer) {
91         boolean addrFlag = address.getAddressType() == AddressImpl.NAME_ADDR;
92         if (!addrFlag) {
93             buffer.append('<');
94             address.encode(buffer);
95             buffer.append('>');
96         } else {
97             address.encode(buffer);
98         }
99         if (!parameters.isEmpty()) {
100             buffer.append(SEMICOLON);
101             parameters.encode(buffer);
102         }
103         return buffer;
104     }
105 
equals(Object other)106     public boolean equals(Object other) {
107         return (other instanceof RouteHeader) && super.equals(other);
108     }
109 
110 }
111 
112