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.text.ParseException; 32 import javax.sip.header.*; 33 34 /** 35 * Supported SIP Header. 36 * 37 * @version 1.2 $Revision: 1.5 $ $Date: 2009/07/17 18:57:39 $ 38 * 39 * @author M. Ranganathan <br/> 40 * @author Olivier Deruelle <br/> 41 * 42 * 43 * 44 */ 45 public class Supported extends SIPHeader implements SupportedHeader { 46 47 /** 48 * Comment for <code>serialVersionUID</code> 49 */ 50 private static final long serialVersionUID = -7679667592702854542L; 51 /* the Option field 52 */ 53 protected String optionTag; 54 55 /** 56 * default constructor 57 */ Supported()58 public Supported() { 59 super(SIPHeaderNames.SUPPORTED); 60 optionTag = null; 61 } 62 63 /** 64 * Constructor 65 * @param option_tag String to set 66 */ Supported(String option_tag)67 public Supported(String option_tag) { 68 super(SIPHeaderNames.SUPPORTED); 69 optionTag = option_tag; 70 } 71 72 /** 73 * Return canonical form of the header. 74 * @return encoded header. 75 */ encode()76 public String encode() { 77 String retval = headerName + COLON; 78 if (optionTag != null) 79 retval += SP + optionTag; 80 retval += NEWLINE; 81 return retval; 82 } 83 84 /** 85 * Just the encoded body of the header. 86 * @return the string encoded header body. 87 */ encodeBody()88 public String encodeBody() { 89 return optionTag != null ? optionTag : ""; 90 } 91 92 /** 93 * Sets the option tag value to the new supplied <var>optionTag</var> 94 * parameter. 95 * 96 * @param optionTag - the new string value of the option tag. 97 * @throws ParseException which signals that an error has been reached 98 * unexpectedly while parsing the optionTag value. 99 */ setOptionTag(String optionTag)100 public void setOptionTag(String optionTag) throws ParseException { 101 if (optionTag == null) 102 throw new NullPointerException( 103 "JAIN-SIP Exception, Supported, " 104 + "setOptionTag(), the optionTag parameter is null"); 105 this.optionTag = optionTag; 106 } 107 108 /** 109 * Gets the option tag of this OptionTag class. 110 * 111 * @return the string that identifies the option tag value. 112 */ getOptionTag()113 public String getOptionTag() { 114 return optionTag; 115 } 116 } 117 /* 118 * $Log: Supported.java,v $ 119 * Revision 1.5 2009/07/17 18:57:39 emcho 120 * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project. 121 * 122 * Revision 1.4 2006/07/13 09:01:27 mranga 123 * Issue number: 124 * Obtained from: 125 * Submitted by: jeroen van bemmel 126 * Reviewed by: mranga 127 * Moved some changes from jain-sip-1.2 to java.net 128 * 129 * CVS: ---------------------------------------------------------------------- 130 * CVS: Issue number: 131 * CVS: If this change addresses one or more issues, 132 * CVS: then enter the issue number(s) here. 133 * CVS: Obtained from: 134 * CVS: If this change has been taken from another system, 135 * CVS: then name the system in this line, otherwise delete it. 136 * CVS: Submitted by: 137 * CVS: If this code has been contributed to the project by someone else; i.e., 138 * CVS: they sent us a patch or a set of diffs, then include their name/email 139 * CVS: address here. If this is your work then delete this line. 140 * CVS: Reviewed by: 141 * CVS: If we are doing pre-commit code reviews and someone else has 142 * CVS: reviewed your changes, include their name(s) here. 143 * CVS: If you have not had it reviewed then delete this line. 144 * 145 * Revision 1.3 2006/06/19 06:47:27 mranga 146 * javadoc fixups 147 * 148 * Revision 1.2 2006/06/16 15:26:28 mranga 149 * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak 150 * 151 * Revision 1.1.1.1 2005/10/04 17:12:35 mranga 152 * 153 * Import 154 * 155 * 156 * Revision 1.2 2004/01/22 13:26:30 sverker 157 * Issue number: 158 * Obtained from: 159 * Submitted by: sverker 160 * Reviewed by: mranga 161 * 162 * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags. 163 * 164 * CVS: ---------------------------------------------------------------------- 165 * CVS: Issue number: 166 * CVS: If this change addresses one or more issues, 167 * CVS: then enter the issue number(s) here. 168 * CVS: Obtained from: 169 * CVS: If this change has been taken from another system, 170 * CVS: then name the system in this line, otherwise delete it. 171 * CVS: Submitted by: 172 * CVS: If this code has been contributed to the project by someone else; i.e., 173 * CVS: they sent us a patch or a set of diffs, then include their name/email 174 * CVS: address here. If this is your work then delete this line. 175 * CVS: Reviewed by: 176 * CVS: If we are doing pre-commit code reviews and someone else has 177 * CVS: reviewed your changes, include their name(s) here. 178 * CVS: If you have not had it reviewed then delete this line. 179 * 180 */ 181