1600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/******************************************************************************* 2600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Product of NIST/ITL Advanced Networking Technologies Division (ANTD). * 3600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang*******************************************************************************/ 4600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/* 5600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* This code has been contributed by the author to the public domain. 6600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang*/ 7600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpackage gov.nist.javax.sip.header.extensions; 8600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 9600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport java.text.ParseException; 10600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.header.*; 11600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 12600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport javax.sip.*; 13600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport javax.sip.header.ExtensionHeader; 14600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 15600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/** 16600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * MinSE SIP Header. 17600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 18600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * (Created by modifying Expires.java) 19600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 20600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @version JAIN-SIP-1.1 $Revision: 1.4 $ $Date: 2009/10/18 13:46:36 $ 21600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 22600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @author P. Musgrave <pmusgrave@newheights.com> <br/> 23600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 24600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 25600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpublic class MinSE 26600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang extends ParametersHeader implements ExtensionHeader, MinSEHeader { 27600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 28600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang // TODO: When the MinSEHeader is added to javax - move this there...pmusgrave 29600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public static final String NAME = "Min-SE"; 30600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 31600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 32600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Comment for <code>serialVersionUID</code> 33600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 34600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang private static final long serialVersionUID = 3134344915465784267L; 35600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 36600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** expires field 37600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 38600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public int expires; 39600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 40600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** default constructor 41600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 42600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public MinSE() { 43600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super(NAME); 44600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 45600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 46600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 47600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Return canonical form. 48600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @return String 49600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 50600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public String encodeBody() { 51600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang String retval = Integer.toString(expires); // seems overkill - but Expires did this. 52600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 53600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (!parameters.isEmpty()) { 54600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang retval += SEMICOLON + parameters.encode(); 55600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 56600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return retval; 57600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 58600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 59600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public void setValue(String value) throws ParseException { 60600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang // not implemented. 61600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new ParseException(value,0); 62600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 63600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 64600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 65600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 66600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Gets the expires value of the ExpiresHeader. This expires value is 67600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 68600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * relative time. 69600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 70600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 71600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 72600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @return the expires value of the ExpiresHeader. 73600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 74600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @since JAIN SIP v1.1 75600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 76600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 77600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public int getExpires() { 78600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return expires; 79600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 80600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 81600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 82600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Sets the relative expires value of the ExpiresHeader. 83600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * The expires value MUST be greater than zero and MUST be 84600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * less than 2**31. 85600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 86600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @param expires - the new expires value of this ExpiresHeader 87600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 88600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @throws InvalidArgumentException if supplied value is less than zero. 89600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 90600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @since JAIN SIP v1.2 91600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 92600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 93600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public void setExpires(int expires) throws InvalidArgumentException { 94600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (expires < 0) 95600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang throw new InvalidArgumentException("bad argument " + expires); 96600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.expires = expires; 97600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 98600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang} 99