1600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/* 2600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Conditions Of Use 3600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 4600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* This software was developed by employees of the National Institute of 5600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Standards and Technology (NIST), an agency of the Federal Government. 6600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Pursuant to title 15 Untied States Code Section 105, works of NIST 7600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* employees are not subject to copyright protection in the United States 8600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* and are considered to be in the public domain. As a result, a formal 9600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* license is not needed to use the software. 10600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 11600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* This software is provided by NIST as a service and is expressly 12600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED 13600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF 14600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT 15600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* AND DATA ACCURACY. NIST does not warrant or make any representations 16600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* regarding the use of the software or the results thereof, including but 17600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* not limited to the correctness, accuracy, reliability or usefulness of 18600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* the software. 19600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 20600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* Permission to use this software is contingent upon your acceptance 21600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* of the terms of this agreement 22600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 23600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* . 24600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang* 25600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang*/ 26600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/******************************************************************************* 27600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Product of NIST/ITL Advanced Networking Technologies Division (ANTD). * 28600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang ******************************************************************************/ 29600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpackage gov.nist.javax.sip.header; 30600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 31600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.core.HostPort; 32600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.address.AddressImpl; 33600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.parser.Parser; 34600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 35600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport javax.sip.header.FromHeader; 36600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport java.text.ParseException; 37600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 38600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/** 39600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * From SIP Header. 40600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 41600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @version 1.2 $Revision: 1.9 $ $Date: 2009/07/17 18:57:31 $ 42600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @since 1.1 43600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 44600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @author M. Ranganathan <br/> 45600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 46600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 47600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 48600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangpublic final class From 49600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang extends AddressParametersHeader 50600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang implements javax.sip.header.FromHeader { 51600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 52600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 53600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Comment for <code>serialVersionUID</code> 54600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 55600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang private static final long serialVersionUID = -6312727234330643892L; 56600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 57600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** Default constructor 58600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 59600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public From() { 60600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super(NAME); 61600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 62600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 63600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** Generate a FROM header from a TO header 64600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 65600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public From(To to) { 66600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang super(NAME); 67600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang address = to.address; 68600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang parameters = to.parameters; 69600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 70600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 71600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 72600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Encode the header content into a String. 73600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 74600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @return String 75600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 76600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang protected String encodeBody() { 77600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return encodeBody(new StringBuffer()).toString(); 78600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 79600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 80600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang protected StringBuffer encodeBody(StringBuffer buffer) { 81600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (address.getAddressType() == AddressImpl.ADDRESS_SPEC) { 82600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang buffer.append(LESS_THAN); 83600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 84600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang address.encode(buffer); 85600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (address.getAddressType() == AddressImpl.ADDRESS_SPEC) { 86600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang buffer.append(GREATER_THAN); 87600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 88600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (!parameters.isEmpty()) { 89600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang buffer.append(SEMICOLON); 90600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang parameters.encode(buffer); 91600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 92600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return buffer; 93600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 94600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 95600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 96600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Conveniance accessor function to get the hostPort field from the address. 97600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Warning -- this assumes that the embedded URI is a SipURL. 98600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 99600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @return hostport field 100600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 101600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public HostPort getHostPort() { 102600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return address.getHostPort(); 103600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 104600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 105600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 106600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Get the display name from the address. 107600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @return Display name 108600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 109600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public String getDisplayName() { 110600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return address.getDisplayName(); 111600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 112600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 113600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 114600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Get the tag parameter from the address parm list. 115600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @return tag field 116600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 117600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public String getTag() { 118600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (parameters == null) 119600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return null; 120600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return getParameter(ParameterNames.TAG); 121600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 122600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 123600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** Boolean function 124600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @return true if the Tag exist 125600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 126600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public boolean hasTag() { 127600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return hasParameter(ParameterNames.TAG); 128600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 129600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 130600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** remove Tag member 131600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 132600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public void removeTag() { 133600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang parameters.delete(ParameterNames.TAG); 134600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 135600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 136600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 137600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Set the address member 138600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @param address Address to set 139600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 140600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public void setAddress(javax.sip.address.Address address) { 141600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.address = (AddressImpl) address; 142600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 143600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 144600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 145600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Set the tag member 146600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @param t tag to set. From tags are mandatory. 147600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 148600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public void setTag(String t) throws ParseException { 149600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang // JvB: check that it is a valid token 150600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang Parser.checkToken(t); 151600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang this.setParameter(ParameterNames.TAG, t); 152600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 153600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 154600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** Get the user@host port string. 155600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 156600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public String getUserAtHostPort() { 157600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return address.getUserAtHostPort(); 158600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 159600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 160600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang public boolean equals(Object other) { 161600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return (other instanceof FromHeader) && super.equals(other); 162600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 163600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 164600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang} 165