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.message; 30600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 31600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.header.*; 32600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport gov.nist.javax.sip.header.ims.*; 33600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangimport java.util.Hashtable; 34600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 35600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang/** 36600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * A map of which of the standard headers may appear as a list 37600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * 38600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @version 1.2 $Revision: 1.14 $ $Date: 2009/07/17 18:57:53 $ 39600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * @since 1.1 40600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 41600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wangclass ListMap { 42600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang // A table that indicates whether a header has a list representation or 43600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang // not (to catch adding of the non-list form when a list exists.) 44600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang // Entries in this table allow you to look up the list form of a header 45600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang // (provided it has a list form). Note that under JAVA-5 we have 46600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang // typed collections which would render such a list obsolete. However, 47600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang // we are not using java 5. 48600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang private static Hashtable<Class<?>,Class<?>> headerListTable; 49600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 50600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang private static boolean initialized; 51600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang static { 52600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang initializeListMap(); 53600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 54600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 55600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang static private void initializeListMap() { 56600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /* 57600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Build a table mapping between objects that have a list form and the 58600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * class of such objects. 59600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 60600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable = new Hashtable<Class<?>, Class<?>>(); 61600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(ExtensionHeaderImpl.class, ExtensionHeaderList.class); 62600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 63600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(Contact.class, ContactList.class); 64600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 65600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(ContentEncoding.class, ContentEncodingList.class); 66600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 67600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(Via.class, ViaList.class); 68600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 69600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(WWWAuthenticate.class, WWWAuthenticateList.class); 70600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 71600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(Accept.class, AcceptList.class); 72600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 73600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(AcceptEncoding.class, AcceptEncodingList.class); 74600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 75600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(AcceptLanguage.class, AcceptLanguageList.class); 76600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 77600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(ProxyRequire.class, ProxyRequireList.class); 78600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 79600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(Route.class, RouteList.class); 80600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 81600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(Require.class, RequireList.class); 82600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 83600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(Warning.class, WarningList.class); 84600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 85600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(Unsupported.class, UnsupportedList.class); 86600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 87600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(AlertInfo.class, AlertInfoList.class); 88600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 89600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(CallInfo.class, CallInfoList.class); 90600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 91600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(ProxyAuthenticate.class,ProxyAuthenticateList.class); 92600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 93600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(ProxyAuthorization.class, ProxyAuthorizationList.class); 94600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 95600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(Authorization.class, AuthorizationList.class); 96600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 97600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(Allow.class, AllowList.class); 98600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 99600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(RecordRoute.class, RecordRouteList.class); 100600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 101600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(ContentLanguage.class, ContentLanguageList.class); 102600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 103600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(ErrorInfo.class, ErrorInfoList.class); 104600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 105600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(Supported.class, SupportedList.class); 106600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 107600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(InReplyTo.class,InReplyToList.class); 108600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 109600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang // IMS headers. 110600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 111600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(PAssociatedURI.class, PAssociatedURIList.class); 112600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 113600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(PMediaAuthorization.class, PMediaAuthorizationList.class); 114600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 115600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(Path.class, PathList.class); 116600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 117600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(Privacy.class,PrivacyList.class); 118600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 119600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(ServiceRoute.class, ServiceRouteList.class); 120600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 121600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(PVisitedNetworkID.class, PVisitedNetworkIDList.class); 122600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 123600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(SecurityClient.class, SecurityClientList.class); 124600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 125600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(SecurityServer.class, SecurityServerList.class); 126600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 127600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(SecurityVerify.class, SecurityVerifyList.class); 128600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 129600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang headerListTable.put(PAssertedIdentity.class, PAssertedIdentityList.class); 130600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 131600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang initialized = true; 132600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 133600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 134600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 135600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 136600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * return true if this has an associated list object. 137600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 138600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang static protected boolean hasList(SIPHeader sipHeader) { 139600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (sipHeader instanceof SIPHeaderList) 140600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return false; 141600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang else { 142600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang Class<?> headerClass = sipHeader.getClass(); 143600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return headerListTable.get(headerClass) != null; 144600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 145600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 146600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 147600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 148600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Return true if this has an associated list object. 149600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 150600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang static protected boolean hasList(Class<?> sipHdrClass) { 151600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (!initialized) 152600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang initializeListMap(); 153600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return headerListTable.get(sipHdrClass) != null; 154600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 155600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 156600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 157600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Get the associated list class. 158600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 159600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang static protected Class<?> getListClass(Class<?> sipHdrClass) { 160600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (!initialized) 161600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang initializeListMap(); 162600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return (Class<?>) headerListTable.get(sipHdrClass); 163600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 164600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 165600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang /** 166600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang * Return a list object for this header if it has an associated list object. 167600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang */ 168600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang @SuppressWarnings("unchecked") 169600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang static protected SIPHeaderList<SIPHeader> getList(SIPHeader sipHeader) { 170600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang if (!initialized) 171600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang initializeListMap(); 172600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang try { 173600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang Class<?> headerClass = sipHeader.getClass(); 174600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang Class<?> listClass = headerListTable.get(headerClass); 175600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang SIPHeaderList<SIPHeader> shl = (SIPHeaderList<SIPHeader>) listClass.newInstance(); 176600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang shl.setHeaderName(sipHeader.getName()); 177600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return shl; 178600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } catch (InstantiationException ex) { 179600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang ex.printStackTrace(); 180600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } catch (IllegalAccessException ex) { 181600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang ex.printStackTrace(); 182600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 183600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang return null; 184600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang } 185600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 186600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang} 187600c7a4bbc7348167293eac928192e695b4ad5baChung-yih Wang 188