| /* |
| * Conditions Of Use |
| * |
| * This software was developed by employees of the National Institute of |
| * Standards and Technology (NIST), an agency of the Federal Government. |
| * Pursuant to title 15 Untied States Code Section 105, works of NIST |
| * employees are not subject to copyright protection in the United States |
| * and are considered to be in the public domain. As a result, a formal |
| * license is not needed to use the software. |
| * |
| * This software is provided by NIST as a service and is expressly |
| * provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED |
| * OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT |
| * AND DATA ACCURACY. NIST does not warrant or make any representations |
| * regarding the use of the software or the results thereof, including but |
| * not limited to the correctness, accuracy, reliability or usefulness of |
| * the software. |
| * |
| * Permission to use this software is contingent upon your acceptance |
| * of the terms of this agreement |
| * |
| * . |
| * |
| */ |
| /******************************************************************************* |
| * Product of NIST/ITL Advanced Networking Technologies Division (ANTD) * |
| *******************************************************************************/ |
| package gov.nist.javax.sip.message; |
| |
| import gov.nist.javax.sip.header.*; |
| import gov.nist.javax.sip.header.ims.*; |
| import java.util.Hashtable; |
| |
| /** |
| * A map of which of the standard headers may appear as a list |
| * |
| * @version 1.2 $Revision: 1.14 $ $Date: 2009/07/17 18:57:53 $ |
| * @since 1.1 |
| */ |
| class ListMap { |
| // A table that indicates whether a header has a list representation or |
| // not (to catch adding of the non-list form when a list exists.) |
| // Entries in this table allow you to look up the list form of a header |
| // (provided it has a list form). Note that under JAVA-5 we have |
| // typed collections which would render such a list obsolete. However, |
| // we are not using java 5. |
| private static Hashtable<Class<?>,Class<?>> headerListTable; |
| |
| private static boolean initialized; |
| static { |
| initializeListMap(); |
| } |
| |
| static private void initializeListMap() { |
| /* |
| * Build a table mapping between objects that have a list form and the |
| * class of such objects. |
| */ |
| headerListTable = new Hashtable<Class<?>, Class<?>>(); |
| headerListTable.put(ExtensionHeaderImpl.class, ExtensionHeaderList.class); |
| |
| headerListTable.put(Contact.class, ContactList.class); |
| |
| headerListTable.put(ContentEncoding.class, ContentEncodingList.class); |
| |
| headerListTable.put(Via.class, ViaList.class); |
| |
| headerListTable.put(WWWAuthenticate.class, WWWAuthenticateList.class); |
| |
| headerListTable.put(Accept.class, AcceptList.class); |
| |
| headerListTable.put(AcceptEncoding.class, AcceptEncodingList.class); |
| |
| headerListTable.put(AcceptLanguage.class, AcceptLanguageList.class); |
| |
| headerListTable.put(ProxyRequire.class, ProxyRequireList.class); |
| |
| headerListTable.put(Route.class, RouteList.class); |
| |
| headerListTable.put(Require.class, RequireList.class); |
| |
| headerListTable.put(Warning.class, WarningList.class); |
| |
| headerListTable.put(Unsupported.class, UnsupportedList.class); |
| |
| headerListTable.put(AlertInfo.class, AlertInfoList.class); |
| |
| headerListTable.put(CallInfo.class, CallInfoList.class); |
| |
| headerListTable.put(ProxyAuthenticate.class,ProxyAuthenticateList.class); |
| |
| headerListTable.put(ProxyAuthorization.class, ProxyAuthorizationList.class); |
| |
| headerListTable.put(Authorization.class, AuthorizationList.class); |
| |
| headerListTable.put(Allow.class, AllowList.class); |
| |
| headerListTable.put(RecordRoute.class, RecordRouteList.class); |
| |
| headerListTable.put(ContentLanguage.class, ContentLanguageList.class); |
| |
| headerListTable.put(ErrorInfo.class, ErrorInfoList.class); |
| |
| headerListTable.put(Supported.class, SupportedList.class); |
| |
| headerListTable.put(InReplyTo.class,InReplyToList.class); |
| |
| // IMS headers. |
| |
| headerListTable.put(PAssociatedURI.class, PAssociatedURIList.class); |
| |
| headerListTable.put(PMediaAuthorization.class, PMediaAuthorizationList.class); |
| |
| headerListTable.put(Path.class, PathList.class); |
| |
| headerListTable.put(Privacy.class,PrivacyList.class); |
| |
| headerListTable.put(ServiceRoute.class, ServiceRouteList.class); |
| |
| headerListTable.put(PVisitedNetworkID.class, PVisitedNetworkIDList.class); |
| |
| headerListTable.put(SecurityClient.class, SecurityClientList.class); |
| |
| headerListTable.put(SecurityServer.class, SecurityServerList.class); |
| |
| headerListTable.put(SecurityVerify.class, SecurityVerifyList.class); |
| |
| headerListTable.put(PAssertedIdentity.class, PAssertedIdentityList.class); |
| |
| initialized = true; |
| |
| } |
| |
| /** |
| * return true if this has an associated list object. |
| */ |
| static protected boolean hasList(SIPHeader sipHeader) { |
| if (sipHeader instanceof SIPHeaderList) |
| return false; |
| else { |
| Class<?> headerClass = sipHeader.getClass(); |
| return headerListTable.get(headerClass) != null; |
| } |
| } |
| |
| /** |
| * Return true if this has an associated list object. |
| */ |
| static protected boolean hasList(Class<?> sipHdrClass) { |
| if (!initialized) |
| initializeListMap(); |
| return headerListTable.get(sipHdrClass) != null; |
| } |
| |
| /** |
| * Get the associated list class. |
| */ |
| static protected Class<?> getListClass(Class<?> sipHdrClass) { |
| if (!initialized) |
| initializeListMap(); |
| return (Class<?>) headerListTable.get(sipHdrClass); |
| } |
| |
| /** |
| * Return a list object for this header if it has an associated list object. |
| */ |
| @SuppressWarnings("unchecked") |
| static protected SIPHeaderList<SIPHeader> getList(SIPHeader sipHeader) { |
| if (!initialized) |
| initializeListMap(); |
| try { |
| Class<?> headerClass = sipHeader.getClass(); |
| Class<?> listClass = headerListTable.get(headerClass); |
| SIPHeaderList<SIPHeader> shl = (SIPHeaderList<SIPHeader>) listClass.newInstance(); |
| shl.setHeaderName(sipHeader.getName()); |
| return shl; |
| } catch (InstantiationException ex) { |
| ex.printStackTrace(); |
| } catch (IllegalAccessException ex) { |
| ex.printStackTrace(); |
| } |
| return null; |
| } |
| |
| } |
| |