HandlerConfiguration config = this.getHandlerConfiguration( handlerName );
if ( config == null ) {
throw new ProcessingException("Unknown handler to authenticate: " + handlerName);
}
// are we already logged in?
UserHandler handler = this.getUserHandler( handlerName );
if ( handler != null ) {
throw new ProcessingException("User is already authenticated using handler: " + handlerName);
}
Authenticator authenticator = this.lookupAuthenticator( config );
try {
Authenticator.AuthenticationResult result = authenticator.authenticate( config, parameters );
if (result != null) {
if (result.valid) {
AuthenticationContext authContext = new AuthenticationContext(this.context, this.xpathProcessor, this.resolver);
handler = new UserHandler(config, authContext);
// store the authentication data in the context
authContext.init(result.result);
} else {
// now set the failure information in the temporary context
ContextManager contextManager = null;
try {
contextManager = (ContextManager) this.manager.lookup( ContextManager.ROLE );
SessionContext temp = contextManager.getContext( SessionConstants.TEMPORARY_CONTEXT );
final DocumentFragment fragment = result.result.createDocumentFragment();
final Node root = result.result.getDocumentElement();
root.normalize();
Node child;
boolean appendedNode = false;
while (root.hasChildNodes() ) {
child = root.getFirstChild();
root.removeChild(child);
// Leave out empty text nodes before any other node
if (appendedNode
|| child.getNodeType() != Node.TEXT_NODE
|| child.getNodeValue().trim().length() > 0) {
fragment.appendChild(child);
appendedNode = true;
}
}
temp.appendXML("/", fragment);
} catch ( ServiceException se ) {
throw new ProcessingException("Unable to lookup session manager.", se);
} finally {
this.manager.release( contextManager );
}
}
}
} finally {
this.releaseAuthenticator( authenticator, config );
}
if ( handler != null ) {
// create UserStatus
final UserState status = this.createUserState();
status.addHandler( handler );
this.updateUserState();
// update RequestState
RequestState state = new RequestState( handler, applicationName);
this.setState( state );
state.initialize( this.resolver );
// And now load applications
Iterator applications = handler.getHandlerConfiguration().getApplications().values().iterator();
while ( applications.hasNext() ) {
ApplicationConfiguration appHandler = (ApplicationConfiguration)applications.next();
if ( !appHandler.getLoadOnDemand() ) {
handler.getContext().loadApplicationXML( appHandler, this.resolver );
}
}
}
return handler;