/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.cocoon.webapps.authentication.context;
import org.apache.avalon.framework.component.Component;
import org.apache.avalon.framework.logger.AbstractLogEnabled;
import org.apache.avalon.framework.service.ServiceException;
import org.apache.avalon.framework.service.ServiceManager;
import org.apache.avalon.framework.service.Serviceable;
import org.apache.avalon.framework.thread.ThreadSafe;
import org.apache.cocoon.ProcessingException;
import org.apache.cocoon.webapps.authentication.AuthenticationConstants;
import org.apache.cocoon.webapps.authentication.AuthenticationManager;
import org.apache.cocoon.webapps.authentication.user.RequestState;
import org.apache.cocoon.webapps.authentication.user.UserHandler;
import org.apache.cocoon.webapps.session.context.SessionContext;
import org.apache.cocoon.webapps.session.context.SessionContextProvider;
/**
* Context provider for the authentication context
*
* @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a>
* @version CVS $Id: AuthenticationContextProvider.java,v 1.8 2004/03/05 13:01:41 bdelacretaz Exp $
*/
public final class AuthenticationContextProvider
extends AbstractLogEnabled
implements SessionContextProvider, ThreadSafe, Component, Serviceable {
protected ServiceManager manager;
/**
* Get the context
* @param name The name of the context
* @return The context
* @throws ProcessingException If the context is not available.
*/
public SessionContext getSessionContext(String name)
throws ProcessingException {
AuthenticationContext context = null;
if (name.equals(AuthenticationConstants.SESSION_CONTEXT_NAME) ) {
AuthenticationManager authManager = null;
RequestState state = null;
try {
authManager = (AuthenticationManager)this.manager.lookup(AuthenticationManager.ROLE);
state = authManager.getState();
} catch (ServiceException ignore) {
} finally {
this.manager.release( authManager );
}
if ( null != state ) {
UserHandler handler = state.getHandler();
if ( handler != null ) {
context = handler.getContext();
}
}
}
return context;
}
/**
* Does the context exist?
*/
public boolean existsSessionContext(String name)
throws ProcessingException {
return (this.getSessionContext( name ) != null);
}
/* (non-Javadoc)
* @see org.apache.avalon.framework.service.Serviceable#service(org.apache.avalon.framework.service.ServiceManager)
*/
public void service(ServiceManager manager) throws ServiceException {
this.manager = manager;
}
}