/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.myfaces.orchestra.lib.jsf;
import javax.faces.FacesException;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.myfaces.orchestra.CoreConfig;
import org.apache.myfaces.orchestra.frameworkAdapter.FrameworkAdapter;
import org.apache.myfaces.orchestra.frameworkAdapter.jsf.JsfFrameworkAdapter;
/**
* RequestHandler that ensures that the FrameworkAdapter is initialised as a JsfFrameworkAdapter.
*
* @since 1.1
*/
class FrameworkAdapterRequestHandler implements RequestHandler
{
private final static String CONVERSATION_MESSAGER_CLASS =
"org.apache.myfaces.orchestra.CONVERSATION_MESSAGER"; // NON-NLS
private final Log log = LogFactory.getLog(FrameworkAdapterRequestHandler.class);
private JsfFrameworkAdapter adapter;
public void init(FacesContext facesContext) throws FacesException
{
log.debug("init");
if (FrameworkAdapter.getCurrentInstance() == null)
{
log.debug("creating jsfFrameworkAdapter");
// No filter has yet initialised the adapter, so do it here.
String conversationMessagerClass = getConversationMessagerClass(facesContext);
adapter = new JsfFrameworkAdapter(conversationMessagerClass);
adapter.beginRequest();
}
}
public void deinit() throws FacesException
{
if (adapter != null)
{
adapter.endRequest();
}
}
private static String getConversationMessagerClass(FacesContext facesContext)
{
ExternalContext ec = facesContext.getExternalContext();
String cn = ec.getInitParameter(CONVERSATION_MESSAGER_CLASS);
if (cn != null)
{
return cn;
}
cn = ec.getInitParameter(CoreConfig.CONVERSATION_MESSAGER);
return cn;
}
}