/*
* 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.context.portlet;
import org.apache.myfaces.shared_impl.util.NullEnumeration;
import java.util.Enumeration;
import java.util.Map;
import javax.portlet.PortletRequest;
import javax.portlet.PortletSession;
import org.apache.myfaces.context.servlet.AbstractAttributeMap;
/**
* Portlet scope PortletSession attibutes as Map.
*
* @author Stan Silvert (latest modification by $Author: grantsmith $)
* @version $Revision: 472618 $ $Date: 2006-11-08 21:06:54 +0100 (Mi, 08 Nov 2006) $
*/
public class SessionMap extends AbstractAttributeMap
{
private final PortletRequest _portletRequest;
SessionMap(PortletRequest portletRequest)
{
_portletRequest = portletRequest;
}
protected Object getAttribute(String key)
{
PortletSession portletSession = getSession();
return (portletSession == null)
? null : portletSession.getAttribute(key.toString(), PortletSession.PORTLET_SCOPE);
}
protected void setAttribute(String key, Object value)
{
_portletRequest.getPortletSession(true).setAttribute(key, value, PortletSession.PORTLET_SCOPE);
}
protected void removeAttribute(String key)
{
PortletSession portletSession = getSession();
if (portletSession != null)
{
portletSession.removeAttribute(key, PortletSession.PORTLET_SCOPE);
}
}
protected Enumeration getAttributeNames()
{
PortletSession portletSession = getSession();
return (portletSession == null)
? NullEnumeration.instance()
: portletSession.getAttributeNames(PortletSession.PORTLET_SCOPE);
}
private PortletSession getSession()
{
return _portletRequest.getPortletSession(false);
}
public void putAll(Map t)
{
throw new UnsupportedOperationException();
}
public void clear()
{
throw new UnsupportedOperationException();
}
}