/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) 2004 The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. The end-user documentation included with the redistribution, if any, must
include the following acknowledgment: "This product includes software
developed by the Apache Software Foundation (http://www.apache.org/)."
Alternately, this acknowledgment may appear in the software itself, if
and wherever such third-party acknowledgments normally appear.
4. The names "Apache Cocoon" and "Apache Software Foundation" must not be
used to endorse or promote products derived from this software without
prior written permission. For written permission, please contact
apache@apache.org.
5. Products derived from this software may not be called "Apache", nor may
"Apache" appear in their name, without prior written permission of the
Apache Software Foundation.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.apache.cocoon.portal.pluto;
import javax.servlet.http.HttpServletRequest;
import org.apache.avalon.framework.context.Context;
import org.apache.avalon.framework.context.ContextException;
import org.apache.avalon.framework.context.Contextualizable;
import org.apache.avalon.framework.service.ServiceException;
import org.apache.avalon.framework.service.ServiceManager;
import org.apache.avalon.framework.service.Serviceable;
import org.apache.cocoon.components.ContextHelper;
import org.apache.cocoon.portal.pluto.om.PortletDefinitionRegistry;
import org.apache.pluto.services.PortletContainerEnvironment;
import org.apache.pluto.services.information.DynamicInformationProvider;
import org.apache.pluto.services.information.InformationProviderService;
import org.apache.pluto.services.information.StaticInformationProvider;
/**
* Our own information provider service
*
* @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a>
*
* @version CVS $Id: InformationProviderServiceImpl.java,v 1.1 2004/01/22 14:01:21 cziegeler Exp $
*/
public class InformationProviderServiceImpl
implements InformationProviderService, PortletContainerEnabled, Serviceable, Contextualizable {
/** The service manager */
protected ServiceManager manager;
/** The portlet container environment */
protected PortletContainerEnvironmentImpl portletContainerEnvironment;
/** The static information provider (thread safe) */
protected StaticInformationProvider staticProvider;
/** The portal context provider (thread safe) */
protected PortalContextProviderImpl provider;
/** The component context */
protected Context context;
final static protected String dynamicProviderRole= InformationProviderServiceImpl.class.getName();
/* (non-Javadoc)
* @see org.apache.cocoon.portal.pluto.PortletContainerEnabled#setPortletContainerEnvironment(org.apache.pluto.services.PortletContainerEnvironment)
*/
public void setPortletContainerEnvironment(PortletContainerEnvironment env) {
this.portletContainerEnvironment = (PortletContainerEnvironmentImpl)env;
}
/* (non-Javadoc)
* @see org.apache.pluto.services.information.InformationProviderService#getStaticProvider()
*/
public StaticInformationProvider getStaticProvider() {
if ( this.staticProvider == null ) {
this.staticProvider = new StaticInformationProviderImpl(this.getPortalContextProvider(),
(PortletDefinitionRegistry)this.portletContainerEnvironment.getContainerService(PortletDefinitionRegistry.class));
}
return this.staticProvider;
}
/* (non-Javadoc)
* @see org.apache.pluto.services.information.InformationProviderService#getDynamicProvider(javax.servlet.http.HttpServletRequest)
*/
public DynamicInformationProvider getDynamicProvider(HttpServletRequest request) {
DynamicInformationProvider dynProvider = (DynamicInformationProvider)request.getAttribute(dynamicProviderRole);
if (dynProvider == null) {
dynProvider = new DynamicInformationProviderImpl(this.manager,
this.getPortalContextProvider());
request.setAttribute(dynamicProviderRole, dynProvider);
}
return dynProvider;
}
/* (non-Javadoc)
* @see org.apache.avalon.framework.context.Contextualizable#contextualize(org.apache.avalon.framework.context.Context)
*/
public void contextualize(Context context) throws ContextException {
this.context = context;
}
/* (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;
}
/**
* Get the portal context provider
* We have to do a lazy initialization, as the provider needs the object model
*/
protected PortalContextProviderImpl getPortalContextProvider() {
if ( this.provider == null ) {
this.provider = new PortalContextProviderImpl(ContextHelper.getObjectModel(context));
}
return this.provider;
}
}