/*
* 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.jetspeed.container.services;
import java.io.IOException;
import java.util.List;
import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.EventPortlet;
import javax.portlet.EventRequest;
import javax.portlet.EventResponse;
import javax.portlet.Portlet;
import javax.portlet.PortletContext;
import javax.portlet.PortletException;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
import javax.portlet.ResourceRequest;
import javax.portlet.ResourceResponse;
import javax.portlet.ResourceServingPortlet;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.jetspeed.container.FilterManager;
import org.apache.jetspeed.factory.PortletFactory;
import org.apache.jetspeed.factory.PortletFilterInstance;
import org.apache.jetspeed.om.portlet.Filter;
import org.apache.jetspeed.om.portlet.FilterMapping;
import org.apache.jetspeed.om.portlet.PortletApplication;
public class JetspeedFilterManager implements FilterManager
{
private static final Logger log = LoggerFactory.getLogger(JetspeedFilterManager.class);
private PortletFactory portletFactory;
private JetspeedFilterChain filterchain;
private PortletApplication portletApp;
private String portletName;
private String lifeCycle;
public JetspeedFilterManager(PortletFactory portletFactory, PortletApplication portletApp, String portletName, String lifeCycle)
{
this.portletFactory = portletFactory;
this.portletApp = portletApp;
this.portletName = portletName;
this.lifeCycle = lifeCycle;
filterchain = new JetspeedFilterChain(lifeCycle);
initFilterChain();
}
private void initFilterChain()
{
List<? extends FilterMapping> filterMappingList = portletApp.getFilterMappings();
if (filterMappingList != null)
{
for (FilterMapping filterMapping : filterMappingList)
{
if (isFilter(filterMapping, portletName))
{
// the filter is specified for the portlet, check the filter for the lifecycle
List<? extends Filter> filterList = portletApp.getFilters();
for (Filter filter : filterList)
{
// search for the filter in the filter
if (filter.getFilterName().equals(filterMapping.getFilterName()))
{
// check the lifecycle
if (isLifeCycle(filter, lifeCycle))
{
// the filter match to the portlet and has the specified lifecycle -> add to chain
try
{
PortletFilterInstance filterInstance = this.portletFactory.getPortletFilterInstance(portletApp, filter.getFilterName());
filterchain.addFilterInstance(filterInstance);
}
catch (PortletException e)
{
String message = "The portlet filter is not available: " + filter.getFilterClass();
log.error(message, e);
}
}
}
}
}
}
}
}
public void processFilter(ActionRequest req, ActionResponse res, Portlet portlet, PortletContext portletContext) throws PortletException, IOException
{
filterchain.processFilter(req, res, portlet, portletContext);
}
public void processFilter(RenderRequest req, RenderResponse res, Portlet portlet, PortletContext portletContext) throws PortletException, IOException
{
filterchain.processFilter(req, res, portlet, portletContext);
}
public void processFilter(ResourceRequest req, ResourceResponse res, ResourceServingPortlet resourceServingPortlet, PortletContext portletContext) throws PortletException, IOException
{
filterchain.processFilter(req, res, resourceServingPortlet, portletContext);
}
public void processFilter(EventRequest req, EventResponse res, EventPortlet eventPortlet, PortletContext portletContext)throws PortletException, IOException
{
filterchain.processFilter(req, res, eventPortlet, portletContext);
}
private boolean isLifeCycle(Filter filter, String lifeCycle)
{
List<String> lifeCyclesList = filter.getLifecycles();
return lifeCyclesList.contains(lifeCycle);
}
private boolean isFilter(FilterMapping filterMapping, String portletName)
{
boolean isFilter = false;
for (String filterPortletName : filterMapping.getPortletNames())
{
if (filterPortletName.endsWith("*"))
{
if (filterPortletName.length() == 1)
{
isFilter = true;
break;
}
else if (portletName.startsWith(filterPortletName.substring(0, filterPortletName.length() - 1)))
{
isFilter = true;
break;
}
}
else if (filterPortletName.equals(portletName))
{
isFilter = true;
break;
}
}
return isFilter;
}
}