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/*
* JBoss, a division of Red Hat
* Copyright 2011, Red Hat Middleware, LLC, and individual
* contributors as indicated by the @authors tag. See the
* copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.gatein.pc.federation.impl;
import org.gatein.pc.api.Portlet;
import org.gatein.pc.api.PortletContext;
import org.gatein.pc.api.PortletInvoker;
import org.gatein.pc.api.PortletInvokerException;
import org.gatein.pc.api.PortletStateType;
import org.gatein.pc.api.PortletStatus;
import org.gatein.pc.api.StateEvent;
import org.gatein.pc.api.invocation.InvocationException;
import org.gatein.pc.api.invocation.PortletInvocation;
import org.gatein.pc.api.invocation.response.PortletInvocationResponse;
import org.gatein.pc.api.spi.InstanceContext;
import org.gatein.pc.api.state.AccessMode;
import org.gatein.pc.api.state.DestroyCloneFailure;
import org.gatein.pc.api.state.PropertyChange;
import org.gatein.pc.api.state.PropertyMap;
import org.gatein.pc.federation.FederatedPortletInvoker;
import org.gatein.pc.federation.FederatingPortletInvoker;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
/**
* @author Julien Viet
* @version $Revision: 5943 $
* @since 2.4
*/
public class FederatedPortletInvokerService implements FederatedPortletInvoker
{
/** . */
private String id;
/** . */
private PortletInvoker portletInvoker;
/** . */
private FederatingPortletInvoker federatingPortletInvoker;
public FederatedPortletInvokerService(FederatingPortletInvoker federatingPortletInvoker, String id, PortletInvoker portletInvoker)
{
this.id = id;
this.portletInvoker = portletInvoker;
this.federatingPortletInvoker = federatingPortletInvoker;
}
public PortletInvoker getPortletInvoker()
{
return portletInvoker;
}
public boolean isActive()
{
return portletInvoker.isActive();
}
public String getId()
{
return id;
}
public FederatingPortletInvoker getFederatingPortletInvoker()
{
return federatingPortletInvoker;
}
public Set getPortlets() throws PortletInvokerException
{
Set federatedPortlets = new LinkedHashSet();
for (Portlet portlet : portletInvoker.getPortlets())
{
Portlet federatedPortlet = new FederatedPortlet(this, reference(portlet.getContext()), portlet);
federatedPortlets.add(federatedPortlet);
}
return federatedPortlets;
}
public Portlet getPortlet(PortletContext compoundPortletContext) throws IllegalArgumentException, PortletInvokerException
{
// Get portlet context
PortletContext portletContext = dereference(compoundPortletContext);
// Retrieve wrapped portlet
Portlet portlet = portletInvoker.getPortlet(portletContext);
// Return correct result
return new FederatedPortlet(this, compoundPortletContext, portlet);
}
public PortletStatus getStatus(PortletContext portletContext) throws IllegalArgumentException, PortletInvokerException
{
PortletContext context = dereference(portletContext);
return portletInvoker.getStatus(context);
}
private class FederatedInstanceContext implements InstanceContext
{
/** . */
private InstanceContext ctx;
public FederatedInstanceContext(InstanceContext ctx)
{
this.ctx = ctx;
}
public String getId()
{
return ctx.getId();
}
public AccessMode getAccessMode()
{
return ctx.getAccessMode();
}
public void onStateEvent(StateEvent event)
{
ctx.onStateEvent(new StateEvent(reference(event.getPortletContext()), event.getType()));
}
public PortletStateType getStateType()
{
return ctx.getStateType();
}
}
public PortletInvocationResponse invoke(PortletInvocation invocation) throws InvocationException, PortletInvokerException
{
PortletContext compoundPortletContext = invocation.getTarget();
PortletContext portletContext = dereference(compoundPortletContext);
InstanceContext instanceContext = invocation.getInstanceContext();
try
{
invocation.setTarget(portletContext);
invocation.setInstanceContext(new FederatedInstanceContext(instanceContext));
return portletInvoker.invoke(invocation);
}
finally
{
invocation.setTarget(compoundPortletContext);
invocation.setInstanceContext(instanceContext);
}
}
public PortletContext createClone(PortletStateType stateType, PortletContext compoundPortletContext) throws PortletInvokerException
{
PortletContext portletContext = dereference(compoundPortletContext);
PortletContext cloneContext = portletInvoker.createClone(stateType, portletContext);
return reference(cloneContext);
}
public List destroyClones(List portletContexts) throws IllegalArgumentException, PortletInvokerException, UnsupportedOperationException
{
if (portletContexts == null)
{
throw new IllegalArgumentException("Null portlet id list not accepted");
}
if (portletContexts.size() == 0)
{
return Collections.emptyList();
}
//
List dereferencedList = new ArrayList(portletContexts);
for (int i = 0; i < dereferencedList.size(); i++)
{
PortletContext compoundPortletContext = dereferencedList.get(i);
PortletContext portletContext = dereference(compoundPortletContext);
dereferencedList.set(i, portletContext);
}
//
List failures = portletInvoker.destroyClones(dereferencedList);
for (int i = 0; i < failures.size(); i++)
{
DestroyCloneFailure failure = failures.get(i);
String cloneId = failure.getPortletId();
failure = new DestroyCloneFailure(PortletContext.reference(id, PortletContext.createPortletContext(cloneId)).getId());
failures.set(i, failure);
}
//
return failures;
}
public PropertyMap getProperties(PortletContext compoundPortletContext) throws PortletInvokerException
{
PortletContext portletId = dereference(compoundPortletContext);
return portletInvoker.getProperties(portletId);
}
public PropertyMap getProperties(PortletContext compoundPortletContext, Set keys) throws IllegalArgumentException, PortletInvokerException, UnsupportedOperationException
{
PortletContext portletId = dereference(compoundPortletContext);
return portletInvoker.getProperties(portletId, keys);
}
public PortletContext setProperties(PortletContext compoundPortletContext, PropertyChange[] changes) throws IllegalArgumentException, PortletInvokerException, UnsupportedOperationException
{
PortletContext portletContext = dereference(compoundPortletContext);
portletContext = portletInvoker.setProperties(portletContext, changes);
return reference(portletContext);
}
public PortletContext exportPortlet(PortletStateType stateType, PortletContext compoundPortletContext)
throws PortletInvokerException
{
PortletContext portletContext = dereference(compoundPortletContext);
portletContext = portletInvoker.exportPortlet(stateType, portletContext);
return reference(portletContext);
}
public PortletContext importPortlet(PortletStateType stateType, PortletContext compoundPortletContext) throws PortletInvokerException
{
PortletContext portletContext = dereference(compoundPortletContext);
portletContext = portletInvoker.exportPortlet(stateType, portletContext);
return reference(portletContext);
}
private PortletContext dereference(PortletContext compoundPortletContext)
{
return PortletContext.dereference(compoundPortletContext);
}
private PortletContext reference(PortletContext portletContext)
{
return PortletContext.reference(id, portletContext);
}
}
