/******************************************************************************
* JBoss, a division of Red Hat *
* Copyright 2006, 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.portlet.container;
import org.gatein.common.invocation.InvocationException;
import org.gatein.pc.api.NoSuchPortletException;
import org.gatein.pc.api.Portlet;
import org.gatein.pc.api.PortletContext;
import org.gatein.pc.api.PortletInvokerException;
import org.gatein.pc.api.PortletStateType;
import org.gatein.pc.api.state.PropertyMap;
import org.gatein.pc.portlet.impl.info.ContainerPreferencesInfo;
import org.gatein.pc.portlet.impl.info.ContainerPortletInfo;
import org.gatein.pc.portlet.impl.info.ContainerPreferenceInfo;
import org.gatein.pc.api.info.PortletInfo;
import org.gatein.pc.api.invocation.PortletInvocation;
import org.gatein.pc.portlet.PortletInvokerInterceptor;
import org.gatein.pc.api.invocation.response.PortletInvocationResponse;
import org.gatein.pc.api.state.PropertyChange;
import org.gatein.pc.portlet.state.SimplePropertyMap;
import org.gatein.pc.api.state.DestroyCloneFailure;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* An implementation of portlet invoker that makes a call to a portlet container.
*
* @author <a href="mailto:julien@jboss.org">Julien Viet</a>
* @version $Revision: 7226 $
*/
public class ContainerPortletInvoker extends PortletInvokerInterceptor
{
/** The key under which the portlet container is stored in the request scope of the invocation. */
public static final String PORTLET_CONTAINER = "PORTLET_CONTAINER";
/** . */
private Map<String, Portlet> portlets = new HashMap<String, Portlet>();
public void addPortletContainer(PortletContainer portletContainer)
{
Map<String, Portlet> portlets = new HashMap<String, Portlet>(this.portlets);
PortletImpl portlet = new PortletImpl(portletContainer);
portlets.put(portlet.getContext().getId(), portlet);
//
this.portlets = portlets;
}
public void removePortletContainer(PortletContainer portletContainer)
{
Map<String, Portlet> portlets = new HashMap<String, Portlet>(this.portlets);
PortletImpl portlet = new PortletImpl(portletContainer);
portlets.remove(portlet.getContext().getId());
//
this.portlets = portlets;
}
public Set<Portlet> getPortlets()
{
return new HashSet<Portlet>(portlets.values());
}
public Portlet getPortlet(PortletContext portletContext) throws IllegalArgumentException, PortletInvokerException
{
if (portletContext == null)
{
throw new IllegalArgumentException("No null portlet id accepted");
}
String portletId = portletContext.getId();
PortletImpl portlet = (PortletImpl)portlets.get(portletId);
if (portlet == null)
{
throw new NoSuchPortletException(portletId);
}
return portlet;
}
public PortletInvocationResponse invoke(PortletInvocation invocation) throws PortletInvokerException, InvocationException
{
// Get portlet container
PortletContext ctx = invocation.getTarget();
PortletImpl portlet = (PortletImpl)getPortlet(ctx);
PortletContainer container = portlet.container;
//
try
{
invocation.setAttribute(ContainerPortletInvoker.PORTLET_CONTAINER, container);
//
return super.invoke(invocation);
}
catch (Exception e)
{
if (e instanceof PortletInvokerException)
{
throw (PortletInvokerException)e;
}
else if (e instanceof RuntimeException)
{
throw (RuntimeException)e;
}
else
{
throw new PortletInvokerException(e);
}
}
finally
{
invocation.removeAttribute(ContainerPortletInvoker.PORTLET_CONTAINER);
}
}
public PropertyMap getProperties(PortletContext portletContext, Set<String> keys) throws IllegalArgumentException, PortletInvokerException, UnsupportedOperationException
{
PortletImpl portlet = (PortletImpl)portlets.get(portletContext.getId());
if (portlet == null)
{
throw new NoSuchPortletException(portletContext.getId());
}
ContainerPortletInfo info = (ContainerPortletInfo)portlet.getInfo();
ContainerPreferencesInfo prefs = (ContainerPreferencesInfo)info.getPreferences();
PropertyMap result = new SimplePropertyMap();
for (String key : keys)
{
ContainerPreferenceInfo pref = prefs.getContainerPreference(key);
if (pref != null)
{
result.put(key, pref.getDefaultValue());
}
}
return result;
}
public PropertyMap getProperties(PortletContext portletContext) throws IllegalArgumentException, PortletInvokerException, UnsupportedOperationException
{
PortletImpl portlet = (PortletImpl)portlets.get(portletContext.getId());
if (portlet == null)
{
throw new NoSuchPortletException(portletContext.getId());
}
ContainerPortletInfo info = (ContainerPortletInfo)portlet.getInfo();
ContainerPreferencesInfo prefs = (ContainerPreferencesInfo)info.getPreferences();
PropertyMap result = new SimplePropertyMap();
for (String key : prefs.getKeys())
{
ContainerPreferenceInfo pref = prefs.getContainerPreference(key);
if (pref != null)
{
result.put(key, pref.getDefaultValue());
}
}
return result;
}
public PortletContext createClone(PortletStateType stateType, PortletContext portletContext) throws IllegalArgumentException, PortletInvokerException, UnsupportedOperationException
{
throw new UnsupportedOperationException();
}
public List<DestroyCloneFailure> destroyClones(List<PortletContext> portletContexts) throws IllegalArgumentException, PortletInvokerException, UnsupportedOperationException
{
throw new UnsupportedOperationException();
}
public PortletContext setProperties(PortletContext portletContext, PropertyChange[] changes) throws IllegalArgumentException, PortletInvokerException, UnsupportedOperationException
{
throw new UnsupportedOperationException();
}
private static class PortletImpl implements Portlet
{
/** . */
private final PortletContainer container;
/** . */
private final PortletContext context;
public PortletImpl(PortletContainer container)
{
this.container = container;
this.context = PortletContext.createPortletContext(container.getPortletApplication().getId() + "." + container.getId());
//this.context = PortletContext.createPortletContext(container.getPortletApplication().getId().substring(1) + "/" + container.getId());
}
public PortletContext getContext()
{
return context;
}
public PortletInfo getInfo()
{
return container.getInfo();
}
public boolean isRemote()
{
return false;
}
public String toString()
{
return "Portlet[context=" + context + ",container=" + container + "]";
}
}
}