/******************************************************************************
* 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.jboss.portal.portlet.bridge;
import javax.portlet.GenericPortlet;
import javax.portlet.PortletRequest;
import javax.portlet.PortletResponse;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.portals.bridges.common.ServletContextProvider;
import org.jboss.portal.portlet.container.PortletContainer;
import org.jboss.portal.portlet.container.ContainerPortletInvoker;
import org.jboss.portal.portlet.invocation.PortletInvocation;
/**
* The JBoss implementation of <code>org.apache.portals.bridges.common.ServletContextProvider</code> use thread local
* variables to keep the request associated with the current thread of execution.
*
* @author <a href="mailto:dr@vizuri.com">Swarn Dhaliwal</a>
* @author <a href="mailto:julien@jboss.org">Julien Viet</a>
* @version $Revision: 7226 $
*/
public class JBossServletContextProvider implements ServletContextProvider
{
/** . */
private static final ThreadLocal local = new ThreadLocal();
static void set(BridgeInfo info)
{
local.set(info);
}
public static BridgeInfo get()
{
return (BridgeInfo)local.get();
}
/** @throws IllegalStateException if no bridge info is found */
public ServletContext getServletContext(GenericPortlet genericPortlet) throws IllegalStateException
{
BridgeInfo info = ((BridgeInfo)local.get());
if (info == null)
{
throw new IllegalStateException("No bridge set");
}
return info.ctx;
}
/** @throws IllegalStateException if no bridge info is found */
public HttpServletRequest getHttpServletRequest(GenericPortlet genericPortlet, PortletRequest portletRequest) throws IllegalStateException
{
BridgeInfo info = (BridgeInfo)JBossServletContextProvider.local.get();
if (info == null)
{
throw new IllegalStateException("No bridge set");
}
if (info.breq == null)
{
init(info);
}
return info.breq;
}
/** @throws IllegalStateException if no bridge info is found */
public HttpServletResponse getHttpServletResponse(GenericPortlet genericPortlet, PortletResponse portletResponse) throws IllegalStateException
{
BridgeInfo info = (BridgeInfo)JBossServletContextProvider.local.get();
if (info == null)
{
throw new IllegalStateException("No bridge set");
}
if (info.breq == null)
{
init(info);
}
return info.bresp;
}
/** Lazy initialisation of the bridge info. */
private void init(BridgeInfo bridgeInfo)
{
bridgeInfo.breq = bridgeInfo.getInvocation().getDispatchedRequest();
bridgeInfo.bresp = new BridgeResponse(bridgeInfo);
}
public static class BridgeInfo
{
/** Servlet context of the dispatched application. */
private final PortletInvocation invocation;
/** Servlet context of the dispatched application. */
private final ServletContext ctx;
/** The bridge response. */
private HttpServletRequest breq;
/** The bridge response. */
private HttpServletResponse bresp;
public BridgeInfo(PortletInvocation invocation)
{
PortletContainer container = (PortletContainer)invocation.getAttribute(ContainerPortletInvoker.PORTLET_CONTAINER);
//
this.invocation = invocation;
this.ctx = container.getPortletApplication().getContext().getServletContext();
this.breq = null;
this.bresp = null;
}
public PortletInvocation getInvocation()
{
return invocation;
}
}
}