Package org.gatein.wsrp.consumer

Source Code of org.gatein.wsrp.consumer.RequestPrecursor

/*
* JBoss, a division of Red Hat
* Copyright 2009, 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.wsrp.consumer;

import org.gatein.common.util.ContentInfo;
import org.gatein.common.util.ParameterValidation;
import org.gatein.pc.api.PortletInvokerException;
import org.gatein.pc.api.StateString;
import org.gatein.pc.api.invocation.PortletInvocation;
import org.gatein.pc.api.spi.PortletInvocationContext;
import org.gatein.pc.api.spi.SecurityContext;
import org.gatein.pc.api.spi.UserContext;
import org.gatein.wsrp.WSRPConstants;
import org.gatein.wsrp.WSRPTypeFactory;
import org.gatein.wsrp.WSRPUtils;
import org.oasis.wsrp.v1.MarkupParams;
import org.oasis.wsrp.v1.PortletContext;
import org.oasis.wsrp.v1.RuntimeContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Collections;

/**
* Extracts basic required elements for all invocation requests.
*
* @author <a href="mailto:chris.laprun@jboss.com">Chris Laprun</a>
* @version $Revision: 13121 $
* @since 2.4
*/
class RequestPrecursor
{
   private final static Logger log = LoggerFactory.getLogger(RequestPrecursor.class);

   private PortletContext portletContext;
   RuntimeContext runtimeContext;
   MarkupParams markupParams;
   private static final String PORTLET_HANDLE = "portlet handle";
   private static final String SECURITY_CONTEXT = "security context";
   private static final String USER_CONTEXT = "user context";
   private static final String INVOCATION_CONTEXT = "invocation context";
   private static final String STREAM_INFO = "stream info in invocation context";
   private static final String USER_AGENT = "User-Agent";

   public RequestPrecursor(WSRPConsumerImpl wsrpConsumer, PortletInvocation invocation) throws PortletInvokerException
   {
      // retrieve handle
      portletContext = WSRPUtils.convertToWSRPPortletContext(WSRPConsumerImpl.getPortletContext(invocation));
      ParameterValidation.throwIllegalArgExceptionIfNullOrEmpty(getPortletHandle(), PORTLET_HANDLE, null);
      log.debug("About to invoke on portlet: " + getPortletHandle());

      // create runtime context
      SecurityContext securityContext = invocation.getSecurityContext();
      ParameterValidation.throwIllegalArgExceptionIfNull(securityContext, SECURITY_CONTEXT);
      String authType = WSRPUtils.convertRequestAuthTypeToWSRPAuthType(securityContext.getAuthType());
      runtimeContext = WSRPTypeFactory.createRuntimeContext(authType);

      // set the session id if needed
      wsrpConsumer.getSessionHandler().setSessionIdIfNeeded(invocation, runtimeContext, getPortletHandle());

      wsrpConsumer.setTemplatesIfNeeded(invocation, runtimeContext);

      // create markup params
      UserContext userContext = invocation.getUserContext();
      ParameterValidation.throwIllegalArgExceptionIfNull(userContext, USER_CONTEXT);
      PortletInvocationContext context = invocation.getContext();
      ParameterValidation.throwIllegalArgExceptionIfNull(context, INVOCATION_CONTEXT);
      ContentInfo streamInfo = context.getMarkupInfo();
      ParameterValidation.throwIllegalArgExceptionIfNull(streamInfo, STREAM_INFO);

      String mode;
      try
      {
         mode = WSRPUtils.getWSRPNameFromJSR168PortletMode(invocation.getMode());
      }
      catch (Exception e)
      {
         log.debug("Mode was null in context.");
         mode = WSRPConstants.VIEW_MODE;
      }

      String windowState;
      try
      {
         windowState = WSRPUtils.getWSRPNameFromJSR168WindowState(invocation.getWindowState());
      }
      catch (Exception e)
      {
         log.debug("WindowState was null in context.");
         windowState = WSRPConstants.NORMAL_WINDOW_STATE;
      }

      markupParams = WSRPTypeFactory.createMarkupParams(securityContext.isSecure(),
         WSRPUtils.convertLocalesToRFC3066LanguageTags(userContext.getLocales()),
         Collections.singletonList(streamInfo.getMediaType().getValue()), mode, windowState);
      String userAgent = WSRPConsumerImpl.getHttpRequest(invocation).getHeader(USER_AGENT);
      markupParams.setClientData(WSRPTypeFactory.createClientData(userAgent));
      StateString navigationalState = invocation.getNavigationalState();
      if (navigationalState != null)
      {
         String state = navigationalState.getStringValue();
         if (!StateString.JBPNS_PREFIX.equals(state))  // fix-me: see JBPORTAL-900
         {
            markupParams.setNavigationalState(state);
         }
      }

      log.debug(WSRPUtils.toString(markupParams));
   }

   public String getPortletHandle()
   {
      return portletContext.getPortletHandle();
   }


   public PortletContext getPortletContext()
   {
      return portletContext;
   }
}
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