Package org.exoplatform.webui.application.portlet

Source Code of org.exoplatform.webui.application.portlet.PortletRequestContext

/**
* Copyright (C) 2009 eXo Platform SAS.
*
* 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.exoplatform.webui.application.portlet;

import org.exoplatform.services.resources.Orientation;
import org.exoplatform.web.application.URLBuilder;
import org.exoplatform.webui.application.WebuiApplication;
import org.exoplatform.webui.application.WebuiRequestContext;
import org.exoplatform.webui.core.UIApplication;
import org.exoplatform.webui.core.UIComponent;

import java.io.Writer;

import javax.portlet.ActionResponse;
import javax.portlet.PortletMode;
import javax.portlet.PortletModeException;
import javax.portlet.PortletRequest;
import javax.portlet.PortletResponse;
import javax.portlet.RenderResponse;
import javax.portlet.StateAwareResponse;

/**
* The request context of a portlet
*
*/
public class PortletRequestContext extends WebuiRequestContext
{
   /**
    * Portlet Window ID
    */
   private String windowId_;

   /**
    * The request
    */
   private PortletRequest request_;

   /**
    * The response
    */
   private PortletResponse response_;

   private Writer writer_;

   private boolean hasProcessAction_ = false;

   private final PortletURLBuilder urlBuilder;

   public PortletRequestContext(WebuiApplication app, Writer writer, PortletRequest req, PortletResponse res)
   {
      super(app);
      init(writer, req, res);
      setSessionId(req.getPortletSession(true).getId());

      urlBuilder = new PortletURLBuilder();
   }

   public void init(Writer writer, PortletRequest req, PortletResponse res)
   {
      request_ = req;
      response_ = res;
//      writer_ = HtmlValidator.DEBUG_MODE ? new WriterPrinter(new HtmlValidator(writer)) : new WriterPrinter(writer);
      writer_ = writer;
      windowId_ = req.getWindowID();
   }

   public void setUIApplication(UIApplication uiApplication) throws Exception
   {
      uiApplication_ = uiApplication;
      appRes_ = getApplication().getResourceBundle(getParentAppRequestContext().getLocale());
   }

   final public String getRequestParameter(String name)
   {
      return request_.getParameter(name);
   }

   final public String[] getRequestParameterValues(String name)
   {
      return request_.getParameterValues(name);
   }

   public Orientation getOrientation()
   {
      return parentAppRequestContext_.getOrientation();
   }

   public String getRequestContextPath()
   {
      return request_.getContextPath();
   }

   @SuppressWarnings("unchecked")
   public PortletRequest getRequest()
   {
      return request_;
   }

   @SuppressWarnings("unchecked")
   public PortletResponse getResponse()
   {
      return response_;
   }

   public String getRemoteUser()
   {
      return parentAppRequestContext_.getRemoteUser();
   }

   final public boolean isUserInRole(String roleUser)
   {
      return request_.isUserInRole(roleUser);
   }

   public PortletMode getApplicationMode()
   {
      return request_.getPortletMode();
   }

   public void setApplicationMode(PortletMode mode) throws PortletModeException
   {
      if (response_ instanceof StateAwareResponse)
      {
         StateAwareResponse res = (StateAwareResponse)response_;
         res.setPortletMode(mode);
      }
      else
      {
         throw new PortletModeException(
            "The portlet don't support to set a portlet mode by current runtime environment", mode);
      }
   }

   public Writer getWriter() throws Exception
   {
      return writer_;
   }
  
   public void setWriter(Writer writer)
   {
     this.writer_ = writer;
   }

   final public boolean useAjax()
   {
      return getParentAppRequestContext().useAjax();
   }

   public void sendRedirect(String url) throws Exception
   {
      setResponseComplete(true);
      if (response_ instanceof ActionResponse)
         ((ActionResponse)response_).sendRedirect(url);
   }

   public boolean hasProcessAction()
   {
      return hasProcessAction_;
   }

   public void setProcessAction(boolean b)
   {
      hasProcessAction_ = b;
   }

   public URLBuilder<UIComponent> getURLBuilder()
   {
      RenderResponse renderRes = (RenderResponse)response_;
      urlBuilder.setBaseURL(renderRes.createActionURL().toString());
      return urlBuilder;
   }

   /**
    * Puts the component to update inside the parent request context
    *
    * Here it will be the PortalRequestHandler and hence it will be responsible of
    * making the distinction between 3rd parties portlets (that need a full portlet fragment refresh)
    *  and our portlets that also allow some UIComponent within the portlet to be refreshed
    */
   //  public void addUIComponentToUpdateByAjax(UIComponent uicomponent) {  
   //  ((WebuiRequestContext)getParentAppRequestContext()).addUIComponentToUpdateByAjax(uicomponent);
   //  } 
   // 
   //  public List<UIComponent>  getUIComponentToUpdateByAjax() { 
   //  return ((WebuiRequestContext)getParentAppRequestContext()).getUIComponentToUpdateByAjax() ;
   //  }

   public String getWindowId()
   {
      return windowId_;
   }
}
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