/*
    * Licensed under the GPL License. You may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *   https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
    *
    * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
    * WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
    * PURPOSE.
   */
  package psiprobe.controllers.sessions;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.catalina.Context;
  import org.apache.catalina.Session;
  import org.springframework.beans.factory.annotation.Value;
  import org.springframework.stereotype.Controller;
  import org.springframework.web.bind.ServletRequestUtils;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.servlet.ModelAndView;
  import org.springframework.web.servlet.view.RedirectView;
  
  import psiprobe.controllers.AbstractContextHandlerController;
  
  /**
   * The Class RemoveSessAttributeController.
   */
  @Controller
  public class RemoveSessAttributeController extends AbstractContextHandlerController {
  
    @RequestMapping(path = "/app/rmsattr.htm")
    @Override
    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)
        throws Exception {
      return super.handleRequest(request, response);
    }
  
    @Override
    protected ModelAndView handleContext(String contextName, Context context,
        HttpServletRequest request, HttpServletResponse response) throws Exception {
  
      String sid = ServletRequestUtils.getStringParameter(request, "sid");
      String attrName = ServletRequestUtils.getStringParameter(request, "attr");
      Session session = context.getManager().findSession(sid);
      if (session != null) {
        session.getSession().removeAttribute(attrName);
      }
  
      return new ModelAndView(new RedirectView(
          request.getContextPath() + getViewName() + "?" + request.getQueryString()));
    }
  
    @Value("/attributes.htm")
    @Override
    public void setViewName(String viewName) {
      super.setViewName(viewName);
    }
  
  }