/*
    * 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;
  
  import com.thoughtworks.xstream.XStream;
  
  import javax.inject.Inject;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.springframework.beans.factory.annotation.Value;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.servlet.ModelAndView;
  import org.springframework.web.servlet.mvc.AbstractController;
  import org.springframework.web.servlet.mvc.Controller;
  
  import psiprobe.model.TransportableModel;
  
  /**
   * The Class BeanToXmlController.
   */
  @org.springframework.stereotype.Controller
  public class BeanToXmlController extends AbstractController {
  
    /** The xml marker. */
    private String xmlMarker;
  
    /** The xstream. */
    @Inject
    private XStream xstream;
  
    /**
     * Gets the xml marker.
     *
     * @return the xml marker
     */
    public String getXmlMarker() {
      return xmlMarker;
    }
  
    /**
     * Sets the xml marker.
     *
     * @param xmlMarker the new xml marker
     */
    @Value(".oxml")
    public void setXmlMarker(String xmlMarker) {
      this.xmlMarker = xmlMarker;
    }
  
    @RequestMapping(path = "/*.oxml.htm")
    @Override
    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)
        throws Exception {
      return super.handleRequest(request, response);
    }
  
    @Override
    protected ModelAndView handleRequestInternal(HttpServletRequest request,
        HttpServletResponse response) throws Exception {
  
      String path = request.getServletPath();
      String internalPath = path.replaceAll(xmlMarker, "");
  
      Controller controller = (Controller) getApplicationContext().getBean(internalPath);
      if (controller != null) {
        ModelAndView modelAndView = controller.handleRequest(request, response);
        if (modelAndView.getModel() != null) {
          TransportableModel tm = new TransportableModel();
          tm.putAll(modelAndView.getModel());
          xstream.toXML(tm, response.getWriter());
        }
      }
      return null;
    }
  }