/*
    * 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.deploy;
  
  import com.google.common.base.Strings;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.catalina.Context;
  import org.springframework.beans.factory.annotation.Value;
  import org.springframework.stereotype.Controller;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.servlet.ModelAndView;
  
  import psiprobe.controllers.AbstractTomcatContainerController;
  
  /**
   * Precharges the list of contexts in the deploy page.
   */
  @Controller
  public class DeployController extends AbstractTomcatContainerController {
  
    @RequestMapping(path = "/adm/deploy.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 {
  
      List<Context> apps;
      try {
        apps = getContainerWrapper().getTomcatContainer().findContexts();
      } catch (NullPointerException ex) {
        throw new IllegalStateException(
            "No container found for your server: " + getServletContext().getServerInfo(), ex);
      }
  
      List<Map<String, String>> applications = new ArrayList<>();
      for (Context appContext : apps) {
        // check if this is not the ROOT webapp
        if (!Strings.isNullOrEmpty(appContext.getName())) {
          Map<String, String> app = new HashMap<>();
          app.put("value", appContext.getName());
          app.put("label", appContext.getName());
          applications.add(app);
        }
      }
      request.setAttribute("apps", applications);
      return new ModelAndView(getViewName());
    }
  
    @Value("deploy")
    @Override
    public void setViewName(String viewName) {
      super.setViewName(viewName);
    }
  
  }