/*
    * 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.apps;
  
  import javax.inject.Inject;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.catalina.Context;
  import org.springframework.web.bind.ServletRequestUtils;
  import org.springframework.web.servlet.ModelAndView;
  
  import psiprobe.beans.ResourceResolver;
  import psiprobe.controllers.AbstractContextHandlerController;
  import psiprobe.model.Application;
  import psiprobe.model.stats.StatsCollection;
  import psiprobe.tools.ApplicationUtils;
  import psiprobe.tools.SecurityUtils;
  
  /**
   * Retrieves Application model object populated with application information.
   */
  public class BaseGetApplicationController extends AbstractContextHandlerController {
  
    /** denotes whether extended application information and statistics should be collected. */
    private boolean extendedInfo;
  
    /** The stats collection. */
    @Inject
    private StatsCollection statsCollection;
  
    /** The collection period. */
    private long collectionPeriod;
  
    /**
     * Checks if is extended info.
     *
     * @return true, if is extended info
     */
    public boolean isExtendedInfo() {
      return extendedInfo;
    }
  
    /**
     * Sets the extended info.
     *
     * @param extendedInfo the new extended info
     */
    public void setExtendedInfo(boolean extendedInfo) {
      this.extendedInfo = extendedInfo;
    }
  
    /**
     * Gets the stats collection.
     *
     * @return the stats collection
     */
    public StatsCollection getStatsCollection() {
      return statsCollection;
    }
  
    /**
     * Sets the stats collection.
     *
     * @param statsCollection the new stats collection
     */
    public void setStatsCollection(StatsCollection statsCollection) {
      this.statsCollection = statsCollection;
    }
  
    /**
     * Gets the collection period.
     *
     * @return the collection period
     */
    public long getCollectionPeriod() {
      return collectionPeriod;
    }
  
    /**
     * Sets the collection period.
     *
     * @param collectionPeriod the new collection period
     */
    public void setCollectionPeriod(long collectionPeriod) {
      this.collectionPeriod = collectionPeriod;
    }
  
    @Override
    protected ModelAndView handleContext(String contextName, Context context,
        HttpServletRequest request, HttpServletResponse response) throws Exception {
 
     boolean calcSize = ServletRequestUtils.getBooleanParameter(request, "size", false)
         && SecurityUtils.hasAttributeValueRole(getServletContext());
 
     ResourceResolver resourceResolver = getContainerWrapper().getResourceResolver();
     Application app = ApplicationUtils.getApplication(context,
         isExtendedInfo() ? resourceResolver : null, calcSize, getContainerWrapper());
 
     if (isExtendedInfo() && getStatsCollection() != null) {
       String avgStatisticName = "app.avg_proc_time." + app.getName();
       app.setAvgTime(getStatsCollection().getLastValueForStat(avgStatisticName));
     }
 
     return new ModelAndView(getViewName()).addObject("app", app)
         .addObject("no_resources", !resourceResolver.supportsPrivateResources())
         .addObject("collectionPeriod", getCollectionPeriod());
   }
 
 }