package com.sap.wcm.examples.using-api.services.scheduling;


import java.util.Properties;

import com.sapportals.wcm.WcmException;
import com.sapportals.wcm.repository.ResourceFactory;
import com.sapportals.wcm.repository.IResource;
import com.sapportals.wcm.repository.ResourceContext;
import com.sapportals.wcm.repository.IResourceContext;
import com.sapportals.wcm.service.scheduler.ISchedulerTask;
import com.sap.tc.logging.Location;


/**
 * A scheduler task example.
 * 
 * Copyright (c) SAP AG 2003
 */
public class SchedulerTaskExample implements ISchedulerTask {

  // ----------------
  // Static Variables ---------------------------------------------------------
  // ----------------

  private static Location TRACE = Location.getLocation(SchedulerTaskExample.class);


  private void checkRID(RID rid) throws WcmException {
    // Get the context for anonymous user.
    IResourceContext context = new ResourceContext(null);
    // Try to retrieve the resource for the given RID.
    IResource resource = ResourceFactory.getInstance().getResource(rid, context);
    if( resource != null ) {
      if( resource.isCollection() ) {
        TRACE.warningT("SchedulerTaskExample: resource '" + rid.toString() + "' is a collection");
      } else {
        TRACE.warningT("SchedulerTaskExample: resource '" + rid.toString() + "' found!");
      }
    } else {
      TRACE.warningT("SchedulerTaskExample: resource '" + rid.toString() + "' NOT found");
    }
  }


  // ------------------------------------------------------------------------
  /**
   * The run() method is called by the scheduler, when the
   * task is scheduled.
   * @param id a String with the task's id from the SchedulerTask configurable.
   * @param properties the Properties as given for this id in the
   *        SchedulerTask configurable.
   */
  public void run(String id, Properties properties) {
    try {
      String ridString = properties.getProperty("rid");
      if( ridString == null ) {
        TRACE.warnT("SchedulerTaskExample: no 'rid' property specified");
        return;
      }

      checkRID(new RID(ridString));
    }
    catch( Exception e ) {
      TRACE.errorT("SchedulerTaskExample: caught exception " + e.getMessage());
    }
  }

}