/*

  * This file is part of dependency-check-core.

  *

  * Dependency-check-core is free software: you can redistribute it and/or modify it

  * under the terms of the GNU General Public License as published by the Free

  * Software Foundation, either version 3 of the License, or (at your option) any

  * later version.

  *

  * Dependency-check-core is distributed in the hope that it will be useful, but

  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more

  * details.

  *

  * You should have received a copy of the GNU General Public License along with

  * dependency-check-core. If not, see http://www.gnu.org/licenses/.

  *

  * Copyright (c) 2012 Jeremy Long. All Rights Reserved.

  */

 package org.owasp.dependencycheck.data.update;

 import org.owasp.dependencycheck.data.update.exception.UpdateException;

 import java.net.MalformedURLException;

 import java.util.logging.Level;

 import java.util.logging.Logger;

 import org.owasp.dependencycheck.utils.DownloadFailedException;

 /**

  * Class responsible for updating the NVD CVE and CPE data stores.

  *

  * @author Jeremy Long <jeremy.long@owasp.org>

  */

 public class NvdCveUpdater implements CachedWebDataSource {

     /**

      * <p>Downloads the latest NVD CVE XML file from the web and imports it into

      * the current CVE Database.</p>

      *

      * @throws UpdateException is thrown if there is an error updating the

      * database

      */

     @Override

     public void update() throws UpdateException {

         try {

             final StandardUpdate task = new StandardUpdate();

             if (task.isUpdateNeeded()) {

                 task.update();

             }

         } catch (MalformedURLException ex) {

             Logger.getLogger(NvdCveUpdater.class.getName()).log(Level.WARNING,

                     "NVD CVE properties files contain an invalid URL, unable to update the data to use the most current data.");

             Logger.getLogger(NvdCveUpdater.class.getName()).log(Level.FINE, null, ex);

         } catch (DownloadFailedException ex) {

             Logger.getLogger(NvdCveUpdater.class.getName()).log(Level.WARNING,

                     "Unable to download the NVD CVE data, unable to update the data to use the most current data.");

             Logger.getLogger(NvdCveUpdater.class.getName()).log(Level.FINE, null, ex);

         }

     }

 }