| /******************************************************************************* |
| * Copyright (C) 2009-2010 The University of Manchester |
| * |
| * Modifications to the initial code base are copyright of their |
| * respective authors, or their employers as appropriate. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public License |
| * as published by the Free Software Foundation; either version 2.1 of |
| * the License, or (at your option) any later version. |
| * |
| * This program 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| ******************************************************************************/ |
| package org.apache.taverna.raven.plugins.ui; |
| |
| import java.io.File; |
| import java.util.Date; |
| |
| import uk.org.taverna.commons.plugin.PluginManager; |
| import uk.org.taverna.configuration.app.ApplicationConfiguration; |
| |
| import org.apache.taverna.workbench.StartupSPI; |
| |
| /** |
| * Startup hook for checking if there are available updates for Taverna plugins. |
| * |
| * @author Alex Nenadic |
| * @author Stian Soiland-Reyes |
| * |
| */ |
| public class CheckForUpdatesStartupHook implements StartupSPI { |
| |
| public static final String CHECK_FOR_UPDATES_DIRECTORY_NAME = "updates"; |
| public static final String LAST_UPDATE_CHECK_FILE_NAME = "last_update_check"; |
| |
| private PluginManager pluginManager; |
| private ApplicationConfiguration applicationConfiguration; |
| |
| public static File checkForUpdatesDirectory = getCheckForUpdatesDirectory(); |
| public static File lastUpdateCheckFile = new File(checkForUpdatesDirectory, |
| LAST_UPDATE_CHECK_FILE_NAME); |
| |
| public int positionHint() { |
| return 90; |
| } |
| |
| public boolean startup() { |
| |
| // Check if more than 2 weeks passed since we checked for updates. |
| if (lastUpdateCheckFile.exists()) { |
| long lastModified = lastUpdateCheckFile.lastModified(); |
| long now = new Date().getTime(); |
| |
| if (now - lastModified < 14 * 24 * 3600 * 1000) { // 2 weeks have not passed since we |
| // last asked |
| return true; |
| } else { // Check again for updates |
| if (pluginManager.checkForUpdates()) { |
| CheckForUpdatesDialog dialog = new CheckForUpdatesDialog(); |
| dialog.setVisible(true); |
| } |
| return true; |
| } |
| } else { |
| // If we are here - then this is the first time to check for updates |
| if (pluginManager.checkForUpdates()) { |
| CheckForUpdatesDialog dialog = new CheckForUpdatesDialog(); |
| dialog.setVisible(true); |
| } |
| return true; |
| } |
| } |
| |
| /** |
| * Gets the registration directory where info about registration will be saved to. |
| */ |
| public File getCheckForUpdatesDirectory() { |
| |
| File home = applicationConfiguration.getApplicationHomeDir(); |
| |
| File registrationDirectory = new File(home, CHECK_FOR_UPDATES_DIRECTORY_NAME); |
| if (!registrationDirectory.exists()) { |
| registrationDirectory.mkdir(); |
| } |
| return registrationDirectory; |
| } |
| } |