| /******************************************************************************* |
| * Copyright (c) 2008 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.equinox.internal.p2.ui.sdk.scheduler; |
| |
| import java.util.Calendar; |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.equinox.internal.p2.core.helpers.ServiceHelper; |
| import org.eclipse.equinox.internal.provisional.p2.engine.IProfile; |
| import org.eclipse.equinox.internal.provisional.p2.engine.IProfileRegistry; |
| import org.eclipse.equinox.internal.provisional.p2.metadata.IInstallableUnit; |
| import org.eclipse.equinox.internal.provisional.p2.metadata.query.IUPropertyQuery; |
| import org.eclipse.equinox.internal.provisional.p2.query.Query; |
| import org.eclipse.equinox.internal.provisional.p2.updatechecker.IUpdateChecker; |
| import org.eclipse.equinox.internal.provisional.p2.updatechecker.IUpdateListener; |
| import org.eclipse.equinox.internal.provisional.p2.updatechecker.UpdateEvent; |
| import org.eclipse.ui.IStartup; |
| import org.eclipse.ui.statushandlers.StatusManager; |
| |
| /** |
| * This plug-in is loaded on startup to register with the update checker. |
| * |
| * @since 3.5 |
| */ |
| public class AutomaticUpdateScheduler implements IStartup { |
| // values are to be picked up from the arrays DAYS and HOURS |
| public static final String P_DAY = "day"; //$NON-NLS-1$ |
| |
| public static final String P_HOUR = "hour"; //$NON-NLS-1$ |
| |
| public static final String[] DAYS = {AutomaticUpdateMessages.SchedulerStartup_day, AutomaticUpdateMessages.SchedulerStartup_Monday, AutomaticUpdateMessages.SchedulerStartup_Tuesday, AutomaticUpdateMessages.SchedulerStartup_Wednesday, AutomaticUpdateMessages.SchedulerStartup_Thursday, AutomaticUpdateMessages.SchedulerStartup_Friday, AutomaticUpdateMessages.SchedulerStartup_Saturday, AutomaticUpdateMessages.SchedulerStartup_Sunday}; |
| |
| public static final String[] HOURS = {AutomaticUpdateMessages.SchedulerStartup_1AM, AutomaticUpdateMessages.SchedulerStartup_2AM, AutomaticUpdateMessages.SchedulerStartup_3AM, AutomaticUpdateMessages.SchedulerStartup_4AM, AutomaticUpdateMessages.SchedulerStartup_5AM, AutomaticUpdateMessages.SchedulerStartup_6AM, AutomaticUpdateMessages.SchedulerStartup_7AM, AutomaticUpdateMessages.SchedulerStartup_8AM, AutomaticUpdateMessages.SchedulerStartup_9AM, AutomaticUpdateMessages.SchedulerStartup_10AM, AutomaticUpdateMessages.SchedulerStartup_11AM, AutomaticUpdateMessages.SchedulerStartup_12PM, AutomaticUpdateMessages.SchedulerStartup_1PM, AutomaticUpdateMessages.SchedulerStartup_2PM, AutomaticUpdateMessages.SchedulerStartup_3PM, AutomaticUpdateMessages.SchedulerStartup_4PM, |
| AutomaticUpdateMessages.SchedulerStartup_5PM, AutomaticUpdateMessages.SchedulerStartup_6PM, AutomaticUpdateMessages.SchedulerStartup_7PM, AutomaticUpdateMessages.SchedulerStartup_8PM, AutomaticUpdateMessages.SchedulerStartup_9PM, AutomaticUpdateMessages.SchedulerStartup_10PM, AutomaticUpdateMessages.SchedulerStartup_11PM, AutomaticUpdateMessages.SchedulerStartup_12AM,}; |
| |
| private IUpdateListener listener = null; |
| private IUpdateChecker checker = null; |
| String profileId; |
| |
| /** |
| * A query that searches for {@link IInstallableUnit} instances that have |
| * a property associated with the specified profile, whose value matches the provided value. |
| * Uses the profile id instead of the profile to reference the profile. |
| * The profile instance is cached only during the duration of the query. |
| * This query is used instead of IUProfilePropertyQuery because we pass |
| * this query to the automatic update checker and it will be referenced during |
| * the life of the platform. |
| */ |
| private class IUProfilePropertyByIdQuery extends IUPropertyQuery { |
| private IProfile cachedProfile; |
| |
| /** |
| * Creates a new query on the given property name and value. |
| */ |
| public IUProfilePropertyByIdQuery(String propertyName, String propertyValue) { |
| super(propertyName, propertyValue); |
| } |
| |
| protected String getProperty(IInstallableUnit iu, String name) { |
| IProfile profile = getProfile(); |
| if (profile == null) |
| return null; |
| return profile.getInstallableUnitProperty(iu, name); |
| } |
| |
| private IProfile getProfile() { |
| if (cachedProfile == null) { |
| IProfileRegistry profileRegistry = (IProfileRegistry) ServiceHelper.getService(AutomaticUpdatePlugin.getContext(), IProfileRegistry.class.getName()); |
| if (profileRegistry != null) |
| cachedProfile = profileRegistry.getProfile(profileId); |
| } |
| return cachedProfile; |
| } |
| |
| // overridden to release profile cache |
| protected void performComplete() { |
| cachedProfile = null; |
| } |
| } |
| |
| /** |
| * The constructor. |
| */ |
| public AutomaticUpdateScheduler() { |
| AutomaticUpdatePlugin.getDefault().setScheduler(this); |
| checker = (IUpdateChecker) ServiceHelper.getService(AutomaticUpdatePlugin.getContext(), IUpdateChecker.SERVICE_NAME); |
| if (checker == null) { |
| // Something did not initialize properly |
| IStatus status = new Status(IStatus.ERROR, AutomaticUpdatePlugin.PLUGIN_ID, AutomaticUpdateMessages.AutomaticUpdateScheduler_UpdateNotInitialized); |
| StatusManager.getManager().handle(status, StatusManager.LOG); |
| return; |
| } |
| profileId = IProfileRegistry.SELF; |
| } |
| |
| public void earlyStartup() { |
| scheduleUpdate(); |
| } |
| |
| public void shutdown() { |
| removeUpdateListener(); |
| } |
| |
| public void rescheduleUpdate() { |
| removeUpdateListener(); |
| Preferences pref = AutomaticUpdatePlugin.getDefault().getPluginPreferences(); |
| String schedule = pref.getString(PreferenceConstants.PREF_AUTO_UPDATE_SCHEDULE); |
| // See if we have a scheduled check or startup only. If it is |
| // startup only, there is nothing more to do now, a listener will |
| // be created on the next startup. |
| if (schedule.equals(PreferenceConstants.PREF_UPDATE_ON_STARTUP)) { |
| return; |
| } |
| scheduleUpdate(); |
| } |
| |
| private void scheduleUpdate() { |
| // Nothing to do if we don't know what profile we are checking |
| if (profileId == null) |
| return; |
| Preferences pref = AutomaticUpdatePlugin.getDefault().getPluginPreferences(); |
| // See if automatic search is enabled at all |
| if (pref.getBoolean(PreferenceConstants.PREF_AUTO_UPDATE_ENABLED) == false) |
| return; |
| String schedule = pref.getString(PreferenceConstants.PREF_AUTO_UPDATE_SCHEDULE); |
| long delay = IUpdateChecker.ONE_TIME_CHECK; |
| long poll = IUpdateChecker.ONE_TIME_CHECK; |
| if (!schedule.equals(PreferenceConstants.PREF_UPDATE_ON_STARTUP)) { |
| delay = computeDelay(pref); |
| poll = computePoll(pref); |
| } |
| // We do not access the AutomaticUpdater directly when we register |
| // the listener. This prevents the UI classes from being started up |
| // too soon. |
| // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=227582 |
| listener = new IUpdateListener() { |
| public void updatesAvailable(UpdateEvent event) { |
| AutomaticUpdatePlugin.getDefault().getAutomaticUpdater().updatesAvailable(event); |
| } |
| |
| }; |
| checker.addUpdateCheck(profileId, getProfileQuery(), delay, poll, listener); |
| |
| } |
| |
| private Query getProfileQuery() { |
| // We specifically avoid going through the default policy's query provider or |
| // through the sdk ui bundle, so that we don't load all the p2 UI classes in doing so. |
| return new IUProfilePropertyByIdQuery(IInstallableUnit.PROP_PROFILE_ROOT_IU, Boolean.toString(true)); |
| } |
| |
| private int getDay(Preferences pref) { |
| String day = pref.getString(P_DAY); |
| for (int d = 0; d < DAYS.length; d++) |
| if (DAYS[d].equals(day)) |
| switch (d) { |
| case 0 : |
| return -1; |
| case 1 : |
| return Calendar.MONDAY; |
| case 2 : |
| return Calendar.TUESDAY; |
| case 3 : |
| return Calendar.WEDNESDAY; |
| case 4 : |
| return Calendar.THURSDAY; |
| case 5 : |
| return Calendar.FRIDAY; |
| case 6 : |
| return Calendar.SATURDAY; |
| case 7 : |
| return Calendar.SUNDAY; |
| } |
| return -1; |
| } |
| |
| private int getHour(Preferences pref) { |
| String hour = pref.getString(P_HOUR); |
| for (int h = 0; h < HOURS.length; h++) |
| if (HOURS[h].equals(hour)) |
| return h + 1; |
| return 1; |
| } |
| |
| /* |
| * Computes the number of milliseconds from this moment to the next |
| * scheduled update check. If that moment has already passed, returns 0L (start |
| * immediately). |
| */ |
| private long computeDelay(Preferences pref) { |
| |
| int target_d = getDay(pref); |
| int target_h = getHour(pref); |
| |
| Calendar calendar = Calendar.getInstance(); |
| // may need to use the BootLoader locale |
| int current_d = calendar.get(Calendar.DAY_OF_WEEK); |
| // starts with SUNDAY |
| int current_h = calendar.get(Calendar.HOUR_OF_DAY); |
| int current_m = calendar.get(Calendar.MINUTE); |
| int current_s = calendar.get(Calendar.SECOND); |
| int current_ms = calendar.get(Calendar.MILLISECOND); |
| |
| long delay = 0L; // milliseconds |
| |
| if (target_d == -1) { |
| // Compute the delay for "every day at x o'clock" |
| // Is it now ? |
| if (target_h == current_h && current_m == 0 && current_s == 0) |
| return delay; |
| |
| int delta_h = target_h - current_h; |
| if (target_h <= current_h) |
| delta_h += 24; |
| delay = ((delta_h * 60 - current_m) * 60 - current_s) * 1000 - current_ms; |
| return delay; |
| } |
| // Compute the delay for "every Xday at x o'clock" |
| // Is it now ? |
| if (target_d == current_d && target_h == current_h && current_m == 0 && current_s == 0) |
| return delay; |
| |
| int delta_d = target_d - current_d; |
| if (target_d < current_d || target_d == current_d && (target_h < current_h || target_h == current_h && current_m > 0)) |
| delta_d += 7; |
| |
| delay = (((delta_d * 24 + target_h - current_h) * 60 - current_m) * 60 - current_s) * 1000 - current_ms; |
| return delay; |
| } |
| |
| /* |
| * Computes the number of milliseconds for the polling frequency. |
| * We have already established that there is a schedule, vs. only |
| * on startup. |
| */ |
| private long computePoll(Preferences pref) { |
| |
| int target_d = getDay(pref); |
| if (target_d == -1) { |
| // Every 24 hours |
| return 24 * 60 * 60 * 1000; |
| } |
| return 7 * 24 * 60 * 60 * 1000; |
| } |
| |
| private void removeUpdateListener() { |
| // Remove the current listener if there is one |
| if (listener != null && checker != null) { |
| checker.removeUpdateCheck(listener); |
| listener = null; |
| } |
| } |
| } |