Java tutorial
/* ****************************************************************************** * Copyright (c) 2006-2012 XMind Ltd. and others. * * This file is a part of XMind 3. XMind releases 3 and * above are dual-licensed under the Eclipse Public License (EPL), * which is available at http://www.eclipse.org/legal/epl-v10.html * and the GNU Lesser General Public License (LGPL), * which is available at http://www.gnu.org/licenses/lgpl.html * See http://www.xmind.net/license.html for details. * * Contributors: * XMind Ltd. - initial API and implementation *******************************************************************************/ package net.xmind.workbench.internal.notification; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.util.ArrayList; import java.util.List; import net.xmind.signin.IDataStore; import net.xmind.signin.ILicenseInfo; import net.xmind.signin.ILicenseListener; import net.xmind.signin.XMindNet; import net.xmind.signin.internal.XMindNetRequest; import net.xmind.workbench.internal.Messages; import net.xmind.workbench.internal.XMindNetWorkbench; import org.apache.commons.httpclient.HttpStatus; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Platform; import org.eclipse.core.runtime.Status; import org.eclipse.core.runtime.jobs.IJobChangeEvent; import org.eclipse.core.runtime.jobs.Job; import org.eclipse.core.runtime.jobs.JobChangeAdapter; import org.eclipse.core.runtime.preferences.InstanceScope; import org.eclipse.jface.action.Action; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.IStartup; import org.eclipse.ui.IWorkbench; import org.eclipse.ui.IWorkbenchListener; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.preferences.ScopedPreferenceStore; import org.xmind.core.Core; import org.xmind.ui.dialogs.SimpleInfoPopupDialog; public class SiteEventNotificationService implements IStartup, IWorkbenchListener, ILicenseListener { private class CheckSiteEventJob extends Job { private XMindNetRequest request = null; private boolean startup; public CheckSiteEventJob(boolean startup) { super("Check Site Events"); //$NON-NLS-1$ setSystem(true); setPriority(DECORATE); this.startup = startup; } @Override protected IStatus run(IProgressMonitor monitor) { if (monitor.isCanceled()) return Status.CANCEL_STATUS; request = new XMindNetRequest(); request.uri("/_api/events"); //$NON-NLS-1$ request.addParameter("version", "3.3.0"); //$NON-NLS-1$ //$NON-NLS-2$ request.addParameter("os", Platform.getOS()); //$NON-NLS-1$ request.addParameter("arch", Platform.getOSArch()); //$NON-NLS-1$ request.addParameter("nl", Platform.getNL()); //$NON-NLS-1$ request.addParameter("distrib", getDistributionId()); //$NON-NLS-1$ request.addParameter("account_type", getAccountType()); //$NON-NLS-1$ request.get(); if (monitor.isCanceled() || request.isAborted()) return Status.CANCEL_STATUS; int code = request.getCode(); IDataStore data = request.getData(); if (code == HttpStatus.SC_OK) { if (data != null) { return handleSiteEvents(monitor, data); } else { XMindNetWorkbench.log(request.getException(), "Failed to parse response of site events."); //$NON-NLS-1$ } } else if (code == XMindNetRequest.ERROR) { XMindNetWorkbench.log(request.getException(), "Failed to connect to xmind.net for site events."); //$NON-NLS-1$ } else { XMindNetWorkbench.log(request.getException(), "Failed to retrieve site events: " + code); //$NON-NLS-1$ } return Status.CANCEL_STATUS; } protected IStatus handleSiteEvents(IProgressMonitor monitor, IDataStore data) { List<ISiteEvent> siteEvents = new ArrayList<ISiteEvent>(); for (IDataStore siteData : data.getChildren("events")) { //$NON-NLS-1$ siteEvents.add(new DataStoreSiteEvent(siteData)); } // for test: // JSONObject js = new JSONObject(); // js.put("id", "8"); // js.put("prompt", "always"); // js.put("title", "XMind official group on Biggerplate"); // js.put("url", "http://blog.xmind.net/en/2012/02/biggerplate/"); // siteEvents.add(new JSONSiteEvent(js)); if (monitor.isCanceled()) return Status.CANCEL_STATUS; SiteEventStore localStore = getLocalEventStore(); if (monitor.isCanceled()) return Status.CANCEL_STATUS; List<ISiteEvent> newEvents = localStore.calcNewEvents(siteEvents, startup); if (monitor.isCanceled()) return Status.CANCEL_STATUS; if (!newEvents.isEmpty()) { showNotifications(newEvents); } if (monitor.isCanceled()) return Status.CANCEL_STATUS; setLocalEventStore(new SiteEventStore(siteEvents)); if (monitor.isCanceled()) return Status.CANCEL_STATUS; try { saveLocalEventStore(); } catch (IOException e) { XMindNetWorkbench.log(e, "Failed to save site events."); //$NON-NLS-1$ } if (monitor.isCanceled()) return Status.CANCEL_STATUS; return Status.OK_STATUS; } @Override protected void canceling() { if (request != null) { request.abort(); } super.canceling(); } } private static class URLAction extends Action { private String url; private boolean openExternal; public URLAction(String text, String url, boolean openExternal) { super(text == null ? Messages.SiteEventNotificationService_View_text : text); this.url = url; this.openExternal = openExternal; } @Override public void run() { XMindNet.gotoURL(openExternal, url); } } private IWorkbench workbench; private CheckSiteEventJob job; private SiteEventStore localEventStore; private String licenseType = "free"; //$NON-NLS-1$ private boolean startup = true; private IPreferenceStore prefStore; public SiteEventNotificationService() { prefStore = new ScopedPreferenceStore(InstanceScope.INSTANCE, "org.xmind.cathy"); //$NON-NLS-1$ } private SiteEventStore getLocalEventStore() { if (localEventStore == null) { File file = getLocalFile(); if (file.isFile()) { try { localEventStore = new SiteEventStore(new InputStreamReader(new FileInputStream(file), "UTF-8")); //$NON-NLS-1$ } catch (IOException e) { localEventStore = new SiteEventStore(); } } else { localEventStore = new SiteEventStore(); } } return localEventStore; } private void setLocalEventStore(SiteEventStore store) { this.localEventStore = store; } private void saveLocalEventStore() throws IOException { if (localEventStore == null) return; File file = getLocalFile(); if (!file.exists()) { file.getParentFile().mkdirs(); } localEventStore.save(new OutputStreamWriter(new FileOutputStream(file), "UTF-8")); //$NON-NLS-1$ } private static File getLocalFile() { return new File(Core.getWorkspace().getAbsolutePath("site-events.xml")); //$NON-NLS-1$ } private void checkEvent() { if (isNotificationAllowed()) { if (job != null && job.getResult() == null) return; job = new CheckSiteEventJob(startup); job.addJobChangeListener(new JobChangeAdapter() { @Override public void done(IJobChangeEvent event) { if (job == event.getJob()) { job = null; } } }); job.schedule(); startup = false; } else { stop(); } } private boolean isNotificationAllowed() { return prefStore.getBoolean("checkUpdatesOnStartup"); //$NON-NLS-1$ } private void showNotifications(final List<ISiteEvent> events) { if (workbench == null) return; if (canShowNotifications()) { doShowNotifications(events); } else { Thread thread = new Thread(new Runnable() { public void run() { while (!canShowNotifications()) { try { Thread.sleep(5000); } catch (InterruptedException e) { return; } } doShowNotifications(events); } }); thread.setPriority(Thread.MIN_PRIORITY); thread.setDaemon(true); thread.setName("WaitToShowNotifications"); //$NON-NLS-1$ thread.start(); } } private boolean canShowNotifications() { if (workbench == null) return false; final IWorkbench wb = workbench; final Display display = wb.getDisplay(); final boolean[] active = new boolean[1]; display.syncExec(new Runnable() { public void run() { IWorkbenchWindow window = wb.getActiveWorkbenchWindow(); active[0] = window != null && display.getActiveShell() == window.getShell(); } }); return active[0]; } private void doShowNotifications(final List<ISiteEvent> events) { if (workbench == null) return; final IWorkbench wb = workbench; final Display display = wb.getDisplay(); if (display == null || display.isDisposed()) return; display.asyncExec(new Runnable() { public void run() { IWorkbenchWindow window = wb.getActiveWorkbenchWindow(); if (window == null) return; final Shell shell = window.getShell(); if (shell == null || shell.isDisposed()) return; for (ISiteEvent event : events) { SimpleInfoPopupDialog dialog = new SimpleInfoPopupDialog(shell, null, event.getTitle(), 0, event.getMoreUrl() == null ? null : new URLAction(Messages.SiteEventNotificationService_More_text, event.getMoreUrl(), event.isOpenExternal()), new URLAction(event.getActionText(), event.getEventUrl(), event.isOpenExternal())); dialog.setDuration(10000); dialog.setGroupId("org.xmind.notifications"); //$NON-NLS-1$ dialog.popUp(shell); } } }); } private void stop() { if (job != null) { Thread thread = job.getThread(); job.cancel(); if (thread != null) { thread.interrupt(); } job = null; } } public void earlyStartup() { this.workbench = PlatformUI.getWorkbench(); workbench.addWorkbenchListener(this); int type = XMindNet.getLicenseInfo().getType(); if (type == ILicenseInfo.VERIFYING) { XMindNet.addLicenseListener(this); } else { parseLicenseType(type); checkEvent(); } } protected void parseLicenseType(int type) { if ((type & ILicenseInfo.VALID_PRO_LICENSE) != 0) { licenseType = "pro_license"; //$NON-NLS-1$ } else if ((type & ILicenseInfo.VALID_PLUS_LICENSE) != 0) { licenseType = "plus_license"; //$NON-NLS-1$ } else if ((type & ILicenseInfo.VALID_PRO_SUBSCRIPTION) != 0) { licenseType = "pro"; //$NON-NLS-1$ } else { licenseType = "free"; //$NON-NLS-1$ } } public void postShutdown(IWorkbench workbench) { stop(); if (this.workbench == null) return; this.workbench.removeWorkbenchListener(this); this.workbench = null; XMindNet.removeLicenseListener(this); } public boolean preShutdown(IWorkbench workbench, boolean forced) { stop(); return true; } private static final String getDistributionId() { String distribId = System.getProperty("org.xmind.product.distribution.id"); //$NON-NLS-1$ if (distribId == null || "".equals(distribId)) { //$NON-NLS-1$ distribId = "cathy_portable"; //$NON-NLS-1$ } return distribId; } private String getAccountType() { return licenseType; } public void licenseVerified(ILicenseInfo info) { XMindNet.removeLicenseListener(this); parseLicenseType(info.getType()); checkEvent(); } // public void authorized(IAccountInfo accountInfo) { // accountType = accountInfo.hasValidSubscription() ? "pro" : "free"; //$NON-NLS-1$ //$NON-NLS-2$ // XMindNet.removeAuthorizationListener(this); // checkEvent(); // } // // public void unauthorized(IStatus result, IAccountInfo accountInfo) { // accountType = "free"; //$NON-NLS-1$ // XMindNet.removeAuthorizationListener(this); // checkEvent(); // } }