Java tutorial
/** * This file Copyright (c) 2005-2010 Aptana, Inc. This program is * dual-licensed under both the Aptana Public License and the GNU General * Public license. You may elect to use one or the other of these licenses. * * This program is distributed in the hope that it will be useful, but * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or * NONINFRINGEMENT. Redistribution, except as permitted by whichever of * the GPL or APL you select, is prohibited. * * 1. For the GPL license (GPL), you can redistribute and/or modify this * program under the terms of the GNU General Public License, * Version 3, as published by the Free Software Foundation. You should * have received a copy of the GNU General Public License, Version 3 along * with this program; if not, write to the Free Software Foundation, Inc., 51 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Aptana provides a special exception to allow redistribution of this file * with certain Eclipse Public Licensed code and certain additional terms * pursuant to Section 7 of the GPL. You may view the exception and these * terms on the web at http://www.aptana.com/legal/gpl/. * * 2. For the Aptana Public License (APL), this program and the * accompanying materials are made available under the terms of the APL * v1.0 which accompanies this distribution, and is available at * http://www.aptana.com/legal/apl/. * * You may view the GPL, Aptana's exception and additional terms, and the * APL in the file titled license.html at the root of the corresponding * plugin containing this source file. * * Any modifications to this file must keep this entire header intact. */ package com.aptana.ide.update.ui; import java.io.IOException; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import java.net.URLConnection; import java.text.MessageFormat; 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.Job; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.ui.IWorkbenchPage; import org.eclipse.ui.PartInitException; import org.eclipse.ui.browser.IWorkbenchBrowserSupport; import org.eclipse.ui.internal.browser.WebBrowserEditorInput; import org.eclipse.ui.progress.UIJob; import org.osgi.framework.Version; import com.aptana.ide.core.IdeLog; import com.aptana.ide.core.MutexJobRule; import com.aptana.ide.core.PluginUtils; import com.aptana.ide.core.ui.BaseTimingStartup; import com.aptana.ide.core.ui.CoreUIPlugin; import com.aptana.ide.core.ui.CoreUIUtils; import com.aptana.ide.update.preferences.IPreferenceConstants; /** * */ @SuppressWarnings("restriction") public class SchedulerStartup extends BaseTimingStartup { /** * The constructor. */ public SchedulerStartup() { } @Override public String getStartupName() { return "SchedulerStartup"; //$NON-NLS-1$ } @Override protected void startup() { scheduleCheckForReleaseMessage(); scheduleCheckForNewsMessage(); scheduleCheckForAnnouncements(); startupDone(); } private void scheduleCheckForReleaseMessage() { // Escape mechanism boolean doNotCheckForReleaseMessage = Boolean.getBoolean("DO_NOT_CHECK_FOR_RELEASE_MESSAGE"); //$NON-NLS-1$ if (doNotCheckForReleaseMessage) { return; } final IPreferenceStore prefs = UpdateUIActivator.getDefault().getPreferenceStore(); final String releaseMessageURLPrefix = prefs.getString(IPreferenceConstants.RELEASE_MESSAGE_URL_PREFIX); Job job = new Job("Check for new release message") { //$NON-NLS-1$ @Override protected IStatus run(IProgressMonitor monitor) { try { final URL releaseMessageURL = new URL( System.getProperty("RELEASE_MESSAGE_URL_OVERRIDE", releaseMessageURLPrefix //$NON-NLS-1$ + getCoreUIVersion() + "/message.html")); //$NON-NLS-1$ URLConnection urlConnection = null; try { urlConnection = releaseMessageURL.openConnection(); } catch (IOException ioe) { logError(ioe); } if (urlConnection instanceof HttpURLConnection) { HttpURLConnection httpURLConnection = (HttpURLConnection) urlConnection; try { httpURLConnection.setConnectTimeout(1000); httpURLConnection.setUseCaches(false); httpURLConnection.addRequestProperty("Cache-Control", "no-cache"); //$NON-NLS-1$ //$NON-NLS-2$ httpURLConnection.setRequestMethod("HEAD"); //$NON-NLS-1$ if (httpURLConnection.getResponseCode() == HttpURLConnection.HTTP_OK) { boolean showMessage = true; // Check for lastModified? long lastModified = httpURLConnection.getLastModified(); if (lastModified == 0) { // unknown } else { long lastLastModified = prefs.getLong(releaseMessageURL.toString()); if (lastLastModified >= lastModified) { showMessage = false; } } prefs.setValue(releaseMessageURL.toString(), lastModified); if (showMessage) { CoreUIUtils.getDisplay().asyncExec(new Runnable() { public void run() { IWorkbenchPage page = CoreUIPlugin.getActivePage(); if (page != null) { try { page.openEditor( new WebBrowserEditorInput(releaseMessageURL, IWorkbenchBrowserSupport.PERSISTENT), ExternalWebBrowserEditor.ID, false); } catch (PartInitException e) { // Show the message in // external browser CoreUIUtils.openBrowserURL(releaseMessageURL.toExternalForm()); } } } }); } } } catch (IOException e) { logError(e); } finally { // cleanup httpURLConnection.disconnect(); } } } catch (MalformedURLException e) { logError(e); } return Status.OK_STATUS; } }; job.setSystem(true); job.schedule(); } private void scheduleCheckForNewsMessage() { // Escape mechanism boolean doNotCheckForReleaseMessage = Boolean.getBoolean("DO_NOT_CHECK_FOR_NEWS_MESSAGE"); //$NON-NLS-1$ if (doNotCheckForReleaseMessage) { return; } final IPreferenceStore prefs = UpdateUIActivator.getDefault().getPreferenceStore(); String newsMessageURLPrefix = prefs.getString(IPreferenceConstants.NEWS_MESSAGE_URL_PREFIX); // For the news we want to pass the version of studio and final String newsMessageBaseURL = System.getProperty("NEWS_MESSAGE_URL_OVERRIDE", //$NON-NLS-1$ newsMessageURLPrefix + "news.php"); //$NON-NLS-1$ Job job = new Job("Check for new news message") { //$NON-NLS-1$ @Override protected IStatus run(IProgressMonitor monitor) { try { final URL newsMessageURL = new URL(newsMessageBaseURL + getParamsString()); URLConnection urlConnection = null; try { urlConnection = newsMessageURL.openConnection(); } catch (IOException ioe) { logError(ioe); } if (urlConnection instanceof HttpURLConnection) { HttpURLConnection httpURLConnection = (HttpURLConnection) urlConnection; try { httpURLConnection.setConnectTimeout(1000); httpURLConnection.setUseCaches(false); httpURLConnection.addRequestProperty("Cache-Control", "no-cache"); //$NON-NLS-1$ //$NON-NLS-2$ httpURLConnection.setRequestMethod("HEAD"); //$NON-NLS-1$ if (httpURLConnection.getResponseCode() == HttpURLConnection.HTTP_OK) { // Check for lastModified? boolean showMessage = true; long lastModified = httpURLConnection.getLastModified(); if (lastModified == 0) { // unknown } else { long lastLastModified = prefs.getLong(newsMessageBaseURL); if (lastLastModified >= lastModified) { showMessage = false; } } prefs.setValue(newsMessageBaseURL, lastModified); if (showMessage) { CoreUIUtils.getDisplay().asyncExec(new Runnable() { public void run() { IWorkbenchPage page = CoreUIPlugin.getActivePage(); if (page != null) { try { page.openEditor( new WebBrowserEditorInput(newsMessageURL, IWorkbenchBrowserSupport.PERSISTENT), ExternalWebBrowserEditor.ID, false); } catch (PartInitException e) { // Show the message in // external browser CoreUIUtils.openBrowserURL(newsMessageURL.toExternalForm()); } } } }); } } } catch (IOException e) { logError(e); } finally { // cleanup httpURLConnection.disconnect(); } } } catch (MalformedURLException e) { logError(e); } return Status.OK_STATUS; } }; job.setSystem(true); job.schedule(); } private static final String HEADER_WIDTH = "Width"; //$NON-NLS-1$ private static final String HEADER_HEIGHT = "Height"; //$NON-NLS-1$ private void scheduleCheckForAnnouncements() { // Escape mechanism boolean doNotCheckForReleaseMessage = Boolean.getBoolean("DO_NOT_CHECK_FOR_NEWS_MESSAGE"); //$NON-NLS-1$ if (doNotCheckForReleaseMessage) { return; } final IPreferenceStore prefs = UpdateUIActivator.getDefault().getPreferenceStore(); boolean b_neverShow = prefs.getBoolean(IPreferenceConstants.NEVER_SHOW_ANNOUNCEMENTS); if (b_neverShow) { return; } String announcementURLPrefix = prefs.getString(IPreferenceConstants.ANNOUNCEMENT_URL_PREFIX); final String announceBaseURL = System.getProperty("ANNOUNCEMENT_URL_OVERRIDE", //$NON-NLS-1$ announcementURLPrefix + "announce.php"); //$NON-NLS-1$ Job job = new Job("Check for new announcement") { //$NON-NLS-1$ @Override protected IStatus run(IProgressMonitor monitor) { try { // For the announcements we want to pass the version of // studio and getAnnouncement(new URL(announceBaseURL + getParamsString())); } catch (MalformedURLException e) { logError(e); } return Status.OK_STATUS; } private void getAnnouncement(final URL url) { URLConnection urlConnection = null; try { urlConnection = url.openConnection(); } catch (IOException ioe) { logError(ioe); } if (urlConnection instanceof HttpURLConnection) { HttpURLConnection httpURLConnection = (HttpURLConnection) urlConnection; try { httpURLConnection.setConnectTimeout(1000); httpURLConnection.setUseCaches(false); httpURLConnection.addRequestProperty("Cache-Control", "no-cache"); //$NON-NLS-1$ //$NON-NLS-2$ httpURLConnection.setRequestMethod("HEAD"); //$NON-NLS-1$ if (httpURLConnection.getResponseCode() == HttpURLConnection.HTTP_OK) { // Check for lastModified? boolean showMessage = true; long lastModified = httpURLConnection.getLastModified(); if (lastModified == 0) { // unknown } else { boolean neverShowThisAgain = prefs .getBoolean(IPreferenceConstants.NEVER_SHOW_THIS_ANNOUNCEMENT); if (neverShowThisAgain) { long lastLastModified = prefs.getLong( IPreferenceConstants.NEVER_SHOW_THIS_ANNOUNCEMENT_LAST_LAST_MODIFIED); if (lastModified <= lastLastModified) { showMessage = false; } } } prefs.setValue(IPreferenceConstants.NEVER_SHOW_THIS_ANNOUNCEMENT_LAST_LAST_MODIFIED, lastModified); String strHeight = httpURLConnection.getHeaderField(HEADER_HEIGHT); String strWidth = httpURLConnection.getHeaderField(HEADER_WIDTH); final int height = (strHeight != null) ? Integer.parseInt(strHeight) : 300; final int width = (strWidth != null) ? Integer.parseInt(strWidth) : 300; if (showMessage) { UIJob uiJob = new UIJob("Show Aptana Announcement") { //$NON-NLS-1$ @Override public IStatus runInUIThread(IProgressMonitor monitor) { IWorkbenchPage page = CoreUIPlugin.getActivePage(); if (page != null) { BrowserDialog dialog = new BrowserDialog(CoreUIUtils.getActiveShell(), url.toString(), height, width); dialog.open(); } return Status.OK_STATUS; } }; uiJob.setSystem(true); uiJob.setRule(MutexJobRule.getInstance()); uiJob.schedule(); } } } catch (IOException e) { logError(e); } finally { // cleanup httpURLConnection.disconnect(); } } } }; job.setSystem(true); job.schedule(); } private static void logError(Exception e) { IdeLog.logInfo(UpdateUIActivator.getDefault(), e.getLocalizedMessage(), e); } /** * @return the version associated with com.aptana.ide.core.ui */ private static String getCoreUIVersion() { Version version = new Version(PluginUtils.getPluginVersion(CoreUIPlugin.getDefault())); return MessageFormat.format("{0}.{1}.{2}.{3}", version.getMajor(), version.getMinor(), //$NON-NLS-1$ version.getMicro(), version.getQualifier()); } private static String getCoreUIVersionDetailsString() { Version version = new Version(PluginUtils.getPluginVersion(CoreUIPlugin.getDefault())); return MessageFormat.format("coreui_major={0}&coreui_minor={1}&coreui_micro={2}&coreui_qualifier={3}", //$NON-NLS-1$ version.getMajor(), version.getMinor(), version.getMicro(), version.getQualifier()); } private static String getParamsString() { StringBuilder paramsString = new StringBuilder("?"); //$NON-NLS-1$ paramsString.append(getCoreUIVersionDetailsString()); paramsString.append("&appName=").append(getAppName()); //$NON-NLS-1$ paramsString.append("&osgi_framework=") //$NON-NLS-1$ .append(System.getProperty("osgi.framework.version")); //$NON-NLS-1$ paramsString.append("&os=").append(Platform.getOS()); //$NON-NLS-1$ paramsString.append("&arch=").append(Platform.getOSArch()); //$NON-NLS-1$ return paramsString.toString(); } private static String getAppName() { String commands = System.getProperty("eclipse.commands"); //$NON-NLS-1$ int indexOfNameArg = commands.indexOf("-name\n"); //$NON-NLS-1$ String subCommands = commands.substring(indexOfNameArg + 6); int indexOfNextNewline = subCommands.indexOf("\n"); //$NON-NLS-1$ String nameArg = subCommands.substring(0, indexOfNextNewline); return nameArg; } }