Java tutorial
/* * #%L * gitools-ui-app * %% * Copyright (C) 2013 Universitat Pompeu Fabra - Biomedical Genomics group * %% * This program 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. * * 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 General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/gpl-3.0.html>. * #L% */ package org.gitools.ui.app.welcome; import org.apache.commons.io.FilenameUtils; import org.apache.commons.io.IOUtils; import org.gitools.api.analysis.IProgressMonitor; import org.gitools.api.persistence.FileFormat; import org.gitools.heatmap.format.HeatmapFormat; import org.gitools.ui.app.actions.file.OpenFromFilesystemBrowseAction; import org.gitools.ui.app.actions.file.OpenFromGenomeSpaceAction; import org.gitools.ui.app.actions.help.ShortcutsAction; import org.gitools.ui.app.commands.CommandLoadFile; import org.gitools.ui.core.Application; import org.gitools.ui.core.components.editor.HtmlEditor; import org.gitools.ui.core.components.wizard.SaveFileWizard; import org.gitools.ui.core.utils.FileChoose; import org.gitools.ui.core.utils.FileChooserUtils; import org.gitools.ui.platform.dialog.ExceptionGlassPane; import org.gitools.ui.platform.progress.JobRunnable; import org.gitools.ui.platform.progress.JobThread; import org.gitools.ui.platform.settings.Settings; import org.gitools.ui.platform.wizard.WizardDialog; import org.gitools.utils.HttpUtils; import org.gitools.utils.progressmonitor.ProgressMonitorInputStream; import java.awt.event.ActionEvent; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.net.MalformedURLException; import java.net.URL; import java.net.URLConnection; import java.util.Map; public class WelcomeEditor extends HtmlEditor { private static final long serialVersionUID = 6851947500231401412L; public WelcomeEditor() { super("Welcome", getWelcomeURL()); } @Override protected void exception(Exception e) { ExceptionGlassPane.show(Application.get(), e); } @Override protected void performAction(String name, Map<String, String> params) { switch (name) { case "open": { switch (params.get("ref")) { case "filesystem": new OpenFromFilesystemBrowseAction().actionPerformed(new ActionEvent(this, 0, name)); break; case "genomespace": new OpenFromGenomeSpaceAction().actionPerformed(new ActionEvent(this, 0, name)); break; case "shortcuts": new ShortcutsAction().actionPerformed(new ActionEvent(this, 0, name)); break; } break; } case "reload": navigate(getWelcomeURL()); break; } } @Override protected void performSave(final String href) { final URL url; try { url = new URL(href); } catch (MalformedURLException e) { throw new UnsupportedOperationException("Invalid URL '" + href + "'"); } String fileName = FilenameUtils.getName(url.getFile()); final File file; if (fileName.endsWith(".heatmap.zip")) { fileName = fileName.replace(".heatmap.zip", ""); SaveFileWizard wiz = SaveFileWizard.createSimple("Save", fileName, Settings.get().getLastPath(), new FileFormat("Heatmap, single file (*.heatmap.zip)", HeatmapFormat.EXTENSION + ".zip", false, false)); WizardDialog dlg = new WizardDialog(Application.get(), wiz); dlg.setVisible(true); if (dlg.isCancelled()) { return; } file = wiz.getPathAsFile(); } else { FileChoose choose = FileChooserUtils.selectFile("Save file", Settings.get().getLastPath(), FileChooserUtils.MODE_SAVE); if (choose == null) { return; } file = choose.getFile(); } if (file != null) { JobThread.execute(Application.get(), new JobRunnable() { @Override public void run(IProgressMonitor monitor) { try { monitor.begin("Downloading file...", HttpUtils.getContentLength(url)); IOUtils.copy(new ProgressMonitorInputStream(monitor, url.openStream()), new FileOutputStream(file)); } catch (IOException e) { throw new UnsupportedOperationException("Error saving the file"); } } }); // Track event String baseName = FilenameUtils.getBaseName(href); Application.get().trackEvent("datasets", "save", baseName); } } @Override protected void performLoad(String href) { CommandLoadFile loadFile = new CommandLoadFile(href); // Execute JobThread.execute(Application.get(), loadFile); // Track event String baseName = FilenameUtils.getBaseName(href); Application.get().trackEvent("datasets", "load", baseName); } @Override public void doVisible() { } private static URL getWelcomeURL() { try { URL url = new URL(Settings.get().getWelcomeUrl() + "?appversion=" + Application.getGitoolsVersion().toString() + "&uuid=" + Settings.get().getUuid()); URLConnection connection = url.openConnection(); connection.setConnectTimeout(10000); if (connection.getContentLength() != -1) { return url; } } catch (MalformedURLException e) { } catch (IOException e) { } return WelcomeEditor.class.getResource("/html/welcome.html"); } }