Java tutorial
package org.ado.biblio.desktop.update; import javafx.fxml.FXML; import javafx.fxml.Initializable; import javafx.scene.Scene; import javafx.scene.control.Label; import javafx.scene.control.TextArea; import javafx.stage.Modality; import javafx.stage.Stage; import org.ado.biblio.desktop.util.FileSizeConverter; import org.ado.biblio.update.Artifact; import org.ado.biblio.update.ComponentEnum; import org.ado.biblio.update.Release; import org.apache.commons.io.FileUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.IOException; import java.net.URL; import java.util.ResourceBundle; /* * The MIT License (MIT) * * Copyright (c) 2015 Andoni del Olmo * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ /** * @author Andoni del Olmo, * @since 26.01.15 */ public class UpdatePresenter implements Initializable { private final Logger LOGGER = LoggerFactory.getLogger(UpdatePresenter.class); @FXML private Label labelVersion; @FXML private Label labelSize; @FXML private TextArea textAreaReleaseNotes; private Stage stage; private Release release; @Override public void initialize(URL location, ResourceBundle resources) { } public void setStage(Stage stage) { this.stage = stage; } public void setRelease(Release release) { this.release = release; labelVersion.setText(release.getName()); labelSize.setText(getArtifactSize(release)); textAreaReleaseNotes.setText(release.getReleaseNotes()); } public void download() throws IOException { LOGGER.info("download"); final Artifact artifact = release.getArtifactUrl().get(ComponentEnum.DESKTOP_CLIENT); final Stage stage = new Stage(); final DownloadView updateView = new DownloadView(); final DownloadPresenter presenter = (DownloadPresenter) updateView.getPresenter(); presenter.process(stage, artifact); stage.initModality(Modality.APPLICATION_MODAL); stage.setScene(new Scene(updateView.getView())); stage.setTitle("Update"); stage.show(); this.stage.close(); } public void close() { LOGGER.info("close"); stage.close(); } private String getArtifactSize(Release release) { final long artifactSize = release.getArtifactUrl().get(ComponentEnum.DESKTOP_CLIENT).getSize(); return FileSizeConverter.getSize(artifactSize, getSizeUnit(artifactSize)); } private FileSizeConverter.SizeUnit getSizeUnit(long artifactSize) { if (artifactSize > FileUtils.ONE_MB) { return FileSizeConverter.SizeUnit.MB; } else { return FileSizeConverter.SizeUnit.KB; } } }