package javafxreadtextfile; import java.io.File; import java.io.IOException; import java.nio.file.Files; import java.util.logging.Level; import java.util.logging.Logger; import javafx.application.Application; import javafx.event.ActionEvent; import javafx.event.EventHandler; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.layout.VBox; import javafx.stage.FileChooser; import javafx.stage.Stage; /** * * @web http://java-buddy.blogspot.com/ */ public class JavaFXReadTextFile extends Application { @Override public void start(Stage primaryStage) { Button btnLoad = new Button("Load"); btnLoad.setOnAction(btnLoadEventListener); VBox rootBox = new VBox(); rootBox.getChildren().add(btnLoad); Scene scene = new Scene(rootBox, 300, 300); primaryStage.setTitle("java-buddy.blogspot.com"); primaryStage.setScene(scene); primaryStage.show(); } EventHandler<ActionEvent> btnLoadEventListener = (ActionEvent event) -> { FileChooser fileChooser = new FileChooser(); fileChooser.getExtensionFilters() .addAll( new FileChooser.ExtensionFilter("TXT files (*.TXT)", "*.TXT"), new FileChooser.ExtensionFilter("txt files (*.txt)", "*.txt")); File file = fileChooser.showOpenDialog(null); if (file != null) { try { Files.lines(file.toPath()).forEach(System.out::println); } catch (IOException ex) { Logger.getLogger(JavaFXReadTextFile.class.getName()) .log(Level.SEVERE, null, ex); } } }; public static void main(String[] args) { launch(args); } }
Monday, December 28, 2015
Files.lines() read text file returned by JavaFX FileChooser
Example show how to read all lines from a file returned by JavaFX FileChooser, using Files.lines().
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