package javafx_copyfile; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.util.logging.Level; import java.util.logging.Logger; import javafx.application.Application; import javafx.event.ActionEvent; import javafx.scene.Scene; import javafx.scene.control.Button; import javafx.scene.control.Label; import javafx.scene.layout.StackPane; import javafx.scene.layout.VBox; import javafx.stage.FileChooser; import javafx.stage.Stage; /** * * @web http://java-buddy.blogspot.com/ */ public class JavaFX_CopyFile extends Application { File srcFile, destFile; @Override public void start(Stage primaryStage) { FileChooser openFileChooser = new FileChooser(); FileChooser saveFileChooser = new FileChooser(); File openFile; File saveFile; Button btnOpenFile = new Button("Open File"); Label labelOpenFile = new Label(); Button btnSaveFile = new Button("Save File"); Label labelSaveFile = new Label(); Button btnCopyFile = new Button("Copy File..."); btnOpenFile.setOnAction((ActionEvent event) -> { File file = openFileChooser.showOpenDialog(null); if (file != null) { srcFile = file; labelOpenFile.setText(srcFile.getName()); } }); btnSaveFile.setOnAction((ActionEvent event) -> { File file = openFileChooser.showSaveDialog(null); if (file != null) { destFile = file; labelSaveFile.setText(destFile.getName()); } }); btnCopyFile.setOnAction((ActionEvent event) -> { if (srcFile != null && destFile != null) { copyFile(srcFile, destFile); } }); VBox vBox = new VBox(); vBox.getChildren().addAll(btnOpenFile, labelOpenFile, btnSaveFile, labelSaveFile, btnCopyFile); StackPane root = new StackPane(); root.getChildren().add(vBox); Scene scene = new Scene(root, 300, 250); primaryStage.setTitle("Hello World!"); primaryStage.setScene(scene); primaryStage.show(); } public static void main(String[] args) { launch(args); } private void copyFile(File src, File dest) { InputStream inputStream = null; OutputStream outputStream = null; int len; byte buffer[] = new byte[512]; try { inputStream = new FileInputStream(src); outputStream = new FileOutputStream(dest); while ((len = inputStream.read(buffer)) != -1) { outputStream.write(buffer, 0, len); } } catch (FileNotFoundException ex) { Logger.getLogger(JavaFX_CopyFile.class.getName()) .log(Level.SEVERE, null, ex); } catch (IOException ex) { Logger.getLogger(JavaFX_CopyFile.class.getName()) .log(Level.SEVERE, null, ex); } finally { try { if(inputStream != null){ inputStream.close(); } if(outputStream != null){ outputStream.close(); } } catch (IOException ex) { Logger.getLogger(JavaFX_CopyFile.class.getName()) .log(Level.SEVERE, null, ex); } } } }
Saturday, January 24, 2015
Java example to copy file
This example show copy file in Java, with JavaFX interface.
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