oops

1 files changed, 108 insertions, 0 deletions

diff --git a/dozentenmodul/src/main/java/ftp/UploadTask.java b/dozentenmodul/src/main/java/ftp/UploadTask.java
new file mode 100644
index 00000000..e7ebe43b
--- /dev/null
+++ b/dozentenmodul/src/main/java/ftp/UploadTask.java
@@ -0,0 +1,108 @@
+package ftp;
+
+import java.io.File;
+import java.io.FileInputStream;
+
+import javax.swing.JOptionPane;
+import javax.swing.SwingWorker;
+
+import models.Image;
+
+/**
+ * Executes the file upload in a background thread and updates progress to
+ * listeners that implement the java.beans.PropertyChangeListener interface.
+ * 
+ * @author www.codejava.net
+ * 
+ */
+public class UploadTask extends SwingWorker<Void, Void> {
+	private static final int BUFFER_SIZE = 4096;
+
+	private String host;
+	private int port;
+	private String username;
+	private String password;
+	private String destDir;
+	private File uploadFile;
+	private int percentCompleted;
+
+	public UploadTask(String host, int port, String username, String password,
+			String destDir, File uploadFile) {
+		this.host = host;
+		this.port = port;
+		this.username = username;
+		this.password = password;
+		this.destDir = destDir;
+		this.uploadFile = uploadFile;
+
+	}
+
+	/**
+	 * Executed in background thread
+	 */
+	@Override
+	protected Void doInBackground() throws Exception {
+		FTPUtility util = new FTPUtility(host, port, username, password);
+		try {
+			util.connect();
+			util.uploadFile(uploadFile, destDir);
+
+			FileInputStream inputStream = new FileInputStream(uploadFile);
+			byte[] buffer = new byte[BUFFER_SIZE];
+			int bytesRead = -1;
+			int i = 0;
+			long totalBytesRead = 0;
+			percentCompleted = 0;
+			long fileSize = uploadFile.length();
+			Image.image.setFilesize(fileSize);
+			long start = System.nanoTime();
+			final double NANOS_PER_SECOND = 1000000000.0;
+			final double BYTES_PER_MIB = 1024 * 1024;
+			while ((bytesRead = inputStream.read(buffer)) != -1
+					&& isCancelled() == false) {
+				util.writeFileBytes(buffer, 0, bytesRead);
+				totalBytesRead += bytesRead;
+				percentCompleted = (int) (totalBytesRead * 100 / fileSize);
+				double speed = NANOS_PER_SECOND / BYTES_PER_MIB
+						* totalBytesRead / (System.nanoTime() - start + 1);
+				setProgress(percentCompleted);
+				firePropertyChange("speed", 0, speed);
+				firePropertyChange("filesize", 0, fileSize);
+				firePropertyChange("bytesread", 0, totalBytesRead);
+			}
+
+			inputStream.close();
+
+			util.finish();
+		} catch (FTPException ex) {
+			JOptionPane.showMessageDialog(null,
+					"Error uploading file: " + ex.getMessage(), "Error",
+					JOptionPane.ERROR_MESSAGE);
+			ex.printStackTrace();
+			setProgress(0);
+			cancel(true);
+		} finally {
+			util.disconnect();
+		}
+
+		return null;
+	}
+
+	/**
+	 * Executed in Swing's event dispatching thread
+	 */
+	@Override
+	protected void done() {
+		if (!isCancelled() && percentCompleted==100) {
+			System.out.println("Datei erfolgreich hochgeladen");
+			JOptionPane.showMessageDialog(null,
+					"Datei erfolgreich hochgeladen.", "Message",
+					JOptionPane.INFORMATION_MESSAGE);
+		} else if(!isCancelled() && percentCompleted != 100){
+			System.out.println("Datein wurde unvollständig hochgeladen");
+			JOptionPane.showMessageDialog(null,
+					"Datei wurde unvollständig hochgeladen. Bitte wiederholen.", "Message",
+					JOptionPane.INFORMATION_MESSAGE);
+		}
+	}
+}
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