1 files changed, 98 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..06d76dc8
--- /dev/null
+++ b/Dozentenmodul/src/main/java/ftp/UploadTask.java
@@ -0,0 +1,98 @@
+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;
+     
+    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;
+            int 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()) {
+            JOptionPane.showMessageDialog(null,
+                    "File has been uploaded successfully!", "Message",
+                    JOptionPane.INFORMATION_MESSAGE);
+        }
+    }  
+}
+\ No newline at end of file