[client] some comments for UploadTask

1 files changed, 7 insertions, 2 deletions

diff --git a/dozentenmodul/src/main/java/ftp/UploadTask.java b/dozentenmodul/src/main/java/ftp/UploadTask.java
index 68af1f3c..e0c6db29 100644
--- a/dozentenmodul/src/main/java/ftp/UploadTask.java
+++ b/dozentenmodul/src/main/java/ftp/UploadTask.java
@@ -60,11 +60,15 @@ public class UploadTask extends SwingWorker<Void, Void> {
 			util.connect();
 			util.uploadFile(uploadFile, destDir);
 
-			FileInputStream inputStream = new FileInputStream(uploadFile);
+			// show filesize in the GUI
 			long fileSize = uploadFile.length();
 			Image.image.setFilesize(fileSize);
 			firePropertyChange("filesize", 0, fileSize);
 
+			// prepare input stream
+			FileInputStream inputStream = new FileInputStream(uploadFile);
+
+			// initialize the counters needed for speed calculations
 			percentCompleted = 0;
 			byte[] buffer = new byte[BUFFER_SIZE];
 			int bytesRead = -1;
@@ -88,11 +92,12 @@ public class UploadTask extends SwingWorker<Void, Void> {
 					currentBytes = 0;
 				}
 			}
+			// finalize the upload by updating the progress bar one last time
+			// (in case we didn't get to do it because of the time interval)
 			percentCompleted = (int) ((totalBytesRead * 100) / fileSize);
 			setProgress(percentCompleted);
 			firePropertyChange("bytesread", 0, totalBytesRead);
 			inputStream.close();
-
 			util.finish();
 		} catch (FTPException ex) {
 			JOptionPane.showMessageDialog(null,