ThriftManager class: use getSatClient() and getMasterClient() to get the singleton instances of the thrift clients to satellite and master servers

DO NOT CREATE NEW THRIFT OBJECTS!!!
author: Jonathan Bauer 2015-03-02 13:22:44 +0100
committer: Jonathan Bauer 2015-03-02 13:22:44 +0100
commit: ea9f9848a6e7a68dc90decc2e38bd3e1081ebf8a (patch)
tree: 1e252164aa23b6b74d30c6185fda06ceddcd6041 /dozentenmodul
parent: pom.xml (diff)
download: tutor-module-ea9f9848a6e7a68dc90decc2e38bd3e1081ebf8a.tar.gz
tutor-module-ea9f9848a6e7a68dc90decc2e38bd3e1081ebf8a.tar.xz
tutor-module-ea9f9848a6e7a68dc90decc2e38bd3e1081ebf8a.zip
28 files changed, 371 insertions, 553 deletions
diff --git a/dozentenmodul/src/main/java/auth/Authentification.java b/dozentenmodul/src/main/java/auth/Authentification.java
index d242c01e..d7a195f7 100644
--- a/dozentenmodul/src/main/java/auth/Authentification.java
+++ b/dozentenmodul/src/main/java/auth/Authentification.java
@@ -1,6 +1,5 @@
 package auth;
 
-import org.openslx.imagemaster.thrift.iface.UserInfo;
 
 public class Authentification {
 
diff --git a/dozentenmodul/src/main/java/ftp/DownloadTask.java b/dozentenmodul/src/main/java/ftp/DownloadTask.java
index bb81ab51..63335f46 100644
--- a/dozentenmodul/src/main/java/ftp/DownloadTask.java
+++ b/dozentenmodul/src/main/java/ftp/DownloadTask.java
@@ -5,7 +5,6 @@ import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
-import java.io.FileReader;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -22,7 +21,6 @@ import org.apache.commons.io.FileUtils;
 import org.apache.log4j.Logger;
 import org.apache.thrift.TException;
 
-import config.Config;
 import util.ResourceLoader;
 
 /**
diff --git a/dozentenmodul/src/main/java/gui/image/CreateImageTechnisch_GUI.java b/dozentenmodul/src/main/java/gui/image/CreateImageTechnisch_GUI.java
index 42e98c4f..ac90c518 100644
--- a/dozentenmodul/src/main/java/gui/image/CreateImageTechnisch_GUI.java
+++ b/dozentenmodul/src/main/java/gui/image/CreateImageTechnisch_GUI.java
@@ -46,9 +46,8 @@ import models.person;
 
 import org.apache.log4j.Logger;
 import org.apache.thrift.TException;
-import org.openslx.sat.thrift.iface.Server.Client;
 
-import thrift.ThriftConnection;
+import thrift.ThriftManager;
 import util.OpenLinks;
 
 @SuppressWarnings("serial")
@@ -66,8 +65,6 @@ public class CreateImageTechnisch_GUI extends JFrame {
 	private JCheckBox chckbxIsLicensed;
 	private JCheckBox chckbxIsInternetBlocked;
 	JComboBox<String> comboBox;
-	ThriftConnection con = new ThriftConnection();
-	Client client = models.Client.clientcon.getClient();
 	Component c = null;
 	private static final String HELP_MESSAGE =	"<html><div align = \"center\">" +
 											   	"Geben Sie hier bitte einige technische Daten an, die dann mit dem Image angezeigt werden.<br />" +
@@ -85,7 +82,7 @@ public class CreateImageTechnisch_GUI extends JFrame {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
 				try {
-					client.setSessionInvalid(SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 				} catch (TException e1) {
 					// TODO Auto-generated catch block
 					e1.printStackTrace();
@@ -202,7 +199,7 @@ public class CreateImageTechnisch_GUI extends JFrame {
 		});
 		List<String> os = null;
 		try {
-			os = client.getAllOS(SessionData.session.getAuthToken());
+			os = ThriftManager.getSatClient().getAllOS(SessionData.session.getAuthToken());
 			for(int i=0; i<os.size();i++){
 				comboBox.addItem(os.get(i).toString());
 			}
diff --git a/dozentenmodul/src/main/java/gui/image/DeleteImage_GUI.java b/dozentenmodul/src/main/java/gui/image/DeleteImage_GUI.java
index 44e86aae..c6dc58c9 100644
--- a/dozentenmodul/src/main/java/gui/image/DeleteImage_GUI.java
+++ b/dozentenmodul/src/main/java/gui/image/DeleteImage_GUI.java
@@ -61,9 +61,8 @@ import models.person;
 import org.apache.log4j.Logger;
 import org.apache.thrift.TException;
 import org.openslx.sat.thrift.iface.Image;
-import org.openslx.sat.thrift.iface.Server.Client;
 
-import thrift.ThriftConnection;
+import thrift.ThriftManager;
 import util.OpenLinks;
 
 @SuppressWarnings("serial")
@@ -116,9 +115,6 @@ public class DeleteImage_GUI extends JFrame {
 			+ "Wird das Image nach dem Löschen nochmal benötigt, muss es erneut hochgeladen werden."
 			+ "</div></html>";
 
-	ThriftConnection con = new ThriftConnection();
-	Client client = models.Client.clientcon.getClient();
-
 	final DefaultTableModel modelMyImages = new DefaultTableModel(titles, 0) {
 		public boolean isCellEditable(int rowIndex, int mColIndex) {
 			return false;
@@ -145,9 +141,8 @@ public class DeleteImage_GUI extends JFrame {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
 				// Beendet die Anwendung nach klick auf X
-				con.closeThriftConnection();
 				try {
-					client.setSessionInvalid(SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 				} catch (TException e) {
 					// TODO Auto-generated catch block
 					e.printStackTrace();
@@ -298,7 +293,7 @@ public class DeleteImage_GUI extends JFrame {
 		try {
 			// Holt sich eine Liste aller verfügbaren Betriebssysteme vom
 			// Server
-			List<String> list = client.getAllOS(SessionData.session
+			List<String> list = ThriftManager.getSatClient().getAllOS(SessionData.session
 					.getAuthToken());
 			// Leeres Item hinzufuegen
 			comboBox.addItem("");
@@ -352,12 +347,6 @@ public class DeleteImage_GUI extends JFrame {
 		lblHauptmen.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mouseClicked(MouseEvent arg0) {
-
-				// oeffnet das Hauuetmenue
-				con.closeThriftConnection();
-
-				// oeffnet das Hauuetmenue
-
 				DeleteImage_GUI.this.setVisible(false);
 				MainMenue_GUI main = new MainMenue_GUI(c);
 				main.setVisible(true);
@@ -418,17 +407,17 @@ public class DeleteImage_GUI extends JFrame {
 						// Unbdingt abfragen!
 
 						try {
-							if (!client.connectedToLecture(imageid,
+							if (!ThriftManager.getSatClient().connectedToLecture(imageid,
 									imageversion,
 									SessionData.session.getAuthToken())) {
 								try {
 
 									//  try to delete file from file system
-									if (client.deleteImageServer(imageid,
+									if (ThriftManager.getSatClient().deleteImageServer(imageid,
 											imageversion,
 											SessionData.session.getAuthToken()) == true) {
 										// successful, now delete file from DB
-										if (client.deleteImageData(imageid,
+										if (ThriftManager.getSatClient().deleteImageData(imageid,
 												imageversion,
 												SessionData.session
 														.getAuthToken())) {
@@ -566,12 +555,6 @@ public class DeleteImage_GUI extends JFrame {
 				JButton okButton = new JButton("Zurück");
 				okButton.addActionListener(new ActionListener() {
 					public void actionPerformed(ActionEvent e) {
-
-						// oeffnet das Hauptmenü
-						con.closeThriftConnection();
-
-						// oeffnet das Hauptmenue
-
 						MainMenue_GUI main = new MainMenue_GUI(c);
 						main.setVisible(true);
 						dispose();
@@ -791,11 +774,11 @@ public class DeleteImage_GUI extends JFrame {
 			// Hole eine Liste der Images
 			if (person.verantwortlicher.getRole() == "Admin") {
 				// get complete list
-				images = client.getImageList(person.verantwortlicher
+				images = ThriftManager.getSatClient().getImageList(person.verantwortlicher
 						.getUserID(),SessionData.session.getAuthToken());
 			} else {
 				// get permitted list
-				images = client.getImageListPermissionAdmin(
+				images = ThriftManager.getSatClient().getImageListPermissionAdmin(
 						person.verantwortlicher.getUserID(),
 						SessionData.session.getAuthToken());
 			}
@@ -867,7 +850,7 @@ public class DeleteImage_GUI extends JFrame {
 		try {
 			SimpleDateFormat in = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 			SimpleDateFormat out = new SimpleDateFormat("dd.MM.yyyy HH:mm:ss");
-			Map<String, String> res = client.getImageData(id, version,
+			Map<String, String> res = ThriftManager.getSatClient().getImageData(id, version,
 					SessionData.session.getAuthToken());
 			labelName.setText(res.get("name"));
 			labelOS.setText(res.get("os"));
diff --git a/dozentenmodul/src/main/java/gui/image/EditImageAllgemein_GUI.java b/dozentenmodul/src/main/java/gui/image/EditImageAllgemein_GUI.java
index 1dfd8191..57406817 100644
--- a/dozentenmodul/src/main/java/gui/image/EditImageAllgemein_GUI.java
+++ b/dozentenmodul/src/main/java/gui/image/EditImageAllgemein_GUI.java
@@ -43,9 +43,8 @@ import models.SessionData;
 import models.person;
 
 import org.apache.thrift.TException;
-import org.openslx.sat.thrift.iface.Server.Client;
 
-import thrift.ThriftConnection;
+import thrift.ThriftManager;
 import util.OpenLinks;
 
 @SuppressWarnings("serial")
@@ -59,8 +58,6 @@ public class EditImageAllgemein_GUI extends JFrame {
 	private JTextField EMail;
 	private JTextField imagename;
 	private JTextArea textAreadesc;
-	ThriftConnection con = new ThriftConnection();
-	Client client = models.Client.clientcon.getClient();
 	private JPanel panel_2;
 	private JLabel lblNewLabel;
 	private JTextPane txtpnBitteWhlenSie;
@@ -86,9 +83,8 @@ public class EditImageAllgemein_GUI extends JFrame {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
 				// Beendet die Anwendung bei einem Klick auf das X
-				con.closeThriftConnection();
 				try {
-					client.setSessionInvalid(SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 				} catch (TException e) {
 					// TODO Auto-generated catch block
 					e.printStackTrace();
@@ -433,7 +429,8 @@ public class EditImageAllgemein_GUI extends JFrame {
 	public void initData() {
 		try {
 
-			Map<String, String> map = client.getImageData(Image.image.getImageId(), Image.image.getVersion(),SessionData.session.getAuthToken());
+			Map<String, String> map = ThriftManager.getSatClient().getImageData(
+					Image.image.getImageId(), Image.image.getVersion(),SessionData.session.getAuthToken());
 			
 			if (map.get("internet").equals("0")) {
 				Image.image.setInternet(false);
diff --git a/dozentenmodul/src/main/java/gui/image/EditImageTechnisch_GUI.java b/dozentenmodul/src/main/java/gui/image/EditImageTechnisch_GUI.java
index 6895f6c1..679b3c62 100644
--- a/dozentenmodul/src/main/java/gui/image/EditImageTechnisch_GUI.java
+++ b/dozentenmodul/src/main/java/gui/image/EditImageTechnisch_GUI.java
@@ -45,9 +45,8 @@ import models.person;
 
 import org.apache.log4j.Logger;
 import org.apache.thrift.TException;
-import org.openslx.sat.thrift.iface.Server.Client;
 
-import thrift.ThriftConnection;
+import thrift.ThriftManager;
 import util.OpenLinks;
 
 @SuppressWarnings("serial")
@@ -65,8 +64,6 @@ public class EditImageTechnisch_GUI extends JFrame {
 	private JCheckBox chckbxIsLicensed;
 	private JCheckBox chckbxIsInternetBlocked;
 	JComboBox<String> comboBox;
-	ThriftConnection con = new ThriftConnection();
-	Client client = models.Client.clientcon.getClient();
 	Component c = null;
 	private static final String HELP_MESSAGE =	"<html><div align = \"center\">" +
 		   	"Bearbeiten Sie hier die technischen Angaben zu Ihrem Image, die Sie beim Erzeugen des Images hinterlegt haben.<br />" +
@@ -83,7 +80,7 @@ public class EditImageTechnisch_GUI extends JFrame {
 			public void windowClosing(WindowEvent arg0) {
 				// Beendet die Anwendung bei Klick auf das X
 				try {
-					client.setSessionInvalid(SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 				} catch (TException e) {
 					// TODO Auto-generated catch block
 					e.printStackTrace();
@@ -200,7 +197,7 @@ public class EditImageTechnisch_GUI extends JFrame {
 		
 		List<String> os = null;
 		try {
-			os=client.getAllOS(SessionData.session.getAuthToken());
+			os=ThriftManager.getSatClient().getAllOS(SessionData.session.getAuthToken());
 			for(int i=0;i<os.size();i++) {
 				comboBox.addItem(os.get(i).toString());
 			}
@@ -218,7 +215,7 @@ public class EditImageTechnisch_GUI extends JFrame {
 		panel_1.add(comboBox);
 		
 		try {
-			comboBox.setSelectedItem(client.getOsNameForGuestOs(Image.image.getOS(),SessionData.session.getAuthToken()));
+			comboBox.setSelectedItem(ThriftManager.getSatClient().getOsNameForGuestOs(Image.image.getOS(),SessionData.session.getAuthToken()));
 		} catch (TException e1) 
 		{
 			// TODO Auto-generated catch block
@@ -381,7 +378,7 @@ public class EditImageTechnisch_GUI extends JFrame {
 						
 						try {
 							//check if user may change permissions and choose window
-							if(client.userIsImageAdmin(Image.image.getImageId(),SessionData.session.getAuthToken(), person.verantwortlicher.getUserID()) == true || (person.verantwortlicher.getRole().equals("Admin"))) {
+							if(ThriftManager.getSatClient().userIsImageAdmin(Image.image.getImageId(),SessionData.session.getAuthToken(), person.verantwortlicher.getUserID()) == true || (person.verantwortlicher.getRole().equals("Admin"))) {
 								//user has permission, go to permission GUI
 								PermissionEditImage_GUI ea=new PermissionEditImage_GUI(c);
 								ea.setVisible(true);
diff --git a/dozentenmodul/src/main/java/gui/image/FTPCreateUploader_GUI.java b/dozentenmodul/src/main/java/gui/image/FTPCreateUploader_GUI.java
index a2247b97..d201d3b7 100644
--- a/dozentenmodul/src/main/java/gui/image/FTPCreateUploader_GUI.java
+++ b/dozentenmodul/src/main/java/gui/image/FTPCreateUploader_GUI.java
@@ -47,10 +47,9 @@ import models.person;
 
 import org.apache.log4j.Logger;
 import org.apache.thrift.TException;
-import org.openslx.sat.thrift.iface.Server.Client;
 import org.openslx.sat.thrift.iface.User;
 
-import thrift.ThriftConnection;
+import thrift.ThriftManager;
 import util.OpenLinks;
 import config.Config;
 import ftp.UploadTask;
@@ -91,8 +90,6 @@ public class FTPCreateUploader_GUI extends JFrame implements
 	double speed;
 	long bytesread;
 	boolean taskrun = false;
-	ThriftConnection con = new ThriftConnection();
-	Client client = models.Client.clientcon.getClient();
 	JButton btnFinish = new JButton("Fertigstellen");
 	JButton btnUploadStarten = new JButton("Upload auf Server starten");
 	JButton btnZurck = new JButton("Zurück");
@@ -120,7 +117,7 @@ public class FTPCreateUploader_GUI extends JFrame implements
 
 		try {
 
-			uuid = client.createRandomUUID(SessionData.session.getAuthToken());
+			uuid = ThriftManager.getSatClient().createRandomUUID(SessionData.session.getAuthToken());
 
 		} catch (TException e1) {
 
@@ -145,16 +142,15 @@ public class FTPCreateUploader_GUI extends JFrame implements
 					// 0=beenden, 1=abbrechen
 					if (choice == 0) {
 						try {
-							client.DeleteFtpUser(user.userName,
+							ThriftManager.getSatClient().DeleteFtpUser(user.userName,
 									SessionData.session.getAuthToken());
 						} catch (TException e1) {
 
 							e1.printStackTrace();
 						}
 						task.cancel(true);
-						con.closeThriftConnection();
 						try {
-							client.setSessionInvalid(SessionData.session
+							ThriftManager.getSatClient().setSessionInvalid(SessionData.session
 									.getAuthToken());
 						} catch (TException e) {
 							// TODO Auto-generated catch block
@@ -166,7 +162,7 @@ public class FTPCreateUploader_GUI extends JFrame implements
 					// no upload running, close window
 
 					try {
-						client.setSessionInvalid(SessionData.session
+						ThriftManager.getSatClient().setSessionInvalid(SessionData.session
 								.getAuthToken());
 					} catch (TException e) {
 						// TODO Auto-generated catch block
@@ -401,7 +397,7 @@ public class FTPCreateUploader_GUI extends JFrame implements
 
 				isAborted = true; // set flag
 				try {
-					client.DeleteFtpUser(user.userName,
+					ThriftManager.getSatClient().DeleteFtpUser(user.userName,
 							SessionData.session.getAuthToken());
 					LOGGER.info("Deleted FTP user.");
 				} catch (TException e1) {
@@ -470,7 +466,7 @@ public class FTPCreateUploader_GUI extends JFrame implements
 
 						if (taskrun == true) {
 							try {
-								client.DeleteFtpUser(user.userName,
+								ThriftManager.getSatClient().DeleteFtpUser(user.userName,
 										SessionData.session.getAuthToken());
 
 							} catch (TException e1) {
@@ -528,7 +524,7 @@ public class FTPCreateUploader_GUI extends JFrame implements
 							// 0=beenden, 1=abbrechen
 							if (choice == 0) {
 								try {
-									client.DeleteFtpUser(user.userName,
+									ThriftManager.getSatClient().DeleteFtpUser(user.userName,
 											SessionData.session.getAuthToken());
 								} catch (TException e1) {
 
@@ -642,7 +638,7 @@ public class FTPCreateUploader_GUI extends JFrame implements
 
 		try {
 			LOGGER.info("Getting FTP User...");
-			user = client.getFtpUser(SessionData.session.getAuthToken());
+			user = ThriftManager.getSatClient().getFtpUser(SessionData.session.getAuthToken());
 			LOGGER.info("Received FTP user.");
 			// LOGGER.debug("FTP name: " + user.userName);
 			// LOGGER.debug("FTP path: " + user.path);
@@ -737,7 +733,7 @@ public class FTPCreateUploader_GUI extends JFrame implements
 
 		try {
 
-			client.writeVLdata(Image.image.getImagename(),
+			ThriftManager.getSatClient().writeVLdata(Image.image.getImagename(),
 					Image.image.getDesc(), person.verantwortlicher.getTel(),
 					person.verantwortlicher.getFakultaet(),
 					Image.image.isLicensed(), Image.image.isInternet(),
@@ -750,10 +746,10 @@ public class FTPCreateUploader_GUI extends JFrame implements
 
 			// System.out.println("userID is: "+person.verantwortlicher.getUserID());
 			System.out.println("starting file copy...");
-			client.startFileCopy(Image.image.getNewName(),
+			ThriftManager.getSatClient().startFileCopy(Image.image.getNewName(),
 					SessionData.session.getAuthToken());
 
-			client.writeImageRights(uuid, SessionData.session.getAuthToken(),
+			ThriftManager.getSatClient().writeImageRights(uuid, SessionData.session.getAuthToken(),
 					person.verantwortlicher.getRole(),
 					person.verantwortlicher.getHochschule(),
 					person.verantwortlicher.getUserID());
@@ -761,7 +757,7 @@ public class FTPCreateUploader_GUI extends JFrame implements
 			for (int i = 0; i < RightsManagement.rightsManagement
 					.getPermittedUserList().size(); i++) {
 				// System.out.println("Writing additional rights for user "+RightsManagement.rightsManagement.getPermittedUserList().get(i).getUserID()+", User "+i+"/"+RightsManagement.rightsManagement.getPermittedUserList().size());
-				client.writeAdditionalImageRights(uuid,
+				ThriftManager.getSatClient().writeAdditionalImageRights(uuid,
 						RightsManagement.rightsManagement
 								.getPermittedUserList().get(i).getUserID(),
 						RightsManagement.rightsManagement
diff --git a/dozentenmodul/src/main/java/gui/image/FTPEditDownloader_GUI.java b/dozentenmodul/src/main/java/gui/image/FTPEditDownloader_GUI.java
index d190c50f..6db115fb 100644
--- a/dozentenmodul/src/main/java/gui/image/FTPEditDownloader_GUI.java
+++ b/dozentenmodul/src/main/java/gui/image/FTPEditDownloader_GUI.java
@@ -42,10 +42,9 @@ import models.person;
 
 import org.apache.log4j.Logger;
 import org.apache.thrift.TException;
-import org.openslx.sat.thrift.iface.Server.Client;
 import org.openslx.sat.thrift.iface.User;
 
-import thrift.ThriftConnection;
+import thrift.ThriftManager;
 import util.OpenLinks;
 import config.Config;
 import ftp.DownloadTask;
@@ -84,8 +83,6 @@ public class FTPEditDownloader_GUI extends JFrame implements
 	long bytesread;
 	JLabel lblZeit;
 	boolean taskrun = false;
-	ThriftConnection con = new ThriftConnection();
-	Client client = models.Client.clientcon.getClient();
 	JButton btnZurck = new JButton("Zurück");
 	JButton btnDownloadStarten = new JButton("Download starten");
 	JButton btnDownloadStoppen = new JButton("Download abbrechen");
@@ -123,10 +120,9 @@ public class FTPEditDownloader_GUI extends JFrame implements
 					// 0=beenden, 1=abbrechen
 					if (choice == 0) {
 						try {
-							client.DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
-							con.closeThriftConnection();
+							ThriftManager.getSatClient().DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
 							try {
-								client.setSessionInvalid(SessionData.session.getAuthToken());
+								ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 							} catch (TException e1) {
 								// TODO Auto-generated catch block
 								e1.printStackTrace();
@@ -141,7 +137,7 @@ public class FTPEditDownloader_GUI extends JFrame implements
 				} else {
 					// no download running, close window
 					try {
-						client.setSessionInvalid(SessionData.session.getAuthToken());
+						ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 					} catch (TException e1) {
 						// TODO Auto-generated catch block
 						e1.printStackTrace();
@@ -426,7 +422,7 @@ public class FTPEditDownloader_GUI extends JFrame implements
 
 				isAborted = true; // set flag
 				try {
-					client.DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
 					LOGGER.info("FTP user deleted.");
 				} catch (TException e1) {
 					
@@ -465,7 +461,7 @@ public class FTPEditDownloader_GUI extends JFrame implements
 							if (choice == 0) {
 								task.cancel(true);
 								try {
-									client.DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
+									ThriftManager.getSatClient().DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
 								} catch (TException e1) {
 									
 									e1.printStackTrace();
@@ -527,11 +523,11 @@ public class FTPEditDownloader_GUI extends JFrame implements
 												// Klick
 		btnDownloadStarten.setText("Bitte warten");
 		try {
-			user = client.getFtpUser(SessionData.session.getAuthToken());
+			user = ThriftManager.getSatClient().getFtpUser(SessionData.session.getAuthToken());
 
 			downloadFile = user.path
 					+ "/"
-					+ client.getPathOfImage(Image.image.getImageId(),
+					+ ThriftManager.getSatClient().getPathOfImage(Image.image.getImageId(),
 							Image.image.getVersion(),SessionData.session.getAuthToken());
 
 		} catch (TException e) {
diff --git a/dozentenmodul/src/main/java/gui/image/FTPEditUploader_GUI.java b/dozentenmodul/src/main/java/gui/image/FTPEditUploader_GUI.java
index a8c2424c..231fd82f 100644
--- a/dozentenmodul/src/main/java/gui/image/FTPEditUploader_GUI.java
+++ b/dozentenmodul/src/main/java/gui/image/FTPEditUploader_GUI.java
@@ -47,10 +47,9 @@ import models.person;
 
 import org.apache.log4j.Logger;
 import org.apache.thrift.TException;
-import org.openslx.sat.thrift.iface.Server.Client;
 import org.openslx.sat.thrift.iface.User;
 
-import thrift.ThriftConnection;
+import thrift.ThriftManager;
 import util.OpenLinks;
 import config.Config;
 import ftp.UploadTask;
@@ -91,8 +90,6 @@ public class FTPEditUploader_GUI extends JFrame implements
 	boolean fileupload = false;
 	boolean taskrun = false;
 	int progress = 0;
-	ThriftConnection con = new ThriftConnection();
-	Client client = models.Client.clientcon.getClient();
 	JButton btnUploadStarten = new JButton("Upload auf Server starten");
 	JButton btnSpeicherortAuswhlen = new JButton("Image auswählen");
 	JButton btnFinish = new JButton("Fertigstellen");
@@ -135,20 +132,19 @@ public class FTPEditUploader_GUI extends JFrame implements
 					// 0=beenden, 1=abbrechen
 					if (choice == 0) {
 						try {
-							client.DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
+							ThriftManager.getSatClient().DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
 						} catch (TException e1) {
 							e1.printStackTrace();
 						}
 						task.cancel(true);
 						try {
-							client.setSessionInvalid(SessionData.session.getAuthToken());
+							ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 						} catch (TException e) {
 							// TODO Auto-generated catch block
 							e.printStackTrace();
 						}
-						con.closeThriftConnection();
 						try {
-							client.setSessionInvalid(SessionData.session.getAuthToken());
+							ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 						} catch (TException e) {
 							// TODO Auto-generated catch block
 							e.printStackTrace();
@@ -158,7 +154,7 @@ public class FTPEditUploader_GUI extends JFrame implements
 				} else {
 					// no upload running, close window
 					try {
-						client.setSessionInvalid(SessionData.session.getAuthToken());
+						ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 					} catch (TException e) {
 						// TODO Auto-generated catch block
 						e.printStackTrace();
@@ -375,7 +371,7 @@ public class FTPEditUploader_GUI extends JFrame implements
 
 				isAborted = true; // set flag
 				try {
-					client.DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
 					LOGGER.info("FTP user deleted.");
 				} catch (TException e1) {
 					e1.printStackTrace();
@@ -449,7 +445,7 @@ public class FTPEditUploader_GUI extends JFrame implements
 
 						if (taskrun == true) {
 							try {
-								client.DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
+								ThriftManager.getSatClient().DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
 
 							} catch (TException e1) {
 								e1.printStackTrace();
@@ -479,7 +475,7 @@ public class FTPEditUploader_GUI extends JFrame implements
 							// 0=beenden, 1=abbrechen
 							if (choice == 0) {
 								try {
-									client.DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
+									ThriftManager.getSatClient().DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
 								} catch (TException e1) {
 									e1.printStackTrace();
 								}
@@ -488,7 +484,7 @@ public class FTPEditUploader_GUI extends JFrame implements
 								
 								try {
 
-									if(client.userIsImageAdmin(Image.image.getImageId(), SessionData.session.getAuthToken(),person.verantwortlicher.getUserID()) == true || person.verantwortlicher.getRole().equals("Admin")){
+									if(ThriftManager.getSatClient().userIsImageAdmin(Image.image.getImageId(), SessionData.session.getAuthToken(),person.verantwortlicher.getUserID()) == true || person.verantwortlicher.getRole().equals("Admin")){
 
 										//user is admin and may change permissions
 										PermissionEditImage_GUI ei = new PermissionEditImage_GUI(c);
@@ -519,7 +515,7 @@ public class FTPEditUploader_GUI extends JFrame implements
 								try {
 									System.out.println("userID in editimageuploader is : "+person.verantwortlicher.getUserID());
 									
-									if(client.userIsImageAdmin(Image.image.getImageId(), SessionData.session.getAuthToken(),person.verantwortlicher.getUserID()) == true)
+									if(ThriftManager.getSatClient().userIsImageAdmin(Image.image.getImageId(), SessionData.session.getAuthToken(),person.verantwortlicher.getUserID()) == true)
 									{
 										//user is admin and may change permissions
 										PermissionEditImage_GUI ei = new PermissionEditImage_GUI(c);
@@ -624,7 +620,7 @@ public class FTPEditUploader_GUI extends JFrame implements
 
 		try {
 			//LOGGER.info("Getting FTP-User...");
-			user = client.getFtpUser(SessionData.session.getAuthToken());
+			user = ThriftManager.getSatClient().getFtpUser(SessionData.session.getAuthToken());
 			LOGGER.info("Received FTP user.");
 			//LOGGER.debug("FTP name: " + user.userName);
 			//LOGGER.debug("FTP path: " + user.path);
@@ -727,7 +723,7 @@ public class FTPEditUploader_GUI extends JFrame implements
 				LOGGER.debug("New file uploaded and new filename is set");
 				//LOGGER.debug("(NOT NULL) new FileName is '"+Image.image.getNewName()+"', imagepath="+ Image.image.getImagepath());
 				
-				client.updateImageData(
+				ThriftManager.getSatClient().updateImageData(
 						Image.image.getImagename(),
 						Image.image.getImagename(),
 						Image.image.getDesc(),
@@ -746,14 +742,14 @@ public class FTPEditUploader_GUI extends JFrame implements
 						SessionData.session.getAuthToken()
 						);
 				if (fileupload == true) {
-					client.startFileCopy(Image.image.getNewName(),SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().startFileCopy(Image.image.getNewName(),SessionData.session.getAuthToken());
 				}
 
 			} else { //no new file uploaded and old file name stays
 				//LOGGER.debug("(NULL) newName is '"+Image.image.getNewName()+"', imagepath="+ Image.image.getImagepath());
 				LOGGER.debug("old file should remain");
 				
-				client.updateImageData(
+				ThriftManager.getSatClient().updateImageData(
 						Image.image.getImagename(),
 						Image.image.getImagename(),
 						Image.image.getDesc(),
@@ -773,7 +769,7 @@ public class FTPEditUploader_GUI extends JFrame implements
 						);
 
 				if (fileupload == true) {
-					client.startFileCopy(Image.image.getNewName(),SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().startFileCopy(Image.image.getNewName(),SessionData.session.getAuthToken());
 					// client.startFileCopy(Image.image.getImagename());
 				}
 			}
@@ -781,7 +777,7 @@ public class FTPEditUploader_GUI extends JFrame implements
 
 			// remove all additional user permissions on first stage
 
-			client.deleteAllAdditionalImagePermissions(Image.image.getImageId(),SessionData.session.getAuthToken(),person.verantwortlicher.getUserID());
+			ThriftManager.getSatClient().deleteAllAdditionalImagePermissions(Image.image.getImageId(),SessionData.session.getAuthToken(),person.verantwortlicher.getUserID());
 
 			// then, add user permissions as they have been set new
 			for (int i = 0; i < RightsManagement.rightsManagement.getPermittedUserList().size(); i++) 
@@ -795,7 +791,7 @@ public class FTPEditUploader_GUI extends JFrame implements
 						+ RightsManagement.rightsManagement.getPermittedUserList().size());
 				*/
 				
-				client.writeAdditionalImageRights(Image.image.getImageId(),
+				ThriftManager.getSatClient().writeAdditionalImageRights(Image.image.getImageId(),
 						RightsManagement.rightsManagement.getPermittedUserList().get(i).getUserID(),
 						RightsManagement.rightsManagement.getPermittedUserList().get(i).isImageRead(),
 						RightsManagement.rightsManagement.getPermittedUserList().get(i).isImageWrite(),
diff --git a/dozentenmodul/src/main/java/gui/image/FTPSearchDownloader_GUI.java b/dozentenmodul/src/main/java/gui/image/FTPSearchDownloader_GUI.java
index 823d8894..0cb63429 100644
--- a/dozentenmodul/src/main/java/gui/image/FTPSearchDownloader_GUI.java
+++ b/dozentenmodul/src/main/java/gui/image/FTPSearchDownloader_GUI.java
@@ -42,10 +42,9 @@ import models.person;
 
 import org.apache.log4j.Logger;
 import org.apache.thrift.TException;
-import org.openslx.sat.thrift.iface.Server.Client;
 import org.openslx.sat.thrift.iface.User;
 
-import thrift.ThriftConnection;
+import thrift.ThriftManager;
 import util.OpenLinks;
 import config.Config;
 import ftp.DownloadTask;
@@ -81,8 +80,6 @@ public class FTPSearchDownloader_GUI extends JFrame implements
 	long bytesread;
 	JLabel lblZeit;
 	boolean taskrun = false;
-	ThriftConnection con = new ThriftConnection();
-	Client client = models.Client.clientcon.getClient();
 	JButton btnZurck = new JButton("Zurück");
 	JButton btnDownloadStarten = new JButton("Download starten");
 	JButton btnMainMenu = new JButton("Hauptmenü");
@@ -122,16 +119,15 @@ public class FTPSearchDownloader_GUI extends JFrame implements
 					if (choice == 0) {
 
 						try {
-							client.DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
+							ThriftManager.getSatClient().DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
 							try {
-								client.setSessionInvalid(SessionData.session.getAuthToken());
+								ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 							} catch (TException e1) {
 								// TODO Auto-generated catch block
 								e1.printStackTrace();
 							}
-							con.closeThriftConnection();
 							try {
-								client.setSessionInvalid(SessionData.session.getAuthToken());
+								ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 							} catch (TException e1) {
 								// TODO Auto-generated catch block
 								e1.printStackTrace();
@@ -147,7 +143,7 @@ public class FTPSearchDownloader_GUI extends JFrame implements
 				} else {
 					// no download running, close window
 					try {
-						client.setSessionInvalid(SessionData.session.getAuthToken());
+						ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 					} catch (TException e1) {
 						// TODO Auto-generated catch block
 						e1.printStackTrace();
@@ -432,7 +428,7 @@ public class FTPSearchDownloader_GUI extends JFrame implements
 
 				isAborted = true; // set flag
 				try {
-					client.DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
 					LOGGER.info("Deleted FTP user.");
 				} catch (TException e1) {
 					// TODO Auto-generated catch block
@@ -472,7 +468,7 @@ public class FTPSearchDownloader_GUI extends JFrame implements
 							if (choice == 0) {
 								task.cancel(true);
 								try {
-									client.DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
+									ThriftManager.getSatClient().DeleteFtpUser(user.userName,SessionData.session.getAuthToken());
 								} catch (TException e1) {
 									// TODO Auto-generated catch block
 									e1.printStackTrace();
@@ -534,11 +530,11 @@ public class FTPSearchDownloader_GUI extends JFrame implements
 												// Klick
 		btnDownloadStarten.setText("Bitte warten");
 		try {
-			user = client.getFtpUser(SessionData.session.getAuthToken());
+			user = ThriftManager.getSatClient().getFtpUser(SessionData.session.getAuthToken());
 
 			downloadFile = user.path
 					+ "/"
-					+ client.getPathOfImage(Image.image.getImageId(),
+					+ ThriftManager.getSatClient().getPathOfImage(Image.image.getImageId(),
 							Image.image.getVersion(),SessionData.session.getAuthToken());
 
 		} catch (TException e) {
diff --git a/dozentenmodul/src/main/java/gui/image/SearchEditImage_GUI.java b/dozentenmodul/src/main/java/gui/image/SearchEditImage_GUI.java
index 7ebd604d..3ad45213 100644
--- a/dozentenmodul/src/main/java/gui/image/SearchEditImage_GUI.java
+++ b/dozentenmodul/src/main/java/gui/image/SearchEditImage_GUI.java
@@ -61,9 +61,8 @@ import models.SessionData;
 import models.person;
 
 import org.apache.thrift.TException;
-import org.openslx.sat.thrift.iface.Server.Client;
 
-import thrift.ThriftConnection;
+import thrift.ThriftManager;
 import util.OpenLinks;
 //import models.person;
 
@@ -116,10 +115,6 @@ public class SearchEditImage_GUI extends JFrame {
 			+ "Klicken Sie auf \"Weiter\" um das Image für weitere Schritte auszuwählen."
 			+ "</div></html>";
 
-	ThriftConnection con = new ThriftConnection();
-	Client client = models.Client.clientcon.getClient();
-	
-
 	
 	final DefaultTableModel modelMyImages = new DefaultTableModel(titles, 0) {
 		public boolean isCellEditable(int rowIndex, int mColIndex) {
@@ -151,13 +146,11 @@ public class SearchEditImage_GUI extends JFrame {
 			public void windowClosing(WindowEvent arg0) {
 				// Beendet die Anwendung nach klick auf X
 				try {
-					client.setSessionInvalid(SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 				} catch (TException e) {
 					// TODO Auto-generated catch block
 					e.printStackTrace();
 				}
-				con.closeThriftConnection();
-				
 				System.exit(0);
 			}
 
@@ -315,7 +308,7 @@ public class SearchEditImage_GUI extends JFrame {
 		try {
 			// Holt sich eine Liste aller verfuegbaren Betriebssysteme vom
 			// Server
-			List<String> list = client.getAllOS(SessionData.session.getAuthToken());
+			List<String> list = ThriftManager.getSatClient().getAllOS(SessionData.session.getAuthToken());
 			// Leeres Item hinzufuegen
 			comboBox.addItem("");
 			for (int i = 0; i < list.size(); i++) {
@@ -750,10 +743,10 @@ public class SearchEditImage_GUI extends JFrame {
 			// Hole eine Liste der passenden Images,
 			if(person.verantwortlicher.getRole()=="Admin"){
 				//get complete list
-				images = client.getImageList(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken()); 
+				images = ThriftManager.getSatClient().getImageList(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken()); 
 			} else {
 				//only get permitted list
-				images = client.getImageListPermissionWrite(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken());
+				images = ThriftManager.getSatClient().getImageListPermissionWrite(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken());
 			}
 
 			Iterator<org.openslx.sat.thrift.iface.Image> i = images.iterator();
@@ -821,7 +814,7 @@ public class SearchEditImage_GUI extends JFrame {
 		try {
 			SimpleDateFormat in = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 			SimpleDateFormat out = new SimpleDateFormat("dd.MM.yyyy HH:mm:ss");
-			Map<String, String> res = client.getImageData(id, version,SessionData.session.getAuthToken());
+			Map<String, String> res = ThriftManager.getSatClient().getImageData(id, version,SessionData.session.getAuthToken());
 			labelName.setText(res.get("name"));
 			labelOS.setText(res.get("os"));
 			labelUpdate.setText(out.format(in.parse(res.get("lastupdate"))));
@@ -850,7 +843,7 @@ public class SearchEditImage_GUI extends JFrame {
 			textAreadesc.setText(res.get("desc"));
 			res.clear();
 			
-			List<String> contacts = client.getAdditionalImageContacts(id,SessionData.session.getAuthToken());
+			List<String> contacts = ThriftManager.getSatClient().getAdditionalImageContacts(id,SessionData.session.getAuthToken());
 			labelWeitereVerantwortliche.setText("");
 			for (int i = 0; i < contacts.size(); i++) 
 			{
@@ -870,7 +863,7 @@ public class SearchEditImage_GUI extends JFrame {
 		
 		try {
 			//get values from server and set them in model
-			map=client.getItemOwner(imageid,SessionData.session.getAuthToken());
+			map=ThriftManager.getSatClient().getItemOwner(imageid,SessionData.session.getAuthToken());
 			
 			ItemOwner.itemOwner.setUserID(map.get("userID"));
 			ItemOwner.itemOwner.setUsername(map.get("loginName"));
diff --git a/dozentenmodul/src/main/java/gui/image/SearchImage_GUI.java b/dozentenmodul/src/main/java/gui/image/SearchImage_GUI.java
index 18f4a1e7..78b21987 100644
--- a/dozentenmodul/src/main/java/gui/image/SearchImage_GUI.java
+++ b/dozentenmodul/src/main/java/gui/image/SearchImage_GUI.java
@@ -60,9 +60,8 @@ import models.SessionData;
 import models.person;
 
 import org.apache.thrift.TException;
-import org.openslx.sat.thrift.iface.Server.Client;
 
-import thrift.ThriftConnection;
+import thrift.ThriftManager;
 import util.OpenLinks;
 
 @SuppressWarnings("serial")
@@ -114,8 +113,7 @@ public class SearchImage_GUI extends JFrame {
 			"Die Volltextsuche sucht in den Feldern Name und Beschreibung." +
 			"</div></html>";
 	
-	ThriftConnection con = new ThriftConnection();
-	Client client = models.Client.clientcon.getClient();
+
 	final DefaultTableModel modelAll = new DefaultTableModel(titles, 0) {
 		public boolean isCellEditable(int rowIndex, int mColIndex) {
 			return false;
@@ -166,12 +164,11 @@ public class SearchImage_GUI extends JFrame {
 			public void windowClosing(WindowEvent arg0) {
 				// Beendet die Anwendung nach klick auf X
 				try {
-					client.setSessionInvalid(SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 				} catch (TException e) {
 					// TODO Auto-generated catch block
 					e.printStackTrace();
 				}
-				con.closeThriftConnection();
 				System.exit(0);
 			}
 
@@ -420,7 +417,7 @@ public class SearchImage_GUI extends JFrame {
 		try {
 			// Holt sich eine Liste aller verfuegbaren Betriebssysteme vom
 			// Server
-			List<String> list = client.getAllOS(SessionData.session.getAuthToken());
+			List<String> list = ThriftManager.getSatClient().getAllOS(SessionData.session.getAuthToken());
 			// Leeres Item hinzufuegen
 			comboBox.addItem("");
 			for (int i = 0; i < list.size(); i++) {
@@ -987,9 +984,9 @@ public class SearchImage_GUI extends JFrame {
 			// Hole eine Liste der Images
 			if(person.verantwortlicher.getRole()=="Admin"){
 				//get complete list
-				images = client.getImageList(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken());
+				images = ThriftManager.getSatClient().getImageList(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken());
 			} else {
-				images = client.getImageListPermissionRead(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken());
+				images = ThriftManager.getSatClient().getImageListPermissionRead(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken());
 			}
 
 			Iterator<org.openslx.sat.thrift.iface.Image> i = images.iterator();
@@ -1037,7 +1034,7 @@ public class SearchImage_GUI extends JFrame {
 		List<org.openslx.sat.thrift.iface.Image> images;
 		try {
 			// Hole eine Liste der Images
-			images = client.getImageList(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken());
+			images = ThriftManager.getSatClient().getImageList(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken());
 
 			Iterator<org.openslx.sat.thrift.iface.Image> i = images.iterator();
 			SimpleDateFormat in = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
@@ -1087,7 +1084,7 @@ public class SearchImage_GUI extends JFrame {
 			List<org.openslx.sat.thrift.iface.Image> images;
 			try {
 				// Hole eine Liste der Images
-				images = client.getImageListAllTemplates(SessionData.session.getAuthToken());
+				images = ThriftManager.getSatClient().getImageListAllTemplates(SessionData.session.getAuthToken());
 
 				Iterator<org.openslx.sat.thrift.iface.Image> i = images.iterator();
 				SimpleDateFormat in = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
@@ -1155,7 +1152,7 @@ public class SearchImage_GUI extends JFrame {
 		try {
 			SimpleDateFormat in = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 			SimpleDateFormat out = new SimpleDateFormat("dd.MM.yyyy HH:mm:ss");
-			Map<String, String> res = client.getImageData(id, version,SessionData.session.getAuthToken());
+			Map<String, String> res = ThriftManager.getSatClient().getImageData(id, version,SessionData.session.getAuthToken());
 			labelName.setText(res.get("name"));
 			labelOS.setText(res.get("os"));
 			labelUpdate.setText(out.format(in.parse(res.get("lastupdate"))));
@@ -1182,7 +1179,7 @@ public class SearchImage_GUI extends JFrame {
 			labelVersion.setText(res.get("version"));
 			textAreadesc.setText(res.get("desc"));
 			
-			List<String> contacts = client.getAdditionalImageContacts(id,SessionData.session.getAuthToken());
+			List<String> contacts = ThriftManager.getSatClient().getAdditionalImageContacts(id,SessionData.session.getAuthToken());
 			labelWeitereVerantwortliche.setText("");
 			for (int i = 0; i < contacts.size(); i++) 
 			{
diff --git a/dozentenmodul/src/main/java/gui/intro/Login_GUI.java b/dozentenmodul/src/main/java/gui/intro/Login_GUI.java
index 0af27fee..974a62aa 100644
--- a/dozentenmodul/src/main/java/gui/intro/Login_GUI.java
+++ b/dozentenmodul/src/main/java/gui/intro/Login_GUI.java
@@ -41,13 +41,12 @@ import models.person;
 
 import org.apache.log4j.Logger;
 import org.apache.thrift.TException;
-import org.openslx.imagemaster.thrift.iface.ImageServer.Client;
+import org.openslx.imagemaster.thrift.iface.ImageServer;
 import org.openslx.imagemaster.thrift.iface.OrganizationData;
 import org.openslx.imagemaster.thrift.iface.UserInfo;
 import org.openslx.sat.thrift.iface.Server;
 
-import thrift.MasterThriftConnection;
-import thrift.ThriftConnection;
+import thrift.ThriftManager;
 import util.GuiOrganizer;
 import util.ResourceLoader;
 import util.ShibbolethECP;
@@ -295,24 +294,12 @@ public class Login_GUI extends JFrame {
 	public void performLogin(final String loginType) {
 		LOGGER.info("Trying login of type: " + loginType);
 
-		
-
-		if (loginType == LOGIN_TYPE_BWLEHRPOOL) 
-		{				
+		if (loginType == LOGIN_TYPE_BWLEHRPOOL) {				
 
 			// start the authentication process against the masterserver
 			org.openslx.imagemaster.thrift.iface.SessionData result = null;
 			// Connect to Master
-			MasterThriftConnection thrift = new MasterThriftConnection();
-			Client client = thrift.getMasterThriftConnection();
-
-			if (client == null) {
-				// Thrift connection to master could not be established
-				setStatus(Color.red, "Fehler: Masterserver nicht erreichbar.", null);
-				LOGGER.info("Thrift client could not be initialized, is the masterserver up and running?");
-				return;
-			}
-			
+			ImageServer.Client client = ThriftManager.getMasterClient();
 			String passText = new String(lblpass.getPassword());
 			UserInfo user = null;
 			// Log user in
@@ -355,18 +342,14 @@ public class Login_GUI extends JFrame {
 			// set Information
 			SessionData.session.setAuthToken(result.authToken);
 			SessionData.session.setSessionID(result.sessionId);
+			// TODO: support list of adresses
 			SessionData.session.setServerAdress(result.serverAddress);
+			ThriftManager.setSatellite(result.serverAddress);
 
 			// Satellite-Connection
 			setStatus(Color.black, "Hole Verbindungsdaten von Server...", null);
-			// set connection to bwLehrpoolSuiteServer
-			ThriftConnection bwthrift = new ThriftConnection();
-			Server.Client bwClient = bwthrift.getThriftConnection();
-			models.Client.clientcon.setClient(bwClient);
 
 			// User-Info
-			//LOGGER.debug("Session-ID: " + result.sessionId);
-			//LOGGER.debug("Token: " + result.authToken);
 			setStatus(Color.green, "Daten erhalten.", null);
 			
 			String hochschule = user.eMail.substring(user.eMail.indexOf("@") + 1);
@@ -417,6 +400,11 @@ public class Login_GUI extends JFrame {
 								JOptionPane.showMessageDialog(c, "Anmeldung fehlgeschlagen. Überprüfen Sie den Benutzername und Passwort.",
 										"Fehler", JOptionPane.ERROR_MESSAGE);
 								break;
+							case ERROR_UNREG:
+								setStatus(Color.red, "Fehler: Nicht bei bwLehrpool registriert!", null);
+								JOptionPane.showMessageDialog(c, "Sie sind nicht bei bwLehrpool registriert.\nGehen Sie dazu auf folgende Seite:\n"
+								+ ShibbolethECP.getRegistrationUrl(), "Fehler", JOptionPane.ERROR_MESSAGE);
+								break;
 							case ERROR_SP:
 								setStatus(Color.red, "Fehler: bwIDM-Anmeldung fehlgeschlagen!", null);
 								JOptionPane.showMessageDialog(c, "Anmeldung erfolgreich aber die Antwort des Service Providers ist ungültig.",
@@ -480,33 +468,19 @@ public class Login_GUI extends JFrame {
 	 * This function should be called on a successful login.
 	 */
 	private void showMainMenu() {
-
-		/*
-		 * TODO check if user has already been regisistered. if not, do so
-		 * 
-		 * 
-		 */
-		//import server.generated.Server.Client;
-		Server.Client client_2 = models.Client.clientcon.getClient();
-		try 
-		{
-			boolean authenticated = client_2.authenticated(authToken);
-			
-			if(!authenticated)
-			{
+		try {
+			boolean authenticated = ThriftManager.getSatClient().authenticated(authToken);
+			if(!authenticated) {
 				//TODO message for user and deactivation of menu points, actually just system exit
 				System.exit(0);
 			}
-		
 		} catch (TException e1) {
 			// TODO Auto-generated catch block
 			e1.printStackTrace();
 		}
 		try {
-			String pk_institution = client_2.setInstitution(person.verantwortlicher.getHochschule(),SessionData.session.getAuthToken());
-			//LOGGER.info("Institution of user is: "+pk_institution);
-			client_2.setPerson(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken(),pk_institution);
-			//LOGGER.info("user data, ID="+person.verantwortlicher.getUserID()+" , Name="+person.verantwortlicher.getName()+" , Vorname="+ person.verantwortlicher.getVorname()+" , E-Mail="+ person.verantwortlicher.getEMail()+" , Institution="+ pk_institution);
+			String pk_institution = ThriftManager.getSatClient().setInstitution(person.verantwortlicher.getHochschule(),SessionData.session.getAuthToken());
+			ThriftManager.getSatClient().setPerson(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken(),pk_institution);
 		} catch (TException e) {
 			// TODO Auto-generated catch block
 			e.printStackTrace();
@@ -636,11 +610,11 @@ public class Login_GUI extends JFrame {
 			protected Boolean doInBackground() throws Exception {
 				publish("Info: Hole Liste von IdPs");
 				// if not then request it from the masterserver
-				MasterThriftConnection thrift = new MasterThriftConnection();
-				Client client = thrift.getMasterThriftConnection();
 				List<OrganizationData> tempOrgs = null;
 				try {
-					tempOrgs = client.getOrganizations();
+					if (ThriftManager.getMasterClient() == null) LOGGER.error("DERP");
+					
+					tempOrgs = ThriftManager.getMasterClient().getOrganizations();
 				} catch (TException e) {
 					LOGGER.error("Could not fetch list of identity providers from the masterserver, see trace: ", e);
 					return false;
diff --git a/dozentenmodul/src/main/java/gui/intro/MainMenue_GUI.java b/dozentenmodul/src/main/java/gui/intro/MainMenue_GUI.java
index 504203fe..c811b585 100644
--- a/dozentenmodul/src/main/java/gui/intro/MainMenue_GUI.java
+++ b/dozentenmodul/src/main/java/gui/intro/MainMenue_GUI.java
@@ -56,6 +56,7 @@ import org.apache.log4j.Logger;
 import org.apache.thrift.TException;
 import org.openslx.sat.thrift.iface.Server.Client;
 
+import thrift.ThriftManager;
 import util.News;
 import util.OpenLinks;
 import util.ResourceLoader;
@@ -82,9 +83,6 @@ public class MainMenue_GUI extends JFrame {
 	private JMenuItem mntmAbout;
 	Component c = null;
 	
-	Client client = models.Client.clientcon.getClient();
-
-	
 	// for testing
 	ImageRights imageRights = new ImageRights();
 	
@@ -97,7 +95,7 @@ public class MainMenue_GUI extends JFrame {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
 				try {
-					tokenDeleted = client.setSessionInvalid(SessionData.session.getAuthToken());
+					tokenDeleted = ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 				} catch (TException e) {
 					// TODO Auto-generated catch block
 					e.printStackTrace();
diff --git a/dozentenmodul/src/main/java/gui/lecture/CreateLectureAllgemein_GUI.java b/dozentenmodul/src/main/java/gui/lecture/CreateLectureAllgemein_GUI.java
index 54a22d9f..1bac4642 100644
--- a/dozentenmodul/src/main/java/gui/lecture/CreateLectureAllgemein_GUI.java
+++ b/dozentenmodul/src/main/java/gui/lecture/CreateLectureAllgemein_GUI.java
@@ -46,8 +46,8 @@ import models.SessionData;
 import models.person;
 
 import org.apache.thrift.TException;
-import org.openslx.sat.thrift.iface.Server.Client;
 
+import thrift.ThriftManager;
 import util.OpenLinks;
 
 import com.toedter.calendar.JDateChooser;
@@ -70,7 +70,6 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 	Date startDate = new Date();
 	Date endDate;
 	Component c = null;
-	Client client = models.Client.clientcon.getClient();
 	private boolean descriptionLengthOK = false; // description may not be
 													// longer than
 													// MAX_DESCRIPTION_LENGTH
@@ -94,7 +93,7 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
 				try {
-					client.setSessionInvalid(SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 				} catch (TException e) {
 					// TODO Auto-generated catch block
 					e.printStackTrace();
@@ -512,11 +511,10 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 		mntmFaq.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mousePressed(MouseEvent arg0) {
-				OpenLinks open = new OpenLinks();
 				URI windows;
 				try {
 					windows = new URI(Links.getFAQ());
-					open.openWebpage(windows);
+					OpenLinks.openWebpage(windows);
 				} catch (URISyntaxException e) {
 					 
 					e.printStackTrace();
@@ -529,13 +527,10 @@ public class CreateLectureAllgemein_GUI extends JFrame {
 		mntmOtrs.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mousePressed(MouseEvent arg0) {
-
-				OpenLinks open = new OpenLinks();
-
 				URI windows;
 				try {
 					windows = new URI(Links.getOTRS());
-					open.openWebpage(windows);
+					OpenLinks.openWebpage(windows);
 				} catch (URISyntaxException e) {
 					 
 					e.printStackTrace();
diff --git a/dozentenmodul/src/main/java/gui/lecture/CreateLectureLink_GUI.java b/dozentenmodul/src/main/java/gui/lecture/CreateLectureLink_GUI.java
index 14b050a9..837b6683 100644
--- a/dozentenmodul/src/main/java/gui/lecture/CreateLectureLink_GUI.java
+++ b/dozentenmodul/src/main/java/gui/lecture/CreateLectureLink_GUI.java
@@ -63,9 +63,8 @@ import models.person;
 import org.apache.log4j.Logger;
 import org.apache.thrift.TException;
 import org.openslx.sat.thrift.iface.Image;
-import org.openslx.sat.thrift.iface.Server.Client;
 
-import thrift.ThriftConnection;
+import thrift.ThriftManager;
 import util.OpenLinks;
 
 @SuppressWarnings("serial")
@@ -100,8 +99,6 @@ public class CreateLectureLink_GUI extends JFrame {
 	private String uuid = null;
 	String[] titles = { "Image-Name", "Lizenzpflichtig", "OS", "Veranstaltung",
 			"Verantwortlicher", "Letztes Update", "ID", "Version", "Template", "Beschreibung" };
-	ThriftConnection con = new ThriftConnection();
-	Client client = models.Client.clientcon.getClient();
 
 	private static final String HELP_MESSAGE = "<html><div align=\"center\">"
 			+ "Damit Ihre Veranstaltung geladen werden kann, muss sie mit einem Image verbunden werden.<br />"
@@ -126,7 +123,7 @@ public class CreateLectureLink_GUI extends JFrame {
 
 	
 	
-	RowFilter rf = null;
+	RowFilter<Object, Object> rf = null;
 	List<RowFilter<Object,Object>> filters = new ArrayList<RowFilter<Object,Object>>(2);
 
 	/**
@@ -142,12 +139,11 @@ public class CreateLectureLink_GUI extends JFrame {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
 				try {
-					client.setSessionInvalid(SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 				} catch (TException e) {
 					// TODO Auto-generated catch block
 					e.printStackTrace();
 				}
-				con.closeThriftConnection();
 				System.exit(0);
 			}
 
@@ -216,8 +212,6 @@ public class CreateLectureLink_GUI extends JFrame {
 		setBounds(0, 0, 918, 722);
 		setLocationRelativeTo(formerGUI);
 
-		final DefaultTableModel model = new DefaultTableModel(titles, 0);
-
 		getContentPane().setLayout(null);
 		{
 			JPanel panel = new JPanel();
@@ -300,7 +294,7 @@ public class CreateLectureLink_GUI extends JFrame {
 
 		comboBox = new JComboBox<String>();
 		try {
-			List<String> list = client.getAllOS(SessionData.session.getAuthToken());
+			List<String> list = ThriftManager.getSatClient().getAllOS(SessionData.session.getAuthToken());
 			comboBox.addItem("");
 			for (int i = 0; i < list.size(); i++) {
 				comboBox.addItem(list.get(i));
@@ -443,8 +437,6 @@ public class CreateLectureLink_GUI extends JFrame {
 						"Veranstaltung erzeugen und abschließen");
 				doLinkButton.addActionListener(new ActionListener() {
 					public void actionPerformed(ActionEvent e) {
-						String username = person.verantwortlicher.getName()
-								+ " " + person.verantwortlicher.getVorname();
 						// check if a row is selected
 						if (tablemyImages.getSelectedRow() != -1) {
 
@@ -457,7 +449,7 @@ public class CreateLectureLink_GUI extends JFrame {
 										"yyyy-MM-dd HH:mm:ss");
 								
 								//create new lecture
-								client.writeLecturedata(
+								ThriftManager.getSatClient().writeLecturedata(
 										Lecture.lecture.getName(),
 										Lecture.lecture.getShortDesc(),
 										Lecture.lecture.getDesc(),
@@ -474,7 +466,7 @@ public class CreateLectureLink_GUI extends JFrame {
 								System.out.println("lectureID" + " " + uuid);
 								//set rights for this user
 								
-								client.writeLectureRights(
+								ThriftManager.getSatClient().writeLectureRights(
 										uuid,
 										person.verantwortlicher.getRole(),
 										SessionData.session.getAuthToken(),
@@ -485,7 +477,7 @@ public class CreateLectureLink_GUI extends JFrame {
 								//set rights for additional users
 								for(int i=0; i< RightsManagement.rightsManagement.getPermittedUserList().size(); i++){
 									//System.out.println("Writing additional rights for user "+RightsManagement.rightsManagement.getPermittedUserList().get(i).getUserID()+", User "+(i+1)+"/"+RightsManagement.rightsManagement.getPermittedUserList().size());
-									client.writeAdditionalLectureRights(
+									ThriftManager.getSatClient().writeAdditionalLectureRights(
 											uuid,
 											RightsManagement.rightsManagement.getPermittedUserList().get(i).getUserID(),
 											RightsManagement.rightsManagement.getPermittedUserList().get(i).isLecture_read(),
@@ -682,14 +674,11 @@ public class CreateLectureLink_GUI extends JFrame {
 		mntmFaq.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mousePressed(MouseEvent arg0) {
-
-				OpenLinks open = new OpenLinks();
-
 				URI windows;
 				try {
 					windows = new URI(Links.getFAQ());
 
-					open.openWebpage(windows);
+					OpenLinks.openWebpage(windows);
 
 				} catch (URISyntaxException e) {
 					 
@@ -703,14 +692,11 @@ public class CreateLectureLink_GUI extends JFrame {
 		mntmOtrs.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mousePressed(MouseEvent arg0) {
-
-				OpenLinks open = new OpenLinks();
-
 				URI windows;
 				try {
 					windows = new URI(Links.getOTRS());
 
-					open.openWebpage(windows);
+					OpenLinks.openWebpage(windows);
 
 				} catch (URISyntaxException e) {
 					 
@@ -743,7 +729,7 @@ public class CreateLectureLink_GUI extends JFrame {
 		
 		try 
 		{
-			uuid = client.createRandomUUID(SessionData.session.getAuthToken());
+			uuid = ThriftManager.getSatClient().createRandomUUID(SessionData.session.getAuthToken());
 		} 
 		catch (TException e1) 
 		{
@@ -763,9 +749,9 @@ public class CreateLectureLink_GUI extends JFrame {
 		// Hole eine Liste der Images
 		if(person.verantwortlicher.getRole()=="Admin"){
 			//get complete list
-			images = client.getImageList(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken());
+			images = ThriftManager.getSatClient().getImageList(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken());
 		} else {		
-			images = client.getImageListPermissionLink(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken());
+			images = ThriftManager.getSatClient().getImageListPermissionLink(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken());
 		}
 
 		Iterator<Image> i = images.iterator();
@@ -819,7 +805,7 @@ public class CreateLectureLink_GUI extends JFrame {
 
 		SimpleDateFormat in = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 		SimpleDateFormat out = new SimpleDateFormat("dd.MM.yyyy HH:mm:ss");
-		Map<String, String> res = client.getImageData(id, version,SessionData.session.getAuthToken());
+		Map<String, String> res = ThriftManager.getSatClient().getImageData(id, version,SessionData.session.getAuthToken());
 		labelName.setText(res.get("name"));
 		labelOS.setText(res.get("os"));
 		labelUpdate.setText(out.format(in.parse(res.get("lastupdate"))));
diff --git a/dozentenmodul/src/main/java/gui/lecture/DeleteLecture_GUI.java b/dozentenmodul/src/main/java/gui/lecture/DeleteLecture_GUI.java
index 438e817f..0dd68697 100644
--- a/dozentenmodul/src/main/java/gui/lecture/DeleteLecture_GUI.java
+++ b/dozentenmodul/src/main/java/gui/lecture/DeleteLecture_GUI.java
@@ -59,9 +59,8 @@ import models.person;
 import org.apache.log4j.Logger;
 import org.apache.thrift.TException;
 import org.openslx.sat.thrift.iface.Lecture;
-import org.openslx.sat.thrift.iface.Server.Client;
 
-import thrift.ThriftConnection;
+import thrift.ThriftManager;
 import util.OpenLinks;
 
 @SuppressWarnings("serial")
@@ -90,9 +89,6 @@ public class DeleteLecture_GUI extends JFrame {
 			"Gültigkeitsdatum", "Aktiv", "Letzte Benutzung",
 			"Verantwortlicher", "Image", "Schlagwort", "ID" };
 
-	ThriftConnection con = new ThriftConnection();
-	Client client = models.Client.clientcon.getClient();
-
 	final DefaultTableModel modelMyLectures = new DefaultTableModel(titles, 0){
 		public boolean isCellEditable(int rowIndex, int mColIndex) {
 			return false;
@@ -106,7 +102,6 @@ public class DeleteLecture_GUI extends JFrame {
 			modelMyLectures);
 	private JButton button;
 
-	private JTextField textField;
 	Component c = null;
 
 	private static final String HELP_MESSAGE = "<html><div align=\"center\">"
@@ -115,7 +110,7 @@ public class DeleteLecture_GUI extends JFrame {
 			+ "Veraltet bedeutet, dass Veranstaltungen, die drei Monate lang nicht augerufen wurden, vorerst deaktiviert werden."
 			+ "</div></html>";
 
-	RowFilter rf = null;
+	RowFilter<Object, Object> rf = null;
 	List<RowFilter<Object, Object>> filters = new ArrayList<RowFilter<Object, Object>>(2);
 
 	/**
@@ -132,12 +127,11 @@ public class DeleteLecture_GUI extends JFrame {
 			public void windowClosing(WindowEvent arg0) {
 				// Beendet die Anwendung nach klick auf X
 				try {
-					client.setSessionInvalid(SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 				} catch (TException e) {
 					// TODO Auto-generated catch block
 					e.printStackTrace();
 				}
-				con.closeThriftConnection();
 				System.exit(0);
 			}
 
@@ -376,8 +370,6 @@ public class DeleteLecture_GUI extends JFrame {
 
 				String lectureID = "";
 				int eingabe;
-				String username = person.verantwortlicher.getName() + " "
-						+ person.verantwortlicher.getVorname();
 				// check if a row is selected
 				if (tablemyLectures.getSelectedRowCount() != 0) {
 					// a row is selected
@@ -401,7 +393,7 @@ public class DeleteLecture_GUI extends JFrame {
 						
 						// LOGGER.info("Lösche Veranstaltung: " + lectureID);
 						try {
-							if (client.deleteLecture(
+							if (ThriftManager.getSatClient().deleteLecture(
 									lectureID,
 									SessionData.session.getAuthToken(),
 									person.verantwortlicher.getHochschule()
@@ -568,14 +560,11 @@ public class DeleteLecture_GUI extends JFrame {
 		mntmFaq.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mousePressed(MouseEvent arg0) {
-
-				OpenLinks open = new OpenLinks();
-
 				URI windows;
 				try {
 					windows = new URI(Links.getFAQ());
 
-					open.openWebpage(windows);
+					OpenLinks.openWebpage(windows);
 
 				} catch (URISyntaxException e) {
 
@@ -589,14 +578,11 @@ public class DeleteLecture_GUI extends JFrame {
 		mntmOtrs.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mousePressed(MouseEvent arg0) {
-
-				OpenLinks open = new OpenLinks();
-
 				URI windows;
 				try {
 					windows = new URI(Links.getOTRS());
 
-					open.openWebpage(windows);
+					OpenLinks.openWebpage(windows);
 
 				} catch (URISyntaxException e) {
 
@@ -641,12 +627,12 @@ public class DeleteLecture_GUI extends JFrame {
 			if(person.verantwortlicher.getRole()=="Admin")
 			{
 				//get complete list
-				lectures = client.getLectureList(SessionData.session.getAuthToken());
+				lectures = ThriftManager.getSatClient().getLectureList(SessionData.session.getAuthToken());
 			} 
 			else 
 			{
 				//get permitted list
-				lectures = client.getLectureListPermissionAdmin(SessionData.session.getAuthToken());
+				lectures = ThriftManager.getSatClient().getLectureListPermissionAdmin(SessionData.session.getAuthToken());
 			}
 			
 			Iterator<Lecture> i = lectures.iterator();
@@ -704,7 +690,7 @@ public class DeleteLecture_GUI extends JFrame {
 
 		SimpleDateFormat in = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 		SimpleDateFormat out = new SimpleDateFormat("dd.MM.yyyy HH:mm:ss");
-		Map<String, String> res = client.getLectureData(id,SessionData.session.getAuthToken());
+		Map<String, String> res = ThriftManager.getSatClient().getLectureData(id,SessionData.session.getAuthToken());
 		labelName.setText(res.get("name"));
 		labelAktiv.setText(res.get("isActive"));
 		labeldesc.setText(res.get("desc"));
diff --git a/dozentenmodul/src/main/java/gui/lecture/EditLectureAllgemein_GUI.java b/dozentenmodul/src/main/java/gui/lecture/EditLectureAllgemein_GUI.java
index 88a79fb6..597a3539 100644
--- a/dozentenmodul/src/main/java/gui/lecture/EditLectureAllgemein_GUI.java
+++ b/dozentenmodul/src/main/java/gui/lecture/EditLectureAllgemein_GUI.java
@@ -556,11 +556,10 @@ public class EditLectureAllgemein_GUI extends JFrame {
 		mntmFaq.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mousePressed(MouseEvent arg0) {
-				OpenLinks open = new OpenLinks();
 				URI windows;
 				try {
 					windows = new URI(Links.getFAQ());
-					open.openWebpage(windows);
+					OpenLinks.openWebpage(windows);
 				} catch (URISyntaxException e) {
 					 
 					e.printStackTrace();
@@ -573,11 +572,10 @@ public class EditLectureAllgemein_GUI extends JFrame {
 		mntmOtrs.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mousePressed(MouseEvent arg0) {
-				OpenLinks open = new OpenLinks();
 				URI windows;
 				try {
 					windows = new URI(Links.getOTRS());
-					open.openWebpage(windows);
+					OpenLinks.openWebpage(windows);
 				} catch (URISyntaxException e) {
 					 
 					e.printStackTrace();
diff --git a/dozentenmodul/src/main/java/gui/lecture/EditLectureLink_GUI.java b/dozentenmodul/src/main/java/gui/lecture/EditLectureLink_GUI.java
index 9ae612f6..3e78751c 100644
--- a/dozentenmodul/src/main/java/gui/lecture/EditLectureLink_GUI.java
+++ b/dozentenmodul/src/main/java/gui/lecture/EditLectureLink_GUI.java
@@ -62,9 +62,8 @@ import models.person;
 
 import org.apache.thrift.TException;
 import org.openslx.sat.thrift.iface.Image;
-import org.openslx.sat.thrift.iface.Server.Client;
 
-import thrift.ThriftConnection;
+import thrift.ThriftManager;
 import util.OpenLinks;
 
 @SuppressWarnings("serial")
@@ -98,8 +97,7 @@ public class EditLectureLink_GUI extends JFrame {
 	Component c = null;
 	String[] titles = { "Image-Name", "Lizenzpflichtig", "OS", "Veranstaltung",
 			"Verantwortlicher", "Letztes Update", "ID", "Version", "Template", "Beschreibung" };
-	ThriftConnection con = new ThriftConnection();
-	Client client = models.Client.clientcon.getClient();
+	
 	final DefaultTableModel modelAll = new DefaultTableModel(titles, 0) {
 		public boolean isCellEditable(int rowIndex, int mColIndex) {
 			return false;
@@ -122,18 +120,17 @@ public class EditLectureLink_GUI extends JFrame {
 			modelMyImages);
 	final TableRowSorter<TableModel> rowSorterPublicVorlagen = new TableRowSorter<TableModel>(
 			modelPublicVorlagen);
-	private JTextField textField;
 
 	
-	RowFilter orFilter = null;
+	RowFilter<Object, Object> orFilter = null;
 	List<RowFilter<Object,Object>> orFilters = new ArrayList<RowFilter<Object,Object>>();
 	
 	//needed for templates, filter for name OR desc AND temp_flag --> (name || desc) && (temp_flag)
-	RowFilter andFilter = null; 
+	RowFilter<Object, Object> andFilter = null; 
 	List<RowFilter<Object,Object>> andFilters = new ArrayList<RowFilter<Object,Object>>();
 
 	//the final filter which handles the search in the templates
-	RowFilter templateFilter = null;
+	RowFilter<Object, Object> templateFilter = null;
 	ArrayList<RowFilter<Object, Object>> finalFilters = new ArrayList<RowFilter<Object, Object>>();
 	
 	
@@ -152,12 +149,11 @@ public class EditLectureLink_GUI extends JFrame {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
 				try {
-					client.setSessionInvalid(SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 				} catch (TException e) {
 					// TODO Auto-generated catch block
 					e.printStackTrace();
 				}
-				con.closeThriftConnection();
 				System.exit(0);
 			}
 
@@ -412,7 +408,7 @@ public class EditLectureLink_GUI extends JFrame {
 
 		comboBox = new JComboBox<String>();
 		try {
-			List<String> list = client.getAllOS(SessionData.session.getAuthToken());
+			List<String> list = ThriftManager.getSatClient().getAllOS(SessionData.session.getAuthToken());
 			comboBox.addItem("");
 			for (int i = 0; i < list.size(); i++) {
 				comboBox.addItem(list.get(i));
@@ -627,7 +623,7 @@ public class EditLectureLink_GUI extends JFrame {
 						//check which GUI to open
 						try {
 
-							if(client.userIsLectureAdmin(person.verantwortlicher.getUserID(), Lecture.lecture.getid(),SessionData.session.getAuthToken()) || (person.verantwortlicher.getRole().equals("Admin"))){
+							if(ThriftManager.getSatClient().userIsLectureAdmin(person.verantwortlicher.getUserID(), Lecture.lecture.getid(),SessionData.session.getAuthToken()) || (person.verantwortlicher.getRole().equals("Admin"))){
 
 								//user is admin of the lecture
 								PermissionEditLecture_GUI ev = new PermissionEditLecture_GUI(c);
@@ -662,15 +658,12 @@ public class EditLectureLink_GUI extends JFrame {
 						if (tablemyImages.getSelectedRow() != -1) {
 
 							// a row is selected, do operations
-							String imagename = tablemyImages.getValueAt(
-									tablemyImages.getSelectedRow(), 0)
-									.toString();
 							try {
 								DateFormat formatter = new SimpleDateFormat(
 										"yyyy-MM-dd HH:mm:ss");
 
 								// update the lecture
-								client.updateLecturedata(
+								ThriftManager.getSatClient().updateLecturedata(
 										Lecture.lecture.getid(),
 										Lecture.lecture.getNewName(),
 										Lecture.lecture.getShortDesc(),
@@ -698,7 +691,7 @@ public class EditLectureLink_GUI extends JFrame {
 
 								// remove all additional user permissions on
 								// first stage
-								client.deleteAllAdditionalLecturePermissions(
+								ThriftManager.getSatClient().deleteAllAdditionalLecturePermissions(
 										Lecture.lecture.getid(),
 										SessionData.session.getAuthToken(),
 										person.verantwortlicher.getUserID());
@@ -724,7 +717,7 @@ public class EditLectureLink_GUI extends JFrame {
 										);
 										*/
 									
-									client.writeAdditionalLectureRights(
+									ThriftManager.getSatClient().writeAdditionalLectureRights(
 											Lecture.lecture.getid(),
 											RightsManagement.rightsManagement
 													.getPermittedUserList()
@@ -777,13 +770,10 @@ public class EditLectureLink_GUI extends JFrame {
 										.toString().equals(username)) {
 
 							// a row is selected, do operations
-							String imagename = tablePublicVorlagen.getValueAt(
-									tablePublicVorlagen.getSelectedRow(), 0)
-									.toString();
 							try {
 								DateFormat formatter = new SimpleDateFormat(
 										"yyyy-MM-dd HH:mm:ss");
-								client.updateLecturedata(
+								ThriftManager.getSatClient().updateLecturedata(
 										Lecture.lecture.getName(),
 										Lecture.lecture.getNewName(),
 										Lecture.lecture.getShortDesc(),
@@ -815,7 +805,7 @@ public class EditLectureLink_GUI extends JFrame {
 
 								// remove all additional user permissions on
 								// first stage
-								client.deleteAllAdditionalLecturePermissions(
+								ThriftManager.getSatClient().deleteAllAdditionalLecturePermissions(
 										Lecture.lecture.getid(),
 										SessionData.session.getAuthToken(),
 										person.verantwortlicher.getUserID());
@@ -835,7 +825,7 @@ public class EditLectureLink_GUI extends JFrame {
 													+ RightsManagement.rightsManagement
 															.getPermittedUserList()
 															.size());
-									client.writeAdditionalLectureRights(
+									ThriftManager.getSatClient().writeAdditionalLectureRights(
 											Lecture.lecture.getName(),
 											RightsManagement.rightsManagement
 													.getPermittedUserList()
@@ -886,13 +876,10 @@ public class EditLectureLink_GUI extends JFrame {
 												4).toString().equals(username)) {
 
 							// a row is selected, do operations
-							String imagename = tableAllImages.getValueAt(
-									tableAllImages.getSelectedRow(), 0)
-									.toString();
 							try {
 								DateFormat formatter = new SimpleDateFormat(
 										"yyyy-MM-dd HH:mm:ss");
-								client.updateLecturedata(
+								ThriftManager.getSatClient().updateLecturedata(
 										Lecture.lecture.getName(),
 										Lecture.lecture.getNewName(),
 										Lecture.lecture.getShortDesc(),
@@ -922,7 +909,7 @@ public class EditLectureLink_GUI extends JFrame {
 
 								// remove all additional user permissions on
 								// first stage
-								client.deleteAllAdditionalLecturePermissions(
+								ThriftManager.getSatClient().deleteAllAdditionalLecturePermissions(
 										Lecture.lecture.getid(),
 										SessionData.session.getAuthToken(),
 										person.verantwortlicher.getUserID());
@@ -942,7 +929,7 @@ public class EditLectureLink_GUI extends JFrame {
 													+ RightsManagement.rightsManagement
 															.getPermittedUserList()
 															.size());
-									client.writeAdditionalLectureRights(
+									ThriftManager.getSatClient().writeAdditionalLectureRights(
 											Lecture.lecture.getName(),
 											RightsManagement.rightsManagement
 													.getPermittedUserList()
@@ -1145,14 +1132,11 @@ public class EditLectureLink_GUI extends JFrame {
 		mntmFaq.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mousePressed(MouseEvent arg0) {
-
-				OpenLinks open = new OpenLinks();
-
 				URI windows;
 				try {
 					windows = new URI(Links.getFAQ());
 
-					open.openWebpage(windows);
+					OpenLinks.openWebpage(windows);
 
 				} catch (URISyntaxException e) {
 					
@@ -1166,14 +1150,11 @@ public class EditLectureLink_GUI extends JFrame {
 		mntmOtrs.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mousePressed(MouseEvent arg0) {
-
-				OpenLinks open = new OpenLinks();
-
 				URI windows;
 				try {
 					windows = new URI(Links.getOTRS());
 
-					open.openWebpage(windows);
+					OpenLinks.openWebpage(windows);
 
 				} catch (URISyntaxException e) {
 					
@@ -1216,10 +1197,10 @@ public class EditLectureLink_GUI extends JFrame {
 		// Hole eine Liste der Images
 		if(person.verantwortlicher.getRole()=="Admin"){
 			//get complete list
-			images = client.getImageList(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken());
+			images = ThriftManager.getSatClient().getImageList(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken());
 		} else {
 			//get permitted list
-			images = client.getImageListPermissionLink(person.verantwortlicher
+			images = ThriftManager.getSatClient().getImageListPermissionLink(person.verantwortlicher
 				.getUserID(),SessionData.session.getAuthToken());
 		}
 
@@ -1259,10 +1240,10 @@ public class EditLectureLink_GUI extends JFrame {
 		// Hole eine Liste der Images
 		if(person.verantwortlicher.getRole()=="Admin"){
 			//get complete list
-			images = client.getImageList(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken());
+			images = ThriftManager.getSatClient().getImageList(person.verantwortlicher.getUserID(),SessionData.session.getAuthToken());
 		} else {
 			//get permitted list
-			images = client.getImageListPermissionLink(person.verantwortlicher
+			images = ThriftManager.getSatClient().getImageListPermissionLink(person.verantwortlicher
 				.getUserID(),SessionData.session.getAuthToken());
 		}
 
@@ -1301,8 +1282,8 @@ public class EditLectureLink_GUI extends JFrame {
 			List<Image> images;
 
 			// Hole eine Liste der Images
-			//images = client.getImageListPermissionLink(person.verantwortlicher.getUserID());
-			images = client.getImageListAllTemplates(SessionData.session.getAuthToken());
+			//images = ThriftManager.getSatClient().getImageListPermissionLink(person.verantwortlicher.getUserID());
+			images = ThriftManager.getSatClient().getImageListAllTemplates(SessionData.session.getAuthToken());
 
 			Iterator<Image> i = images.iterator();
 			SimpleDateFormat in = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
@@ -1356,7 +1337,7 @@ public class EditLectureLink_GUI extends JFrame {
 		try {
 			SimpleDateFormat in = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 			SimpleDateFormat out = new SimpleDateFormat("dd.MM.yyyy HH:mm:ss");
-			Map<String, String> res = client.getImageData(id, version,SessionData.session.getAuthToken());
+			Map<String, String> res = ThriftManager.getSatClient().getImageData(id, version,SessionData.session.getAuthToken());
 			labelName.setText(res.get("name"));
 			labelOS.setText(res.get("os"));
 			labelUpdate.setText(out.format(in.parse(res.get("lastupdate"))));
diff --git a/dozentenmodul/src/main/java/gui/lecture/EditLectureSearch_GUI.java b/dozentenmodul/src/main/java/gui/lecture/EditLectureSearch_GUI.java
index a3119b79..3f2da363 100644
--- a/dozentenmodul/src/main/java/gui/lecture/EditLectureSearch_GUI.java
+++ b/dozentenmodul/src/main/java/gui/lecture/EditLectureSearch_GUI.java
@@ -61,9 +61,8 @@ import models.SessionData;
 import models.person;
 
 import org.apache.thrift.TException;
-import org.openslx.sat.thrift.iface.Server.Client;
 
-import thrift.ThriftConnection;
+import thrift.ThriftManager;
 import util.OpenLinks;
 
 @SuppressWarnings("serial")
@@ -89,8 +88,6 @@ public class EditLectureSearch_GUI extends JFrame {
 	String[] titles = { "Veranstaltungsname", "Beschreibung",
 			"Gültigkeitsdatum", "Aktiv", "Letzte Benutzung",
 			"Verantwortlicher", "Image", "Schlagwort", "ID" };
-	ThriftConnection con = new ThriftConnection();
-	Client client = models.Client.clientcon.getClient();
 	private static final String HELP_MESSAGE = "<html><div align=\"center\">"
 			+ "Suchen Sie hier Ihre Veranstaltungen und wählen Sie sie für weitere Schritte aus.<br />"
 			+ "Klicken Sie anschließend auf \"Weiter\", um die Details der Veranstaltung sowie die Berechtigungen zu ändern."
@@ -105,7 +102,7 @@ public class EditLectureSearch_GUI extends JFrame {
 	final TableRowSorter<TableModel> rowSorterMyLectures = new TableRowSorter<TableModel>(
 			modelMyLectures);
 
-	RowFilter rf = null;
+	RowFilter<Object, Object> rf = null;
 	List<RowFilter<Object, Object>> filters = new ArrayList<RowFilter<Object, Object>>(
 			2);
 
@@ -123,12 +120,11 @@ public class EditLectureSearch_GUI extends JFrame {
 			public void windowClosing(WindowEvent arg0) {
 				// Beendet die Anwendung nach klick auf X
 				try {
-					client.setSessionInvalid(SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 				} catch (TException e) {
 					// TODO Auto-generated catch block
 					e.printStackTrace();
 				}
-				con.closeThriftConnection();
 				System.exit(0);
 			}
 
@@ -392,8 +388,6 @@ public class EditLectureSearch_GUI extends JFrame {
 				JButton btnContinue = new JButton("Weiter");
 				btnContinue.addActionListener(new ActionListener() {
 					public void actionPerformed(ActionEvent e) {
-						String username = person.verantwortlicher.getName()
-								+ " " + person.verantwortlicher.getVorname();
 						// check if a row is selected
 						if (tablemyLectures.getSelectedRow() != -1) {
 
@@ -598,14 +592,11 @@ public class EditLectureSearch_GUI extends JFrame {
 		mntmFaq.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mousePressed(MouseEvent arg0) {
-
-				OpenLinks open = new OpenLinks();
-
 				URI windows;
 				try {
 					windows = new URI(Links.getFAQ());
 
-					open.openWebpage(windows);
+					OpenLinks.openWebpage(windows);
 
 				} catch (URISyntaxException e) {
 
@@ -619,14 +610,11 @@ public class EditLectureSearch_GUI extends JFrame {
 		mntmOtrs.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mousePressed(MouseEvent arg0) {
-
-				OpenLinks open = new OpenLinks();
-
 				URI windows;
 				try {
 					windows = new URI(Links.getOTRS());
 
-					open.openWebpage(windows);
+					OpenLinks.openWebpage(windows);
 
 				} catch (URISyntaxException e) {
 
@@ -670,10 +658,10 @@ public class EditLectureSearch_GUI extends JFrame {
 			// Hole eine Liste der erlaubten Images für die diese Person
 			if(person.verantwortlicher.getRole()=="Admin"){
 				//get complete list
-				lectures = client.getLectureList(SessionData.session.getAuthToken());
+				lectures = ThriftManager.getSatClient().getLectureList(SessionData.session.getAuthToken());
 			} else {
 				//get permitted list
-				lectures = client.getLectureListPermissionWrite(SessionData.session.getAuthToken());
+				lectures = ThriftManager.getSatClient().getLectureListPermissionWrite(SessionData.session.getAuthToken());
 			}
 			
 			Iterator<org.openslx.sat.thrift.iface.Lecture> i = lectures.iterator();
@@ -732,7 +720,7 @@ public class EditLectureSearch_GUI extends JFrame {
 
 		SimpleDateFormat in = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 		SimpleDateFormat out = new SimpleDateFormat("dd.MM.yyyy HH:mm:ss");
-		Map<String, String> res = client.getLectureData(id,SessionData.session.getAuthToken());
+		Map<String, String> res = ThriftManager.getSatClient().getLectureData(id,SessionData.session.getAuthToken());
 		labelName.setText(res.get("name"));
 		labelAktiv.setText(res.get("isActive"));
 		labeldesc.setText(res.get("desc"));
@@ -750,7 +738,7 @@ public class EditLectureSearch_GUI extends JFrame {
 
 		try {
 			// get values from server and set them in model
-			map = client.getItemOwner(lectureid,SessionData.session.getAuthToken());
+			map = ThriftManager.getSatClient().getItemOwner(lectureid,SessionData.session.getAuthToken());
 
 			ItemOwner.itemOwner.setUserID(map.get("userID"));
 			ItemOwner.itemOwner.setUsername(map.get("loginName"));
diff --git a/dozentenmodul/src/main/java/gui/lecture/PermissionEditLecture_GUI.java b/dozentenmodul/src/main/java/gui/lecture/PermissionEditLecture_GUI.java
index ab53c43d..5eb40b0b 100644
--- a/dozentenmodul/src/main/java/gui/lecture/PermissionEditLecture_GUI.java
+++ b/dozentenmodul/src/main/java/gui/lecture/PermissionEditLecture_GUI.java
@@ -42,7 +42,6 @@ import javax.swing.UnsupportedLookAndFeelException;
 import javax.swing.border.EmptyBorder;
 import javax.swing.border.TitledBorder;
 import javax.swing.table.DefaultTableModel;
-import javax.swing.table.TableCellRenderer;
 import javax.swing.table.TableColumn;
 
 import models.Lecture;
@@ -53,8 +52,8 @@ import models.person;
 
 import org.apache.thrift.TException;
 import org.openslx.sat.thrift.iface.Person;
-import org.openslx.sat.thrift.iface.Server.Client;
 
+import thrift.ThriftManager;
 import util.CheckIntegrity;
 import util.ListAllOtherUsers_GUI;
 import util.OpenLinks;
@@ -62,7 +61,6 @@ import util.OpenLinks;
 @SuppressWarnings("serial")
 public class PermissionEditLecture_GUI extends JFrame {
 
-	Client client = models.Client.clientcon.getClient();
 	private final JPanel contentPanel = new JPanel();
 	String[] result;
 	private JTable table;
@@ -102,7 +100,7 @@ public class PermissionEditLecture_GUI extends JFrame {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
 				try {
-					client.setSessionInvalid(SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 				} catch (TException e) {
 					// TODO Auto-generated catch block
 					e.printStackTrace();
@@ -229,7 +227,7 @@ public class PermissionEditLecture_GUI extends JFrame {
 			//System.out.println("Loading data from db");
 			try {
 
-				map = client.getPermissionForUserAndLecture(
+				map = ThriftManager.getSatClient().getPermissionForUserAndLecture(
 						SessionData.session.getAuthToken(),Lecture.lecture.getid(),person.verantwortlicher.getUserID()
 						);
 				Iterator<Person> i = map.iterator();
@@ -268,9 +266,7 @@ public class PermissionEditLecture_GUI extends JFrame {
 					.getPermittedUserList();
 			Iterator<person> i = listt.iterator();
 
-			int x = 0;
 			while (i.hasNext()) {
-				// System.out.println("current pos=" + x);
 				// erzeuge Objekte fuer die Tabelle
 				person temp = i.next();
 
@@ -286,7 +282,6 @@ public class PermissionEditLecture_GUI extends JFrame {
 				//		+ temp.isLecture_admin() + ", " + temp.getUserID());
 				// Fuege diese Objekte der Tabelle hinzu
 				model.addRow(obj);
-				x++;
 			}
 		}// end set list of permitted users
 
@@ -294,7 +289,6 @@ public class PermissionEditLecture_GUI extends JFrame {
 		// Boolean(false),new Boolean(false),new Boolean(false)};
 		// model.addRow(rowdata);
 
-		TableCellRenderer rend = table.getTableHeader().getDefaultRenderer();
 
 		TableColumn tc1 = table.getColumnModel().getColumn(1);
 		tc1.setCellEditor(table.getDefaultEditor(Boolean.class));
@@ -503,14 +497,11 @@ public class PermissionEditLecture_GUI extends JFrame {
 		mntmFaq.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mousePressed(MouseEvent arg0) {
-
-				OpenLinks open = new OpenLinks();
-
 				URI windows;
 				try {
 					windows = new URI(Links.getFAQ());
 
-					open.openWebpage(windows);
+					OpenLinks.openWebpage(windows);
 
 				} catch (URISyntaxException e) {
 					
@@ -524,14 +515,11 @@ public class PermissionEditLecture_GUI extends JFrame {
 		mntmOtrs.addMouseListener(new MouseAdapter() {
 			@Override
 			public void mousePressed(MouseEvent arg0) {
-
-				OpenLinks open = new OpenLinks();
-
 				URI windows;
 				try {
 					windows = new URI(Links.getOTRS());
 
-					open.openWebpage(windows);
+					OpenLinks.openWebpage(windows);
 
 				} catch (URISyntaxException e) {
 					
@@ -593,8 +581,6 @@ public class PermissionEditLecture_GUI extends JFrame {
 	// save the entered rights into the model and prepare them to be written to
 	// the database
 	private void saveTableToList() {
-		//System.out.println("Saving Table to List");
-
 		List<person> list = new ArrayList<person>();
 
 		int seperatorIndex = 0;
@@ -608,22 +594,6 @@ public class PermissionEditLecture_GUI extends JFrame {
 
 			seperatorIndex = table.getModel().getValueAt(i, 0).toString()
 					.indexOf(",");
-			//LOGGER.info(table.getModel().getValueAt(i, 4).toString()
-			//		+ " (userID)\t"
-			//		+ Boolean.parseBoolean(table.getModel().getValueAt(i, 3)
-			//				.toString())
-			//		+ "(admin)\t"
-			//		+ Boolean.parseBoolean(table.getModel().getValueAt(i, 2)
-			//				.toString())
-			//		+ "(write)\t"
-			//		+ Boolean.parseBoolean(table.getModel().getValueAt(i, 1)
-			//				.toString())
-			//		+ "(read)\t"
-			//		+ table.getModel().getValueAt(i, 0).toString()
-			//				.substring(0, seperatorIndex)
-			//		+ "(Nachname)\t"
-			//		+ table.getModel().getValueAt(i, 0).toString()
-			//				.substring(seperatorIndex + 2) + "(Vorname)");
 
 			temp.setUserID(table.getModel().getValueAt(i, 4).toString()); // get
 			// userID
@@ -651,10 +621,6 @@ public class PermissionEditLecture_GUI extends JFrame {
 			}
 		}
 
-		//for (int y = 0; y < list.size(); y++) {
-		//	System.out.println("" + list.get(y).getName());
-		//}
-
 		RightsManagement.rightsManagement.setPermittedUserList(list);
 	}// end saveTableToList()
 
@@ -712,38 +678,3 @@ public class PermissionEditLecture_GUI extends JFrame {
 		}
 	}
 }
-/*
- * class CheckBoxHeader extends JCheckBox implements TableCellRenderer,
- * MouseListener { protected CheckBoxHeader rendererComponent; protected int
- * column; protected boolean mousePressed = false;
- * 
- * public CheckBoxHeader(ItemListener itemListener ,String text) {
- * rendererComponent = this; rendererComponent.addItemListener(itemListener);
- * rendererComponent.setText(text); }
- * 
- * public Component getTableCellRendererComponent( JTable table, Object value,
- * boolean isSelected, boolean hasFocus, int row, int column) { if (table !=
- * null) { JTableHeader header = table.getTableHeader(); if (header != null) {
- * rendererComponent.setForeground(header.getForeground());
- * rendererComponent.setBackground(header.getBackground());
- * rendererComponent.setFont(header.getFont());
- * rendererComponent.setBorder(header.getBorder());
- * header.addMouseListener(rendererComponent); } } setColumn(column);
- * //rendererComponent.setText("Check All");
- * //setBorder(UIManager.getBorder("TableHeader.cellBorder"));
- * 
- * return rendererComponent; } protected void setColumn(int column) {
- * this.column = column; } public int getColumn() { return column; } protected
- * void handleClickEvent(MouseEvent e) { if (mousePressed) { mousePressed=false;
- * JTableHeader header = (JTableHeader)(e.getSource()); JTable tableView =
- * header.getTable(); TableColumnModel columnModel = tableView.getColumnModel();
- * int viewColumn = columnModel.getColumnIndexAtX(e.getX()); int column =
- * tableView.convertColumnIndexToModel(viewColumn);
- * 
- * if (viewColumn == this.column && e.getClickCount() == 1 && column != -1) {
- * doClick(); } } } public void mouseClicked(MouseEvent e) {
- * handleClickEvent(e); ((JTableHeader)e.getSource()).repaint(); } public void
- * mousePressed(MouseEvent e) { mousePressed = true; } public void
- * mouseReleased(MouseEvent e) { } public void mouseEntered(MouseEvent e) { }
- * public void mouseExited(MouseEvent e) { } }
- */
diff --git a/dozentenmodul/src/main/java/gui/lecture/SearchLecture_GUI.java b/dozentenmodul/src/main/java/gui/lecture/SearchLecture_GUI.java
index bd387fab..fbb24849 100644
--- a/dozentenmodul/src/main/java/gui/lecture/SearchLecture_GUI.java
+++ b/dozentenmodul/src/main/java/gui/lecture/SearchLecture_GUI.java
@@ -60,9 +60,8 @@ import models.person;
 
 import org.apache.thrift.TException;
 import org.openslx.sat.thrift.iface.Lecture;
-import org.openslx.sat.thrift.iface.Server.Client;
 
-import thrift.ThriftConnection;
+import thrift.ThriftManager;
 import util.OpenLinks;
 
 @SuppressWarnings("serial")
@@ -89,8 +88,6 @@ public class SearchLecture_GUI extends JFrame {
 	String[] titles = { "Veranstaltungsname", "Beschreibung",
 			"Gültigkeitsdatum", "Aktiv", "Letzte Benutzung",
 			"Verantwortlicher", "Image", "Schlagwort", "ID" };
-	ThriftConnection con = new ThriftConnection();
-	Client client = models.Client.clientcon.getClient();
 	
 	final DefaultTableModel modelAll = new DefaultTableModel(titles, 0){
 		 public boolean isCellEditable(int rowIndex, int mColIndex) {
@@ -127,9 +124,8 @@ public class SearchLecture_GUI extends JFrame {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
 				// Beendet die Anwendung nach klick auf X
-				con.closeThriftConnection();
 				try {
-					client.setSessionInvalid(SessionData.session.getAuthToken());
+					ThriftManager.getSatClient().setSessionInvalid(SessionData.session.getAuthToken());
 				} catch (TException e) {
 					// TODO Auto-generated catch block
 					e.printStackTrace();
@@ -628,10 +624,10 @@ public class SearchLecture_GUI extends JFrame {
 			// Hole eine Liste der erlaubten Images für die diese Person
 			if(person.verantwortlicher.getRole()=="Admin"){
 				//get complete list
-				lectures = client.getLectureList(SessionData.session.getAuthToken());
+				lectures = ThriftManager.getSatClient().getLectureList(SessionData.session.getAuthToken());
 			} else {
 				//get permitted list			
-				lectures = client.getLectureListPermissionRead(SessionData.session.getAuthToken());
+				lectures = ThriftManager.getSatClient().getLectureListPermissionRead(SessionData.session.getAuthToken());
 			}
 			
 			Iterator<Lecture> i = lectures.iterator();
@@ -671,8 +667,8 @@ public class SearchLecture_GUI extends JFrame {
 		List<Lecture> lectures;
 		try {
 			// Hole eine Liste der erlaubten Images für die diese Person
-			//lectures = client.getLectureList();
-			lectures = client.getLectureList(SessionData.session.getAuthToken());
+			//lectures = ThriftManager.getSatClient().getLectureList();
+			lectures = ThriftManager.getSatClient().getLectureList(SessionData.session.getAuthToken());
 			Iterator<Lecture> i = lectures.iterator();
 			SimpleDateFormat in=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 			SimpleDateFormat out=new SimpleDateFormat("dd.MM.yyyy HH:mm:ss");
@@ -725,7 +721,7 @@ public class SearchLecture_GUI extends JFrame {
  
 			SimpleDateFormat in=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 			SimpleDateFormat out=new SimpleDateFormat("dd.MM.yyyy HH:mm:ss");
-			Map<String,String> res=client.getLectureData(id,SessionData.session.getAuthToken());
+			Map<String,String> res=ThriftManager.getSatClient().getLectureData(id,SessionData.session.getAuthToken());
 			labelName.setText(res.get("name"));
 			labelAktiv.setText(res.get("isActive"));
 			labeldesc.setText(res.get("desc"));
diff --git a/dozentenmodul/src/main/java/thrift/MasterThriftConnection.java b/dozentenmodul/src/main/java/thrift/MasterThriftConnection.java
deleted file mode 100644
index 686d0944..00000000
--- a/dozentenmodul/src/main/java/thrift/MasterThriftConnection.java
+++ /dev/null
@@ -1,42 +0,0 @@
-package thrift;
-
-import org.apache.log4j.Logger;
-import org.apache.thrift.protocol.TBinaryProtocol;
-import org.apache.thrift.protocol.TProtocol;
-import org.apache.thrift.transport.TFramedTransport;
-import org.apache.thrift.transport.TSocket;
-import org.apache.thrift.transport.TTransport;
-import org.apache.thrift.transport.TTransportException;
-import org.openslx.imagemaster.thrift.iface.ImageServer.Client;
-
-public class MasterThriftConnection {
-
-	private final static Logger LOGGER = Logger.getLogger(MasterThriftConnection.class);
-	
-	public static final String MASTERSERVER_IP = "132.230.4.16";
-	public static final int MASTERSERVER_PORT = 9090;
-	public static final int MASTERSERVER_TIMEOUT_MS = 30000;
-
-	final TTransport transport = new TFramedTransport(new TSocket(
-			MASTERSERVER_IP, MASTERSERVER_PORT, MASTERSERVER_TIMEOUT_MS));
-
-	public Client getMasterThriftConnection() {
-
-		try {
-			transport.open();
-		} catch (TTransportException e) {
-			LOGGER.error("Keine Verbindung möglich!");
-			return null;
-		}
-
-		final TProtocol protocol = new TBinaryProtocol(transport);
-		final Client client = new Client(protocol);
-		LOGGER.info("Masterserver '" + MASTERSERVER_IP + "' erreichbar.");
-
-		return client;
-	}
- 
-	public void closeMasterThriftConnection() {
-		transport.close();
-	}
-}
diff --git a/dozentenmodul/src/main/java/thrift/ThriftConnection.java b/dozentenmodul/src/main/java/thrift/ThriftConnection.java
deleted file mode 100644
index a026ef03..00000000
--- a/dozentenmodul/src/main/java/thrift/ThriftConnection.java
+++ /dev/null
@@ -1,77 +0,0 @@
-package thrift;
-
-import javax.swing.JOptionPane;
-
-import models.SessionData;
-
-import org.apache.log4j.Logger;
-import org.apache.thrift.protocol.TBinaryProtocol;
-import org.apache.thrift.protocol.TProtocol;
-import org.apache.thrift.transport.TSocket;
-import org.apache.thrift.transport.TTransport;
-import org.openslx.sat.thrift.iface.Server;
-import org.openslx.sat.thrift.iface.Server.Client;
-import org.openslx.sat.thrift.version.Version;
-
-public class ThriftConnection {
-
-	private final static Logger LOGGER = Logger
-			.getLogger(ThriftConnection.class);
-
-	private String satAddress = SessionData.session.getServerAdress();
-	final TTransport transport = new TSocket(satAddress, 9090, 10000);
-
-	public Client getThriftConnection() {
-
-		try {
-			transport.open();
-		} catch (Exception e) {
-			LOGGER.error("Keine Verbindung möglich! Satellit: " + satAddress, e);
-			JOptionPane.showMessageDialog(null,
-					"Konnte keine Verbindung zum Satellit '" + satAddress
-							+ "' aufbauen!", "Debug-Message",
-					JOptionPane.ERROR_MESSAGE);
-			return null;
-		}
-
-		final TProtocol protocol = new TBinaryProtocol(transport);
-		final Server.Client client = new Server.Client(protocol);
-		LOGGER.info("Verbindung zu " + satAddress + " wurde aufgebaut.");
-
-		long remoteVersion;
-		try {
-			remoteVersion = client.getVersion();
-		} catch (Exception e) {
-			LOGGER.error(
-					"Could not query sat server version after successful connect! Assuming untagged version 1",
-					e);
-			remoteVersion = 1;
-		}
-		String text = null;
-		if (remoteVersion > Version.VERSION) {
-			text = "Das von Ihnen verwendete Dozentenmodul ist zu alt, um mit dem Satelliten-Server zu verbinden.\n"
-					+ "Sie verwenden Version "
-					+ Version.VERSION
-					+ ", der Satellit "
-					+ remoteVersion
-					+ "\n"
-					+ "Aktuelle Version unter http://bwlehrpool.hs-offenburg.de/";
-		} else if (remoteVersion < Version.VERSION) {
-			text = "Das von Ihnen verwendete Dozentenmodul ist zu neu, um mit dem Satelliten-Server zu verbinden.\n"
-					+ "Sie verwenden Version "
-					+ Version.VERSION
-					+ ", der Satellit " + remoteVersion;
-		}
-		if (text != null) {
-			JOptionPane.showMessageDialog(null, text, "Fehler",
-					JOptionPane.ERROR_MESSAGE);
-		}
-
-		return client;
-	}
-
-	public void closeThriftConnection() {
-		LOGGER.info("Verbindung wird geplant getrennt.");
-		transport.close();
-	}
-}
diff --git a/dozentenmodul/src/main/java/thrift/ThriftManager.java b/dozentenmodul/src/main/java/thrift/ThriftManager.java
new file mode 100644
index 00000000..716c4439
--- /dev/null
+++ b/dozentenmodul/src/main/java/thrift/ThriftManager.java
@@ -0,0 +1,155 @@
+package thrift;
+
+import org.apache.log4j.Logger;
+import org.apache.thrift.protocol.TBinaryProtocol;
+import org.apache.thrift.protocol.TProtocol;
+import org.apache.thrift.transport.TFramedTransport;
+import org.apache.thrift.transport.TSocket;
+import org.apache.thrift.transport.TTransport;
+import org.apache.thrift.transport.TTransportException;
+import org.openslx.imagemaster.thrift.iface.ImageServer;
+import org.openslx.sat.thrift.iface.Server;
+
+public class ThriftManager {
+
+	private final static Logger LOGGER = Logger.getLogger(ThriftManager.class);
+	
+	/** 
+	 * Public variables to represent client types
+	 * TODO: Public needed?
+	 */
+	public static enum ClientType {
+		MASTER, SATELLITE
+	}
+	/**
+	 * Private singleton instances of itself and the satellite/master clients
+	 */
+	private static ThreadLocal<ThriftManager> _instance = null;
+	private static ThreadLocal<Server.Client> _satClient = new ThreadLocal<>();
+	private static ThreadLocal<ImageServer.Client> _masterClient = new ThreadLocal<>();
+	
+	/**
+	 * Private members for master connection information
+	 */
+	private static final String MASTERSERVER_IP = "132.230.4.16";
+	private static final int 		MASTERSERVER_PORT = 9090;
+	private static final int 		MASTERSERVER_TIMEOUT = 30000;
+	
+	
+	/**
+	 * Private members for satellite connection information
+	 */
+	private static String 			SATELLITE_IP = null;
+	private static final int 		SATELLITE_PORT = 9090;
+	private static final int 		SATELLITE_TIMEOUT = 10000;
+	
+	/**
+	 * Protected constructor to avoid external instantiation 
+	 */
+	protected ThriftManager() {
+		if (_instance.get() == null) {
+			_instance.set(new ThriftManager());
+		}
+		if (_instance.get() == null) {
+			// something very wrong...
+			LOGGER.error("Could not initialize Thrift Manager, this should not happen. Contact a developper.");
+			// TODO handle: exit? message box?
+		}
+	}
+	
+	/**
+	 * Initialise the client of type 'type' with give ip, port and timeout.
+	 * 
+	 * @param type type of the client. Valid are 'MASTER' or 'SATELLITE'
+	 * @param ip ip of the server to connect to
+	 * @param port port of the server to connect to
+	 * @param timeout timeout of the connection in milliseconds
+	 * @return true if initializing the client worked, false otherwise
+	 */
+	private static boolean init(ClientType type, String ip, int port, int timeout) {
+
+		/*
+		 * Master Connection
+		 */
+		if (type == ClientType.MASTER) {
+			TTransport transport = 
+					new TFramedTransport(new TSocket(MASTERSERVER_IP, MASTERSERVER_PORT, MASTERSERVER_TIMEOUT));
+			try {
+				transport.open();
+			} catch (TTransportException e) {
+				LOGGER.error("Could not open transport to thrift's server with IP: " + MASTERSERVER_IP);
+				return false;
+			}
+			final TProtocol protocol = new TBinaryProtocol(transport);
+			// now we are ready to create the client, according to ClientType!
+			_masterClient.set(new ImageServer.Client(protocol));
+			LOGGER.info("Masterserver '" + MASTERSERVER_IP + "' reachable. Client initialised.");
+		}
+		/*
+		 * Satellite Connection
+		 */
+		if (type == ClientType.SATELLITE) {
+			// first check if we have a sat ip
+			if (SATELLITE_IP == null) {
+				LOGGER.error("Satellite ip adress was not set prior to getting the sat client. Use setSatellite(<ip>).");
+				return false;
+			}
+			// ok lets do it
+			TTransport transport = 
+					new TSocket(SATELLITE_IP, SATELLITE_PORT, SATELLITE_TIMEOUT);
+			try {
+				transport.open();
+			} catch (TTransportException e) {
+				LOGGER.error("Could not open transport to thrift's server with IP: " + SATELLITE_IP);
+				return false;
+			}
+			final TProtocol protocol = new TBinaryProtocol(transport);
+			// now we are ready to create the client, according to ClientType!
+			_satClient.set(new Server.Client(protocol));
+		}
+		return true;
+	}
+	/**
+	 * Sets the IP of the satellite to connect to
+	 * @param ip the ip of the satellite as String
+	 * @return true if setting the ip worked, false otherwise
+	 */
+	public static boolean setSatellite(String ip) {
+		if (ip.isEmpty()) {
+			LOGGER.error("Given IP for satellite is empty.");
+			return false;
+		}
+		SATELLITE_IP = ip;
+		return true;
+	}
+	/** 
+	 * Returns the singleton client of the thrift connection to the satellite
+	 * @return the thrift client to the satellite server
+	 */
+	public static Server.Client getSatClient() {
+			if (_satClient.get() == null) {
+				init(ClientType.SATELLITE, SATELLITE_IP, SATELLITE_PORT, SATELLITE_TIMEOUT);
+			}
+			if (_satClient.get() == null) {
+				LOGGER.error("Satelite client still null. Initialisation must have failed. Contact developper.");
+				return null;
+			}
+			return _satClient.get();
+	}
+	
+	/**
+	 * Returns the singleton client of the master thrift connection
+	 * @return the thrift client to the master server
+	 */
+	public static ImageServer.Client getMasterClient() {
+		if (_masterClient.get() == null) {
+			LOGGER.debug("Initialising master thrift client...");
+			init(ClientType.MASTER, MASTERSERVER_IP, MASTERSERVER_PORT, MASTERSERVER_TIMEOUT);
+		}
+		if (_masterClient.get() == null) {
+			LOGGER.error("Satellite client still null. Initialisation must have failed. Contact developper.");
+			return null;
+		}
+		return _masterClient.get();
+	}
+}
diff --git a/dozentenmodul/src/main/java/util/ListAllOtherUsers_GUI.java b/dozentenmodul/src/main/java/util/ListAllOtherUsers_GUI.java
index e09f0b08..56adaf4f 100644
--- a/dozentenmodul/src/main/java/util/ListAllOtherUsers_GUI.java
+++ b/dozentenmodul/src/main/java/util/ListAllOtherUsers_GUI.java
@@ -30,7 +30,6 @@ import javax.swing.JPanel;
 import javax.swing.JScrollPane;
 import javax.swing.JSeparator;
 import javax.swing.JTable;
-import javax.swing.JTextField;
 import javax.swing.JTextPane;
 import javax.swing.UIManager;
 import javax.swing.UnsupportedLookAndFeelException;
@@ -46,9 +45,8 @@ import models.person;
 import org.apache.log4j.Logger;
 import org.apache.thrift.TException;
 import org.openslx.sat.thrift.iface.Person;
-import org.openslx.sat.thrift.iface.Server.Client;
 
-import thrift.ThriftConnection;
+import thrift.ThriftManager;
 
 @SuppressWarnings("serial")
 public class ListAllOtherUsers_GUI extends JFrame {
@@ -62,14 +60,9 @@ public class ListAllOtherUsers_GUI extends JFrame {
 	boolean activeSearch = false;
 
 	String[] titles = { "userID", "Nachname", "Vorname", "Mail" };
-
-	ThriftConnection con = new ThriftConnection();
-	Client client = models.Client.clientcon.getClient();
-	//final DefaultTableModel modelUsers = new DefaultTableModel(titles, 0);
 	
 	private JButton btnAdd;
 	private List<Person> map = null; // List of people
-	private JTextField textField;
 	Component c = null;
 	private JTable table;
 	private int userIDPos;
@@ -111,7 +104,6 @@ public class ListAllOtherUsers_GUI extends JFrame {
 			@Override
 			public void windowClosing(WindowEvent arg0) {
 				// Beendet die Anwendung nach klick auf X
-				con.closeThriftConnection();
 				dispose();
 			}
 
@@ -290,12 +282,10 @@ public class ListAllOtherUsers_GUI extends JFrame {
 			@Override
 			public void mousePressed(MouseEvent arg0) {
 
-				OpenLinks open = new OpenLinks();
-
 				URI windows;
 				try {
 					windows = new URI(Links.getFAQ());
-					open.openWebpage(windows);
+					OpenLinks.openWebpage(windows);
 				} catch (URISyntaxException e) {
 
 					e.printStackTrace();
@@ -309,11 +299,10 @@ public class ListAllOtherUsers_GUI extends JFrame {
 			@Override
 			public void mousePressed(MouseEvent arg0) {
 
-				OpenLinks open = new OpenLinks();
 				URI windows;
 				try {
 					windows = new URI(Links.getOTRS());
-					open.openWebpage(windows);
+					OpenLinks.openWebpage(windows);
 				} catch (URISyntaxException e) {
 					e.printStackTrace();
 				}
@@ -362,7 +351,7 @@ public class ListAllOtherUsers_GUI extends JFrame {
 			}			
 			
 			//get the info
-			map = client.getAllOtherSatelliteUsers(user,SessionData.session.getAuthToken());
+			map = ThriftManager.getSatClient().getAllOtherSatelliteUsers(user,SessionData.session.getAuthToken());
 			Iterator<Person> i = map.iterator();
 
 			int x = 0;
diff --git a/dozentenmodul/src/main/java/util/ServiceProviderResponse.java b/dozentenmodul/src/main/java/util/ServiceProviderResponse.java
index 62819ded..99f120f1 100644
--- a/dozentenmodul/src/main/java/util/ServiceProviderResponse.java
+++ b/dozentenmodul/src/main/java/util/ServiceProviderResponse.java
@@ -1,14 +1,7 @@
 package util;
 
 public class ServiceProviderResponse {
-	private String status;
-
-	public String getStatus() {
-		return status;
-	}
-
-	public void setStatus(String sTATUS) {
-		status = sTATUS;
-	}
-	
+	public String status;
+	public String id;
+	public String url;
 }
diff --git a/dozentenmodul/src/main/java/util/ShibbolethECP.java b/dozentenmodul/src/main/java/util/ShibbolethECP.java
index 3dea9e3e..b834b1a2 100644
--- a/dozentenmodul/src/main/java/util/ShibbolethECP.java
+++ b/dozentenmodul/src/main/java/util/ShibbolethECP.java
@@ -1,8 +1,10 @@
 package util;
 
 import java.io.IOException;
+import java.net.MalformedURLException;
 import java.net.URI;
 import java.net.URISyntaxException;
+import java.net.URL;
 
 import org.apache.http.HttpResponse;
 import org.apache.http.ParseException;
@@ -31,13 +33,19 @@ public class ShibbolethECP {
 	private static final Gson GSON = new GsonBuilder().create();
 	
 	/**
+	 * URL for bwLehrpool registration  
+	 */
+	private static URL _registrationUrl = null;
+	/**
 	 * Return codes
 	 */
 	public static enum ReturnCode {
 		NO_ERROR(0, "Authentication against the identity provider and request of the service provider resource worked."),
 	  ERROR_IDP(1, "Authentication against the identity provider failed."),
-	  ERROR_SP(2, "Invalid resource of the service provider."),
-		ERROR_OTHER(3, "Internal class error.");
+	  ERROR_UNREG(2, "User not registered to use bwLehrpool"),
+	  ERROR_SP(3, "Invalid resource of the service provider."),
+	  ERROR_URL(4, "Invalid URL received from master server."),
+		ERROR_OTHER(5, "Internal class error.");
 
 	  private final int id;
 	  private final String msg;
@@ -63,7 +71,7 @@ public class ShibbolethECP {
 	static {
 		URI tmp;
 		try {
-			tmp = new URI("https://bwlp-masterserver.ruf.uni-freiburg.de/secure-all/test.php");
+			tmp = new URI("https://bwlp-masterserver.ruf.uni-freiburg.de/secure-all/api.php");
 		} catch (URISyntaxException e) {
 			// should never happen!
 			LOGGER.error("Bad URI syntax of the service provider, see trace: ", e);
@@ -148,9 +156,23 @@ public class ShibbolethECP {
     	LOGGER.error("Bad JSON syntax, see trace: ", e);
     	return ReturnCode.ERROR_SP;
     }
-    LOGGER.debug("SP JSON STATUS: " + spr.getStatus());
     // TODO: here we will need to parse the answer accordingly.
     // no errors, meaning everything worked fine.
-    return spr.getStatus().equals("funzt") ? ReturnCode.NO_ERROR : ReturnCode.ERROR_SP;
+    if (spr.status.equals("unregistered")) {
+    	try {
+				_registrationUrl = new URL(spr.url);
+			} catch (MalformedURLException e) {
+				LOGGER.error("URL returned by masterserver is malformed, see trace: " + e);
+				return ReturnCode.ERROR_URL;
+			}
+    	return ReturnCode.ERROR_UNREG;
+    }
+    // TODO the rest of the cases...
+    
+    // still here? then something else went wrong
+    return ReturnCode.ERROR_OTHER;
+	}
+	public static URL getRegistrationUrl() {
+		return _registrationUrl;
 	}
 }
author	Jonathan Bauer	2015-03-02 13:22:44 +0100
committer	Jonathan Bauer	2015-03-02 13:22:44 +0100
commit	ea9f9848a6e7a68dc90decc2e38bd3e1081ebf8a (patch)
tree	1e252164aa23b6b74d30c6185fda06ceddcd6041 /dozentenmodul
parent	pom.xml (diff)
download	tutor-module-ea9f9848a6e7a68dc90decc2e38bd3e1081ebf8a.tar.gz tutor-module-ea9f9848a6e7a68dc90decc2e38bd3e1081ebf8a.tar.xz tutor-module-ea9f9848a6e7a68dc90decc2e38bd3e1081ebf8a.zip