Merge branch 'master' of ssh://git.openslx.org/openslx-ng/tutor-module

Conflicts:
	dozentenmodul/src/main/java/gui/image/CreateImageTechnisch_GUI.java
	dozentenmodul/src/main/java/gui/image/EditImageTechnisch_GUI.java
	dozentenmodul/src/main/java/gui/image/FTPCreateUploader_GUI.java

möp. großes geschrei, fehler bitte an mich.
	dozentenmodul/src/main/java/gui/image/FTPEditDownloader_GUI.java
	dozentenmodul/src/main/java/gui/image/FTPEditUploader_GUI.java
	dozentenmodul/src/main/java/gui/image/SearchImage_GUI.java
	dozentenmodul/src/main/java/gui/lecture/DeleteLecture_GUI.java
	dozentenmodul/src/main/java/gui/lecture/EditLectureAllgemein_GUI.java
	dozentenmodul/src/main/java/gui/lecture/EditLectureLink_GUI.java
	dozentenmodulserver/src/main/java/server/ServerHandler.java
	dozentenmodulserver/src/main/java/server/generated/Server.java
	dozentenmodulserver/thrift/server.thrift

2 files changed, 1118 insertions, 170 deletions

diff --git a/dozentenmodulserver/src/main/java/server/ServerHandler.java b/dozentenmodulserver/src/main/java/server/ServerHandler.java
index d9a663c4..0deb1037 100644
--- a/dozentenmodulserver/src/main/java/server/ServerHandler.java
+++ b/dozentenmodulserver/src/main/java/server/ServerHandler.java
@@ -34,19 +34,17 @@ import thrift.MasterThriftConnection;
 //import thrift.SessionData;
 
 import sql.SQL;
+
 //import util.XMLCreator;
 
-public class ServerHandler implements Server.Iface 
-{
-	
+public class ServerHandler implements Server.Iface {
+
 	private static Logger log = Logger.getLogger(ServerHandler.class);
 	static SQL sql = new SQL();
 	
 	private Map<String,UserInfo> tokenManager = new HashMap<>(); //saves the current tokens and the mapped userdata, returning from the server
 
-	
-	
-	 
+
 	public boolean authenticated(String token) throws TException
 	{	
 		if(tokenManager.get(token) != null)
@@ -97,18 +95,15 @@ public class ServerHandler implements Server.Iface
 			return true;
 		}
 		return false;
-	}
-	
-
 
-
-	
+	}
 
 	@Override
 	public User getFtpUser(String token) throws TException 
 	{
 		if(authenticated(token))
 		{
+
 			log.info("returning FTPUser...");
 			User user = new User();
 			user.setUserName(UUID.randomUUID().toString().substring(0, 8));
@@ -119,7 +114,7 @@ public class ServerHandler implements Server.Iface
 			} else {
 				user.setPath(Configuration.config.getAbsolute_path() + "/");
 			}
-	
+
 			// check if folder temp and folder prod exist
 			if (folderTempExists() == true && folderProdExists() == true) {
 				sql.writeFTPUser(user.getUserName(), user.getPassword());
@@ -130,12 +125,10 @@ public class ServerHandler implements Server.Iface
 			}
 		}
 		return null;
-		
+
 	}
 
-	
-	public boolean folderTempExists() 
-	{
+	public boolean folderTempExists() {
 		// check if folder temp exists, otherwise create it
 		Path path = null;
 		if (Configuration.config.getAbsolute_path().endsWith("/")) {
@@ -145,15 +138,14 @@ public class ServerHandler implements Server.Iface
 		}
 
 		if (Files.exists(path) == true) {
-			log.info("folder '" + path	+ "' exists, no further action");
+			log.info("folder '" + path + "' exists, no further action");
 			return true;
 		} else {
 			// create directory and set permissions
 			boolean success = (new File(path + "")).mkdirs();
 
 			if (!success) {
-				log.info("failed to create folder '" + path
-						+ "'");
+				log.info("failed to create folder '" + path + "'");
 				return false;
 			} else {
 				// set permissions
@@ -162,13 +154,12 @@ public class ServerHandler implements Server.Iface
 				} catch (IOException e) {
 					e.printStackTrace();
 				}
-				log.info("folder '" + path	+ "' successfully created");
+				log.info("folder '" + path + "' successfully created");
 				return true;
 			}
 		}
 
 	}// end folderTempExists()
-	
 
 	public boolean folderProdExists() {
 		// check if folder temp exists, otherwise create it
@@ -180,15 +171,14 @@ public class ServerHandler implements Server.Iface
 		}
 
 		if (Files.exists(path) == true) {
-			log.info("folder '" + path	+ "' exists, no further action");
+			log.info("folder '" + path + "' exists, no further action");
 			return true;
 		} else {
 			// create directory and set permissions
 			boolean success = (new File(path + "")).mkdirs();
 
 			if (!success) {
-				log.info("failed to create folder '" + path
-						+ "'");
+				log.info("failed to create folder '" + path + "'");
 				return false;
 			} else {
 				// set permissions
@@ -197,15 +187,13 @@ public class ServerHandler implements Server.Iface
 				} catch (IOException e) {
 					e.printStackTrace();
 				}
-				log.info("folder '" + path
-						+ "' successfully created");
+				log.info("folder '" + path + "' successfully created");
 				return true;
 			}
 		}
 
 	}// end folderProdExists()
 
-	
 	public String getEncodedSha1Sum(String key) {
 		try {
 			MessageDigest md = MessageDigest.getInstance("SHA1");
@@ -220,10 +208,12 @@ public class ServerHandler implements Server.Iface
 
 	
 	@Override
+
 	public long DeleteFtpUser(String user, String token) throws TException 
 	{
 		if(authenticated(token))
 		{
+
 			return sql.DeleteUser(user);
 		}
 		return -1;
@@ -231,22 +221,24 @@ public class ServerHandler implements Server.Iface
 
 	
 	@Override
+
 	public String getPathOfImage(String image_id, String version, String token) throws TException 
 	{
 		if(authenticated(token))
 		{
 			log.info("successfully returned PathOfImage: " + sql.getPathOfImage(image_id, version));
+
 			return sql.getPathOfImage(image_id, version);
 		}
 		return null;
 	}
 
-	
 	@Override
 	public String setInstitution(String university, String token) throws TException 
 	{
 		if(authenticated(token))
 		{
+
 			return sql.setInstitution(university);
 		}
 		return null;
@@ -269,77 +261,79 @@ public class ServerHandler implements Server.Iface
 			} else {
 				mode = "to_be_published";
 			}
-	
+
 			// String pk_institution = sql.setInstitution(university);
-			// String pk_person = sql.setPerson(login, lastname, firstname, Mail,
+			// String pk_person = sql.setPerson(login, lastname, firstname,
+			// Mail,
 			// new Date(), pk_institution);
-	
+
 			// OS impl Select and write
-			// ACHTUNG: Anzahl der Leerzeichen muss eingehalten werden: 'Windows 7
+			// ACHTUNG: Anzahl der Leerzeichen muss eingehalten werden: 'Windows
+			// 7
 			// 32 bit"
-			String pk_os = sql.getOSpk(os.substring(0, nthIndexOf(os, " ", 2)), os
-					.substring(nthIndexOf(os, " ", 2), os.lastIndexOf(" "))
-					.replace(" ", ""));
-	
+			String pk_os = sql.getOSpk(os.substring(0, nthIndexOf(os, " ", 2)),
+					os.substring(nthIndexOf(os, " ", 2), os.lastIndexOf(" "))
+							.replace(" ", ""));
+
 			// sql.setImageData(pk_person, license, internet, cpu, ram,
 			// imagename,desc, imagePath, filesize,mode,pk_os);
-	
-			
-			
+
 			sql.setImageData(userID, license, internet, cpu, ram, imagename, desc,
 					imagePath, filesize, mode, pk_os, uid);
 	
 			log.info("userID in serverhandler was: "+userID);
+
 			log.info("written VLdata");
 			return true;
 		}
 		return false;
 	}
 
-	
 	@Override
+
 	public List<Image> getImageListPermissionWrite(String userID, String token) throws TException 
 	{
 		if(authenticated(token))
 		{
+
 			return sql.getImageListPermissionWrite(userID);
 		}
 		return null;
 	}
 
-	
 	@Override
 	public List<Image> getImageListPermissionRead(String userID, String token) throws TException 
 	{
 		if(authenticated(token))
 		{
+
 			return sql.getImageListPermissionRead(userID);
 		}
 		return null;
 	}
 
-	
 	@Override
 	public List<Image> getImageListPermissionLink(String userID, String token) throws TException 
 	{
 		if(authenticated(token))
 		{
+
 			return sql.getImageListPermissionLink(userID);
 		}
 		return null;
 	}
-	
-	
+
 	@Override
 	public List<Image> getImageListPermissionAdmin(String userID, String token) throws TException 
 	{
 		if(authenticated(token))
 		{
+
 			return sql.getImageListPermissionAdmin(userID);
 		}
 		return null;
 	}
-	
+
 	@Override
 	public List<Image> getImageListAllTemplates(String token) throws TException 
 	{
@@ -349,7 +343,6 @@ public class ServerHandler implements Server.Iface
 		}
 		return null;
 	}
-	
 
 	@Override
 	public List<String> getAllOS(String token) throws TException 
@@ -365,14 +358,10 @@ public class ServerHandler implements Server.Iface
 	@Override
 	public Map<String, String> getPersonData(String Vorname, String Nachname, String token) throws TException 
 	{
-		/*
+		
 		if(authenticated(token))
 		{
-			return sql.getPersonData(Vorname, Nachname);
-		}
-		return null;
-		*/
-		
+
 		Map<String, String> map = new HashMap<>();
 		
 		UserInfo ui = getUserFromToken(token);
@@ -387,8 +376,10 @@ public class ServerHandler implements Server.Iface
 		map.put("Hochschule", tempMap.get("Hochschule"));
 		
 		return map;
-		
+		}
+		return null;
 	}
+
 	
 	public void setPerson(String userID, String token, String institution) throws TException 
 	{
@@ -419,19 +410,18 @@ public class ServerHandler implements Server.Iface
 			String pk_institution = sql.setInstitution(university);
 			String pk_person = sql.setPerson(ui.getEMail(), ui.getLastName(), ui.getFirstName(), ui.getEMail(),
 					new Date(), pk_institution);
-	
+
 			map = sql.getImageIDandVersion(imageID);
-	
-			//pk_image = map.get("GUID");
+
+			// pk_image = map.get("GUID");
 			imageversion = Integer.parseInt(map.get("version"));
-			
+
 			sql.setLectureData(pk_person, imageID, imageversion, name, desc,
 					shortdesc, startDate, endDate, isActive, lectureID);
 		}
-			return false;
-		
+		return false;
+
 	}
-	
 
 	@Override
 	public boolean startFileCopy(String filename, String token) throws TException 
@@ -442,18 +432,18 @@ public class ServerHandler implements Server.Iface
 			String file = Configuration.config.getAbsolute_path() + "temp/"
 					+ filename;
 			File tmpFile = new File(file);
-	
+
 			log.info("Trying to move file to '/srv/openslx/nfs/prod/"
 					+ tmpFile.getName() + "'");
 			try {
 				FileUtils.moveFile(tmpFile,
-						new File(Configuration.config.getAbsolute_path() + "prod/"
-								+ filename));
+						new File(Configuration.config.getAbsolute_path()
+								+ "prod/" + filename));
 				// int ret = sql.UpdateImagePath(filename);
 				if (sql.UpdateImagePath(filename) == 0) {
 					log.info("file moved and database updated.");
 				}
-	
+
 			} catch (IOException e) {
 				log.info("Failed to move file.");
 				e.printStackTrace();
@@ -479,20 +469,38 @@ public class ServerHandler implements Server.Iface
 			long cpu, String id, String version, boolean isTemplate,
 			long filesize, long shareMode, String os, String token) throws TException 
 	{
-		if(authenticated(token))
+
+		if (authenticated(token)) 
 		{
+			
+			//get old_image_path
+			String old_image_path = sql.getFile(id, version);
+
 			String mode = null;
-	
+
 			if (shareMode == 0) {
 				mode = "only_local";
 			} else {
 				mode = "to_be_published";
 			}
-			String pk_os = sql.getOSpk(os.substring(0, nthIndexOf(os, " ", 2)), os
-					.substring(nthIndexOf(os, " ", 2), os.lastIndexOf(" "))
-					.replace(" ", ""));
-			sql.UpdateImageData(name, newName, desc, image_path, license, internet,
-					cpu, ram, id, version, isTemplate, filesize, mode, pk_os);
+			String pk_os = sql.getOSpk(os.substring(0, nthIndexOf(os, " ", 2)),
+					os.substring(nthIndexOf(os, " ", 2), os.lastIndexOf(" "))
+							.replace(" ", ""));
+
+			// do database update - if successful then delete old file from
+			// drive
+			int val = sql.UpdateImageData(name, newName, desc, image_path,
+					license, internet, cpu, ram, id, version, isTemplate,
+					filesize, mode, pk_os);
+
+			if (val == 0) {
+				// update was successful - delete old file
+				deleteImageByPath(old_image_path);
+			} else {
+				// update was not successful - delete new file
+				// TODO not yet implemented
+
+			}
 		}
 		return false;
 	}
@@ -521,7 +529,6 @@ public class ServerHandler implements Server.Iface
 		return null;
 	}// end getLectureListPermissionRead
 
-	
 	@Override
 	public List<Lecture> getLectureListPermissionWrite(String token) throws TException 
 	{
@@ -535,6 +542,7 @@ public class ServerHandler implements Server.Iface
 	}// end getLectureListPermissionRead
 
 	@Override
+
 	public List<Lecture> getLectureListPermissionAdmin(String token) throws TException 
 	{
 		if(authenticated(token))
@@ -557,27 +565,13 @@ public class ServerHandler implements Server.Iface
 		{
 			UserInfo ui = getUserFromToken(token);
 			
-			Map<String, String> map = new HashMap<String, String>();
-			map = sql.getDeleteXMLData(id);
 			sql.updateLectureData(imageid, imageversion, ui.getLastName(), newName, desc,
 					shortdesc, startDate, endDate, isActive, id);
 			
-	
-			String path = Configuration.config.getAbsolute_path() + "prod/"
-					+ map.get("date").substring(0, map.get("date").length() - 2)
-					+ "_" + university + "_" + ui.getEMail() + "_" + map.get("name")
-					+ ".xml";
-			File tmpFile = new File(path);
-			try {
-				FileUtils.forceDelete(tmpFile);
-			} catch (IOException e1) {
-				e1.printStackTrace();
-			}
 		}
 		return false;
 	}
 
-	
 	@Override
 	public boolean deleteImageServer(String imageid, String imageversion, String token) throws TException 
 	{
@@ -585,24 +579,23 @@ public class ServerHandler implements Server.Iface
 		{
 			String stringFile = sql.getFile(imageid, imageversion);
 			log.info("File to Delete: " + stringFile);
-	
+
 			File tmpFile = new File(Configuration.config.getAbsolute_path()
 					+ stringFile);
-	
+
 			try {
 				// File wird von Server gelöscht
 				FileUtils.forceDelete(tmpFile);
 				return true;
-	
+
 			} catch (IOException e) {
 				log.info("Failed to execute deleteImageServer.");
 				e.printStackTrace();
-	
+
 			}
 		}
 		return false;
 	}
-
 	
 	@Override
 	public boolean deleteImageData(String id, String version, String token) throws TException 
@@ -620,6 +613,33 @@ public class ServerHandler implements Server.Iface
 		return success;
 	}
 
+//TODO
+public boolean deleteImageByPath(String image_path) throws TException{
+	
+
+
+			//String stringFile = sql.getFile(imageid, imageversion);
+			log.info("File to Delete: " + image_path);
+
+			File tmpFile = new File(Configuration.config.getAbsolute_path()
+					+ image_path);
+
+			try {
+				// File wird von Server gelöscht
+				FileUtils.forceDelete(tmpFile);
+				return true;
+
+			} catch (IOException e) {
+				log.info("Failed to execute deleteImageServer.");
+				e.printStackTrace();
+
+			}
+		
+
+	return false;
+	
+}
+
 	@Override
 	public boolean connectedToLecture(String id, String version, String token) throws TException 
 	{
@@ -640,28 +660,16 @@ public class ServerHandler implements Server.Iface
 		
 		if(authenticated(token))
 		{
-			Map<String, String> map = new HashMap<String, String>();
-			map = sql.getDeleteXMLData(id);
-			try {
-	
-				String path = Configuration.config.getAbsolute_path()
-						+ "prod/"
-						+ map.get("date")
-								.substring(0, map.get("date").length() - 2) + "_"
-						+ university + "_" + user + "_" + map.get("name") + ".xml";
-				File xmlFile = new File(path);
-				FileUtils.forceDelete(xmlFile);
-			} catch (IOException e) {
-				log.info("Failed to execute deleteLecture.");
-				e.printStackTrace();
-			}
-			
-			if(sql.deleteLecture(id) == true){
+			if(sql.deleteLecture(id) == true)
+			{
+
 				success = true;
-				log.info("Lecture '"+id+"' and permissions successfully deleted.");
+				log.info("Lecture '" + id
+						+ "' and permissions successfully deleted.");
 			}
 		}
 		return success;
+
 	}
 
 	@Override
@@ -679,7 +687,6 @@ public class ServerHandler implements Server.Iface
 	{
 		if(authenticated(token))
 		{
-			//log.info("returning LectureData");
 			return sql.getLectureData(lectureid);
 		}
 		return null;
@@ -692,6 +699,7 @@ public class ServerHandler implements Server.Iface
 		for (int i = 0; i < index; i++) 
 		{
 			j = string.indexOf(searchToken, j + 1);
+
 			if (j == -1)
 				break;
 		}
@@ -734,13 +742,13 @@ public class ServerHandler implements Server.Iface
 			Map<String, String> map = new HashMap<String, String>();
 		
 			String pk_institution = sql.setInstitution(university);
+
 			String pk_person = sql.setPerson(userID, ui.getLastName(), ui.getFirstName(), ui.getEMail(), new Date(), pk_institution);
 	
 			map = sql.getImageIDandVersion(imageID);
-	
-	
+
 			pk_image = map.get("GUID");
-	
+
 			if (role.equals("Dozent")) {
 				int read = 1;
 				int write = 1;
@@ -748,10 +756,10 @@ public class ServerHandler implements Server.Iface
 				int admin = 1;
 				int linkallowed = 1;
 				int roleID = sql.getRoleID(role);
-	
-				sql.setImageRights(pk_person, pk_image, roleID, read, write, admin,
-						linkallowed);
-	
+
+				sql.setImageRights(pk_person, pk_image, roleID, read, write,
+						admin, linkallowed);
+
 			} else if (role.equals("Admin")) {
 				int read = 1;
 				int write = 1;
@@ -759,9 +767,9 @@ public class ServerHandler implements Server.Iface
 				int admin = 1;
 				int linkallowed = 1;
 				int roleID = sql.getRoleID(role);
-	
-				sql.setImageRights(pk_person, pk_image, roleID, read, write, admin,
-						linkallowed);
+
+				sql.setImageRights(pk_person, pk_image, roleID, read, write,
+						admin, linkallowed);
 			} else {
 				int read = 1;
 				int write = 0;
@@ -769,11 +777,11 @@ public class ServerHandler implements Server.Iface
 				int admin = 0;
 				int linkallowed = 0;
 				int roleID = sql.getRoleID(role);
-	
-				sql.setImageRights(pk_person, pk_image, roleID, read, write, admin,
-						linkallowed);
+
+				sql.setImageRights(pk_person, pk_image, roleID, read, write,
+						admin, linkallowed);
 			}
-	
+
 			log.info("Written image rights");
 			return true;
 		}
@@ -797,17 +805,17 @@ public class ServerHandler implements Server.Iface
 				// int changePermission=0;
 				int admin = 1;
 				int roleID = sql.getRoleID(role);
-	
+
 				sql.setLectureRights(pk_person, lectureID, roleID, read, write,
 						admin);
-	
+
 			} else if (role.equals("Admin")) {
 				int read = 1;
 				int write = 1;
 				// int changePermission=1;
 				int admin = 1;
 				int roleID = sql.getRoleID(role);
-	
+
 				sql.setLectureRights(pk_person, lectureID, roleID, read, write,
 						admin);
 			} else {
@@ -816,11 +824,11 @@ public class ServerHandler implements Server.Iface
 				// int changePermission=0;
 				int admin = 0;
 				int roleID = sql.getRoleID(role);
-	
+
 				sql.setLectureRights(pk_person, lectureID, roleID, read, write,
 						admin);
 			}
-	
+
 			return true;
 		}
 		return false;
@@ -837,7 +845,7 @@ public class ServerHandler implements Server.Iface
 		return null;
 	}
 
-	//set permissions for users which are !=userID
+	// set permissions for users which are !=userID
 	public boolean writeAdditionalImageRights(String imageID, String userID,
 			boolean isRead, boolean isWrite, boolean isLinkAllowed,
 			boolean isAdmin, String token) throws TException 
@@ -845,31 +853,29 @@ public class ServerHandler implements Server.Iface
 		boolean success = false;
 		if(authenticated(token))
 		{
-
 			Map<String, String> map = new HashMap<String, String>();
 			map = sql.getImageIDandVersion(imageID);
-			//String imageID = map.get("GUID");
-	
+			// String imageID = map.get("GUID");
+
 			sql.writeAdditionalImageRights(imageID, userID, isRead, isWrite,
 					isLinkAllowed, isAdmin);
-			log.info("Written additional image rights for "	+ userID);
+			log.info("Written additional image rights for " + userID);
 		}
 		return success;
 	}
 
-	
 	public boolean writeAdditionalLectureRights(String lectureID,
 			String userID, boolean isRead, boolean isWrite, boolean isAdmin, String token) throws TException 
 	{
 		if(authenticated(token))
 		{
 			Map<String, String> map = new HashMap<String, String>();
-			//String lectureID = sql.getLectureID(lectureID);
-	
-			sql.writeAdditionalLectureRights(lectureID, userID, isRead, isWrite,
-					isAdmin);
-			log.info("Written additional lecture rights for "+ userID);
-	
+			// String lectureID = sql.getLectureID(lectureID);
+
+			sql.writeAdditionalLectureRights(lectureID, userID, isRead,
+					isWrite, isAdmin);
+			log.info("Written additional lecture rights for " + userID);
+
 			return true;
 		}
 		return false;
@@ -886,6 +892,7 @@ public class ServerHandler implements Server.Iface
 		return null;
 	}
 
+
 	public List<Person> getPermissionForUserAndLecture(String token,String lectureID, String userID) throws TException 
 	{
 		if(authenticated(token))
@@ -915,17 +922,17 @@ public class ServerHandler implements Server.Iface
 			UserInfo ui = getUserFromToken(token);
 			sql.deleteAllAdditionalLecturePermissions(lectureID, userID);
 		}
-		
+
 		return;
 	}
 
+
 	@Override 
-	public List<Image> getImageList(String token) throws TException 
+	public List<Image> getImageList(String userID, String token) throws TException 
 	{
-		UserInfo ui = getUserFromToken(token);
 		if(authenticated(token))
 		{
-			return sql.getImageList(ui.getEMail());
+			return sql.getImageList(userID);
 		}
 		return null;
 	}
@@ -951,7 +958,6 @@ public class ServerHandler implements Server.Iface
 	}
 
 	@Override
-
 	public String createRandomUUID(String token) throws TException 
 	{
 		if(authenticated(token))
@@ -971,8 +977,6 @@ public class ServerHandler implements Server.Iface
 
 	}
 
-
-
 	@Override
 	public boolean userIsImageAdmin(String imageID, String token, String userID)
 			throws TException {
@@ -983,17 +987,17 @@ public class ServerHandler implements Server.Iface
 			return sql.userIsImageAdmin(userID,imageID);
 		}
 		return false;
-		
-	}
-
 
+	}
 
 	@Override
 	public boolean userIsLectureAdmin(String userID, String lectureID, String token)
 			throws TException {
+
 		if(authenticated(token))
 		{
 			return sql.userIsLectureAdmin(userID,lectureID);
+
 		}
 		return false;
 	}
@@ -1007,6 +1011,4 @@ public class ServerHandler implements Server.Iface
 
 
 
-
-
 }// end class
diff --git a/dozentenmodulserver/src/main/java/server/generated/Server.java b/dozentenmodulserver/src/main/java/server/generated/Server.java
index 831fd8cd..2c2f94df 100644
--- a/dozentenmodulserver/src/main/java/server/generated/Server.java
+++ b/dozentenmodulserver/src/main/java/server/generated/Server.java
@@ -60,7 +60,7 @@ public class Server {
 
     public List<Image> getImageListAllTemplates(String token) throws org.apache.thrift.TException;
 
-    public List<Image> getImageList(String token) throws org.apache.thrift.TException;
+    public List<Image> getImageList(String userID, String token) throws org.apache.thrift.TException;
 
     public List<Lecture> getLectureList(String token) throws org.apache.thrift.TException;
 
@@ -96,6 +96,8 @@ public class Server {
 
     public boolean deleteImageServer(String id, String version, String token) throws org.apache.thrift.TException;
 
+    public boolean deleteImageByPath(String image_path) throws org.apache.thrift.TException;
+
     public boolean connectedToLecture(String id, String version, String token) throws org.apache.thrift.TException;
 
     public boolean deleteLecture(String id, String token, String university) throws org.apache.thrift.TException;
@@ -162,7 +164,7 @@ public class Server {
 
     public void getImageListAllTemplates(String token, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException;
 
-    public void getImageList(String token, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException;
+    public void getImageList(String userID, String token, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException;
 
     public void getLectureList(String token, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException;
 
@@ -198,6 +200,8 @@ public class Server {
 
     public void deleteImageServer(String id, String version, String token, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException;
 
+    public void deleteImageByPath(String image_path, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException;
+
     public void connectedToLecture(String id, String version, String token, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException;
 
     public void deleteLecture(String id, String token, String university, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException;
@@ -557,15 +561,16 @@ public class Server {
       throw new org.apache.thrift.TApplicationException(org.apache.thrift.TApplicationException.MISSING_RESULT, "getImageListAllTemplates failed: unknown result");
     }
 
-    public List<Image> getImageList(String token) throws org.apache.thrift.TException
+    public List<Image> getImageList(String userID, String token) throws org.apache.thrift.TException
     {
-      send_getImageList(token);
+      send_getImageList(userID, token);
       return recv_getImageList();
     }
 
-    public void send_getImageList(String token) throws org.apache.thrift.TException
+    public void send_getImageList(String userID, String token) throws org.apache.thrift.TException
     {
       getImageList_args args = new getImageList_args();
+      args.setUserID(userID);
       args.setToken(token);
       sendBase("getImageList", args);
     }
@@ -1019,6 +1024,29 @@ public class Server {
       throw new org.apache.thrift.TApplicationException(org.apache.thrift.TApplicationException.MISSING_RESULT, "deleteImageServer failed: unknown result");
     }
 
+    public boolean deleteImageByPath(String image_path) throws org.apache.thrift.TException
+    {
+      send_deleteImageByPath(image_path);
+      return recv_deleteImageByPath();
+    }
+
+    public void send_deleteImageByPath(String image_path) throws org.apache.thrift.TException
+    {
+      deleteImageByPath_args args = new deleteImageByPath_args();
+      args.setImage_path(image_path);
+      sendBase("deleteImageByPath", args);
+    }
+
+    public boolean recv_deleteImageByPath() throws org.apache.thrift.TException
+    {
+      deleteImageByPath_result result = new deleteImageByPath_result();
+      receiveBase(result, "deleteImageByPath");
+      if (result.isSetSuccess()) {
+        return result.success;
+      }
+      throw new org.apache.thrift.TApplicationException(org.apache.thrift.TApplicationException.MISSING_RESULT, "deleteImageByPath failed: unknown result");
+    }
+
     public boolean connectedToLecture(String id, String version, String token) throws org.apache.thrift.TException
     {
       send_connectedToLecture(id, version, token);
@@ -1961,23 +1989,26 @@ public class Server {
       }
     }
 
-    public void getImageList(String token, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException {
+    public void getImageList(String userID, String token, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException {
       checkReady();
-      getImageList_call method_call = new getImageList_call(token, resultHandler, this, ___protocolFactory, ___transport);
+      getImageList_call method_call = new getImageList_call(userID, token, resultHandler, this, ___protocolFactory, ___transport);
       this.___currentMethod = method_call;
       ___manager.call(method_call);
     }
 
     public static class getImageList_call extends org.apache.thrift.async.TAsyncMethodCall {
+      private String userID;
       private String token;
-      public getImageList_call(String token, org.apache.thrift.async.AsyncMethodCallback resultHandler, org.apache.thrift.async.TAsyncClient client, org.apache.thrift.protocol.TProtocolFactory protocolFactory, org.apache.thrift.transport.TNonblockingTransport transport) throws org.apache.thrift.TException {
+      public getImageList_call(String userID, String token, org.apache.thrift.async.AsyncMethodCallback resultHandler, org.apache.thrift.async.TAsyncClient client, org.apache.thrift.protocol.TProtocolFactory protocolFactory, org.apache.thrift.transport.TNonblockingTransport transport) throws org.apache.thrift.TException {
         super(client, protocolFactory, transport, resultHandler, false);
+        this.userID = userID;
         this.token = token;
       }
 
       public void write_args(org.apache.thrift.protocol.TProtocol prot) throws org.apache.thrift.TException {
         prot.writeMessageBegin(new org.apache.thrift.protocol.TMessage("getImageList", org.apache.thrift.protocol.TMessageType.CALL, 0));
         getImageList_args args = new getImageList_args();
+        args.setUserID(userID);
         args.setToken(token);
         args.write(prot);
         prot.writeMessageEnd();
@@ -2690,6 +2721,38 @@ public class Server {
       }
     }
 
+    public void deleteImageByPath(String image_path, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException {
+      checkReady();
+      deleteImageByPath_call method_call = new deleteImageByPath_call(image_path, resultHandler, this, ___protocolFactory, ___transport);
+      this.___currentMethod = method_call;
+      ___manager.call(method_call);
+    }
+
+    public static class deleteImageByPath_call extends org.apache.thrift.async.TAsyncMethodCall {
+      private String image_path;
+      public deleteImageByPath_call(String image_path, org.apache.thrift.async.AsyncMethodCallback resultHandler, org.apache.thrift.async.TAsyncClient client, org.apache.thrift.protocol.TProtocolFactory protocolFactory, org.apache.thrift.transport.TNonblockingTransport transport) throws org.apache.thrift.TException {
+        super(client, protocolFactory, transport, resultHandler, false);
+        this.image_path = image_path;
+      }
+
+      public void write_args(org.apache.thrift.protocol.TProtocol prot) throws org.apache.thrift.TException {
+        prot.writeMessageBegin(new org.apache.thrift.protocol.TMessage("deleteImageByPath", org.apache.thrift.protocol.TMessageType.CALL, 0));
+        deleteImageByPath_args args = new deleteImageByPath_args();
+        args.setImage_path(image_path);
+        args.write(prot);
+        prot.writeMessageEnd();
+      }
+
+      public boolean getResult() throws org.apache.thrift.TException {
+        if (getState() != org.apache.thrift.async.TAsyncMethodCall.State.RESPONSE_READ) {
+          throw new IllegalStateException("Method call not finished!");
+        }
+        org.apache.thrift.transport.TMemoryInputTransport memoryTransport = new org.apache.thrift.transport.TMemoryInputTransport(getFrameBuffer().array());
+        org.apache.thrift.protocol.TProtocol prot = client.getProtocolFactory().getProtocol(memoryTransport);
+        return (new Client(prot)).recv_deleteImageByPath();
+      }
+    }
+
     public void connectedToLecture(String id, String version, String token, org.apache.thrift.async.AsyncMethodCallback resultHandler) throws org.apache.thrift.TException {
       checkReady();
       connectedToLecture_call method_call = new connectedToLecture_call(id, version, token, resultHandler, this, ___protocolFactory, ___transport);
@@ -3461,6 +3524,7 @@ public class Server {
       processMap.put("deleteImageData", new deleteImageData());
       processMap.put("updateLecturedata", new updateLecturedata());
       processMap.put("deleteImageServer", new deleteImageServer());
+      processMap.put("deleteImageByPath", new deleteImageByPath());
       processMap.put("connectedToLecture", new connectedToLecture());
       processMap.put("deleteLecture", new deleteLecture());
       processMap.put("checkUser", new checkUser());
@@ -3742,7 +3806,7 @@ public class Server {
 
       public getImageList_result getResult(I iface, getImageList_args args) throws org.apache.thrift.TException {
         getImageList_result result = new getImageList_result();
-        result.success = iface.getImageList(args.token);
+        result.success = iface.getImageList(args.userID, args.token);
         return result;
       }
     }
@@ -4093,6 +4157,27 @@ public class Server {
       }
     }
 
+    public static class deleteImageByPath<I extends Iface> extends org.apache.thrift.ProcessFunction<I, deleteImageByPath_args> {
+      public deleteImageByPath() {
+        super("deleteImageByPath");
+      }
+
+      public deleteImageByPath_args getEmptyArgsInstance() {
+        return new deleteImageByPath_args();
+      }
+
+      protected boolean isOneway() {
+        return false;
+      }
+
+      public deleteImageByPath_result getResult(I iface, deleteImageByPath_args args) throws org.apache.thrift.TException {
+        deleteImageByPath_result result = new deleteImageByPath_result();
+        result.success = iface.deleteImageByPath(args.image_path);
+        result.setSuccessIsSet(true);
+        return result;
+      }
+    }
+
     public static class connectedToLecture<I extends Iface> extends org.apache.thrift.ProcessFunction<I, connectedToLecture_args> {
       public connectedToLecture() {
         super("connectedToLecture");
@@ -4526,6 +4611,7 @@ public class Server {
       processMap.put("deleteImageData", new deleteImageData());
       processMap.put("updateLecturedata", new updateLecturedata());
       processMap.put("deleteImageServer", new deleteImageServer());
+      processMap.put("deleteImageByPath", new deleteImageByPath());
       processMap.put("connectedToLecture", new connectedToLecture());
       processMap.put("deleteLecture", new deleteLecture());
       processMap.put("checkUser", new checkUser());
@@ -5211,7 +5297,7 @@ public class Server {
       }
 
       public void start(I iface, getImageList_args args, org.apache.thrift.async.AsyncMethodCallback<List<Image>> resultHandler) throws TException {
-        iface.getImageList(args.token,resultHandler);
+        iface.getImageList(args.userID, args.token,resultHandler);
       }
     }
 
@@ -6087,6 +6173,58 @@ public class Server {
       }
     }
 
+    public static class deleteImageByPath<I extends AsyncIface> extends org.apache.thrift.AsyncProcessFunction<I, deleteImageByPath_args, Boolean> {
+      public deleteImageByPath() {
+        super("deleteImageByPath");
+      }
+
+      public deleteImageByPath_args getEmptyArgsInstance() {
+        return new deleteImageByPath_args();
+      }
+
+      public AsyncMethodCallback<Boolean> getResultHandler(final AsyncFrameBuffer fb, final int seqid) {
+        final org.apache.thrift.AsyncProcessFunction fcall = this;
+        return new AsyncMethodCallback<Boolean>() { 
+          public void onComplete(Boolean o) {
+            deleteImageByPath_result result = new deleteImageByPath_result();
+            result.success = o;
+            result.setSuccessIsSet(true);
+            try {
+              fcall.sendResponse(fb,result, org.apache.thrift.protocol.TMessageType.REPLY,seqid);
+              return;
+            } catch (Exception e) {
+              LOGGER.error("Exception writing to internal frame buffer", e);
+            }
+            fb.close();
+          }
+          public void onError(Exception e) {
+            byte msgType = org.apache.thrift.protocol.TMessageType.REPLY;
+            org.apache.thrift.TBase msg;
+            deleteImageByPath_result result = new deleteImageByPath_result();
+            {
+              msgType = org.apache.thrift.protocol.TMessageType.EXCEPTION;
+              msg = (org.apache.thrift.TBase)new org.apache.thrift.TApplicationException(org.apache.thrift.TApplicationException.INTERNAL_ERROR, e.getMessage());
+            }
+            try {
+              fcall.sendResponse(fb,msg,msgType,seqid);
+              return;
+            } catch (Exception ex) {
+              LOGGER.error("Exception writing to internal frame buffer", ex);
+            }
+            fb.close();
+          }
+        };
+      }
+
+      protected boolean isOneway() {
+        return false;
+      }
+
+      public void start(I iface, deleteImageByPath_args args, org.apache.thrift.async.AsyncMethodCallback<Boolean> resultHandler) throws TException {
+        iface.deleteImageByPath(args.image_path,resultHandler);
+      }
+    }
+
     public static class connectedToLecture<I extends AsyncIface> extends org.apache.thrift.AsyncProcessFunction<I, connectedToLecture_args, Boolean> {
       public connectedToLecture() {
         super("connectedToLecture");
@@ -18102,7 +18240,8 @@ public class Server {
   public static class getImageList_args implements org.apache.thrift.TBase<getImageList_args, getImageList_args._Fields>, java.io.Serializable, Cloneable, Comparable<getImageList_args>   {
     private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("getImageList_args");
 
-    private static final org.apache.thrift.protocol.TField TOKEN_FIELD_DESC = new org.apache.thrift.protocol.TField("token", org.apache.thrift.protocol.TType.STRING, (short)1);
+    private static final org.apache.thrift.protocol.TField USER_ID_FIELD_DESC = new org.apache.thrift.protocol.TField("userID", org.apache.thrift.protocol.TType.STRING, (short)1);
+    private static final org.apache.thrift.protocol.TField TOKEN_FIELD_DESC = new org.apache.thrift.protocol.TField("token", org.apache.thrift.protocol.TType.STRING, (short)2);
 
     private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
     static {
@@ -18110,11 +18249,13 @@ public class Server {
       schemes.put(TupleScheme.class, new getImageList_argsTupleSchemeFactory());
     }
 
+    public String userID; // required
     public String token; // required
 
     /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
     public enum _Fields implements org.apache.thrift.TFieldIdEnum {
-      TOKEN((short)1, "token");
+      USER_ID((short)1, "userID"),
+      TOKEN((short)2, "token");
 
       private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
 
@@ -18129,7 +18270,9 @@ public class Server {
        */
       public static _Fields findByThriftId(int fieldId) {
         switch(fieldId) {
-          case 1: // TOKEN
+          case 1: // USER_ID
+            return USER_ID;
+          case 2: // TOKEN
             return TOKEN;
           default:
             return null;
@@ -18174,6 +18317,8 @@ public class Server {
     public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
     static {
       Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
+      tmpMap.put(_Fields.USER_ID, new org.apache.thrift.meta_data.FieldMetaData("userID", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+          new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
       tmpMap.put(_Fields.TOKEN, new org.apache.thrift.meta_data.FieldMetaData("token", org.apache.thrift.TFieldRequirementType.DEFAULT, 
           new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
       metaDataMap = Collections.unmodifiableMap(tmpMap);
@@ -18184,9 +18329,11 @@ public class Server {
     }
 
     public getImageList_args(
+      String userID,
       String token)
     {
       this();
+      this.userID = userID;
       this.token = token;
     }
 
@@ -18194,6 +18341,9 @@ public class Server {
      * Performs a deep copy on <i>other</i>.
      */
     public getImageList_args(getImageList_args other) {
+      if (other.isSetUserID()) {
+        this.userID = other.userID;
+      }
       if (other.isSetToken()) {
         this.token = other.token;
       }
@@ -18205,9 +18355,34 @@ public class Server {
 
     @Override
     public void clear() {
+      this.userID = null;
       this.token = null;
     }
 
+    public String getUserID() {
+      return this.userID;
+    }
+
+    public getImageList_args setUserID(String userID) {
+      this.userID = userID;
+      return this;
+    }
+
+    public void unsetUserID() {
+      this.userID = null;
+    }
+
+    /** Returns true if field userID is set (has been assigned a value) and false otherwise */
+    public boolean isSetUserID() {
+      return this.userID != null;
+    }
+
+    public void setUserIDIsSet(boolean value) {
+      if (!value) {
+        this.userID = null;
+      }
+    }
+
     public String getToken() {
       return this.token;
     }
@@ -18234,6 +18409,14 @@ public class Server {
 
     public void setFieldValue(_Fields field, Object value) {
       switch (field) {
+      case USER_ID:
+        if (value == null) {
+          unsetUserID();
+        } else {
+          setUserID((String)value);
+        }
+        break;
+
       case TOKEN:
         if (value == null) {
           unsetToken();
@@ -18247,6 +18430,9 @@ public class Server {
 
     public Object getFieldValue(_Fields field) {
       switch (field) {
+      case USER_ID:
+        return getUserID();
+
       case TOKEN:
         return getToken();
 
@@ -18261,6 +18447,8 @@ public class Server {
       }
 
       switch (field) {
+      case USER_ID:
+        return isSetUserID();
       case TOKEN:
         return isSetToken();
       }
@@ -18280,6 +18468,15 @@ public class Server {
       if (that == null)
         return false;
 
+      boolean this_present_userID = true && this.isSetUserID();
+      boolean that_present_userID = true && that.isSetUserID();
+      if (this_present_userID || that_present_userID) {
+        if (!(this_present_userID && that_present_userID))
+          return false;
+        if (!this.userID.equals(that.userID))
+          return false;
+      }
+
       boolean this_present_token = true && this.isSetToken();
       boolean that_present_token = true && that.isSetToken();
       if (this_present_token || that_present_token) {
@@ -18305,6 +18502,16 @@ public class Server {
 
       int lastComparison = 0;
 
+      lastComparison = Boolean.valueOf(isSetUserID()).compareTo(other.isSetUserID());
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+      if (isSetUserID()) {
+        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.userID, other.userID);
+        if (lastComparison != 0) {
+          return lastComparison;
+        }
+      }
       lastComparison = Boolean.valueOf(isSetToken()).compareTo(other.isSetToken());
       if (lastComparison != 0) {
         return lastComparison;
@@ -18335,6 +18542,14 @@ public class Server {
       StringBuilder sb = new StringBuilder("getImageList_args(");
       boolean first = true;
 
+      sb.append("userID:");
+      if (this.userID == null) {
+        sb.append("null");
+      } else {
+        sb.append(this.userID);
+      }
+      first = false;
+      if (!first) sb.append(", ");
       sb.append("token:");
       if (this.token == null) {
         sb.append("null");
@@ -18385,7 +18600,15 @@ public class Server {
             break;
           }
           switch (schemeField.id) {
-            case 1: // TOKEN
+            case 1: // USER_ID
+              if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+                struct.userID = iprot.readString();
+                struct.setUserIDIsSet(true);
+              } else { 
+                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+              }
+              break;
+            case 2: // TOKEN
               if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
                 struct.token = iprot.readString();
                 struct.setTokenIsSet(true);
@@ -18408,6 +18631,11 @@ public class Server {
         struct.validate();
 
         oprot.writeStructBegin(STRUCT_DESC);
+        if (struct.userID != null) {
+          oprot.writeFieldBegin(USER_ID_FIELD_DESC);
+          oprot.writeString(struct.userID);
+          oprot.writeFieldEnd();
+        }
         if (struct.token != null) {
           oprot.writeFieldBegin(TOKEN_FIELD_DESC);
           oprot.writeString(struct.token);
@@ -18431,10 +18659,16 @@ public class Server {
       public void write(org.apache.thrift.protocol.TProtocol prot, getImageList_args struct) throws org.apache.thrift.TException {
         TTupleProtocol oprot = (TTupleProtocol) prot;
         BitSet optionals = new BitSet();
-        if (struct.isSetToken()) {
+        if (struct.isSetUserID()) {
           optionals.set(0);
         }
-        oprot.writeBitSet(optionals, 1);
+        if (struct.isSetToken()) {
+          optionals.set(1);
+        }
+        oprot.writeBitSet(optionals, 2);
+        if (struct.isSetUserID()) {
+          oprot.writeString(struct.userID);
+        }
         if (struct.isSetToken()) {
           oprot.writeString(struct.token);
         }
@@ -18443,8 +18677,12 @@ public class Server {
       @Override
       public void read(org.apache.thrift.protocol.TProtocol prot, getImageList_args struct) throws org.apache.thrift.TException {
         TTupleProtocol iprot = (TTupleProtocol) prot;
-        BitSet incoming = iprot.readBitSet(1);
+        BitSet incoming = iprot.readBitSet(2);
         if (incoming.get(0)) {
+          struct.userID = iprot.readString();
+          struct.setUserIDIsSet(true);
+        }
+        if (incoming.get(1)) {
           struct.token = iprot.readString();
           struct.setTokenIsSet(true);
         }
@@ -36369,6 +36607,714 @@ public class Server {
 
   }
 
+  public static class deleteImageByPath_args implements org.apache.thrift.TBase<deleteImageByPath_args, deleteImageByPath_args._Fields>, java.io.Serializable, Cloneable, Comparable<deleteImageByPath_args>   {
+    private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("deleteImageByPath_args");
+
+    private static final org.apache.thrift.protocol.TField IMAGE_PATH_FIELD_DESC = new org.apache.thrift.protocol.TField("image_path", org.apache.thrift.protocol.TType.STRING, (short)1);
+
+    private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
+    static {
+      schemes.put(StandardScheme.class, new deleteImageByPath_argsStandardSchemeFactory());
+      schemes.put(TupleScheme.class, new deleteImageByPath_argsTupleSchemeFactory());
+    }
+
+    public String image_path; // required
+
+    /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
+    public enum _Fields implements org.apache.thrift.TFieldIdEnum {
+      IMAGE_PATH((short)1, "image_path");
+
+      private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
+
+      static {
+        for (_Fields field : EnumSet.allOf(_Fields.class)) {
+          byName.put(field.getFieldName(), field);
+        }
+      }
+
+      /**
+       * Find the _Fields constant that matches fieldId, or null if its not found.
+       */
+      public static _Fields findByThriftId(int fieldId) {
+        switch(fieldId) {
+          case 1: // IMAGE_PATH
+            return IMAGE_PATH;
+          default:
+            return null;
+        }
+      }
+
+      /**
+       * Find the _Fields constant that matches fieldId, throwing an exception
+       * if it is not found.
+       */
+      public static _Fields findByThriftIdOrThrow(int fieldId) {
+        _Fields fields = findByThriftId(fieldId);
+        if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
+        return fields;
+      }
+
+      /**
+       * Find the _Fields constant that matches name, or null if its not found.
+       */
+      public static _Fields findByName(String name) {
+        return byName.get(name);
+      }
+
+      private final short _thriftId;
+      private final String _fieldName;
+
+      _Fields(short thriftId, String fieldName) {
+        _thriftId = thriftId;
+        _fieldName = fieldName;
+      }
+
+      public short getThriftFieldId() {
+        return _thriftId;
+      }
+
+      public String getFieldName() {
+        return _fieldName;
+      }
+    }
+
+    // isset id assignments
+    public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
+    static {
+      Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
+      tmpMap.put(_Fields.IMAGE_PATH, new org.apache.thrift.meta_data.FieldMetaData("image_path", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+          new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+      metaDataMap = Collections.unmodifiableMap(tmpMap);
+      org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(deleteImageByPath_args.class, metaDataMap);
+    }
+
+    public deleteImageByPath_args() {
+    }
+
+    public deleteImageByPath_args(
+      String image_path)
+    {
+      this();
+      this.image_path = image_path;
+    }
+
+    /**
+     * Performs a deep copy on <i>other</i>.
+     */
+    public deleteImageByPath_args(deleteImageByPath_args other) {
+      if (other.isSetImage_path()) {
+        this.image_path = other.image_path;
+      }
+    }
+
+    public deleteImageByPath_args deepCopy() {
+      return new deleteImageByPath_args(this);
+    }
+
+    @Override
+    public void clear() {
+      this.image_path = null;
+    }
+
+    public String getImage_path() {
+      return this.image_path;
+    }
+
+    public deleteImageByPath_args setImage_path(String image_path) {
+      this.image_path = image_path;
+      return this;
+    }
+
+    public void unsetImage_path() {
+      this.image_path = null;
+    }
+
+    /** Returns true if field image_path is set (has been assigned a value) and false otherwise */
+    public boolean isSetImage_path() {
+      return this.image_path != null;
+    }
+
+    public void setImage_pathIsSet(boolean value) {
+      if (!value) {
+        this.image_path = null;
+      }
+    }
+
+    public void setFieldValue(_Fields field, Object value) {
+      switch (field) {
+      case IMAGE_PATH:
+        if (value == null) {
+          unsetImage_path();
+        } else {
+          setImage_path((String)value);
+        }
+        break;
+
+      }
+    }
+
+    public Object getFieldValue(_Fields field) {
+      switch (field) {
+      case IMAGE_PATH:
+        return getImage_path();
+
+      }
+      throw new IllegalStateException();
+    }
+
+    /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
+    public boolean isSet(_Fields field) {
+      if (field == null) {
+        throw new IllegalArgumentException();
+      }
+
+      switch (field) {
+      case IMAGE_PATH:
+        return isSetImage_path();
+      }
+      throw new IllegalStateException();
+    }
+
+    @Override
+    public boolean equals(Object that) {
+      if (that == null)
+        return false;
+      if (that instanceof deleteImageByPath_args)
+        return this.equals((deleteImageByPath_args)that);
+      return false;
+    }
+
+    public boolean equals(deleteImageByPath_args that) {
+      if (that == null)
+        return false;
+
+      boolean this_present_image_path = true && this.isSetImage_path();
+      boolean that_present_image_path = true && that.isSetImage_path();
+      if (this_present_image_path || that_present_image_path) {
+        if (!(this_present_image_path && that_present_image_path))
+          return false;
+        if (!this.image_path.equals(that.image_path))
+          return false;
+      }
+
+      return true;
+    }
+
+    @Override
+    public int hashCode() {
+      return 0;
+    }
+
+    @Override
+    public int compareTo(deleteImageByPath_args other) {
+      if (!getClass().equals(other.getClass())) {
+        return getClass().getName().compareTo(other.getClass().getName());
+      }
+
+      int lastComparison = 0;
+
+      lastComparison = Boolean.valueOf(isSetImage_path()).compareTo(other.isSetImage_path());
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+      if (isSetImage_path()) {
+        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.image_path, other.image_path);
+        if (lastComparison != 0) {
+          return lastComparison;
+        }
+      }
+      return 0;
+    }
+
+    public _Fields fieldForId(int fieldId) {
+      return _Fields.findByThriftId(fieldId);
+    }
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
+      schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
+    }
+
+    public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
+      schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
+    }
+
+    @Override
+    public String toString() {
+      StringBuilder sb = new StringBuilder("deleteImageByPath_args(");
+      boolean first = true;
+
+      sb.append("image_path:");
+      if (this.image_path == null) {
+        sb.append("null");
+      } else {
+        sb.append(this.image_path);
+      }
+      first = false;
+      sb.append(")");
+      return sb.toString();
+    }
+
+    public void validate() throws org.apache.thrift.TException {
+      // check for required fields
+      // check for sub-struct validity
+    }
+
+    private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
+      try {
+        write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
+      } catch (org.apache.thrift.TException te) {
+        throw new java.io.IOException(te);
+      }
+    }
+
+    private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
+      try {
+        read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
+      } catch (org.apache.thrift.TException te) {
+        throw new java.io.IOException(te);
+      }
+    }
+
+    private static class deleteImageByPath_argsStandardSchemeFactory implements SchemeFactory {
+      public deleteImageByPath_argsStandardScheme getScheme() {
+        return new deleteImageByPath_argsStandardScheme();
+      }
+    }
+
+    private static class deleteImageByPath_argsStandardScheme extends StandardScheme<deleteImageByPath_args> {
+
+      public void read(org.apache.thrift.protocol.TProtocol iprot, deleteImageByPath_args struct) throws org.apache.thrift.TException {
+        org.apache.thrift.protocol.TField schemeField;
+        iprot.readStructBegin();
+        while (true)
+        {
+          schemeField = iprot.readFieldBegin();
+          if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
+            break;
+          }
+          switch (schemeField.id) {
+            case 1: // IMAGE_PATH
+              if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+                struct.image_path = iprot.readString();
+                struct.setImage_pathIsSet(true);
+              } else { 
+                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+              }
+              break;
+            default:
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+          }
+          iprot.readFieldEnd();
+        }
+        iprot.readStructEnd();
+
+        // check for required fields of primitive type, which can't be checked in the validate method
+        struct.validate();
+      }
+
+      public void write(org.apache.thrift.protocol.TProtocol oprot, deleteImageByPath_args struct) throws org.apache.thrift.TException {
+        struct.validate();
+
+        oprot.writeStructBegin(STRUCT_DESC);
+        if (struct.image_path != null) {
+          oprot.writeFieldBegin(IMAGE_PATH_FIELD_DESC);
+          oprot.writeString(struct.image_path);
+          oprot.writeFieldEnd();
+        }
+        oprot.writeFieldStop();
+        oprot.writeStructEnd();
+      }
+
+    }
+
+    private static class deleteImageByPath_argsTupleSchemeFactory implements SchemeFactory {
+      public deleteImageByPath_argsTupleScheme getScheme() {
+        return new deleteImageByPath_argsTupleScheme();
+      }
+    }
+
+    private static class deleteImageByPath_argsTupleScheme extends TupleScheme<deleteImageByPath_args> {
+
+      @Override
+      public void write(org.apache.thrift.protocol.TProtocol prot, deleteImageByPath_args struct) throws org.apache.thrift.TException {
+        TTupleProtocol oprot = (TTupleProtocol) prot;
+        BitSet optionals = new BitSet();
+        if (struct.isSetImage_path()) {
+          optionals.set(0);
+        }
+        oprot.writeBitSet(optionals, 1);
+        if (struct.isSetImage_path()) {
+          oprot.writeString(struct.image_path);
+        }
+      }
+
+      @Override
+      public void read(org.apache.thrift.protocol.TProtocol prot, deleteImageByPath_args struct) throws org.apache.thrift.TException {
+        TTupleProtocol iprot = (TTupleProtocol) prot;
+        BitSet incoming = iprot.readBitSet(1);
+        if (incoming.get(0)) {
+          struct.image_path = iprot.readString();
+          struct.setImage_pathIsSet(true);
+        }
+      }
+    }
+
+  }
+
+  public static class deleteImageByPath_result implements org.apache.thrift.TBase<deleteImageByPath_result, deleteImageByPath_result._Fields>, java.io.Serializable, Cloneable, Comparable<deleteImageByPath_result>   {
+    private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("deleteImageByPath_result");
+
+    private static final org.apache.thrift.protocol.TField SUCCESS_FIELD_DESC = new org.apache.thrift.protocol.TField("success", org.apache.thrift.protocol.TType.BOOL, (short)0);
+
+    private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
+    static {
+      schemes.put(StandardScheme.class, new deleteImageByPath_resultStandardSchemeFactory());
+      schemes.put(TupleScheme.class, new deleteImageByPath_resultTupleSchemeFactory());
+    }
+
+    public boolean success; // required
+
+    /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
+    public enum _Fields implements org.apache.thrift.TFieldIdEnum {
+      SUCCESS((short)0, "success");
+
+      private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
+
+      static {
+        for (_Fields field : EnumSet.allOf(_Fields.class)) {
+          byName.put(field.getFieldName(), field);
+        }
+      }
+
+      /**
+       * Find the _Fields constant that matches fieldId, or null if its not found.
+       */
+      public static _Fields findByThriftId(int fieldId) {
+        switch(fieldId) {
+          case 0: // SUCCESS
+            return SUCCESS;
+          default:
+            return null;
+        }
+      }
+
+      /**
+       * Find the _Fields constant that matches fieldId, throwing an exception
+       * if it is not found.
+       */
+      public static _Fields findByThriftIdOrThrow(int fieldId) {
+        _Fields fields = findByThriftId(fieldId);
+        if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
+        return fields;
+      }
+
+      /**
+       * Find the _Fields constant that matches name, or null if its not found.
+       */
+      public static _Fields findByName(String name) {
+        return byName.get(name);
+      }
+
+      private final short _thriftId;
+      private final String _fieldName;
+
+      _Fields(short thriftId, String fieldName) {
+        _thriftId = thriftId;
+        _fieldName = fieldName;
+      }
+
+      public short getThriftFieldId() {
+        return _thriftId;
+      }
+
+      public String getFieldName() {
+        return _fieldName;
+      }
+    }
+
+    // isset id assignments
+    private static final int __SUCCESS_ISSET_ID = 0;
+    private byte __isset_bitfield = 0;
+    public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
+    static {
+      Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
+      tmpMap.put(_Fields.SUCCESS, new org.apache.thrift.meta_data.FieldMetaData("success", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+          new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.BOOL)));
+      metaDataMap = Collections.unmodifiableMap(tmpMap);
+      org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(deleteImageByPath_result.class, metaDataMap);
+    }
+
+    public deleteImageByPath_result() {
+    }
+
+    public deleteImageByPath_result(
+      boolean success)
+    {
+      this();
+      this.success = success;
+      setSuccessIsSet(true);
+    }
+
+    /**
+     * Performs a deep copy on <i>other</i>.
+     */
+    public deleteImageByPath_result(deleteImageByPath_result other) {
+      __isset_bitfield = other.__isset_bitfield;
+      this.success = other.success;
+    }
+
+    public deleteImageByPath_result deepCopy() {
+      return new deleteImageByPath_result(this);
+    }
+
+    @Override
+    public void clear() {
+      setSuccessIsSet(false);
+      this.success = false;
+    }
+
+    public boolean isSuccess() {
+      return this.success;
+    }
+
+    public deleteImageByPath_result setSuccess(boolean success) {
+      this.success = success;
+      setSuccessIsSet(true);
+      return this;
+    }
+
+    public void unsetSuccess() {
+      __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, __SUCCESS_ISSET_ID);
+    }
+
+    /** Returns true if field success is set (has been assigned a value) and false otherwise */
+    public boolean isSetSuccess() {
+      return EncodingUtils.testBit(__isset_bitfield, __SUCCESS_ISSET_ID);
+    }
+
+    public void setSuccessIsSet(boolean value) {
+      __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, __SUCCESS_ISSET_ID, value);
+    }
+
+    public void setFieldValue(_Fields field, Object value) {
+      switch (field) {
+      case SUCCESS:
+        if (value == null) {
+          unsetSuccess();
+        } else {
+          setSuccess((Boolean)value);
+        }
+        break;
+
+      }
+    }
+
+    public Object getFieldValue(_Fields field) {
+      switch (field) {
+      case SUCCESS:
+        return Boolean.valueOf(isSuccess());
+
+      }
+      throw new IllegalStateException();
+    }
+
+    /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
+    public boolean isSet(_Fields field) {
+      if (field == null) {
+        throw new IllegalArgumentException();
+      }
+
+      switch (field) {
+      case SUCCESS:
+        return isSetSuccess();
+      }
+      throw new IllegalStateException();
+    }
+
+    @Override
+    public boolean equals(Object that) {
+      if (that == null)
+        return false;
+      if (that instanceof deleteImageByPath_result)
+        return this.equals((deleteImageByPath_result)that);
+      return false;
+    }
+
+    public boolean equals(deleteImageByPath_result that) {
+      if (that == null)
+        return false;
+
+      boolean this_present_success = true;
+      boolean that_present_success = true;
+      if (this_present_success || that_present_success) {
+        if (!(this_present_success && that_present_success))
+          return false;
+        if (this.success != that.success)
+          return false;
+      }
+
+      return true;
+    }
+
+    @Override
+    public int hashCode() {
+      return 0;
+    }
+
+    @Override
+    public int compareTo(deleteImageByPath_result other) {
+      if (!getClass().equals(other.getClass())) {
+        return getClass().getName().compareTo(other.getClass().getName());
+      }
+
+      int lastComparison = 0;
+
+      lastComparison = Boolean.valueOf(isSetSuccess()).compareTo(other.isSetSuccess());
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+      if (isSetSuccess()) {
+        lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.success, other.success);
+        if (lastComparison != 0) {
+          return lastComparison;
+        }
+      }
+      return 0;
+    }
+
+    public _Fields fieldForId(int fieldId) {
+      return _Fields.findByThriftId(fieldId);
+    }
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
+      schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
+    }
+
+    public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
+      schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
+      }
+
+    @Override
+    public String toString() {
+      StringBuilder sb = new StringBuilder("deleteImageByPath_result(");
+      boolean first = true;
+
+      sb.append("success:");
+      sb.append(this.success);
+      first = false;
+      sb.append(")");
+      return sb.toString();
+    }
+
+    public void validate() throws org.apache.thrift.TException {
+      // check for required fields
+      // check for sub-struct validity
+    }
+
+    private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
+      try {
+        write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
+      } catch (org.apache.thrift.TException te) {
+        throw new java.io.IOException(te);
+      }
+    }
+
+    private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
+      try {
+        // it doesn't seem like you should have to do this, but java serialization is wacky, and doesn't call the default constructor.
+        __isset_bitfield = 0;
+        read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
+      } catch (org.apache.thrift.TException te) {
+        throw new java.io.IOException(te);
+      }
+    }
+
+    private static class deleteImageByPath_resultStandardSchemeFactory implements SchemeFactory {
+      public deleteImageByPath_resultStandardScheme getScheme() {
+        return new deleteImageByPath_resultStandardScheme();
+      }
+    }
+
+    private static class deleteImageByPath_resultStandardScheme extends StandardScheme<deleteImageByPath_result> {
+
+      public void read(org.apache.thrift.protocol.TProtocol iprot, deleteImageByPath_result struct) throws org.apache.thrift.TException {
+        org.apache.thrift.protocol.TField schemeField;
+        iprot.readStructBegin();
+        while (true)
+        {
+          schemeField = iprot.readFieldBegin();
+          if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
+            break;
+          }
+          switch (schemeField.id) {
+            case 0: // SUCCESS
+              if (schemeField.type == org.apache.thrift.protocol.TType.BOOL) {
+                struct.success = iprot.readBool();
+                struct.setSuccessIsSet(true);
+              } else { 
+                org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+              }
+              break;
+            default:
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+          }
+          iprot.readFieldEnd();
+        }
+        iprot.readStructEnd();
+
+        // check for required fields of primitive type, which can't be checked in the validate method
+        struct.validate();
+      }
+
+      public void write(org.apache.thrift.protocol.TProtocol oprot, deleteImageByPath_result struct) throws org.apache.thrift.TException {
+        struct.validate();
+
+        oprot.writeStructBegin(STRUCT_DESC);
+        if (struct.isSetSuccess()) {
+          oprot.writeFieldBegin(SUCCESS_FIELD_DESC);
+          oprot.writeBool(struct.success);
+          oprot.writeFieldEnd();
+        }
+        oprot.writeFieldStop();
+        oprot.writeStructEnd();
+      }
+
+    }
+
+    private static class deleteImageByPath_resultTupleSchemeFactory implements SchemeFactory {
+      public deleteImageByPath_resultTupleScheme getScheme() {
+        return new deleteImageByPath_resultTupleScheme();
+      }
+    }
+
+    private static class deleteImageByPath_resultTupleScheme extends TupleScheme<deleteImageByPath_result> {
+
+      @Override
+      public void write(org.apache.thrift.protocol.TProtocol prot, deleteImageByPath_result struct) throws org.apache.thrift.TException {
+        TTupleProtocol oprot = (TTupleProtocol) prot;
+        BitSet optionals = new BitSet();
+        if (struct.isSetSuccess()) {
+          optionals.set(0);
+        }
+        oprot.writeBitSet(optionals, 1);
+        if (struct.isSetSuccess()) {
+          oprot.writeBool(struct.success);
+        }
+      }
+
+      @Override
+      public void read(org.apache.thrift.protocol.TProtocol prot, deleteImageByPath_result struct) throws org.apache.thrift.TException {
+        TTupleProtocol iprot = (TTupleProtocol) prot;
+        BitSet incoming = iprot.readBitSet(1);
+        if (incoming.get(0)) {
+          struct.success = iprot.readBool();
+          struct.setSuccessIsSet(true);
+        }
+      }
+    }
+
+  }
+
   public static class connectedToLecture_args implements org.apache.thrift.TBase<connectedToLecture_args, connectedToLecture_args._Fields>, java.io.Serializable, Cloneable, Comparable<connectedToLecture_args>   {
     private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("connectedToLecture_args");