retry transaction on delete
[pithos] / src / gr / ebs / gss / server / rest / FilesHandler.java
index 8880b73..39ac8aa 100644 (file)
@@ -26,13 +26,13 @@ import gr.ebs.gss.client.exceptions.ObjectNotFoundException;
 import gr.ebs.gss.client.exceptions.QuotaExceededException;
 import gr.ebs.gss.client.exceptions.RpcException;
 import gr.ebs.gss.server.Login;
+import gr.ebs.gss.server.domain.FileBody;
+import gr.ebs.gss.server.domain.FileHeader;
 import gr.ebs.gss.server.domain.FileUploadStatus;
+import gr.ebs.gss.server.domain.Folder;
+import gr.ebs.gss.server.domain.Group;
+import gr.ebs.gss.server.domain.Permission;
 import gr.ebs.gss.server.domain.User;
-import gr.ebs.gss.server.domain.dto.FileBodyDTO;
-import gr.ebs.gss.server.domain.dto.FileHeaderDTO;
-import gr.ebs.gss.server.domain.dto.FolderDTO;
-import gr.ebs.gss.server.domain.dto.GroupDTO;
-import gr.ebs.gss.server.domain.dto.PermissionDTO;
 import gr.ebs.gss.server.ejb.ExternalAPI;
 import gr.ebs.gss.server.ejb.TransactionHelper;
 import gr.ebs.gss.server.webdav.Range;
@@ -205,8 +205,8 @@ public class FilesHandler extends RequestHandler {
        User owner = getOwner(req);
         boolean exists = true;
         Object resource = null;
-        FileHeaderDTO file = null;
-        FolderDTO folder = null;
+        FileHeader file = null;
+        Folder folder = null;
         try {
                resource = getService().getResourceAtPath(owner.getId(), path, false);
         } catch (ObjectNotFoundException e) {
@@ -223,10 +223,10 @@ public class FilesHandler extends RequestHandler {
                return;
        }
 
-       if (resource instanceof FolderDTO)
-               folder = (FolderDTO) resource;
+       if (resource instanceof Folder)
+               folder = (Folder) resource;
        else
-               file = (FileHeaderDTO) resource;        // Note that file will be null, if (!exists).
+               file = (FileHeader) resource;   // Note that file will be null, if (!exists).
 
        // Now it's time to perform the deferred authentication check.
                // Since regular signature checking was already performed,
@@ -362,7 +362,7 @@ public class FilesHandler extends RequestHandler {
                // Fetch the version to retrieve, if specified.
                String verStr = req.getParameter(VERSION_PARAM);
                int version = 0;
-               FileBodyDTO oldBody = null;
+               FileBody oldBody = null;
                if (verStr != null && file != null)
                        try {
                                version = Integer.valueOf(verStr);
@@ -402,10 +402,10 @@ public class FilesHandler extends RequestHandler {
        boolean expectJSON = false;
 
        if (file != null) {
-               contentType = version>0 ? oldBody.getMimeType() : file.getMimeType();
+               contentType = version>0 ? oldBody.getMimeType() : file.getCurrentBody().getMimeType();
                if (contentType == null) {
                        contentType = context.getMimeType(file.getName());
-                       file.setMimeType(contentType);
+                       file.getCurrentBody().setMimeType(contentType);
                }
        } else { // folder != null
                String accept = req.getHeader("Accept");
@@ -447,7 +447,7 @@ public class FilesHandler extends RequestHandler {
                        return;
                }
                // Get content length.
-               contentLength = version>0 ? oldBody.getFileSize() : file.getFileSize();
+               contentLength = version>0 ? oldBody.getFileSize() : file.getCurrentBody().getFileSize();
                // Special case for zero length files, which would cause a
                // (silent) ISE when setting the output buffer size.
                if (contentLength == 0L)
@@ -643,7 +643,7 @@ public class FilesHandler extends RequestHandler {
         * Return the filename of the specified file properly formatted for
         * including in the Content-Disposition header.
         */
-       private String getDispositionFilename(FileHeaderDTO file) throws UnsupportedEncodingException {
+       private String getDispositionFilename(FileHeader file) throws UnsupportedEncodingException {
                return URLEncoder.encode(file.getName(),"UTF-8").replaceAll("\\+", "%20");
        }
 
@@ -676,7 +676,7 @@ public class FilesHandler extends RequestHandler {
         * @throws IOException if an I/O error occurs
         */
        private void serveProgress(HttpServletRequest req, HttpServletResponse resp,
-                               String parameter, User user, FileHeaderDTO file)        throws IOException {
+                               String parameter, User user, FileHeader file)   throws IOException {
                String filename = file == null ? parameter : file.getName();
                try {
                        FileUploadStatus status = getService().getFileUploadStatus(user.getId(), filename);
@@ -787,13 +787,13 @@ public class FilesHandler extends RequestHandler {
                        resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path);
                        return;
                }
-               if (resource instanceof FolderDTO) {
+               if (resource instanceof Folder) {
                        resp.sendError(HttpServletResponse.SC_CONFLICT);
                        return;
                }
 
                try {
-                       final FileHeaderDTO file = (FileHeaderDTO) resource;
+                       final FileHeader file = (FileHeader) resource;
                        final int oldVersion = Integer.parseInt(version);
 
                        new TransactionHelper<Void>().tryExecute(new Callable<Void>() {
@@ -837,7 +837,7 @@ public class FilesHandler extends RequestHandler {
        User owner = getOwner(request);
        boolean exists = true;
         Object resource = null;
-        FileHeaderDTO file = null;
+        FileHeader file = null;
         try {
                resource = getService().getResourceAtPath(owner.getId(), path, false);
         } catch (ObjectNotFoundException e) {
@@ -848,8 +848,8 @@ public class FilesHandler extends RequestHandler {
                }
 
         if (exists)
-                       if (resource instanceof FileHeaderDTO) {
-                       file = (FileHeaderDTO) resource;
+                       if (resource instanceof FileHeader) {
+                       file = (FileHeader) resource;
                        if (file.isDeleted()) {
                                response.sendError(HttpServletResponse.SC_CONFLICT, file.getName() + " is in the trash");
                        return;
@@ -871,11 +871,11 @@ public class FilesHandler extends RequestHandler {
                response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, path);
                        return;
                }
-       if (!(parent instanceof FolderDTO)) {
+       if (!(parent instanceof Folder)) {
                response.sendError(HttpServletResponse.SC_CONFLICT);
                return;
        }
-       final FolderDTO folder = (FolderDTO) parent;
+       final Folder folderLocal = (Folder) parent;
        final String fileName = getLastElement(path);
 
        if (!isValidResourceName(fileName)) {
@@ -970,25 +970,25 @@ public class FilesHandler extends RequestHandler {
                                        } catch (IOException ex) {
                                                throw new GSSIOException(ex, false);
                                        }
-                                       FileHeaderDTO fileDTO = null;
+                                       FileHeader fileLocal = null;
                                        final File upf = uploadedFile;
-                                       final FileHeaderDTO f = file;
+                                       final FileHeader f = file;
                                        final User u = user;
                                        if (file == null)
-                                               fileDTO = new TransactionHelper<FileHeaderDTO>().tryExecute(new Callable<FileHeaderDTO>() {
+                                               fileLocal = new TransactionHelper<FileHeader>().tryExecute(new Callable<FileHeader>() {
                                                        @Override
-                                                       public FileHeaderDTO call() throws Exception {
-                                                               return getService().createFile(u.getId(), folder.getId(), fileName, contentType, upf.getCanonicalFile().length(), upf.getAbsolutePath());
+                                                       public FileHeader call() throws Exception {
+                                                               return getService().createFile(u.getId(), folderLocal.getId(), fileName, contentType, upf.getCanonicalFile().length(), upf.getAbsolutePath());
                                                        }
                                                });
                                        else
-                                               fileDTO = new TransactionHelper<FileHeaderDTO>().tryExecute(new Callable<FileHeaderDTO>() {
+                                               fileLocal = new TransactionHelper<FileHeader>().tryExecute(new Callable<FileHeader>() {
                                                        @Override
-                                                       public FileHeaderDTO call() throws Exception {
+                                                       public FileHeader call() throws Exception {
                                                                return getService().updateFileContents(u.getId(), f.getId(), contentType, upf.getCanonicalFile().length(), upf.getAbsolutePath());
                                                        }
                                                });
-                                       updateAccounting(owner, new Date(), fileDTO.getFileSize());
+                                       updateAccounting(owner, new Date(), fileLocal.getCurrentBody().getFileSize());
                                        getService().removeFileUploadProgress(user.getId(), fileName);
                                }
                        }
@@ -1099,21 +1099,21 @@ public class FilesHandler extends RequestHandler {
                try {
                        final User dOwner = destOwner;
                        final String dest = destination;
-                       if (resource instanceof FolderDTO) {
-                               final FolderDTO folder = (FolderDTO) resource;
+                       if (resource instanceof Folder) {
+                               final Folder folderLocal = (Folder) resource;
                                new TransactionHelper<Void>().tryExecute(new Callable<Void>() {
                                        @Override
                                        public Void call() throws Exception {
-                                               getService().moveFolderToPath(user.getId(), dOwner.getId(), folder.getId(), dest);
+                                               getService().moveFolderToPath(user.getId(), dOwner.getId(), folderLocal.getId(), dest);
                                                return null;
                                        }
                                });
                        } else {
-                               final FileHeaderDTO file = (FileHeaderDTO) resource;
+                               final FileHeader fileLocal = (FileHeader) resource;
                                new TransactionHelper<Void>().tryExecute(new Callable<Void>() {
                                        @Override
                                        public Void call() throws Exception {
-                                               getService().moveFileToPath(user.getId(), dOwner.getId(), file.getId(), dest);
+                                               getService().moveFileToPath(user.getId(), dOwner.getId(), fileLocal.getId(), dest);
                                                return null;
                                        }
                                });
@@ -1184,21 +1184,21 @@ public class FilesHandler extends RequestHandler {
                try {
                        final User dOwner = destOwner;
                        final String dest = destination;
-                       if (resource instanceof FolderDTO) {
-                               final FolderDTO folder = (FolderDTO) resource;
+                       if (resource instanceof Folder) {
+                               final Folder folderLocal = (Folder) resource;
                                new TransactionHelper<Void>().tryExecute(new Callable<Void>() {
                                        @Override
                                        public Void call() throws Exception {
-                                               getService().copyFolderStructureToPath(user.getId(), dOwner.getId(), folder.getId(), dest);
+                                               getService().copyFolderStructureToPath(user.getId(), dOwner.getId(), folderLocal.getId(), dest);
                                                return null;
                                        }
                                });
                        } else {
-                               final FileHeaderDTO file = (FileHeaderDTO) resource;
+                               final FileHeader fileLocal = (FileHeader) resource;
                                new TransactionHelper<Void>().tryExecute(new Callable<Void>() {
                                        @Override
                                        public Void call() throws Exception {
-                                               getService().copyFileToPath(user.getId(), dOwner.getId(), file.getId(), dest);
+                                               getService().copyFileToPath(user.getId(), dOwner.getId(), fileLocal.getId(), dest);
                                                return null;
                                        }
                                });
@@ -1303,21 +1303,21 @@ public class FilesHandler extends RequestHandler {
                }
 
                try {
-                       if (resource instanceof FolderDTO) {
-                               final FolderDTO folder = (FolderDTO) resource;
+                       if (resource instanceof Folder) {
+                               final Folder folderLocal = (Folder) resource;
                                new TransactionHelper<Void>().tryExecute(new Callable<Void>() {
                                        @Override
                                        public Void call() throws Exception {
-                                               getService().moveFolderToTrash(user.getId(), folder.getId());
+                                               getService().moveFolderToTrash(user.getId(), folderLocal.getId());
                                                return null;
                                        }
                                });
                        } else {
-                               final FileHeaderDTO file = (FileHeaderDTO) resource;
+                               final FileHeader fileLocal = (FileHeader) resource;
                                new TransactionHelper<Void>().tryExecute(new Callable<Void>() {
                                        @Override
                                        public Void call() throws Exception {
-                                               getService().moveFileToTrash(user.getId(), file.getId());
+                                               getService().moveFileToTrash(user.getId(), fileLocal.getId());
                                                return null;
                                        }
                                });
@@ -1356,21 +1356,21 @@ public class FilesHandler extends RequestHandler {
                }
 
                try {
-                       if (resource instanceof FolderDTO) {
-                               final FolderDTO folder = (FolderDTO) resource;
+                       if (resource instanceof Folder) {
+                               final Folder folderLocal = (Folder) resource;
                                new TransactionHelper<Void>().tryExecute(new Callable<Void>() {
                                        @Override
                                        public Void call() throws Exception {
-                                               getService().removeFolderFromTrash(user.getId(), folder.getId());
+                                               getService().removeFolderFromTrash(user.getId(), folderLocal.getId());
                                                return null;
                                        }
                                });
                        } else {
-                               final FileHeaderDTO file = (FileHeaderDTO) resource;
+                               final FileHeader fileLocal = (FileHeader) resource;
                                new TransactionHelper<Void>().tryExecute(new Callable<Void>() {
                                        @Override
                                        public Void call() throws Exception {
-                                               getService().removeFileFromTrash(user.getId(), file.getId());
+                                               getService().removeFileFromTrash(user.getId(), fileLocal.getId());
                                                return null;
                                        }
                                });
@@ -1424,15 +1424,15 @@ public class FilesHandler extends RequestHandler {
                        json = new JSONObject(input.toString());
                        if (logger.isDebugEnabled())
                                logger.debug("JSON update: " + json);
-                       if (resource instanceof FolderDTO) {
-                               final FolderDTO folder = (FolderDTO) resource;
+                       if (resource instanceof Folder) {
+                               final Folder folderLocal = (Folder) resource;
                                String name = json.optString("name");
                                if (!isValidResourceName(name)) {
                                resp.sendError(HttpServletResponse.SC_BAD_REQUEST);
                                return;
                        }
                                JSONArray permissions = json.optJSONArray("permissions");
-                               Set<PermissionDTO> perms = null;
+                               Set<Permission> perms = null;
                                if (permissions != null)
                                        perms = parsePermissions(user, permissions);
                                Boolean readForAll = null;
@@ -1441,18 +1441,18 @@ public class FilesHandler extends RequestHandler {
                                if (!name.isEmpty() || permissions != null || readForAll != null) {
                                        final String fName = name.isEmpty()? null: name;
                                        final Boolean freadForAll =  readForAll;
-                                       final Set<PermissionDTO> fPerms = perms;
-                                       FolderDTO folderUpdated = new TransactionHelper<FolderDTO>().tryExecute(new Callable<FolderDTO>() {
+                                       final Set<Permission> fPerms = perms;
+                                       Folder folderUpdated = new TransactionHelper<Folder>().tryExecute(new Callable<Folder>() {
                                                @Override
-                                               public FolderDTO call() throws Exception {
-                                                       return getService().updateFolder(user.getId(), folder.getId(), fName, freadForAll, fPerms);
+                                               public Folder call() throws Exception {
+                                                       return getService().updateFolder(user.getId(), folderLocal.getId(), fName, freadForAll, fPerms);
                                                }
 
                                        });
                                        resp.getWriter().println(getNewUrl(req, folderUpdated));
                                }
                        } else {
-                               final FileHeaderDTO file = (FileHeaderDTO) resource;
+                               final FileHeader fileLocal = (FileHeader) resource;
                                String name = null;
                                if (json.opt("name") != null)
                                        name = json.optString("name");
@@ -1476,7 +1476,7 @@ public class FilesHandler extends RequestHandler {
                                        tags = t.toString();
                                }
                                JSONArray permissions = json.optJSONArray("permissions");
-                               Set<PermissionDTO> perms = null;
+                               Set<Permission> perms = null;
                                if (permissions != null)
                                        perms = parsePermissions(user, permissions);
                                Boolean readForAll = null;
@@ -1490,11 +1490,11 @@ public class FilesHandler extends RequestHandler {
                                        final Date mDate = modificationDate != null? new Date(modificationDate): null;
                                        final Boolean fVersioned = versioned;
                                        final Boolean fReadForAll = readForAll;
-                                       final Set<PermissionDTO> fPerms = perms;
+                                       final Set<Permission> fPerms = perms;
                                        new TransactionHelper<Object>().tryExecute(new Callable<Object>() {
                                                @Override
                                                public Object call() throws Exception {
-                                                       getService().updateFile(user.getId(), file.getId(),
+                                                       getService().updateFile(user.getId(), fileLocal.getId(),
                                                                                fName, fTags, mDate, fVersioned,
                                                                                fReadForAll, fPerms);
                                                        return null;
@@ -1522,7 +1522,7 @@ public class FilesHandler extends RequestHandler {
        /**
         * Returns the new URL of an updated folder.
         */
-       private String getNewUrl(HttpServletRequest req, FolderDTO folder) throws UnsupportedEncodingException {
+       private String getNewUrl(HttpServletRequest req, Folder folder) throws UnsupportedEncodingException {
                String parentUrl = URLDecoder.decode(getContextPath(req, true),"UTF-8");
                String fpath = URLDecoder.decode(getRelativePath(req), "UTF-8");
                if (parentUrl.indexOf(fpath) != -1)
@@ -1535,7 +1535,7 @@ public class FilesHandler extends RequestHandler {
 
        /**
         * Helper method to convert a JSON array of permissions into a set of
-        * PermissionDTO objects.
+        * Permission objects.
         *
         * @param user the current user
         * @param permissions the JSON array to parse
@@ -1545,14 +1545,14 @@ public class FilesHandler extends RequestHandler {
         * @throws ObjectNotFoundException if the user could not be found
         * @throws UnsupportedEncodingException
         */
-       private Set<PermissionDTO> parsePermissions(User user, JSONArray permissions)
+       private Set<Permission> parsePermissions(User user, JSONArray permissions)
                        throws JSONException, RpcException, ObjectNotFoundException, UnsupportedEncodingException {
                if (permissions == null)
                        return null;
-               Set<PermissionDTO> perms = new HashSet<PermissionDTO>();
+               Set<Permission> perms = new HashSet<Permission>();
                for (int i = 0; i < permissions.length(); i++) {
                        JSONObject j = permissions.getJSONObject(i);
-                       PermissionDTO perm = new PermissionDTO();
+                       Permission perm = new Permission();
                        perm.setModifyACL(j.optBoolean("modifyACL"));
                        perm.setRead(j.optBoolean("read"));
                        perm.setWrite(j.optBoolean("write"));
@@ -1561,7 +1561,7 @@ public class FilesHandler extends RequestHandler {
                                User u = getService().findUser(permUser);
                                if (u == null)
                                        throw new ObjectNotFoundException("User " + permUser + " not found");
-                               perm.setUser(u.getDTO());
+                               perm.setUser(u);
                        }
                        // 31/8/2009: Add optional groupUri which takes priority if it exists
                        String permGroupUri = j.optString("groupUri");
@@ -1573,11 +1573,11 @@ public class FilesHandler extends RequestHandler {
                                User u = getService().findUser(usr);
                                if (u == null)
                                        throw new ObjectNotFoundException("User " + permUser + " not found");
-                               GroupDTO g = getService().getGroup(u.getId(), grp);
+                               Group g = getService().getGroup(u.getId(), grp);
                                perm.setGroup(g);
                        }
                        else if (!permGroup.isEmpty()) {
-                               GroupDTO g = getService().getGroup(user.getId(), permGroup);
+                               Group g = getService().getGroup(user.getId(), permGroup);
                                perm.setGroup(g);
                        }
                        if (permUser.isEmpty() && permGroupUri.isEmpty() && permGroup.isEmpty())
@@ -1630,12 +1630,12 @@ public class FilesHandler extends RequestHandler {
                        return;
                }
                try {
-                       if (parent instanceof FolderDTO) {
-                               final FolderDTO folder = (FolderDTO) parent;
-                               FolderDTO newFolder = new TransactionHelper<FolderDTO>().tryExecute(new Callable<FolderDTO>() {
+                       if (parent instanceof Folder) {
+                               final Folder folderLocal = (Folder) parent;
+                               Folder newFolder = new TransactionHelper<Folder>().tryExecute(new Callable<Folder>() {
                                        @Override
-                                       public FolderDTO call() throws Exception {
-                                               return getService().createFolder(user.getId(), folder.getId(), folderName);
+                                       public Folder call() throws Exception {
+                                               return getService().createFolder(user.getId(), folderLocal.getId(), folderName);
                                        }
 
                                });
@@ -1688,7 +1688,7 @@ public class FilesHandler extends RequestHandler {
        User owner = getOwner(req);
        boolean exists = true;
         Object resource = null;
-        FileHeaderDTO file = null;
+        FileHeader fileLocal = null;
         try {
                resource = getService().getResourceAtPath(owner.getId(), path, false);
         } catch (ObjectNotFoundException e) {
@@ -1699,8 +1699,8 @@ public class FilesHandler extends RequestHandler {
                }
 
         if (exists)
-                       if (resource instanceof FileHeaderDTO)
-                       file = (FileHeaderDTO) resource;
+                       if (resource instanceof FileHeader)
+                       fileLocal = (FileHeader) resource;
                        else {
                        resp.sendError(HttpServletResponse.SC_CONFLICT, path + " is a folder");
                        return;
@@ -1736,13 +1736,13 @@ public class FilesHandler extends RequestHandler {
                        resourceInputStream = req.getInputStream();
 
         try {
-               FolderDTO folder = null;
+               Folder folderLocal = null;
                Object parent = getService().getResourceAtPath(owner.getId(), getParentPath(path), true);
-               if (!(parent instanceof FolderDTO)) {
+               if (!(parent instanceof Folder)) {
                        resp.sendError(HttpServletResponse.SC_CONFLICT);
                        return;
                }
-                       folder = (FolderDTO) parent;
+                       folderLocal = (Folder) parent;
                final String name = getLastElement(path);
                final String mimeType = context.getMimeType(name);
                File uploadedFile = null;
@@ -1751,27 +1751,27 @@ public class FilesHandler extends RequestHandler {
                        } catch (IOException ex) {
                                throw new GSSIOException(ex, false);
                        }
-               FileHeaderDTO fileDTO = null;
+               FileHeader fileTemp = null;
                final File uploadedf = uploadedFile;
-                       final FolderDTO parentf = folder;
-                       final FileHeaderDTO f = file;
+                       final Folder parentf = folderLocal;
+                       final FileHeader f = fileLocal;
             if (exists)
-               fileDTO = new TransactionHelper<FileHeaderDTO>().tryExecute(new Callable<FileHeaderDTO>() {
+               fileTemp = new TransactionHelper<FileHeader>().tryExecute(new Callable<FileHeader>() {
                                        @Override
-                                       public FileHeaderDTO call() throws Exception {
+                                       public FileHeader call() throws Exception {
                                                return getService().updateFileContents(user.getId(), f.getId(), mimeType, uploadedf.getCanonicalFile().length(), uploadedf.getAbsolutePath());
                                        }
                                });
                        else
-                               fileDTO = new TransactionHelper<FileHeaderDTO>().tryExecute(new Callable<FileHeaderDTO>() {
+                               fileTemp = new TransactionHelper<FileHeader>().tryExecute(new Callable<FileHeader>() {
                                        @Override
-                                       public FileHeaderDTO call() throws Exception {
+                                       public FileHeader call() throws Exception {
                                                return getService().createFile(user.getId(), parentf.getId(), name, mimeType, uploadedf.getCanonicalFile().length(), uploadedf.getAbsolutePath());
                                        }
 
                                });
-            updateAccounting(owner, new Date(), fileDTO.getFileSize());
-                       getService().removeFileUploadProgress(user.getId(), fileDTO.getName());
+            updateAccounting(owner, new Date(), fileTemp.getCurrentBody().getFileSize());
+                       getService().removeFileUploadProgress(user.getId(), fileTemp.getName());
         } catch(ObjectNotFoundException e) {
             result = false;
         } catch (RpcException e) {
@@ -1836,16 +1836,16 @@ public class FilesHandler extends RequestHandler {
                return;
        }
 
-       FolderDTO folder = null;
-       FileHeaderDTO file = null;
-       if (object instanceof FolderDTO)
-               folder = (FolderDTO) object;
+       Folder folderLocal = null;
+       FileHeader fileLocal = null;
+       if (object instanceof Folder)
+               folderLocal = (Folder) object;
        else
-               file = (FileHeaderDTO) object;
+               fileLocal = (FileHeader) object;
 
-       if (file != null)
+       if (fileLocal != null)
                        try {
-                               final FileHeaderDTO f = file;
+                               final FileHeader f = fileLocal;
                                new TransactionHelper<Void>().tryExecute(new Callable<Void>() {
                                        @Override
                                        public Void call() throws Exception {
@@ -1868,9 +1868,9 @@ public class FilesHandler extends RequestHandler {
                        resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
                        return;
                }
-               else if (folder != null)
+               else if (folderLocal != null)
                        try {
-                               final FolderDTO fo = folder;
+                               final Folder fo = folderLocal;
                                new TransactionHelper<Void>().tryExecute(new Callable<Void>() {
                                        @Override
                                        public Void call() throws Exception {
@@ -1907,8 +1907,17 @@ public class FilesHandler extends RequestHandler {
         * @throws InsufficientPermissionsException if the user does not have
         *                      the necessary privileges to read the directory
      */
-    private InputStream renderJson(User user, FolderDTO folder) throws IOException,
+    private InputStream renderJson(User user, Folder folder) throws IOException,
                ServletException, InsufficientPermissionsException {
+       try {
+                       folder = getService().expandFolder(folder);
+               } catch (ObjectNotFoundException e1) {
+                       // TODO Auto-generated catch block
+                       e1.printStackTrace();
+               } catch (RpcException e1) {
+                       // TODO Auto-generated catch block
+                       e1.printStackTrace();
+               }
        JSONObject json = new JSONObject();
        try {
                        json.put("name", folder.getName()).
@@ -1916,6 +1925,7 @@ public class FilesHandler extends RequestHandler {
                                        put("createdBy", folder.getAuditInfo().getCreatedBy().getUsername()).
                                        put("creationDate", folder.getAuditInfo().getCreationDate().getTime()).
                                        put("deleted", folder.isDeleted()).
+                                       put("shared", folder.getShared()).
                                        put("readForAll", folder.isReadForAll());
 
                        if (folder.getAuditInfo().getModifiedBy() != null)
@@ -1928,7 +1938,7 @@ public class FilesHandler extends RequestHandler {
                                json.put("parent", j);
                        }
                List<JSONObject> subfolders = new ArrayList<JSONObject>();
-               for (FolderDTO f: folder.getSubfolders())
+               for (Folder f: folder.getSubfolders())
                                if (!f.isDeleted()) {
                                        JSONObject j = new JSONObject();
                                        j.put("name", f.getName()).
@@ -1937,15 +1947,17 @@ public class FilesHandler extends RequestHandler {
                                }
                json.put("folders", subfolders);
                List<JSONObject> files = new ArrayList<JSONObject>();
-               List<FileHeaderDTO> fileHeaders = getService().getFiles(user.getId(), folder.getId(), false);
-               for (FileHeaderDTO f: fileHeaders) {
+               List<FileHeader> fileHeaders = getService().getFiles(user.getId(), folder.getId(), false);
+               for (FileHeader f: fileHeaders) {
                        JSONObject j = new JSONObject();
                                j.put("name", f.getName()).
                                        put("owner", f.getOwner().getUsername()).
                                        put("deleted", f.isDeleted()).
-                                       put("version", f.getVersion()).
-                                       put("content", f.getMimeType()).
-                                       put("size", f.getFileSize()).
+                                       put("version", f.getCurrentBody().getVersion()).
+                                       put("content", f.getCurrentBody().getMimeType()).
+                                       put("size", f.getCurrentBody().getFileSize()).
+                                       put("shared", f.getShared()).
+                                       put("versioned",f.isVersioned()).
                                        put("creationDate", f.getAuditInfo().getCreationDate().getTime()).
                                        put("path", f.getFolder().getPath()).
                                        put("uri", getApiRoot() + f.getURI());
@@ -1954,7 +1966,7 @@ public class FilesHandler extends RequestHandler {
                                files.add(j);
                }
                json.put("files", files);
-               Set<PermissionDTO> perms = getService().getFolderPermissions(user.getId(), folder.getId());
+               Set<Permission> perms = getService().getFolderPermissions(user.getId(), folder.getId());
                json.put("permissions", renderJson(perms));
                } catch (JSONException e) {
                        throw new ServletException(e);
@@ -1982,7 +1994,7 @@ public class FilesHandler extends RequestHandler {
         * @throws InsufficientPermissionsException
         * @throws ObjectNotFoundException
      */
-    private String renderJsonMetadata(User user, FolderDTO folder)
+    private String renderJsonMetadata(User user, Folder folder)
                throws ServletException, InsufficientPermissionsException {
        // Check if the user has read permission.
                try {
@@ -2026,17 +2038,19 @@ public class FilesHandler extends RequestHandler {
         * @throws InsufficientPermissionsException if the user does not have
         *                      the necessary privileges to read the directory
      */
-    private String renderJson(User user, FileHeaderDTO file, FileBodyDTO oldBody)
+    private String renderJson(User user, FileHeader file, FileBody oldBody)
                throws ServletException, InsufficientPermissionsException {
        JSONObject json = new JSONObject();
        try {
+               file=getService().expandFile(file);
                // Need to encode file name in order to properly display it in the web client.
                        json.put("name", URLEncoder.encode(file.getName(),"UTF-8")).
                                        put("owner", file.getOwner().getUsername()).
                                        put("versioned", file.isVersioned()).
-                                       put("version", oldBody != null ? oldBody.getVersion() : file.getVersion()).
+                                       put("version", oldBody != null ? oldBody.getVersion() : file.getCurrentBody().getVersion()).
                                        put("readForAll", file.isReadForAll()).
-                                       put("tags", renderJson(file.getTags())).
+                                       put("shared", file.getShared()).
+                                       put("tags", renderJson(file.getFileTagsAsStrings())).
                                        put("path", file.getFolder().getPath()).
                                put("uri", getApiRoot() + file.getURI()).
                                        put("deleted", file.isDeleted());
@@ -2056,9 +2070,9 @@ public class FilesHandler extends RequestHandler {
                                                put("creationDate", file.getAuditInfo().getCreationDate().getTime()).
                                                put("modifiedBy", file.getAuditInfo().getModifiedBy().getUsername()).
                                                put("modificationDate", file.getAuditInfo().getModificationDate().getTime()).
-                                               put("content", file.getMimeType()).
-                                               put("size", file.getFileSize());
-               Set<PermissionDTO> perms = getService().getFilePermissions(user.getId(), file.getId());
+                                               put("content", file.getCurrentBody().getMimeType()).
+                                               put("size", file.getCurrentBody().getFileSize());
+               Set<Permission> perms = getService().getFilePermissions(user.getId(), file.getId());
                json.put("permissions", renderJson(perms));
                } catch (JSONException e) {
                        throw new ServletException(e);
@@ -2082,15 +2096,15 @@ public class FilesHandler extends RequestHandler {
         * @throws JSONException
         * @throws UnsupportedEncodingException
         */
-       private JSONArray renderJson(Set<PermissionDTO> permissions) throws JSONException, UnsupportedEncodingException {
+       private JSONArray renderJson(Set<Permission> permissions) throws JSONException, UnsupportedEncodingException {
                JSONArray perms = new JSONArray();
-               for (PermissionDTO p: permissions) {
+               for (Permission p: permissions) {
                        JSONObject permission = new JSONObject();
                        permission.put("read", p.hasRead()).put("write", p.hasWrite()).put("modifyACL", p.hasModifyACL());
                        if (p.getUser() != null)
                                permission.put("user", p.getUser().getUsername());
                        if (p.getGroup() != null) {
-                               GroupDTO group = p.getGroup();
+                               Group group = p.getGroup();
                                permission.put("groupUri", getApiRoot() + group.getOwner().getUsername() + PATH_GROUPS + "/" + URLEncoder.encode(group.getName(),"UTF-8"));
                                permission.put("group", URLEncoder.encode(p.getGroup().getName(),"UTF-8"));
                        }
@@ -2172,10 +2186,9 @@ public class FilesHandler extends RequestHandler {
                        if (fileSize != contentLength)
                                fileSize = contentLength;
                        int percent = new Long(bytesTransferred * 100 / fileSize).intValue();
-                       System.out.println("-->"+percent+ " "+(percent % TRACK_PROGRESS_PERCENT));
                        if (percent < 5 || percent % TRACK_PROGRESS_PERCENT == 0 )
-                               //if (percent != percentLogged){
-                                       //percentLogged = percent;
+                               if (percent != percentLogged){
+                                       percentLogged = percent;
                                        try {
                                                if (userId != null && filename != null)
                                                        service.createFileUploadProgress(userId, filename, bytesTransferred, fileSize);
@@ -2183,7 +2196,7 @@ public class FilesHandler extends RequestHandler {
                                                // Swallow the exception since it is going to be caught
                                                // by previously called methods
                                        }
-                               //}
+                               }
                }
        }
 
@@ -2199,7 +2212,7 @@ public class FilesHandler extends RequestHandler {
         * @throws IOException
         * @throws ServletException
         */
-       private InputStream renderHtml(String contextPath, String path, FolderDTO folder, User user)
+       private InputStream renderHtml(String contextPath, String path, Folder folder, User user)
                throws IOException, ServletException {
                String name = folder.getName();
                // Prepare a writer to a buffered area
@@ -2265,7 +2278,7 @@ public class FilesHandler extends RequestHandler {
                boolean shade = false;
                Iterator iter = folder.getSubfolders().iterator();
                while (iter.hasNext()) {
-                       FolderDTO subf = (FolderDTO) iter.next();
+                       Folder subf = (Folder) iter.next();
                        if(subf.isReadForAll() && !subf.isDeleted()){
                                String resourceName = subf.getName();
                                if (resourceName.equalsIgnoreCase("WEB-INF") || resourceName.equalsIgnoreCase("META-INF"))
@@ -2299,7 +2312,7 @@ public class FilesHandler extends RequestHandler {
 
                        }
                }
-               List<FileHeaderDTO> files;
+               List<FileHeader> files;
                try {
                        files = getService().getFiles(user.getId(), folder.getId(), true);
                } catch (ObjectNotFoundException e) {
@@ -2309,7 +2322,7 @@ public class FilesHandler extends RequestHandler {
                } catch (RpcException e) {
                        throw new ServletException(e.getMessage());
                }
-               for (FileHeaderDTO file : files)
+               for (FileHeader file : files)
                //Display only file resources that are marked as public and are not deleted
                        if(file.isReadForAll() && !file.isDeleted()){
                                String resourceName = file.getName();
@@ -2331,7 +2344,7 @@ public class FilesHandler extends RequestHandler {
                                sb.append("</tt></a></td>\r\n");
 
                                sb.append("<td align=\"right\"><tt>");
-                               sb.append(renderSize(file.getFileSize()));
+                               sb.append(renderSize(file.getCurrentBody().getFileSize()));
                                sb.append("</tt></td>\r\n");
 
                                sb.append("<td align=\"right\"><tt>");