Synnefo » Pithos Web Client

	public void scheduleFolderHeadCommand(final Folder folder, final Command callback) {

		HeadRequest<Folder> headFolder = new HeadRequest<Folder>(Folder.class, getApiPath(), folder.getOwner(), folder.getUri(), folder) {

			@Override

			public void onSuccess(Folder _result) {

				if (callback != null)

					callback.execute();

			}

			@Override

			public void onError(Throwable t) {

		        if (t instanceof RestException) {

		        	if (((RestException) t).getHttpStatusCode() == Response.SC_NOT_FOUND) {

                        final String path = folder.getUri();

                        PutRequest newFolder = new PutRequest(getApiPath(), folder.getOwner(), path) {

                            @Override

                            public void onSuccess(Resource _result) {

                            	scheduleFolderHeadCommand(folder, callback);

                            }

                            @Override

                            public void onError(Throwable _t) {

                                GWT.log("", _t);

        						setError(_t);

                                if(_t instanceof RestException){

                                    displayError("Unable to create folder: " + ((RestException) _t).getHttpStatusText());

                                }

                                else

                                    displayError("System error creating folder: " + _t.getMessage());

                            }

            				@Override

            				protected void onUnauthorized(Response response) {

            					sessionExpired();

            				}

                        };

                        newFolder.setHeader("X-Auth-Token", getToken());

                        newFolder.setHeader("Content-Type", "application/folder");

                        newFolder.setHeader("Accept", "*/*");

                        newFolder.setHeader("Content-Length", "0");

                        Scheduler.get().scheduleDeferred(newFolder);

		        	}

		        	else

		        		displayError("Error heading folder: " + ((RestException) t).getHttpStatusText());

		        }

		        else

		            displayError("System error heading folder: " + t.getMessage());

		        GWT.log("Error heading folder", t);

				setError(t);

			}

			@Override

			protected void onUnauthorized(Response response) {

				sessionExpired();

			}

		};

		headFolder.setHeader("X-Auth-Token", getToken());

		Scheduler.get().scheduleDeferred(headFolder);

	}

	public void scheduleFileHeadCommand(File f, final Command callback) {

		HeadRequest<File> headFile = new HeadRequest<File>(File.class, getApiPath(), f.getOwner(), f.getUri(), f) {

			@Override

			public void onSuccess(File _result) {

				if (callback != null)

					callback.execute();

			}

			@Override

			public void onError(Throwable t) {

		        GWT.log("Error heading file", t);

				setError(t);

		        if (t instanceof RestException)

		            displayError("Error heading file: " + ((RestException) t).getHttpStatusText());

		        else

		            displayError("System error heading file: " + t.getMessage());

			}

			@Override

			protected void onUnauthorized(Response response) {

				sessionExpired();

			}

		};

		headFile.setHeader("X-Auth-Token", getToken());

		Scheduler.get().scheduleDeferred(headFile);

	}