com.dropbox.core.v2.files.ListFolderResult Java Examples

List<String> listFiles() throws Exception {
    if (authSession()) {
        try {
            List<String> files = new ArrayList<String>();
            ListFolderResult listFolderResult = dropboxClient.files().listFolder("");
            for (Metadata metadata : listFolderResult.getEntries()) {
                String name = metadata.getName();
                if (name.endsWith(".backup")) {
                    files.add(name);
                }
            }
            Collections.sort(files, new Comparator<String>() {
                @Override
                public int compare(String s1, String s2) {
                    return s2.compareTo(s1);
                }
            });
            return files;
        } catch (Exception e) {
            Log.e("Financisto", "Dropbox: Something wrong", e);
            throw new ImportExportException(R.string.dropbox_error, e);
        }
    } else {
        throw new ImportExportException(R.string.dropbox_auth_error);
    }
}
 

@Override
public AttributedList<Path> list(final Path directory, final ListProgressListener listener) throws BackgroundException {
    try {
        final AttributedList<Path> children = new AttributedList<>();
        ListFolderResult result;
        final DbxRawClientV2 client;
        this.parse(directory, listener, children, result = new DbxUserFilesRequests(session.getClient(directory)).listFolder(containerService.getKey(directory)));
        // If true, then there are more entries available. Pass the cursor to list_folder/continue to retrieve the rest.
        while(result.getHasMore()) {
            this.parse(directory, listener, children, result = new DbxUserFilesRequests(session.getClient(directory)).listFolderContinue(result.getCursor()));
        }
        return children;
    }
    catch(DbxException e) {
        throw new DropboxExceptionMappingService().map("Listing directory {0} failed", e, directory);
    }
}
 

@Override
public @NotNull List<RemoteResourceReference> getChildren() {
    ArrayList<RemoteResourceReference> children = new ArrayList<>();
    ListFolderResult result;
    try {
        result = client.files().listFolder(metadata.getPathLower());
        boolean hasMoreResults = true;
        while (hasMoreResults) {
            for (Metadata entry : result.getEntries()) {
                if (!(entry instanceof DeletedMetadata)) {
                    children.add(new DropboxResourceReference(dropboxStorageProvider, entry));
                }
            }
            result = client.files().listFolderContinue(result.getCursor());
            hasMoreResults = result.getHasMore();
        }
    } catch (ListFolderContinueErrorException e) {
        LOGGER.error(String.format("Cannot read all children of folder %s.", metadata.getPathLower()), e);
    } catch (
            DbxException ex) {
        LOGGER.error(String.format("Cannot access path %s on Dropbox.", metadata.getPathLower()), ex);
    }
    return children;
}
 

/**
 * Prints changes made to a folder in Dropbox since the given
 * cursor was retrieved.
 *
 * @param dbxClient Dropbox client to use for fetching folder changes
 * @param cursor lastest cursor received since last set of changes
 *
 * @return latest cursor after changes
 */
private static String printChanges(DbxClientV2 client, String cursor)
    throws DbxApiException, DbxException {

    while (true) {
        ListFolderResult result = client.files()
            .listFolderContinue(cursor);
        for (Metadata metadata : result.getEntries()) {
            String type;
            String details;
            if (metadata instanceof FileMetadata) {
                FileMetadata fileMetadata = (FileMetadata) metadata;
                type = "file";
                details = "(rev=" + fileMetadata.getRev() + ")";
            } else if (metadata instanceof FolderMetadata) {
                FolderMetadata folderMetadata = (FolderMetadata) metadata;
                type = "folder";
                details = folderMetadata.getSharingInfo() != null ? "(shared)" : "";
            } else if (metadata instanceof DeletedMetadata) {
                type = "deleted";
                details = "";
            } else {
                throw new IllegalStateException("Unrecognized metadata type: " + metadata.getClass());
            }

            System.out.printf("\t%10s %24s \"%s\"\n", type, details, metadata.getPathLower());
        }
        // update cursor to fetch remaining results
        cursor = result.getCursor();

        if (!result.getHasMore()) {
            break;
        }
    }

    return cursor;
}
 

private void parse(final Path directory, final ListProgressListener listener, final AttributedList<Path> children, final ListFolderResult result)
    throws ConnectionCanceledException {
    for(Metadata md : result.getEntries()) {
        final Path child = this.parse(directory, md);
        if(child == null) {
            continue;
        }
        children.add(child);
        listener.chunk(directory, children);
    }
}
 

/**
 * @return List with user's files or empty List if error occurs
 */
public List<DbxEntryDto> getDbxTexEntries(DbxClientV2 client) {
    List<DbxEntryDto> dbxEntries = new ArrayList<>();

    if (client == null) {
        return dbxEntries;
    }

    try {
        ListFolderResult result = client.files().listFolderBuilder("").withRecursive(true).start();
        while (true) {
            for (Metadata metadata : result.getEntries()) {
                if (metadata instanceof FileMetadata) {
                    String name = metadata.getName();
                    if (name.endsWith(TEX_EXTENSION)) {
                        dbxEntries.add(new DbxEntryDto((FileMetadata) metadata));
                    }
                }
            }

            if (!result.getHasMore()) {
                break;
            }

            result = client.files().listFolderContinue(result.getCursor());
        }
    } catch (DbxException ex) {
        DbxUtil.showDbxAccessDeniedPrompt();
        dbxEntries = new ArrayList<>(); //Empty list
    } finally {
        return dbxEntries;
    }
}
 

@Override
protected void onPostExecute(ListFolderResult result) {
    super.onPostExecute(result);

    if (mException != null) {
        mCallback.onError(mException);
    } else {
        mCallback.onDataLoaded(result);
    }
}
 

@Override
protected ListFolderResult doInBackground(String... params) {
    try {
        return mDbxClient.files().listFolder(params[0]);
    } catch (DbxException e) {
        mException = e;
    }

    return null;
}
 

@Override
protected void loadData() {

    final ProgressDialog dialog = new ProgressDialog(this);
    dialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
    dialog.setCancelable(false);
    dialog.setMessage("Loading");
    dialog.show();

    new ListFolderTask(DropboxClientFactory.getClient(), new ListFolderTask.Callback() {
        @Override
        public void onDataLoaded(ListFolderResult result) {
            dialog.dismiss();

            mFilesAdapter.setFiles(result.getEntries());
        }

        @Override
        public void onError(Exception e) {
            dialog.dismiss();

            Log.e(TAG, "Failed to list folder.", e);
            Toast.makeText(FilesActivity.this,
                    "An error has occurred",
                    Toast.LENGTH_SHORT)
                    .show();
        }
    }).execute(mPath);
}
 

void onDataLoaded(ListFolderResult result);