Examples with DbxException com.dropbox.core.DbxException used on opensource projects

Example 6 with DbxException

use of com.dropbox.core.DbxException in project drill by apache.

the class DropboxFileSystem method open.

@Override
public FSDataInputStream open(Path path, int bufferSize) throws IOException {
    FSDataInputStream fsDataInputStream;
    String filename = getFileName(path);
    client = getClient();
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    try {
        client.files().download(filename).download(out);
        fsDataInputStream = new FSDataInputStream(new SeekableByteArrayInputStream(out.toByteArray()));
    } catch (DbxException e) {
        throw new IOException(e.getMessage());
    }
    return fsDataInputStream;
}

Example 7 with DbxException

use of com.dropbox.core.DbxException in project dropbox-sdk-java by dropbox.

the class Main method longpoll.

/**
 * Will perform longpoll request for changes in the user's Dropbox
 * account and display those changes. This is more efficient that
 * periodic polling the endpoint.
 */
public static void longpoll(DbxAuthInfo auth, String path) throws IOException {
    long longpollTimeoutSecs = TimeUnit.MINUTES.toSeconds(2);
    // need 2 Dropbox clients for making calls:
    // 
    // (1) One for longpoll requests, with its read timeout set longer than our polling timeout
    // (2) One for all other requests, with its read timeout set to the default, shorter timeout
    // 
    StandardHttpRequestor.Config config = StandardHttpRequestor.Config.DEFAULT_INSTANCE;
    StandardHttpRequestor.Config longpollConfig = config.copy().withReadTimeout(5, TimeUnit.MINUTES).build();
    DbxClientV2 dbxClient = createClient(auth, config);
    DbxClientV2 dbxLongpollClient = createClient(auth, longpollConfig);
    try {
        // We only care about file changes, not existing files, so grab latest cursor for this
        // path and then longpoll for changes.
        String cursor = getLatestCursor(dbxClient, path);
        System.out.println("Longpolling for changes... press CTRL-C to exit.");
        while (true) {
            // will block for longpollTimeoutSecs or until a change is made in the folder
            ListFolderLongpollResult result = dbxLongpollClient.files().listFolderLongpoll(cursor, longpollTimeoutSecs);
            // we have changes, list them
            if (result.getChanges()) {
                cursor = printChanges(dbxClient, cursor);
            }
            // we were asked to back off from our polling, wait the requested amount of seconds
            // before issuing another longpoll request.
            Long backoff = result.getBackoff();
            if (backoff != null) {
                try {
                    System.out.printf("backing off for %d secs...\n", backoff.longValue());
                    Thread.sleep(TimeUnit.SECONDS.toMillis(backoff));
                } catch (InterruptedException ex) {
                    System.exit(0);
                }
            }
        }
    } catch (DbxApiException ex) {
        // if a user message is available, try using that instead
        String message = ex.getUserMessage() != null ? ex.getUserMessage().getText() : ex.getMessage();
        System.err.println("Error making API call: " + message);
        System.exit(1);
    } catch (NetworkIOException ex) {
        System.err.println("Error making API call: " + ex.getMessage());
        if (ex.getCause() instanceof SocketTimeoutException) {
            System.err.println("Consider increasing socket read timeout or decreasing longpoll timeout.");
        }
        System.exit(1);
    } catch (DbxException ex) {
        System.err.println("Error making API call: " + ex.getMessage());
        System.exit(1);
    }
}

Example 8 with DbxException

use of com.dropbox.core.DbxException in project dropbox-sdk-java by dropbox.

the class Main method main.

public static void main(String[] args) throws IOException {
    // Only display important log messages.
    Logger.getLogger("").setLevel(Level.INFO);
    Config cfg = parseArgs(args);
    if (cfg == null) {
        System.exit(1);
        return;
    }
    // Read app info file (contains app key and app secret)
    DbxAppInfo appInfo;
    try {
        appInfo = DbxAppInfo.Reader.readFromFile(cfg.appInfoFile);
    } catch (JsonReader.FileLoadException ex) {
        System.err.println("Error reading <app-info-file>: " + ex.getMessage());
        System.exit(1);
        return;
    }
    DbxOAuth1AccessToken oauth1AccessToken = new DbxOAuth1AccessToken(cfg.accessTokenKey, cfg.accessTokenSecret);
    // Get an OAuth 2 access token.
    DbxRequestConfig requestConfig = new DbxRequestConfig("examples-authorize");
    DbxOAuth1Upgrader upgrader = new DbxOAuth1Upgrader(requestConfig, appInfo);
    String oauth2AccessToken;
    try {
        oauth2AccessToken = upgrader.createOAuth2AccessToken(oauth1AccessToken);
    } catch (DbxException ex) {
        System.err.println("Error getting OAuth 2 access token: " + ex.getMessage());
        System.exit(1);
        return;
    }
    System.out.println("OAuth 2 access token obtained.");
    DbxAuthInfo authInfo = new DbxAuthInfo(oauth2AccessToken, appInfo.getHost());
    DbxAuthInfo.Writer.writeToStream(authInfo, System.out);
    System.out.println();
    // Disable the OAuth 1 access token.
    if (cfg.disable) {
        try {
            upgrader.disableOAuth1AccessToken(oauth1AccessToken);
        } catch (DbxException ex) {
            System.err.println("Error disabling OAuth 1 access token: " + ex.getMessage());
            System.exit(1);
            return;
        }
        System.out.println("OAuth 1 access token disabled.");
    }
}

Example 9 with DbxException

use of com.dropbox.core.DbxException in project dropbox-sdk-java by dropbox.

the class DropboxBrowse method doUpload.

// -------------------------------------------------------------------------------------------
// POST /upload
// -------------------------------------------------------------------------------------------
public void doUpload(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
    MultipartConfigElement multipartConfigElement = new MultipartConfigElement("/tmp");
    request.setAttribute("org.eclipse.multipartConfig", multipartConfigElement);
    if (!common.checkPost(request, response))
        return;
    User user = common.requireLoggedInUser(request, response);
    if (user == null)
        return;
    DbxClientV2 dbxClient = requireDbxClient(request, response, user);
    if (dbxClient == null)
        return;
    try {
        // Just call getParts() to trigger the too-large exception.
        request.getParts();
    } catch (IllegalStateException ex) {
        response.sendError(400, "Request too large");
        return;
    }
    String targetFolder = slurpUtf8Part(request, response, "targetFolder", 1024);
    if (targetFolder == null)
        return;
    Part filePart = request.getPart("file");
    if (filePart == null) {
        response.sendError(400, "Field \"file\" is missing.");
        return;
    }
    String fileName = filePart.getName();
    if (fileName == null) {
        response.sendError(400, "Field \"file\" has no name.");
        return;
    }
    // Upload file to Dropbox
    String fullTargetPath = targetFolder + "/" + fileName;
    FileMetadata metadata;
    try {
        metadata = dbxClient.files().upload(fullTargetPath).uploadAndFinish(filePart.getInputStream());
    } catch (DbxException ex) {
        common.handleDbxException(response, user, ex, "upload(" + jq(fullTargetPath) + ", ...)");
        return;
    } catch (IOException ex) {
        response.sendError(400, "Error getting file data from you.");
        return;
    }
    // Display uploaded file metadata.
    response.setContentType("text/html");
    response.setCharacterEncoding("utf-8");
    PrintWriter out = new PrintWriter(new OutputStreamWriter(response.getOutputStream(), "UTF-8"));
    out.println("<html>");
    out.println("<head><title>File uploaded: " + escapeHtml4(metadata.getPathLower()) + "</title></head>");
    out.println("<body>");
    out.println("<h2>File uploaded: " + escapeHtml4(metadata.getPathLower()) + "</h2>");
    out.println("<pre>");
    out.print(escapeHtml4(metadata.toStringMultiline()));
    out.println("</pre>");
    out.println("</body>");
    out.println("</html>");
    out.flush();
}

Example 10 with DbxException

use of com.dropbox.core.DbxException in project dropbox-sdk-java by dropbox.

the class Main method main.

public static void main(String[] args) throws DbxException, IOException {
    // Create Dropbox client
    DbxRequestConfig config = new DbxRequestConfig("dropbox/java-tutorial");
    DbxClientV2 client = new DbxClientV2(config, ACCESS_TOKEN);
    // Instantiate factory and set shared factory
    DbxRequestUtil.sharedCallbackFactory = new DbxExampleGlobalCallbackFactory();
    try {
        // Get files and folder metadata from Dropbox root directory
        client.files().listFolder("/does/not/exist/folder/");
    } catch (ListFolderErrorException ex) {
        System.err.println("STANDARD ROUTE ERROR HANDLER: " + ex.errorValue + "\n");
    } catch (DbxException ex) {
        System.err.println("STANDARD NETWORK ERROR HANDLER: " + ex + "\n");
    }
    try {
        // Get files and folder metadata from Dropbox root directory
        client.auth().tokenRevoke();
        client.files().listFolder("/does/not/exist");
    } catch (ListFolderErrorException ex) {
        System.err.println("STANDARD ROUTE ERROR HANDLER2: " + ex.errorValue + "\n");
    } catch (DbxException ex) {
        System.err.println("STANDARD NETWORK ERROR HANDLER2: " + ex + "\n");
    }
}