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

Example 11 with DbxException

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

the class Main method uploadFile.

/**
 * Uploads a file in a single request. This approach is preferred for small files since it
 * eliminates unnecessary round-trips to the servers.
 *
 * @param dbxClient Dropbox user authenticated client
 * @param localFIle local file to upload
 * @param dropboxPath Where to upload the file to within Dropbox
 */
private static void uploadFile(DbxClientV2 dbxClient, File localFile, String dropboxPath) {
    try (InputStream in = new FileInputStream(localFile)) {
        ProgressListener progressListener = l -> printProgress(l, localFile.length());
        FileMetadata metadata = dbxClient.files().uploadBuilder(dropboxPath).withMode(WriteMode.ADD).withClientModified(new Date(localFile.lastModified())).uploadAndFinish(in, progressListener);
        System.out.println(metadata.toStringMultiline());
    } catch (UploadErrorException ex) {
        System.err.println("Error uploading to Dropbox: " + ex.getMessage());
        System.exit(1);
    } catch (DbxException ex) {
        System.err.println("Error uploading to Dropbox: " + ex.getMessage());
        System.exit(1);
    } catch (IOException ex) {
        System.err.println("Error reading from file \"" + localFile + "\": " + ex.getMessage());
        System.exit(1);
    }
}

Example 12 with DbxException

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

the class Main method chunkedUploadFile.

/**
 * Uploads a file in chunks using multiple requests. This approach is preferred for larger files
 * since it allows for more efficient processing of the file contents on the server side and
 * also allows partial uploads to be retried (e.g. network connection problem will not cause you
 * to re-upload all the bytes).
 *
 * @param dbxClient Dropbox user authenticated client
 * @param localFIle local file to upload
 * @param dropboxPath Where to upload the file to within Dropbox
 */
private static void chunkedUploadFile(DbxClientV2 dbxClient, File localFile, String dropboxPath) {
    long size = localFile.length();
    // below to simplify the logic.
    if (size < CHUNKED_UPLOAD_CHUNK_SIZE) {
        System.err.println("File too small, use upload() instead.");
        System.exit(1);
        return;
    }
    long uploaded = 0L;
    DbxException thrown = null;
    ProgressListener progressListener = new ProgressListener() {

        long uploadedBytes = 0;

        @Override
        public void onProgress(long l) {
            printProgress(l + uploadedBytes, size);
            if (l == CHUNKED_UPLOAD_CHUNK_SIZE)
                uploadedBytes += CHUNKED_UPLOAD_CHUNK_SIZE;
        }
    };
    // Chunked uploads have 3 phases, each of which can accept uploaded bytes:
    // 
    // (1)  Start: initiate the upload and get an upload session ID
    // (2) Append: upload chunks of the file to append to our session
    // (3) Finish: commit the upload and close the session
    // 
    // We track how many bytes we uploaded to determine which phase we should be in.
    String sessionId = null;
    for (int i = 0; i < CHUNKED_UPLOAD_MAX_ATTEMPTS; ++i) {
        if (i > 0) {
            System.out.printf("Retrying chunked upload (%d / %d attempts)\n", i + 1, CHUNKED_UPLOAD_MAX_ATTEMPTS);
        }
        try (InputStream in = new FileInputStream(localFile)) {
            // if this is a retry, make sure seek to the correct offset
            in.skip(uploaded);
            // (1) Start
            if (sessionId == null) {
                sessionId = dbxClient.files().uploadSessionStart().uploadAndFinish(in, CHUNKED_UPLOAD_CHUNK_SIZE, progressListener).getSessionId();
                uploaded += CHUNKED_UPLOAD_CHUNK_SIZE;
                printProgress(uploaded, size);
            }
            UploadSessionCursor cursor = new UploadSessionCursor(sessionId, uploaded);
            // (2) Append
            while ((size - uploaded) > CHUNKED_UPLOAD_CHUNK_SIZE) {
                dbxClient.files().uploadSessionAppendV2(cursor).uploadAndFinish(in, CHUNKED_UPLOAD_CHUNK_SIZE, progressListener);
                uploaded += CHUNKED_UPLOAD_CHUNK_SIZE;
                printProgress(uploaded, size);
                cursor = new UploadSessionCursor(sessionId, uploaded);
            }
            // (3) Finish
            long remaining = size - uploaded;
            CommitInfo commitInfo = CommitInfo.newBuilder(dropboxPath).withMode(WriteMode.ADD).withClientModified(new Date(localFile.lastModified())).build();
            FileMetadata metadata = dbxClient.files().uploadSessionFinish(cursor, commitInfo).uploadAndFinish(in, remaining, progressListener);
            System.out.println(metadata.toStringMultiline());
            return;
        } catch (RetryException ex) {
            thrown = ex;
            // RetryExceptions are never automatically retried by the client for uploads. Must
            // catch this exception even if DbxRequestConfig.getMaxRetries() > 0.
            sleepQuietly(ex.getBackoffMillis());
            continue;
        } catch (NetworkIOException ex) {
            thrown = ex;
            // network issue with Dropbox (maybe a timeout?) try again
            continue;
        } catch (UploadSessionLookupErrorException ex) {
            if (ex.errorValue.isIncorrectOffset()) {
                thrown = ex;
                // server offset into the stream doesn't match our offset (uploaded). Seek to
                // the expected offset according to the server and try again.
                uploaded = ex.errorValue.getIncorrectOffsetValue().getCorrectOffset();
                continue;
            } else {
                // Some other error occurred, give up.
                System.err.println("Error uploading to Dropbox: " + ex.getMessage());
                System.exit(1);
                return;
            }
        } catch (UploadSessionFinishErrorException ex) {
            if (ex.errorValue.isLookupFailed() && ex.errorValue.getLookupFailedValue().isIncorrectOffset()) {
                thrown = ex;
                // server offset into the stream doesn't match our offset (uploaded). Seek to
                // the expected offset according to the server and try again.
                uploaded = ex.errorValue.getLookupFailedValue().getIncorrectOffsetValue().getCorrectOffset();
                continue;
            } else {
                // some other error occurred, give up.
                System.err.println("Error uploading to Dropbox: " + ex.getMessage());
                System.exit(1);
                return;
            }
        } catch (DbxException ex) {
            System.err.println("Error uploading to Dropbox: " + ex.getMessage());
            System.exit(1);
            return;
        } catch (IOException ex) {
            System.err.println("Error reading from file \"" + localFile + "\": " + ex.getMessage());
            System.exit(1);
            return;
        }
    }
    // if we made it here, then we must have run out of attempts
    System.err.println("Maxed out upload attempts to Dropbox. Most recent error: " + thrown.getMessage());
    System.exit(1);
}

Example 13 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.WARNING);
    if (args.length != 2) {
        System.out.println("Usage: COMMAND <app-info-file> <auth-file-output>");
        System.out.println("");
        System.out.println("<app-info-file>: a JSON file with information about your API app.  Example:");
        System.out.println("");
        System.out.println("  {");
        System.out.println("    \"key\": \"Your Dropbox API app key...\",");
        System.out.println("    \"secret\": \"Your Dropbox API app secret...\"");
        System.out.println("  }");
        System.out.println("");
        System.out.println("  Get an API app key by registering with Dropbox:");
        System.out.println("    https://dropbox.com/developers/apps");
        System.out.println("");
        System.out.println("<auth-file-output>: If authorization is successful, the resulting API");
        System.out.println("  access token will be saved to this file, which can then be used with");
        System.out.println("  other example programs, such as the one in \"examples/account-info\".");
        System.out.println("");
        System.exit(1);
        return;
    }
    String argAppInfoFile = args[0];
    String argAuthFileOutput = args[1];
    // Read app info file (contains app key and app secret)
    DbxAppInfo appInfo;
    try {
        appInfo = DbxAppInfo.Reader.readFromFile(argAppInfoFile);
    } catch (JsonReader.FileLoadException ex) {
        System.err.println("Error reading <app-info-file>: " + ex.getMessage());
        System.exit(1);
        return;
    }
    // Run through Dropbox API authorization process
    DbxRequestConfig requestConfig = new DbxRequestConfig("examples-authorize");
    DbxWebAuth webAuth = new DbxWebAuth(requestConfig, appInfo);
    DbxWebAuth.Request webAuthRequest = DbxWebAuth.newRequestBuilder().withNoRedirect().build();
    String authorizeUrl = webAuth.authorize(webAuthRequest);
    System.out.println("1. Go to " + authorizeUrl);
    System.out.println("2. Click \"Allow\" (you might have to log in first).");
    System.out.println("3. Copy the authorization code.");
    System.out.print("Enter the authorization code here: ");
    String code = new BufferedReader(new InputStreamReader(System.in)).readLine();
    if (code == null) {
        System.exit(1);
        return;
    }
    code = code.trim();
    DbxAuthFinish authFinish;
    try {
        authFinish = webAuth.finishFromCode(code);
    } catch (DbxException ex) {
        System.err.println("Error in DbxWebAuth.authorize: " + ex.getMessage());
        System.exit(1);
        return;
    }
    System.out.println("Authorization complete.");
    System.out.println("- User ID: " + authFinish.getUserId());
    System.out.println("- Account ID: " + authFinish.getAccountId());
    System.out.println("- Access Token: " + authFinish.getAccessToken());
    // Save auth information to output file.
    DbxAuthInfo authInfo = new DbxAuthInfo(authFinish.getAccessToken(), appInfo.getHost());
    File output = new File(argAuthFileOutput);
    try {
        DbxAuthInfo.Writer.writeToFile(authInfo, output);
        System.out.println("Saved authorization information to \"" + output.getCanonicalPath() + "\".");
    } catch (IOException ex) {
        System.err.println("Error saving to <auth-file-out>: " + ex.getMessage());
        System.err.println("Dumping to stderr instead:");
        DbxAuthInfo.Writer.writeToStream(authInfo, System.err);
        System.exit(1);
        return;
    }
}

Example 14 with DbxException

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

the class PkceAuthorize method authorize.

public DbxAuthFinish authorize(DbxAppInfo appInfo) throws IOException {
    // Run through Dropbox API authorization process without client secret
    DbxRequestConfig requestConfig = new DbxRequestConfig("examples-authorize");
    DbxAppInfo appInfoWithoutSecret = new DbxAppInfo(appInfo.getKey());
    DbxPKCEWebAuth pkceWebAuth = new DbxPKCEWebAuth(requestConfig, appInfoWithoutSecret);
    DbxWebAuth.Request webAuthRequest = DbxWebAuth.newRequestBuilder().withNoRedirect().withTokenAccessType(TokenAccessType.OFFLINE).build();
    String authorizeUrl = pkceWebAuth.authorize(webAuthRequest);
    System.out.println("1. Go to " + authorizeUrl);
    System.out.println("2. Click \"Allow\" (you might have to log in first).");
    System.out.println("3. Copy the authorization code.");
    System.out.print("Enter the authorization code here: ");
    String code = new BufferedReader(new InputStreamReader(System.in)).readLine();
    if (code == null) {
        System.exit(1);
    }
    code = code.trim();
    try {
        // exchange.
        return pkceWebAuth.finishFromCode(code);
    } catch (DbxException ex) {
        System.err.println("Error in DbxWebAuth.authorize: " + ex.getMessage());
        System.exit(1);
        return null;
    }
}

Example 15 with DbxException

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

the class ShortLiveTokenAuthorize method authorize.

public DbxAuthFinish authorize(DbxAppInfo appInfo) throws IOException {
    // Run through Dropbox API authorization process
    DbxRequestConfig requestConfig = new DbxRequestConfig("examples-authorize");
    DbxWebAuth webAuth = new DbxWebAuth(requestConfig, appInfo);
    // TokenAccessType.OFFLINE means refresh_token + access_token. ONLINE means access_token only.
    DbxWebAuth.Request webAuthRequest = DbxWebAuth.newRequestBuilder().withNoRedirect().withTokenAccessType(TokenAccessType.OFFLINE).build();
    String authorizeUrl = webAuth.authorize(webAuthRequest);
    System.out.println("1. Go to " + authorizeUrl);
    System.out.println("2. Click \"Allow\" (you might have to log in first).");
    System.out.println("3. Copy the authorization code.");
    System.out.print("Enter the authorization code here: ");
    String code = new BufferedReader(new InputStreamReader(System.in)).readLine();
    if (code == null) {
        System.exit(1);
    }
    code = code.trim();
    try {
        return webAuth.finishFromCode(code);
    } catch (DbxException ex) {
        System.err.println("Error in DbxWebAuth.authorize: " + ex.getMessage());
        System.exit(1);
        return null;
    }
}