Java Google Sheets API OAuth 2.0

Question

I'm having problems setting up my program to make calls to the Google Sheets API. Currently, I'm authorizing my credential this way:

public static Credential authorize() throws IOException, GeneralSecurityException {
    InputStream p12 = GoogleUtils.class.getResourceAsStream("/key.p12");

    File file = new File("hi");
    OutputStream outputStream = new FileOutputStream(file);
    IOUtils.copy(p12, outputStream);
    outputStream.close();

    // Build flow and trigger user authorization request.
   GoogleCredential credential = new GoogleCredential.Builder()
        .setTransport(HTTP_TRANSPORT)
        .setJsonFactory(JSON_FACTORY)
        .setServiceAccountId("8429209348-1nfuorcfko5pmqh2l0b1au968igchaoq@developer.gserviceaccount.com")
        .setServiceAccountScopes(SCOPES)
        .setServiceAccountPrivateKeyFromP12File(file)
        .build();
    return credential;
}

But, I don't know what to do with this credential now that I have it. In another class, I'm opening up a SpreadsheetService , but I can't find the method to actually authorize with the Credential object. I remember doing this in one of my older projects:

public GoogleDrive() {
    /** Our view of Google Spreadsheets as an authenticated Google user. */
    try {
        InputStream p12 = BotPanel.class.getResourceAsStream("/key.p12");

        File file = new File("hi");
        OutputStream outputStream = new FileOutputStream(file);
        IOUtils.copy(p12, outputStream);
        outputStream.close();

        String emailAddress = "81607255786-225dt8i2s8q6qgi0lgg814p27mumqro2@developer.gserviceaccount.com";
        HttpTransport httpTransport = new NetHttpTransport();
        JacksonFactory jsonFactory = new JacksonFactory();
        String[] SCOPESArray = { "https://spreadsheets.google.com/feeds", "https://spreadsheets.google.com/feeds/spreadsheets/private/full", "https://docs.google.com/feeds" };
        final List<String> SCOPES = Arrays.asList(SCOPESArray);
        GoogleCredential credential = new GoogleCredential.Builder()
                    .setTransport(httpTransport).setJsonFactory(jsonFactory)
                    .setServiceAccountId(emailAddress).setServiceAccountScopes(SCOPES)
                    .setServiceAccountPrivateKeyFromP12File(file)
                    .build();

        file.delete();
        service = new SpreadsheetService("Test");
        service.setOAuth2Credentials(credential);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

As you can see I get the Credential the same way, and at the end I'm able to just call service.setOAuth2Credentials(credential); But in my newer project, this is what I'm getting:

As you can see there isn't a method called .setOAuth2Credential(...) anymore.

Digging into the src code, I found the method in the GoogleService class, only it had the annotation @Beta.

@Beta
  public void setOAuth2Credentials(Credential credential) {
    GoogleAuthTokenFactory googleAuthTokenFactory = getGoogleAuthTokenFactory();
    googleAuthTokenFactory.setOAuth2Credentials(credential);
    requestFactory.setAuthToken(authTokenFactory.getAuthToken());
  }

Is there a reason why this code is annotated with @Beta? Is there some other way I'm supposed to authorize calls to the sheets api? Or is there some way to still authorize with this method? (that would be ideal).

Answer 1

The answer was simple. I had the wrong dependencies the whole time. Make sure that you have gdata-client version 1.47. Here's a link to the jar file http://mvnrepository.com/artifact/com.google.gdata/core/1.47.1 . Once I used that as a library all my problems went away :)