Trello OAuth 1.0a Example using Scribe Java

In this example we are going to see about how to use Trello OAuth 1.0a using Scribe Java

Trello OAuth 1.0a Example using Scribe

TrelloExample.java

import java.util.Scanner;
import com.github.scribejava.core.builder.ServiceBuilder;
import com.github.scribejava.apis.TrelloApi;
import com.github.scribejava.core.model.OAuth1AccessToken;
import com.github.scribejava.core.model.OAuth1RequestToken;
import com.github.scribejava.core.model.OAuthRequest;
import com.github.scribejava.core.model.Response;
import com.github.scribejava.core.model.Verb;
import com.github.scribejava.core.oauth.OAuth10aService;
import java.io.IOException;

public abstract class TrelloExample {

    private static final String API_KEY = "your_api_key";
    private static final String API_SECRET = "your_api_secret";
    private static final String PROTECTED_RESOURCE_URL = "http://ift.tt/29z9tMc";

    public static void main(String... args) throws IOException {
        final OAuth10aService service = new ServiceBuilder()
                .apiKey(API_KEY)
                .apiSecret(API_SECRET)
                .build(TrelloApi.instance());
        final Scanner in = new Scanner(System.in);

        System.out.println("=== Trello's OAuth Workflow ===");
        System.out.println();

        // Obtain the Request Token
        System.out.println("Fetching the Request Token...");
        final OAuth1RequestToken requestToken = service.getRequestToken();
        System.out.println("Got the Request Token!");
        System.out.println();

        System.out.println("Now go and authorize ScribeJava here:");
        System.out.println(service.getAuthorizationUrl(requestToken));
        System.out.println("And paste the verifier here");
        System.out.print(">>");
        final String oauthVerifier = in.nextLine();
        System.out.println();

        // Trade the Request Token and Verfier for the Access Token
        System.out.println("Trading the Request Token for an Access Token...");
        final OAuth1AccessToken accessToken = service.getAccessToken(requestToken, oauthVerifier);
        System.out.println("Got the Access Token!");
        System.out.println("(if your curious it looks like this: " + accessToken
                + ", 'rawResponse'='" + accessToken.getRawResponse() + "')");
        System.out.println();

        // Now let's go and ask for a protected resource!
        System.out.println("Now we're going to access a protected resource...");
        final OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL, service);
        service.signRequest(accessToken, request);
        final Response response = request.send();
        System.out.println("Got it! Lets see what we found...");
        System.out.println();
        System.out.println(response.getBody());

        System.out.println();
        System.out.println("Thats it man! Go and build something awesome with ScribeJava! :)");
    }

}