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StackExchangeExample.java
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StackExchangeExample.java
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package com.github.scribejava.apis.examples;
import java.util.Random;
import java.util.Scanner;
import com.github.scribejava.apis.StackExchangeApi;
import com.github.scribejava.core.builder.ServiceBuilder;
import com.github.scribejava.core.model.OAuth2AccessToken;
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.OAuth20Service;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
public class StackExchangeExample {
private static final String NETWORK_NAME = "Stack Exchange";
private static final String PROTECTED_RESOURCE_URL = "https://api.stackexchange.com/2.2/me";
private StackExchangeExample() {
}
@SuppressWarnings("PMD.SystemPrintln")
public static void main(String... args) throws IOException, InterruptedException, ExecutionException {
// Replace these with your client id, secret, application key and
// optionally site name
final String clientId = "your client id";
final String clientSecret = "your client secret";
final String key = "your client key";
// Enter one of Stack Exchange site names the user has account with.
final String site = "stackoverflow";
final String secretState = "secret" + new Random().nextInt(999_999);
final OAuth20Service service = new ServiceBuilder(clientId)
.apiSecret(clientSecret)
.callback("http://www.example.com/oauth_callback/")
.build(StackExchangeApi.instance());
final Scanner in = new Scanner(System.in, "UTF-8");
System.out.println("=== " + NETWORK_NAME + "'s OAuth Workflow ===");
System.out.println();
// Obtain the Authorization URL
System.out.println("Fetching the Authorization URL...");
final String authorizationUrl = service.getAuthorizationUrl(secretState);
System.out.println("Got the Authorization URL!");
System.out.println("Now go and authorize ScribeJava here:");
System.out.println(authorizationUrl);
System.out.println("And paste the authorization code here");
System.out.print(">>");
final String code = in.nextLine();
System.out.println();
System.out.println("And paste the state from server here. We have set 'secretState'='" + secretState + "'.");
System.out.print(">>");
final String value = in.nextLine();
if (secretState.equals(value)) {
System.out.println("State value does match!");
} else {
System.out.println("Ooops, state value does not match!");
System.out.println("Expected = " + secretState);
System.out.println("Got = " + value);
System.out.println();
}
System.out.println("Trading the Authorization Code for an Access Token...");
final OAuth2AccessToken accessToken = service.getAccessToken(code);
System.out.println("Got the Access Token!");
System.out.println("(The raw response looks like this: " + 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 + "?site=" + site + "&key=" + key);
service.signRequest(accessToken, request);
try (Response response = service.execute(request)) {
System.out.println("Got it! Lets see what we found...");
System.out.println();
System.out.println(response.getCode());
System.out.println(response.getBody());
}
System.out.println();
System.out.println("Thats it man! Go and build something awesome with ScribeJava! :)");
}
}