TestaOAuth2

TestaOAuth2.java

package br.com.caelum.livraria.rest;

import java.net.URI;

import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.MediaType;

import org.apache.oltu.oauth2.client.OAuthClient;
import org.apache.oltu.oauth2.client.URLConnectionClient;
import org.apache.oltu.oauth2.client.request.OAuthClientRequest;
import org.apache.oltu.oauth2.client.response.OAuthAccessTokenResponse;
import org.apache.oltu.oauth2.common.message.types.GrantType;

public class TestaOAuth2 {

	public static void main(String[] args) throws Exception {

		String tokenEndpoint = "http://fj36webservicerest-oauthserver.herokuapp.com/oauth/token";
		
		OAuthClientRequest request = OAuthClientRequest
									.tokenLocation(tokenEndpoint)
									.setGrantType(GrantType.PASSWORD)
									.setClientId("oauth2_client_id")
									.setClientSecret("oauth2_client_secret")
									.setUsername("fake_user")
									.setPassword("passwd")
									.buildBodyMessage();
		
		OAuthClient oAuthClient = new OAuthClient(new URLConnectionClient());
		OAuthAccessTokenResponse oauthResponse = oAuthClient.accessToken(request);
		
		System.out.println("Access token: " + oauthResponse.getAccessToken());
		System.out.println("Expira em: " + oauthResponse.getExpiresIn());
		
		//acessando o sistema de pagamento com o token obtido
		Client client = ClientBuilder.newClient();
		WebTarget target = client .target(new URI(
		          "http://fj36webservicerest-seguro.herokuapp.com/v1/pagamento/1"
		));
		
		String entity = target.request(MediaType.APPLICATION_XML_TYPE)
                .header("Authorization",
                        "Bearer " + oauthResponse.getAccessToken())
                        .get(String.class);
		System.out.println("Resposta: " + entity);

	}
}