Retrofit

A type-safe REST client for Android and Java

官网 ：http://square.github.io/retrofit/

参考项目： http://square.github.io/okhttp/

Android 示例项目： https://github.com/goodev/RetrofitDemo

http://instructure.github.io/blog/2013/12/09/volley-vs-retrofit/

提取一张图片

//API
public interface ApiService {
    @GET("/jobs")
    public void getJobs(Callback<Data> callback);
}

//RestClient
public class RestClient {

    private static final String BASE_URL = "https://yourapi.host.com";
    private ApiService apiService;

    public RestClient() {
        Gson gson = new GsonBuilder()
                .registerTypeAdapterFactory(new ItemTypeAdapterFactory())
                .setDateFormat("yyyy‘-‘MM‘-‘dd‘T‘HH‘:‘mm‘:‘ss‘.‘SSS‘Z‘")
                .create();

        RestAdapter restAdapter = new RestAdapter.Builder()
                .setLogLevel(RestAdapter.LogLevel.FULL)
                .setEndpoint(BASE_URL)
                .setConverter(new GsonConverter(gson))
                .setRequestInterceptor(new SessionRequestInterceptor())
                .setClient(new OkClient(MySSLTrust.getUnsafeOkHttpClient()))
                .build();

        apiService = restAdapter.create(ApiService.class);
    }

    public ApiService getApiService() {
        return apiService;
    }
}

//MySSLTrust 的SSL信任
public class MySSLTrust {
    public static OkHttpClient getUnsafeOkHttpClient() {
        try {
            // Create a trust manager that does not validate certificate chains
            final TrustManager[] trustAllCerts = new TrustManager[] {
                    new X509TrustManager() {
                        @Override
                        public void checkClientTrusted(java.security.cert.X509Certificate[] chain, String authType) throws CertificateException {
                        }

                        @Override
                        public void checkServerTrusted(java.security.cert.X509Certificate[] chain, String authType) throws CertificateException {
                        }

                        @Override
                        public java.security.cert.X509Certificate[] getAcceptedIssuers() {
                            return null;
                        }
                    }
            };

            // Install the all-trusting trust manager
            final SSLContext sslContext = SSLContext.getInstance("SSL");
            sslContext.init(null, trustAllCerts, new java.security.SecureRandom());
            // Create an ssl socket factory with our all-trusting manager
            final SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();

            OkHttpClient okHttpClient = new OkHttpClient();
            okHttpClient.setSslSocketFactory(sslSocketFactory);
            okHttpClient.setHostnameVerifier(new HostnameVerifier() {
                @Override
                public boolean verify(String hostname, SSLSession session) {
                    return true;
                }
            });

            return okHttpClient;
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}

/**
 * add Headers fro every request
 * Created by Hanks on 2015/5/18.
 */
public class SessionRequestInterceptor implements RequestInterceptor {
    @Override
    public void intercept(RequestFacade request) {
        /*request.addHeader("Accept", "application/json;versions=1");
        if(isUserLoggedIn()){
            request.addHeader("Authorization",getToken());
        }*/
            request.addHeader("Authorization","huhu=")；
    }
}