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retrofit [2021/02/07 03:50] – removed ledyxretrofit [2021/02/07 05:49] (current) – old revision restored (2017/06/22 14:06) ledyx
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 += Retrofit =
  
 +http://square.github.io/retrofit/
 +
 +Retrofit2 + OkHttp3 + Jackson + RxAndroid2/RxJava2
 +
 +{{tag>Tips Restful web}}
 +
 +
 += Library =
 +
 +https://mvnrepository.com/artifact/com.squareup.okhttp3/okhttp
 +https://mvnrepository.com/artifact/com.squareup.okhttp3/okhttp-urlconnection
 +
 +
 +<sxh bash ; title:Gradle>
 +compile 'com.squareup.okhttp3:okhttp:3.8.0'
 +compile 'com.squareup.okhttp3:okhttp-urlconnection:3.8.0'
 +compile 'com.squareup.okhttp3:logging-interceptor:3.8.0'
 +
 +compile 'com.squareup.retrofit2:retrofit:2.3.0'
 +compile 'com.squareup.retrofit2:converter-jackson:2.3.0'
 +compile 'com.squareup.retrofit2:adapter-rxjava2:2.3.0'
 +
 +compile 'com.fasterxml.jackson.core:jackson-core:2.8.8'
 +compile 'com.fasterxml.jackson.core:jackson-databind:2.8.8.1'
 +compile 'com.fasterxml.jackson.core:jackson-annotations:2.8.8'
 +
 +//Android
 +compile 'io.reactivex.rxjava2:rxandroid:2.0.1'
 +//Java
 +compile 'io.reactivex.rxjava2:rxjava:2.1.0'
 +</sxh>
 +
 += Source =
 +
 +<sxh java ; title:Adapter>
 +public class RestfulAdapter {
 +
 +    public static final int CONNECT_TIMEOUT = 15;
 +    public static final int WRITE_TIMEOUT = 15;
 +    public static final int READ_TIMEOUT = 15;
 +
 +    private static volatile ConcurrentHashMap<String, Object> services = new ConcurrentHashMap<>();
 +
 +    public static synchronized <T> T getInstance(Class<T> restfulInterface) throws Exception {
 +        if(!restfulInterface.isInterface())
 +            throw new IllegalArgumentException("argument must be INTERFACE");
 +
 +        T service = (T) services.get(restfulInterface.getName());
 +
 +        if(service == null) {       
 +            if(!restfulInterface.isAnnotationPresent(URL.class))
 +        throw new Exception("Must be annotated URL");
 +       
 +            URL urlAnnotation = restfulInterface.getDeclaredAnnotation(URL.class);
 +       
 +            String url = urlAnnotation.value();
 +            if(url.length() <= 0 || !url.substring(0, 4).equals("http"))
 +        throw new Exception("Unavailable URL value");
 +       
 +            boolean isUnwrapRootValue = urlAnnotation.isUnwrappedRoot();
 +
 +            HttpLoggingInterceptor httpLoggingInterceptor = new HttpLoggingInterceptor();
 +            httpLoggingInterceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
 +
 +            CookieManager cookieManager = new CookieManager();
 +            cookieManager.setCookiePolicy(CookiePolicy.ACCEPT_ALL);
 +
 +            OkHttpClient client = configureClient() // 인증서 무시
 +                    .connectTimeout(CONNECT_TIMEOUT, TimeUnit.SECONDS)
 +                    .writeTimeout(WRITE_TIMEOUT, TimeUnit.SECONDS)
 +                    .readTimeout(READ_TIMEOUT, TimeUnit.SECONDS)
 +                    .cookieJar(new JavaNetCookieJar(cookieManager)) //쿠키 설정
 +                    .addInterceptor(httpLoggingInterceptor) //http 로그 확인
 +                    .build();
 +
 +            service = new Retrofit.Builder()
 +                    .baseUrl(url)
 +                    .client(client)
 +                    .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
 +                    .addConverterFactory(getConverterFactory(isUnwrapRootValue))
 +                    .build().create(restfulInterface);
 +
 +            services.put(restfulInterface.getName(), service);
 +        }
 +
 +        return service;
 +    }
 +
 +    private static JacksonConverterFactory getConverterFactory(boolean isUnwrapRootValue) {
 +    ObjectMapper objectMapper = new ObjectMapper();
 +        objectMapper.registerModule(new JodaModule());
 +        objectMapper.enable(MapperFeature.ACCEPT_CASE_INSENSITIVE_PROPERTIES);
 +        objectMapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
 +        if(isUnwrapRootValue)
 +        objectMapper.enable(DeserializationFeature.UNWRAP_ROOT_VALUE); // JsonRootName과 연계
 +        
 +        return JacksonConverterFactory.create(objectMapper);
 +    }
 +    
 +    /**
 +     * 인증서 무시
 +     * @return
 +     */
 +    private static OkHttpClient.Builder configureClient() throws Exception {
 +        TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
 +        trustManagerFactory.init((KeyStore) null);
 +        TrustManager[] trustManagers = trustManagerFactory.getTrustManagers();
 +
 +        if (trustManagers.length != 1 || !(trustManagers[0] instanceof X509TrustManager))
 +            throw new IllegalStateException("Unexpected default trust managers:" + Arrays.toString(trustManagers));
 +
 +        X509TrustManager trustManager = (X509TrustManager) trustManagers[0];
 +
 +        SSLContext sslContext = SSLContext.getInstance("SSL");
 +        sslContext.init(null, new TrustManager[] { trustManager }, new SecureRandom());
 +
 +        OkHttpClient.Builder builder = new OkHttpClient.Builder();
 +        builder.sslSocketFactory(sslContext.getSocketFactory(), trustManager).hostnameVerifier((hostname, session) -> true);
 +
 +        return builder;
 +    }
 +}
 +</sxh>
 +
 +<sxh java ; title:Service Interface>
 +@URL(value = "http://xxx.com", isUnwrappedRoot = true)
 +public interface DemoService {
 +    @GET("{page}")
 +    Observable<ContentsVO> read(@Path("page") long page);
 +
 +    @PUT("{no}")
 +    Observable<ResponseBody> modify(@Path("no") long no, @Body ServiceVO serviceVO);
 +
 +    @Multipart
 +    @POST(URL)
 +    Observable<ResponseBody> write(@PartMap Map<String, RequestBody> params);
 +
 +    @DELETE("{no}")
 +    Observable<ResponseBody> delete(@Path("no") long no);
 +}
 +</sxh>
 +
 +<sxh java ; title:Custom Annotation>
 +@Target(ElementType.TYPE)
 +@Retention(RetentionPolicy.RUNTIME)
 +public @interface URL {
 + String value() default "";
 + boolean isUnwrappedRoot() default false;
 +}
 +</sxh>
retrofit.1612669855.txt.gz · Last modified: 2021/02/07 03:50 by ledyx