其实内部是封装了Okhttp和Gson解析
public class CourseFragmentAPI {
public static void get(String userId, BaseCallBack<CourseFragmentResponseEntity> callBack){
CourseFragmentService service = BaseRetrofit.getInstance().create(CourseFragmentService.class);
Call<CourseFragmentResponseEntity> call = service.getData(userId);
call.enqueue(callBack);
}
}
public interface CourseFragmentService {
@GET("courses/my_order_list")
Call<CourseFragmentResponseEntity> getData(@Query("userId") String userId);
}
public class BaseRetrofit {
private Retrofit retrofit;
private static BaseRetrofit instance;
private BaseRetrofit() {
retrofit = new Retrofit.Builder().client(BaseOkHttpClient.getInstance()).baseUrl(Config.SERVER_URL).addConverterFactory(GsonConverterFactory.create()).build();
}
public static BaseRetrofit getInstance() {
if (instance == null) {
synchronized (BaseRetrofit.class) {
if (instance == null) {
instance = new BaseRetrofit();
}
}
}
return instance;
}
public <T> T create(Class<T> service) {
return retrofit.create(service);
}
}
public class BaseOkHttpClient {
public static OkHttpClient getInstance() {
OkHttpClient.Builder httpClientBuilder = new OkHttpClient.Builder();
httpClientBuilder.addInterceptor(new Interceptor() {
@Override
public Response intercept(Chain chain) throws IOException {
Request originalRequest = chain.request();
HttpUrl originalHttpUrl = originalRequest.url();
HttpUrl.Builder builder = originalHttpUrl.newBuilder();
EncodeParas(originalHttpUrl, builder);
addCommonParas(builder);
HttpUrl url = builder.build();
Request.Builder requestBuilder = originalRequest.newBuilder()
.url(url)
.method(originalRequest.method(), originalRequest.body());
Request request = requestBuilder.build();
LogHelp.d("lyg", "request: " + request.method() + " " + request.url());
Response response = chain.proceed(request);
MediaType contentType = null;
String bodyString = null;
if (response.body() != null) {
contentType = response.body().contentType();
bodyString = response.body().string();
}
LogHelp.d("lyg", "response: " + response.code() + "\n" + bodyString);
if (response.body() != null) {// 深坑！打印body后原ResponseBody会被清空，需要重新设置body
ResponseBody body = ResponseBody.create(contentType, bodyString);
return response.newBuilder().body(body).build();
} else {
return response;
}
}
});
return httpClientBuilder.build();
}
/**
* 加密请求参数。debug模式不加密
*
* @param originalHttpUrl
*/
private static void EncodeParas(HttpUrl originalHttpUrl, HttpUrl.Builder builder) {
if (Config.isEncode) {
String paras = generateXXTEAEncodedParas(getOriginURLEncodedParas(originalHttpUrl), generateUserSignature());
String sign = generateAPPSignature(paras);
clearAllParas(originalHttpUrl, builder);
if (!TextUtils.isEmpty(paras)) {
builder.addQueryParameter("paras", paras);
}
if (!TextUtils.isEmpty(sign)) {
builder.addQueryParameter("sign", sign);
}
}
}
private static void addCommonParas(HttpUrl.Builder builder) {
builder.addQueryParameter("appId", Constant.APPId)
.addQueryParameter("ct", Constant.ClientType)
.addQueryParameter("v", Constant.APIVersion)
.addQueryParameter("ch", App.getAppChannel())
.addQueryParameter("cv", App.getAppVsersion());
LoginResponseEntity.Data data = UserData.getUser();
if (!Config.isEncode && null != data && !TextUtils.isEmpty(data.getXuehuToken()) && data.getUserId() > 0) {
builder.addQueryParameter("xuehuToken", data.getXuehuToken())
.addQueryParameter("userId", "" + data.getUserId());
}
}
private static void clearAllParas(HttpUrl originalHttpUrl, HttpUrl.Builder builder) {
Set<String> queryParameterNames = originalHttpUrl.queryParameterNames();
for (String name : queryParameterNames) {
builder.removeAllQueryParameters(name);
}
}
private static String getOriginURLEncodedParas(HttpUrl originalHttpUrl) {
StringBuilder builder = new StringBuilder();
Set<String> queryParameterNames = originalHttpUrl.queryParameterNames();
for (String name : queryParameterNames) {
if (!TextUtils.isEmpty(builder.toString())) {
builder.append("&");
}
builder.append(name + "=" + originalHttpUrl.queryParameter(name));
}
return builder.toString();
}
private static String generateUserSignature() {
StringBuilder builder = new StringBuilder();
String userSignLowerCase = ""; //Hmac签名
String userSign = ""; //Hmac签名转大写，截取前32位
String timeStamp = String.valueOf(System.currentTimeMillis());
LoginResponseEntity.Data data = UserData.getUser();
if (null != data && !TextUtils.isEmpty(data.getXuehuToken()) && data.getUserId() > 0 && !TextUtils.isEmpty(data.getUserKey())) {
int stringAsciiSum = StringHelp.stringAsciiSum(data.getUserKey() + timeStamp);
String content = data.getXuehuToken() + timeStamp + Constant.APIVersion;
userSignLowerCase = Hmac.getSignature(content, data.getUserKey(), Constant.SignatureType[stringAsciiSum % 5]);
LogHelp.d("lyg", "type: " + stringAsciiSum % 5);
}
if (!TextUtils.isEmpty(userSignLowerCase)) {
if (userSignLowerCase.length() > 32) {
userSign = userSignLowerCase.substring(0, 32).toUpperCase();
} else {
userSign = userSignLowerCase.toUpperCase();
}
builder.append("xuehuToken=" + data.getXuehuToken());
builder.append("&userId=" + data.getUserId());
builder.append("×tamp=" + timeStamp);
builder.append("&userSign=" + userSign);
}
return builder.toString();
}
private static String generateXXTEAEncodedParas(String urlEncodedOriginParas, String userSignature) {
String content = "";
if (!TextUtils.isEmpty(urlEncodedOriginParas)) {
if (!TextUtils.isEmpty(userSignature)) {
content = urlEncodedOriginParas + "&" + userSignature;
} else {
content = urlEncodedOriginParas;
}
} else if (!TextUtils.isEmpty(userSignature)) {
content = userSignature;
}
if (!TextUtils.isEmpty(content)) {
return XXTEA.encode(content, Constant.APPSecret).replace("\n", "");
} else {
return content;
}
}
private static String generateAPPSignature(String xxteaEncodedOriginParas) {
//appId+clientType+format+version+paras
String signContent = Constant.APPId + Constant.ClientType + Constant.APIFormat + Constant.APIVersion + xxteaEncodedOriginParas;
String sign = Hmac.getSignature(signContent, Constant.SignSecret, Constant.SignatureType[1]);
if (!TextUtils.isEmpty(sign)) {
return sign.toUpperCase();
}
return "";
}
}