Retrofit2 + Rxjava +Cache 机制+EventBus，新增Token失效处理方案，mobile network 情况下缓存一分钟过期重新请求，wifi 情况下不使用缓存，none network 情况下直接读取缓存并离线缓存4周。
private final static Interceptor REWRITE_CACHE_CONTROL_INTERCEPTOR = new Interceptor() {
@Override
public Response intercept(Chain chain) throws IOException {
Request request = chain.request();
//获取网络状态
int netWorkState = NetUtils.getNetworkState(RxApplication.getInstance());
//无网络，请求强制使用缓存
if (netWorkState == NetUtils.NETWORN_NONE) {
request = request.newBuilder()
.cacheControl(CacheControl.FORCE_CACHE)
.build();
}
Response originalResponse = chain.proceed(request);
switch (netWorkState) {
case NetUtils.NETWORN_MOBILE://mobile network 情况下缓存一分钟
int maxAge = 60;
return originalResponse.newBuilder()
.removeHeader("Pragma")
.removeHeader("Cache-Control")
.header("Cache-Control", "public, max-age=" + maxAge)
.build();
case NetUtils.NETWORN_WIFI://wifi network 情况下不使用缓存
maxAge = 0;
return originalResponse.newBuilder()
.removeHeader("Pragma")
.removeHeader("Cache-Control")
.header("Cache-Control", "public, max-age=" + maxAge)
.build();
case NetUtils.NETWORN_NONE://none network 情况下离线缓存4周
int maxStale = 60 * 60 * 24 * 4 * 7;
return originalResponse.newBuilder()
.removeHeader("Pragma")
.removeHeader("Cache-Control")
.header("Cache-Control", "public, only-if-cached, max-stale=" + maxStale)
.build();
default:
throw new IllegalStateException("network state is Erro!");
}
}
};
public class TokenAuthenticator implements Authenticator {
@Override
public Request authenticate(Route route, Response response) throws IOException {
//取出本地的refreshToken
String refreshToken = PreferenceUtils.getPrefString(RxApplication.getInstance(),"refreshToken","");
RefreshRequest refreshRequest = new RefreshRequest(refreshToken);
// 通过一个特定的接口获取新的token，此处要用到同步的retrofit请求
ServiceApi service = ServiceFactory.createRetrofit2(ServiceApi.class);
Call<Token> call = service.refresh(refreshRequest);
//要用retrofit的同步方式
Token token = call.execute().body();
PreferenceUtils.setPrefString(RxApplication.getInstance(),"refreshToken",token.getRefresh_token());
return response.request().newBuilder()
.header("X-ZUMO-AUTH", token.getAccess_token())
.build();
}
}
###Unsupported major.minor version 52.0 问题解决方案 http://stackoverflow.com/questions/36008207/how-to-run-android-code-in-eclipse
To fix this, i have to go in my project.properties file， And in this file add this line : sdk.buildtools=23.0.2
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