How to use

cacheControl

method

in

okhttp3.Request$Builder

private @Nullable Response getCacheOnlyResponse(Request request) {
 if (!post && client.cache() != null) {
  try {
   Request cacheRequest = request.newBuilder().cacheControl(CacheControl.FORCE_CACHE).build();
   Response cacheResponse = client.newCall(cacheRequest).execute();
   if (cacheResponse.code() != 504) {
    return cacheResponse;
   }
  } catch (IOException ioe) {
   // Failures are ignored as we can fallback to the network
   // and hopefully repopulate the cache.
  }
 }
 return null;
}

  @Override
  public Response intercept(Chain chain) throws IOException {
    Request request = chain.request();
    boolean forceCache = CACHE_ENABLED_HOSTS.containsKey(request.url().host()) &&
        !AppUtils.hasConnection(mContext);
    return chain.proceed(forceCache ?
        request.newBuilder()
            .cacheControl(CacheControl.FORCE_CACHE)
            .build() :
        request);
  }
}

builder.cacheControl(cacheControl);

  @Override
  public Response intercept(Chain chain) throws IOException {
    Request request = chain.request();
    if (!NetUtil.isNetworkAvailable()) {
      request = request.newBuilder()
          .cacheControl(CacheControl.FORCE_CACHE)
          .build();
      KLog.d("no network");
    }
    Response originalResponse = chain.proceed(request);
    if (NetUtil.isNetworkAvailable()) {
      //有网的时候读接口上的@Headers里的配置，你可以在这里进行统一的设置
      String cacheControl = request.cacheControl().toString();
      return originalResponse.newBuilder()
          .header("Cache-Control", cacheControl)
          .removeHeader("Pragma")
          .build();
    } else {
      return originalResponse.newBuilder()
          .header("Cache-Control", "public, only-if-cached, max-stale=" + CACHE_STALE_SEC)
          .removeHeader("Pragma")
          .build();
    }
  }
};

  @Override public void onRequest(@NonNull String url, @NonNull Callback cb, long requestHandle)
  {
    HttpUrl httpUrl = HttpUrl.parse(url + "?api_key=" + apiKey);
    if (httpUrl == null) {
      cb.onFailure(null, new IOException("HttpUrl failed to parse url=" + url));
    }
    else {
      Request.Builder builder = new Request.Builder()
        .url(httpUrl)
        .tag(requestHandle)
        .header("User-Agent", ApplicationConstants.USER_AGENT + " / " + Version.userAgent());

      CacheControl cacheControl = cachePolicy.apply(httpUrl);
      if (cacheControl != null) {
        builder.cacheControl(cacheControl);
      }
      Request request = builder.build();
      okClient.newCall(request).enqueue(cb);
    }
  }
}

requestBuilder.addHeader("Range", String.format(Locale.ENGLISH, "bytes=%d-", mFileInfo.getLoadBytes()));
requestBuilder.cacheControl(CacheControl.FORCE_NETWORK);

builder.cacheControl(request.getCacheControl());

builder = builder.post(new RequestProgressBody(requestBody, request.getUploadProgressListener()));
if (request.getCacheControl() != null) {
  builder.cacheControl(request.getCacheControl());

builder = builder.post(new RequestProgressBody(requestBody, request.getUploadProgressListener()));
if (request.getCacheControl() != null) {
  builder.cacheControl(request.getCacheControl());

builder = builder.get();
if (request.getCacheControl() != null) {
  builder.cacheControl(request.getCacheControl());

builder.cacheControl(request.getCacheControl());

builder.cacheControl(request.getCacheControl());

builder = builder.post(new RequestProgressBody(requestBody, request.getUploadProgressListener()));
if (request.getCacheControl() != null) {
  builder.cacheControl(request.getCacheControl());

builder = builder.get();
if (request.getCacheControl() != null) {
  builder.cacheControl(request.getCacheControl());

builder = builder.get();
if (request.getCacheControl() != null) {
  builder.cacheControl(request.getCacheControl());

  @Override
  public Response intercept(Chain chain) throws IOException {
    Request request = chain.request();
    String cacheControl = request.cacheControl().toString();
    if (!NetWorkUtils.isNetConnected(BaseApplication.getAppContext())) {
      request = request.newBuilder()
          .cacheControl(TextUtils.isEmpty(cacheControl)?CacheControl.FORCE_NETWORK:CacheControl.FORCE_CACHE)
          .build();
    }
    Response originalResponse = chain.proceed(request);
    if (NetWorkUtils.isNetConnected(BaseApplication.getAppContext())) {
      //有网的时候读接口上的@Headers里的配置，你可以在这里进行统一的设置
      return originalResponse.newBuilder()
          .header("Cache-Control", cacheControl)
          .removeHeader("Pragma")
          .build();
    } else {
      return originalResponse.newBuilder()
          .header("Cache-Control", "public, only-if-cached, max-stale=" + CACHE_STALE_SEC)
          .removeHeader("Pragma")
          .build();
    }
  }
};

  @Override
  public Response intercept(Chain chain) throws IOException {
    // 有网络时 设置缓存超时时间1个小时
    int maxAge = 60 * 60;
    // 无网络时，设置超时为1天
    int maxStale = 60 * 60 * 24;
    Request request = chain.request();
    if (CommonUtil.isNetworkAvailable(BilibiliApp.getInstance())) {
      //有网络时只从网络获取
      request = request.newBuilder().cacheControl(CacheControl.FORCE_NETWORK).build();
    } else {
      //无网络时只从缓存中读取
      request = request.newBuilder().cacheControl(CacheControl.FORCE_CACHE).build();
    }
    Response response = chain.proceed(request);
    if (CommonUtil.isNetworkAvailable(BilibiliApp.getInstance())) {
      response = response.newBuilder()
          .removeHeader("Pragma")
          .header("Cache-Control", "public, max-age=" + maxAge)
          .build();
    } else {
      response = response.newBuilder()
          .removeHeader("Pragma")
          .header("Cache-Control", "public, only-if-cached, max-stale=" + maxStale)
          .build();
    }
    return response;
  }
}

  @Override
  public Response intercept(Chain chain) throws IOException {
    Request request = chain.request();
    if (!NetWorkUtil.isNetConnected(App.getAppContext())) {
      request = request.newBuilder()
          .cacheControl(CacheControl.FORCE_CACHE)
          .build();
      Log.d("Okhttp", "no network");
    }
    Response originalResponse = chain.proceed(request);
    if (NetWorkUtil.isNetConnected(App.getAppContext())) {
      //有网的时候读接口上的@Headers里的配置，你可以在这里进行统一的设置
      String cacheControl = request.cacheControl().toString();
      return originalResponse.newBuilder()
          .header("Cache-Control", cacheControl)
          .removeHeader("Pragma")
          .build();
    } else {
      return originalResponse.newBuilder()
          .header("Cache-Control", "public, only-if-cached, max-stale=2419200")
          .removeHeader("Pragma")
          .build();
    }
  }
}

  @Override
  public Response intercept(Chain chain) throws IOException {
    Request request = chain.request();
    if (!NetUtil.isNetworkAvailable(AndroidApplication.getContext())) {
      request = request.newBuilder().cacheControl(CacheControl.FORCE_CACHE).build();
      Logger.e("no network");
    }
    Response originalResponse = chain.proceed(request);
    if (NetUtil.isNetworkAvailable(AndroidApplication.getContext())) {
      //有网的时候读接口上的@Headers里的配置，你可以在这里进行统一的设置
      String cacheControl = request.cacheControl().toString();
      return originalResponse.newBuilder()
          .header("Cache-Control", cacheControl)
          .removeHeader("Pragma")
          .build();
    } else {
      return originalResponse.newBuilder()
          .header("Cache-Control", "public, " + CACHE_CONTROL_CACHE)
          .removeHeader("Pragma")
          .build();
    }
  }
};

private static okhttp3.Request createRequest(Request request) {
 CacheControl cacheControl = null;
 int networkPolicy = request.networkPolicy;
 if (networkPolicy != 0) {
  if (NetworkPolicy.isOfflineOnly(networkPolicy)) {
   cacheControl = CacheControl.FORCE_CACHE;
  } else {
   CacheControl.Builder builder = new CacheControl.Builder();
   if (!NetworkPolicy.shouldReadFromDiskCache(networkPolicy)) {
    builder.noCache();
   }
   if (!NetworkPolicy.shouldWriteToDiskCache(networkPolicy)) {
    builder.noStore();
   }
   cacheControl = builder.build();
  }
 }
 Uri uri = checkNotNull(request.uri, "request.uri == null");
 okhttp3.Request.Builder builder = new okhttp3.Request.Builder().url(uri.toString());
 if (cacheControl != null) {
  builder.cacheControl(cacheControl);
 }
 return builder.build();
}