android域名控制

import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

import java.io.IOException;
import java.util.HashSet;
import java.util.Set;

public class DomainControlExample {

    private static final Set<String> ALLOWED_DOMAINS = new HashSet<>();

    static {
        ALLOWED_DOMAINS.add("api.example.com");
        ALLOWED_DOMAINS.add("another-api.example.com");
    }

    public static void main(String[] args) {
        OkHttpClient client = new OkHttpClient.Builder()
                .addInterceptor(chain -> {
                    Request request = chain.request();
                    String host = request.url().host();
                    if (!ALLOWED_DOMAINS.contains(host)) {
                        throw new IOException("Domain not allowed: " + host);
                    }
                    return chain.proceed(request);
                })
                .build();

        Request request = new Request.Builder()
                .url("https://api.example.com/data")
                .build();

        try (Response response = client.newCall(request).execute()) {
            System.out.println(response.body().string());
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}