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有没有人经历过从 android 连接到 Azure 的 documentdb?我已经尝试使用新的 Java SDK,但是由于核心 android SDK 中一些旧的所需 Apache 依赖冲突,它似乎在 android 中不受支持。我正在尝试使用 Rest API 方法,但速度很慢。

提前感谢您的帮助!

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好吧,这是一个需要解决的噩梦。九小时后……-_-'。长话短说,这里有一些实际上可以成功运行的代码。此代码并不完美,并且依赖于Retrofit

首先,这是 Retrofit 中的示例“服务”接口:

import retrofit.Callback;
import retrofit.http.Body;
import retrofit.http.Header;
import retrofit.http.POST;

public interface MyPojoService {
    @POST("/dbs/[db_id]/colls/[collection_id]/docs")
    void addDocument(@Header("authorization") String authorization, @Header("x-ms-date") String date, @Body MyPojo myPojo, Callback<MyPojo> cb);
}

接下来,我们在将调用 DocumentDB 的类中有我们的初始设置字段:

// Replace with your DocumentDB master key.
private static final String MASTER_KEY = "[Insert Key Here]";

//Gson instance.
private Gson gson = new Gson();

现在我们将拥有针对 RESTful 端点执行的方法:

public void callDocumentDB() {
    SimpleDateFormat formatter = new SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss 'GMT'", Locale.US);
    formatter.setTimeZone(TimeZone.getTimeZone("GMT"));
    String headerDate = formatter.format(new Date()).toLowerCase();  //According to the spec the format matters here.  Make sure to use this format on the header dates.


    MyPojo myPojo = new MyPojo();
    myPojo.id = UUID.randomUUID().toString(); //This is the only required field, and does not have to be a UUID.

    RestAdapter restAdapter = new RestAdapter.Builder()
            .setEndpoint("https://[INSERT DB NAME HERE].documents.azure.com")
            .build();

    MyPojoService service = restAdapter.create(MyPojoService.class);

    service.addDocument(generateAuthHeader("post", "docs", "[INSERT COLLECTION ID HERE]", headerDate, MASTER_KEY), headerDate, myPojo, new Callback<MyPojo>() {
        @Override
        public void success(MyPojo myPojo, Response response) {
            //[INSERT API SUCCESSFUL CALL LOGIC HERE]
        }

        @Override
        public void failure(RetrofitError error) {
            throw error;
        }
    });
}

最后,我们有了生成授权标头的方法。这种方法组合起来简直是一场噩梦,但它适用于规范:

private String generateAuthHeader(String verb, String resourceType, String resourceId, String date, String masterKeyBase64) throws Exception
{
    //Decode the master key, and setup the MAC object for signing.
    byte[] masterKeyBytes = Base64.decode(masterKeyBase64, Base64.NO_WRAP);
    Mac mac = Mac.getInstance("HMACSHA256");
    mac.init(new SecretKeySpec(masterKeyBytes, "HMACSHA256"));

    //Build the unsigned auth string.
    String stringToSign = verb + "\n"
            + resourceType + "\n"
            + resourceId + "\n"
            + date + "\n"
            + "\n";

    //Sign and encode the auth string.
    String signature = Base64.encodeToString(mac.doFinal(stringToSign.toLowerCase().getBytes("UTF8")), Base64.NO_WRAP);

    //Generate the auth header.
    String authHeader = URLEncoder.encode("type=master&ver=1.0&sig=" + signature, "UTF8");

    return authHeader;
}

注意: 请注意 generateAuthString 和 MyPojoService 设置为使用 x-ms-date 标头而不是 date 标头。当前版本的 Azure DocumentDB 存在一个错误,似乎使生成的令牌无法正确授权。

我希望这会有所帮助,并为您节省一些时间。

于 2015-02-22T05:17:03.660 回答