从GoogleCloudStorage创建BlobstoreKey [英] Creating BlobstoreKey from GoogleCloudStorage

问题描述

我正在使用GAE为这个项目写这段代码。我不使用Blobstore，但我需要使用servingUrl方法。

I'm writting this code for a project using GAE. Im not using Blobstore but i need to use the servingUrl method.

    GcsFilename gcsFilename = new GcsFilename(myBucket, myFileName);
        BlobstoreService blobstoreService = BlobstoreServiceFactory.getBlobstoreService();
BlobKey blobKey = blobstoreService.createGsBlobKey(
    "/gs/" + gcsFilename.getBucketName() + "/" + gcsFilename.getObjectName());

ImagesService images = ImagesServiceFactory.getImagesService();
    GcsFilename gcsFilename = new GcsFilename(myBucket, myFileName);
    BlobstoreService blobstore = BlobstoreServiceFactory.getBlobstoreService();
    BlobKey blobKey = blobstore.createGsBlobKey(key);
    ServingUrlOptions opts = ServingUrlOptions.Builder.
            withBlobKey(blobKey).
            secureUrl(true);
    images.getServingUrl(opts);

当我执行这些代码时，我得到这个错误：

When I execute one of this codes, im getting this error:

线程main中的异常com.google.apphosting.api.ApiProxy $ CallNotFoundException：未找到API程序包blobstore或调用CreateEncodedGoogleStorageKey（）。 / p>

Exception in thread "main" com.google.apphosting.api.ApiProxy$CallNotFoundException: The API package 'blobstore' or call 'CreateEncodedGoogleStorageKey()' was not found.

有什么想法？

Any idea?

推荐答案

@ LaiaxanIV的解决方案发布为对该问题的编辑：

@LaiaxanIV's solution posted as an edit to the question:

解决方案我找到了：

SOLUTION I FOUND:

String key = ""; // Such as /gs/example-bucket/categories/animals.png"
ImagesService images = ImagesServiceFactory.getImagesService();
BlobstoreService blobstore = BlobstoreServiceFactory.getBlobstoreService();
BlobKey blobKey = blobstore.createGsBlobKey(key);
ServingUrlOptions opts = ServingUrlOptions.Builder.
        withBlobKey(blobKey).
        secureUrl(true);
return images.getServingUrl(opts);

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