getServingUrl（）使用Google Cloud Storage值的方法 [英] getServingUrl() Method using Google Cloud Storage value

问题描述

如何在不使用Blob的情况下使用getServingUrl（）为图像创建基本URL？到目前为止，我看到的所有示例都涉及blob，但我需要使用Google Cloud Storage值。

谢谢。

getServingUrl（）有一个新的重载，并带有 ServingUrlOptions c>方法参数。它的构建器有一个带有GoogleStorageFileName（）方法的方法，您可以使用该方法根据云存储文件名创建一个URL。

  GcsFilename gcsFilename = new GcsFilename（bucketName，objectName）; 
 ImagesService = ImagesServiceFactory.getImagesService（）; 
 String filename = String.format（/ gs /％s /％s，gcsFilename.getBucketName（），gcsFilename.getObjectName（））; 
 String servingUrl = is.getServingUrl（ServingUrlOptions.Builder.withGoogleStorageFileName（filename））; 
  

Javadocs：

1. https://developers.google.com/appengine/docs/java/javadoc/com/google/appengine/api/images/ImagesService.html#getServingUrl（com.google.appengine .api.images.ServingUrlOptions）


2. https://developers.google.com/appengine/docs/java/javadoc/com/google/appengine/api/images/ServingUrlOptions.Builder.html

how would you create a basic URL for an image using getServingUrl() without using Blobs? All the examples I've seen so far involved blobs, but I need to use Google Cloud Storage value.

Thanks.

解决方案

There is a new overload for getServingUrl() with a ServingUrlOptions method argument. And its builder has a withGoogleStorageFileName() method that you can use to create a URL based on the Cloud Storage filename.

GcsFilename gcsFilename = new GcsFilename("bucketName", "objectName");
ImagesService is = ImagesServiceFactory.getImagesService(); 
String filename = String.format("/gs/%s/%s", gcsFilename.getBucketName(), gcsFilename.getObjectName());
String servingUrl = is.getServingUrl(ServingUrlOptions.Builder.withGoogleStorageFileName(filename));

Javadocs:

1. https://developers.google.com/appengine/docs/java/javadoc/com/google/appengine/api/images/ImagesService.html#getServingUrl(com.google.appengine.api.images.ServingUrlOptions)
2. https://developers.google.com/appengine/docs/java/javadoc/com/google/appengine/api/images/ServingUrlOptions.Builder.html

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