Obtaining a Versioning Object
If you have any questions during development, post them on the Issues page of GitHub. For details about parameters and usage of each API, see the API Reference.
You can call ObsClient.getObject to obtain an object version by specifying the version ID (versionId).
This example downloads object objectname from bucket bucketname by specifying VersionId.
The example code is as follows:
// Hard-coded or plaintext AK/SK are risky. For security purposes, encrypt your AK/SK and store them in the configuration file or environment variables. In this example, the AK/SK are stored in environment variables for identity authentication. Before running this example, configure environment variables ACCESS_KEY_ID and SECRET_ACCESS_KEY_ID. // Obtain an AK/SK pair on the management console. For details, see https://support.huaweicloud.com/intl/en-us/usermanual-ca/ca_01_0003.html. String ak = System.getenv("ACCESS_KEY_ID"); String sk = System.getenv("SECRET_ACCESS_KEY_ID"); String endPoint = "https://your-endpoint"; // Create an instance of ObsClient. ObsClient obsClient = new ObsClient(ak, sk, endPoint); // Set versionId to obtain a versioning object. ObsObject obsObject = obsClient.getObject("bucketname", "objectname", "versionid"); obsObject.getObjectContent().close();
- If version ID is left blank, the latest version of the object will be downloaded.
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