API | Operation | Description |
Querying object metadata | Queries the metadata of an object. |
String bucket = "examplebucket-1250000000"; // Bucket, formatted as BucketName-APPIDString cosPath = "exampleobject"; // The location identifier of the object in the bucket, i.e., the object keyHeadObjectRequest headObjectRequest = new HeadObjectRequest(bucket, cosPath);cosXmlService.headObjectAsync(headObjectRequest, new CosXmlResultListener() {@Overridepublic void onSuccess(CosXmlRequest request, CosXmlResult result) {HeadObjectResult headObjectResult = (HeadObjectResult) result;}// If you use the Kotlin language to call this, please note that the exception in the callback method is nullable; otherwise, the onFail method will not be called back, that is:// clientException is of type CosXmlClientException? and serviceException is of type CosXmlServiceException?@Overridepublic void onFail(CosXmlRequest cosXmlRequest,@Nullable CosXmlClientException clientException,@Nullable CosXmlServiceException serviceException) {if (clientException != null) {clientException.printStackTrace();} else {serviceException.printStackTrace();}}});
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