getObjectMeta method
Written by
Returns object metadata.
The method is equivalent to get, but the object itself is not included in the response.
Request
HEAD /{bucket}/{key} HTTP/1.1
Path parameters
| Parameter | Description |
|---|---|
bucket |
Bucket name. |
key |
Object key. |
Headers
Use the necessary common request headers in requests.
You can also use the following headers in requests:
| Header | Description |
|---|---|
Range |
Sets the byte range to be uploaded from the object. For more information about the Range header, see the HTTP specification http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35. |
If-Modified-Since |
If specified, Object Storage returns: - The object. If it has been modified since the specified time. - Code 304. If the object hasn't been modified since the specified time. If a request has both the If-Modified-Since and If-None-Match headers and their checks result in If-Modified-Since -> true and If-None-Match -> false, then Object Storage returns a 304 code. For more information, see RFC 7232. |
If-Unmodified-Since |
If specified, Object Storage returns: - The object. If it has not been modified since the specified time. - Code 412. If the object hasn't been modified since the specified time. If a request has both the If-Unmodified-Since and If-Match headers and their checks result in If-Unmodified-Since -> false and If-Match -> true, then Object Storage returns a 200 code and the requested data. For more information, see RFC 7232. |
If-Match |
If specified, Object Storage returns: - The object. If its ETag matches the sent one.- Code 412. If its ETag doesn't match the one sent one.If a request has both the If-Unmodified-Since and If-Match headers and their checks result in If-Unmodified-Since -> false and If-Match -> true, then Object Storage returns a 200 code and the requested data. For more information, see RFC 7232. |
If-None-Match |
If specified, Object Storage returns: - The object. If its ETag doesn't match the sent one.- Code 304. If its ETag matches the one sent.If a request has both the If-Modified-Since and If-None-Match headers and their checks result in If-Modified-Since -> true and If-None-Match -> false, then Object Storage returns a 304 code. For more information, see RFC 7232. |
Response
Headers
In addition to common response headers, responses may have headers listed in the table below.
| Header | Description |
|---|---|
x-amz-meta-* |
User-defined object metadata that is stored with the object. |
x-amz-storage-class |
Object storage class. The value is COLD if the object is stored in cold storage.If it is stored in standard storage, the header is omitted. |
Response codes
For a list of possible responses, see Responses.