Head Object Description Get object metadata values returned as an HTTP header. This operation is useful to determine if an object exists and you have permission to access it. This is an Amazon S3 compatible operation. See Head Object for Amazon S3 operation details. Requests Syntax HEAD http[s]://{datapathDNSname}/{bucket_name}/{object_name} Responses Response Elements The operation returns status only. Notable status codes: § 200: OK § 404: Not Found Example Sample Request This request gets the header information for “object1” in “bucket1”. HEAD http://blackpearl-hostname/bucket1/object1 HTTP/1.1 Sample Response HTTP/1.1 200 OK with header information public void testHeadObjectReturnsMetadataWhenMetadataExists() { final MockHttpRequestSupport support = new MockHttpRequestSupport(); final Map< String, String > propertiesMapping = new HashMap<>(); propertiesMapping.put( "x-amz-meta-test", "this value tests custom metadata" ); propertiesMapping.put( "x-amz-meta-another", "more than one metadata field can be set" );
