/** ETag == Content-MD5 */
@VisibleForTesting
protected void addETagTo(HttpResponse from, MutableObjectMetadata metadata) {
if (metadata.getETag() == null) {
String eTagHeader = from.getFirstHeaderOrNull(S3Headers.AMZ_MD5);
if (eTagHeader != null) {
metadata.setETag(eTagHeader);
}
}
}
/**
* parses the http response headers to create a new {@link
* org.jclouds.aws.s3.domain.internal.MutableObjectMetadata} object.
*/
public MutableObjectMetadata apply(HttpResponse from) {
BlobMetadata base = blobMetadataParser.apply(from);
MutableObjectMetadata to = blobToObjectMetadata.apply(base);
addETagTo(from, to);
to.setContentMD5(HttpUtils.fromHexString(to.getETag().replaceAll("\"", "")));
to.setCacheControl(from.getFirstHeaderOrNull(HttpHeaders.CACHE_CONTROL));
to.setContentDisposition(from.getFirstHeaderOrNull("Content-Disposition"));
to.setContentEncoding(from.getFirstHeaderOrNull(HttpHeaders.CONTENT_ENCODING));
return to;
}