@VisibleForTesting
protected void addETagTo(HttpResponse from, MutableContainerPropertiesWithMetadata metadata) {
String eTag = from.getFirstHeaderOrNull(HttpHeaders.ETAG);
if (metadata.getETag() == null && eTag != null) {
metadata.setETag(eTag);
}
}
public ContainerProperties apply(HttpResponse from) {
MutableContainerPropertiesWithMetadata to = new MutableContainerPropertiesWithMetadataImpl();
to.setName(request.getInvocation().getArgs().get(0).toString());
addUserMetadataTo(from, to);
parseLastModifiedOrThrowException(from, to);
addETagTo(from, to);
to.setUrl(request.getEndpoint());
return to;
}
@VisibleForTesting
void parseLastModifiedOrThrowException(
HttpResponse from, MutableContainerPropertiesWithMetadata metadata) throws HttpException {
String lastModified = from.getFirstHeaderOrNull(HttpHeaders.LAST_MODIFIED);
if (lastModified == null)
throw new HttpException(
HttpHeaders.LAST_MODIFIED + " header not present in response: " + from);
metadata.setLastModified(dateParser.rfc822DateParse(lastModified));
if (metadata.getLastModified() == null)
throw new HttpException(
"could not parse: " + HttpHeaders.LAST_MODIFIED + ": " + lastModified);
}
@VisibleForTesting
void addUserMetadataTo(HttpResponse from, MutableContainerPropertiesWithMetadata metadata) {
for (Entry<String, String> header : from.getHeaders().entries()) {
if (header.getKey() != null && header.getKey().startsWith(metadataPrefix))
metadata
.getMetadata()
.put(
(header.getKey().substring(metadataPrefix.length())).toLowerCase(),
header.getValue());
}
}
