public static MediaType getImageMediaTypeFromExtension(String extension) {
com.google.common.net.MediaType mime = IMAGE_FORMAT_MIME_TYPES.get(extension.toLowerCase());
if (mime == null) return null;
try {
return MediaType.valueOf(mime.toString());
} catch (Exception e) {
log.warn("Unparseable MIME type " + mime + "; ignoring (" + e + ")");
Exceptions.propagateIfFatal(e);
return null;
}
}
@Override
public CheckedFuture<Duration, DiscoveryException> announce(Set<ServiceAnnouncement> services) {
Preconditions.checkNotNull(services, "services is null");
URI uri = discoveryServiceURI.get();
if (uri == null) {
return Futures.immediateFailedCheckedFuture(
new DiscoveryException("No discovery servers are available"));
}
Announcement announcement =
new Announcement(
nodeInfo.getEnvironment(),
nodeInfo.getNodeId(),
nodeInfo.getPool(),
nodeInfo.getLocation(),
services);
Request request =
preparePut()
.setUri(URI.create(uri + "/v1/announcement/" + nodeInfo.getNodeId()))
.setHeader("User-Agent", nodeInfo.getNodeId())
.setHeader("Content-Type", MEDIA_TYPE_JSON.toString())
.setBodyGenerator(jsonBodyGenerator(announcementCodec, announcement))
.build();
return httpClient.executeAsync(
request,
new DiscoveryResponseHandler<Duration>("Announcement") {
@Override
public Duration handle(Request request, Response response) throws DiscoveryException {
int statusCode = response.getStatusCode();
if (!isSuccess(statusCode)) {
throw new DiscoveryException(
String.format(
"Announcement failed with status code %s: %s",
statusCode, getBodyForError(response)));
}
Duration maxAge = extractMaxAge(response);
return maxAge;
}
});
}
public String getContentType() {
return (contentType != null ? contentType.toString() : null);
}