private void checkSite(SiteInfo site) throws HandleException, net.handle.hdllib.HandleException {
AbstractRequest req =
new GenericRequest(
Util.encodeString("0.SITE/status"), AbstractMessage.OC_GET_SITE_INFO, null);
AbstractResponse response = resolverLowTimeout.sendRequestToSite(req, site);
if (response == null || response.responseCode != AbstractMessage.RC_SUCCESS)
throw new HandleException("non succesful request to primary " + site);
}
@Override
public String resolve(String doi) throws HandleException, NotFoundException {
if (dummyMode) return "dummyMode";
byte[] handle = Util.encodeString(doi);
byte[][] types = {Util.encodeString("URL")};
int[] indexes = new int[0];
ResolutionRequest resReq = new ResolutionRequest(handle, types, indexes, null);
resReq.authoritative = true; // always ask a primary server
try {
AbstractResponse response = resolver.processRequest(resReq);
String msg = AbstractMessage.getResponseCodeMessage(response.responseCode);
log4j.debug("response code from Handle request: " + msg);
if (response.responseCode == AbstractMessage.RC_HANDLE_NOT_FOUND) {
throw new NotFoundException("handle " + doi + " does not exist");
}
if (response.responseCode == AbstractMessage.RC_VALUES_NOT_FOUND) {
throw new NotFoundException("handle " + doi + " does not have any URL");
}
if (response.responseCode != AbstractMessage.RC_SUCCESS) {
throw new HandleException(msg);
}
HandleValue[] values = ((ResolutionResponse) response).getHandleValues();
return values[0].getDataAsString();
} catch (net.handle.hdllib.HandleException e) {
if (e.getCode() == net.handle.hdllib.HandleException.SERVICE_NOT_FOUND) {
throw new NotFoundException("prefix of handle " + doi + " does not exist");
} else {
String message = "tried to resolve handle " + doi + " but failed: " + e.getMessage();
log4j.warn(message);
throw new HandleException(message, e);
}
}
}
private void checkPrimary(String serviceHandle)
throws net.handle.hdllib.HandleException, HandleException {
HandleValue[] values =
resolver.resolveHandle(serviceHandle, new String[] {"HS_SITE"}, new int[0]);
SiteInfo[] sites = Util.getSitesFromValues(values);
boolean hasPrimary = false;
for (SiteInfo site : sites) {
if (site.isPrimary) {
hasPrimary = true;
checkSite(site);
}
}
if (!hasPrimary)
throw new HandleException("no primary handle server found for " + serviceHandle);
}