@Nullable
@Override
public OfflineStoreRequest getRequest(@Nonnull String bucket, @Nonnull String requestId)
throws CloudException, InternalException {
APITrace.begin(getProvider(), "Blob.getRequest");
try {
final GlacierMethod method =
GlacierMethod.build(getProvider(), GlacierAction.DESCRIBE_JOB)
.vaultId(bucket)
.jobId(requestId)
.toMethod();
try {
final JSONObject jsonObject = method.invokeJson();
return loadRequestJson(jsonObject, bucket);
} catch (GlacierException e) {
if (e.getHttpCode() == 404) {
return null;
}
throw e;
} catch (JSONException e) {
throw new CloudException(e);
}
} finally {
APITrace.end();
}
}
private void listRequests(
@Nonnull String bucket, @Nonnull Jiterator<OfflineStoreRequest> iterator)
throws CloudException, InternalException {
APITrace.begin(getProvider(), "Blob.listRequests");
try {
boolean needQuery = true;
String marker = null;
Map<String, String> queryParameters = new HashMap<String, String>(1);
// glacier can paginate results. it returns a "marker" string in the JSON response
// which indicates you should make another query. The marker string should be passed
// as a query parameter in the next query.
while (needQuery) {
if (marker != null) {
queryParameters.put("marker", marker);
}
GlacierMethod method =
GlacierMethod.build(getProvider(), GlacierAction.LIST_JOBS)
.vaultId(bucket)
.queryParameters(queryParameters)
.toMethod();
final JSONObject jsonObject = method.invokeJson();
try {
JSONArray vaultList = jsonObject.getJSONArray("JobList");
for (int i = 0; i < vaultList.length(); i++) {
iterator.push(loadRequestJson(vaultList.getJSONObject(i), bucket));
}
marker = getPaginationMarker(jsonObject);
if (marker == null) {
needQuery = false;
}
} catch (JSONException e) {
throw new CloudException(e);
}
}
} finally {
APITrace.end();
}
}
private void loadVaults(@Nonnull String regionId, @Nonnull Jiterator<Blob> iterator)
throws CloudException, InternalException {
boolean needQuery = true;
String marker = null;
Map<String, String> queryParameters = new HashMap<String, String>(1);
// glacier can paginate results. it returns a "marker" string in the JSON response
// which indicates you should make another query. The marker string should be passed
// as a query parameter in the next query.
while (needQuery) {
if (marker != null) {
queryParameters.put("marker", marker);
}
GlacierMethod method =
GlacierMethod.build(getProvider(), GlacierAction.LIST_VAULTS)
.queryParameters(queryParameters)
.toMethod();
String baseUrl = method.getUrl();
JSONObject jsonObject = method.invokeJson();
try {
JSONArray vaultList = jsonObject.getJSONArray("VaultList");
for (int i = 0; i < vaultList.length(); i++) {
iterator.push(loadVaultJson(vaultList.getJSONObject(i), regionId, baseUrl));
}
marker = getPaginationMarker(jsonObject);
if (marker == null) {
needQuery = false;
}
} catch (JSONException e) {
throw new CloudException(e);
}
}
}
@Nonnull
@Override
public Iterable<Blob> getListRequestResult(@Nonnull String bucket, @Nonnull String requestId)
throws InternalException, CloudException {
final String regionId = getContext().getRegionId();
if (regionId == null) {
throw new CloudException("No region ID was specified");
}
APITrace.begin(getProvider(), "Blob.getListRequestResult");
try {
final GlacierMethod method =
GlacierMethod.build(getProvider(), GlacierAction.GET_JOB_OUTPUT)
.vaultId(bucket)
.jobId(requestId)
.toMethod();
try {
JSONObject jsonObject = method.invokeJson();
JSONArray archives = jsonObject.getJSONArray("ArchiveList");
// not using thread here because there is no potential for pagination in the API
List<Blob> blobs = new ArrayList<Blob>(archives.length());
for (int i = 0; i < archives.length(); i++) {
blobs.add(loadArchiveJson(archives.getJSONObject(i), bucket, regionId));
}
return blobs;
} catch (JSONException e) {
throw new CloudException(e);
}
} finally {
APITrace.end();
}
}
@Override
public Blob getBucket(@Nonnull String bucketName) throws InternalException, CloudException {
APITrace.begin(getProvider(), "Blob.getBucket");
try {
if (bucketName.contains("/")) {
return null;
}
String regionId = getContext().getRegionId();
if (regionId == null) {
throw new CloudException("No region was set for this request");
}
try {
GlacierMethod method =
GlacierMethod.build(getProvider(), GlacierAction.DESCRIBE_VAULT)
.vaultId(bucketName)
.toMethod();
JSONObject jsonObject = method.invokeJson();
if (jsonObject == null) {
return null;
}
return loadVaultJson(jsonObject, regionId, method.getUrl());
} catch (GlacierException e) {
if (e.getHttpCode() == 404) {
return null;
}
throw e;
} catch (JSONException e) {
throw new CloudException(e);
}
} finally {
APITrace.end();
}
}