use of com.azure.storage.blob.models.BlobItemProperties in project ats-framework by Axway.
the class BlobStorageOperations method listBlobs.
/**
* List blobs from container
* @param containerName - the container name
* @param prefix - prefix for the blobs names or null for all blobs
* @param directory - the directory which will be listed, or null to search the whole container
* @param retrieveTimeout - the maximum amount of time (in seconds) to wait for the operation to complete. If the operation did not complete in that time {@link BlobStorageException} will be thrown/raised. Pass 0 (zero) to use the default value
* @return list {@link BlobInfo}
* @throws AtsBlobStorageException - if exception occurred
*/
@PublicAtsApi
public List<BlobInfo> listBlobs(String containerName, String prefix, String directory, long retrieveTimeout) {
try {
StringBuilder sb = new StringBuilder();
sb.append("Listing blobs");
log.info(sb.toString());
final List<BlobInfo> infos = new ArrayList<BlobInfo>();
PagedIterable<BlobItem> blobs = null;
ListBlobsOptions lbops = new ListBlobsOptions();
if (!StringUtils.isNullOrEmpty(prefix)) {
lbops.setPrefix(prefix);
sb.append(" with prefix '" + prefix + "'");
}
if (retrieveTimeout <= 0) {
// just a little less than too much
retrieveTimeout = Integer.MAX_VALUE / 2;
}
if (!StringUtils.isNullOrEmpty(directory)) {
String newPrefix = directory + "/" + prefix;
lbops.setPrefix(newPrefix);
sb.append(" from directory '" + directory + "'");
sb.append(" in container '" + containerName + "' ...");
log.info(sb.toString());
blobs = serviceClient.getBlobContainerClient(containerName).listBlobsByHierarchy("/", lbops, Duration.ofSeconds(retrieveTimeout));
} else {
sb.append(" in container '" + containerName + "' ...");
log.info(sb.toString());
blobs = serviceClient.getBlobContainerClient(containerName).listBlobs(lbops, Duration.ofSeconds(retrieveTimeout));
}
if (blobs != null) {
blobs.stream().forEach(new Consumer<BlobItem>() {
public void accept(BlobItem blobItem) {
BlobInfo info = new BlobInfo();
BlobItemProperties properties = blobItem.getProperties();
info.setAccessTier(BlobInfo.toAtsAccessTier(properties.getAccessTier()));
info.setBlobName(blobItem.getName());
info.setBlobType(BlobInfo.toAtsBlobType(properties.getBlobType()));
info.setContainerName(containerName);
info.setContentType(properties.getContentType());
if (properties.getCreationTime() != null) {
info.setCreationTime(Date.from(properties.getCreationTime().toInstant()));
} else {
info.setCreationTime(null);
}
info.setETag(properties.getETag());
if (properties.getLastModified() != null) {
info.setLastModified(Date.from(properties.getLastModified().toInstant()));
} else {
info.setLastModified(null);
}
if (properties.getContentMd5() != null) {
info.setMd5(java.util.Base64.getEncoder().encodeToString(properties.getContentMd5()));
} else {
info.setMd5(null);
}
info.setMetadata(blobItem.getMetadata());
info.setSize(properties.getContentLength());
infos.add(info);
}
});
}
return infos;
} catch (Exception e) {
String errorMessage = "Could not list blobs from container '" + containerName + "'" + (!StringUtils.isNullOrEmpty(prefix) ? " with prefix '" + prefix + "'" : "") + (!StringUtils.isNullOrEmpty(directory) ? " in directory '" + directory + "'" : "") + " in " + retrieveTimeout + " seconds";
throw new AtsBlobStorageException(errorMessage, e);
}
}
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