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package com.android.vts.util;
import com.google.auth.oauth2.ServiceAccountCredentials;
import com.google.cloud.storage.Storage;
import com.google.cloud.storage.StorageOptions;
import java.io.IOException;
import java.io.InputStream;
import java.util.Optional;
import java.util.logging.Level;
import java.util.logging.Logger;
/** GcsHelper, a helper class for interacting with Google Cloud Storage. */
public class GcsHelper {
private static final Logger logger = Logger.getLogger(GcsHelper.class.getName());
/** Google Cloud Storage project ID */
private static String GCS_PROJECT_ID;
public static void setGcsProjectId(String gcsProjectId) {
GCS_PROJECT_ID = gcsProjectId;
}
/**
* Get GCS storage from Key file input stream parameter.
*/
public static Optional<Storage> getStorage(InputStream keyFileInputStream) {
if (keyFileInputStream == null) {
logger.log(Level.SEVERE, "Error GCS key file is not exiting. Check key file!");
return Optional.empty();
} else {
try {
Storage storage =
StorageOptions.newBuilder()
.setProjectId(GCS_PROJECT_ID)
.setCredentials(
ServiceAccountCredentials.fromStream(keyFileInputStream))
.build()
.getService();
return Optional.of(storage);
} catch (IOException e) {
logger.log(Level.SEVERE, "Error on creating storage instance!");
return Optional.empty();
}
}
}
}
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