org.opentripplanner.standalone.S3BucketConfig Maven / Gradle / Ivy
package org.opentripplanner.standalone;
import com.fasterxml.jackson.databind.JsonNode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Holds credentials and a bucket ID for downloading things from an Amazon S3 bucket.
* These configuration options can be loaded from JSON using the fromJson method.
*/
public class S3BucketConfig {
private static Logger LOG = LoggerFactory.getLogger(S3BucketConfig.class);
/** Credentials: the Amazon Web Services access key */
public String accessKey;
/** Credentials: the Amazon Web Services secret key corresponding to the access key. */
public String secretKey;
/** The bucket from which you want to download. */
public String bucketName;
/** Create a BucketConfig from a JSON configuration node. */
public static S3BucketConfig fromConfig(JsonNode config) {
if (config == null || config.isMissingNode()) {
/* No configuration was specified, nothing should be downloaded from S3. */
return null;
}
S3BucketConfig bucketConfig = new S3BucketConfig();
try {
bucketConfig.accessKey = config.get("accessKey").asText();
bucketConfig.secretKey = config.get("secretKey").asText();
bucketConfig.bucketName = config.get("bucketName").asText();
} catch (NullPointerException ex) {
LOG.error("You must specify an accessKey, a secretKey, and a bucketName when configuring S3 download.");
throw ex;
}
return bucketConfig;
}
public String toString() {
return "[AWS S3 bucket configuration: bucketName=" + bucketName + " accessKey=" + accessKey + " secretKey=***]";
}
}