Example usage for com.amazonaws.services.s3 AmazonS3 doesBucketExistV2

Introduction

In this page you can find the example usage for com.amazonaws.services.s3 AmazonS3 doesBucketExistV2.

Prototype

public boolean doesBucketExistV2(String bucketName) throws SdkClientException, AmazonServiceException;

Source Link

Document

Checks if the specified bucket exists.

Usage

From source file:com.handywedge.binarystore.store.aws.BinaryStoreManagerImpl.java

License:MIT License

/**
 * ?/*w w w  .j a v  a 2 s .c o m*/
 *
 * @param bucketName
 * @return s3client
 * @throws StoreException
 * @throws Exception
 */
private AmazonS3 getS3Client(String bucketName) throws StoreException {
    logger.debug("get S3 Client start.");
    // ?
    AWSCredentialsProvider provider = new EnvironmentVariableCredentialsProvider();

    // 
    ClientConfiguration clientConfig = new ClientConfiguration()

            // .withProtocol(Protocol.HTTPS) // Proxy
            // .withProxyHost("proxyHost")
            // .withProxyPort(80)
            // .withProxyUsername("proxyUsername")
            // .withProxyPassword("proxyPassword")

            .withConnectionTimeout(10000);

    // ?
    AmazonS3 s3client = AmazonS3ClientBuilder.standard().withCredentials(provider)
            .withClientConfiguration(clientConfig).withRegion(DEFAULT_REGION)
            .withForceGlobalBucketAccessEnabled(true).build();

    logger.debug("Region={}", s3client.getRegion());

    try {
        // ??
        if (!CommonUtils.isNullOrEmpty(bucketName) && !(s3client.doesBucketExistV2(bucketName))) {
            s3client.createBucket(new CreateBucketRequest(bucketName, DEFAULT_REGION.getName()));
        }
        // Get location.
        String bucketLocation = s3client.getBucketLocation(new GetBucketLocationRequest(bucketName));
        logger.info("bucket location={}", bucketLocation);
    } catch (AmazonClientException ace) {
        throw new StoreException(HttpStatus.SC_CONFLICT, ErrorClassification.BS0003, ace, "?");
    }

    logger.info("get S3 Client end.");
    return s3client;
}

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From source file:com.netflix.spinnaker.kork.secrets.engines.S3SecretEngine.java

License:Apache License

@Override
protected InputStream downloadRemoteFile(EncryptedSecret encryptedSecret) throws IOException {
    String region = encryptedSecret.getParams().get(STORAGE_REGION);
    String bucket = encryptedSecret.getParams().get(STORAGE_BUCKET);
    String objName = encryptedSecret.getParams().get(STORAGE_FILE_URI);

    AmazonS3ClientBuilder s3ClientBuilder = AmazonS3ClientBuilder.standard().withRegion(region);

    AmazonS3 s3Client = s3ClientBuilder.build();

    try {//www. j ava2 s.  com
        if (!s3Client.doesBucketExistV2(bucket)) {
            throw new SecretException(
                    String.format("S3 Bucket does not exist. Bucket: %s, Region: %s", bucket, region));
        }

        S3Object s3Object = s3Client.getObject(bucket, objName);

        return s3Object.getObjectContent();
    } catch (AmazonS3Exception ex) {
        StringBuilder sb = new StringBuilder("Error reading contents of S3 -- ");
        if (403 == ex.getStatusCode()) {
            sb.append(String.format(
                    "Unauthorized access. Check connectivity and permissions to the bucket. -- Bucket: %s, Object: %s, Region: %s.\n"
                            + "Error: %s ",
                    bucket, objName, region, ex.toString()));
        } else if (404 == ex.getStatusCode()) {
            sb.append(String.format(
                    "Not found. Does secret file exist? -- Bucket: %s, Object: %s, Region: %s.\nError: %s",
                    bucket, objName, region, ex.toString()));
        } else {
            sb.append(String.format("Error: %s", ex.toString()));
        }
        throw new SecretException(sb.toString());
    } catch (AmazonClientException ex) {
        throw new SecretException(
                String.format("Error reading contents of S3. Bucket: %s, Object: %s, Region: %s.\nError: %s",
                        bucket, objName, region, ex.toString()));
    }
}

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From source file:io.konig.maven.DeleteAwsS3BucketAction.java

License:Apache License

public AwsDeployment from(String path) throws Exception {
    String cfTemplatePresent = System.getProperty("cfTemplatePresent");
    if (cfTemplatePresent == null || cfTemplatePresent.equals("N")) {
        try {/*from  www  . ja  va  2  s  .  c  o m*/
            File file = deployment.file(path);
            ObjectMapper mapper = new ObjectMapper();
            S3Bucket bucket = mapper.readValue(file, S3Bucket.class);
            deployment.verifyAWSCredentials();
            Regions regions = Regions.fromName(bucket.getRegion());
            AmazonS3 s3client = AmazonS3ClientBuilder.standard().withCredentials(deployment.getCredential())
                    .withRegion(regions).build();
            String envtName = "";
            if (System.getProperty("environmentName") != null) {
                envtName = System.getProperty("environmentName");
            }
            String bucketName = StringUtils.replaceOnce(bucket.getBucketName(), "${environmentName}", envtName);
            s3client.deleteBucket(bucketName);
            boolean status = s3client.doesBucketExistV2(bucketName);
            if (!status)
                deployment.setResponse("AWS S3 Bucket is deleted ::" + bucketName);

        } catch (Exception e) {
            throw e;
        }
    } else {
        deployment.setResponse("S3 Bucket will be deleted through cloud formation stack");
    }
    return deployment;
}

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From source file:org.ow2.proactive.scheduler.examples.S3ConnectorUtils.java

License:Open Source License

/**
 * Creates an S3 bucket if it does not exist and returns its name.
 *
 * @param bucketName//from   w  w w  .ja  va2  s  .  co  m
 * @param s3
 * @return
 */
protected static Bucket createBucketIfNotExists(String bucketName, AmazonS3 s3) {
    Bucket b;
    if (s3.doesBucketExistV2(bucketName)) {
        b = getBucket(bucketName, s3);
    } else {
        logger.info("Bucket " + bucketName + " does not exist. Creating bucket ...");
        b = s3.createBucket(bucketName);
        logger.info("Bucket " + bucketName + " created successfully!");
    }
    return b;
}

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