Example usage for com.amazonaws.services.s3.model ListVersionsRequest getPrefix

Introduction

In this page you can find the example usage for com.amazonaws.services.s3.model ListVersionsRequest getPrefix.

Prototype

public String getPrefix() 

Source Link

Document

Gets the optional prefix parameter restricting the response to keys that begin with the specified prefix.

Usage

From source file:org.finra.herd.dao.impl.MockS3OperationsImpl.java

License:Apache License

/**
 * {@inheritDoc}//from  ww  w .  jav a  2s.  c  o  m
 * <p/>
 * If the bucket does not exist, returns a listing with an empty list. If a prefix is specified in listVersionsRequest, only versions starting with the
 * prefix will be returned.
 */
@Override
public VersionListing listVersions(ListVersionsRequest listVersionsRequest, AmazonS3 s3Client) {
    LOGGER.debug(
            "listVersions(): listVersionsRequest.getBucketName() = " + listVersionsRequest.getBucketName());

    String bucketName = listVersionsRequest.getBucketName();

    if (MOCK_S3_BUCKET_NAME_NO_SUCH_BUCKET_EXCEPTION.equals(bucketName)) {
        AmazonS3Exception amazonS3Exception = new AmazonS3Exception(
                MOCK_S3_BUCKET_NAME_NO_SUCH_BUCKET_EXCEPTION);
        amazonS3Exception.setErrorCode("NoSuchBucket");
        throw amazonS3Exception;
    } else if (MOCK_S3_BUCKET_NAME_INTERNAL_ERROR.equals(bucketName)) {
        throw new AmazonServiceException(S3Operations.ERROR_CODE_INTERNAL_ERROR);
    }

    VersionListing versionListing = new VersionListing();
    versionListing.setBucketName(bucketName);

    MockS3Bucket mockS3Bucket = mockS3Buckets.get(bucketName);
    if (mockS3Bucket != null) {
        for (MockS3Object mockS3Object : mockS3Bucket.getVersions().values()) {
            String s3ObjectKey = mockS3Object.getKey();
            if (listVersionsRequest.getPrefix() == null
                    || s3ObjectKey.startsWith(listVersionsRequest.getPrefix())) {
                S3VersionSummary s3VersionSummary = new S3VersionSummary();
                s3VersionSummary.setBucketName(bucketName);
                s3VersionSummary.setKey(s3ObjectKey);
                s3VersionSummary.setVersionId(mockS3Object.getVersion());
                s3VersionSummary.setSize(mockS3Object.getData().length);
                s3VersionSummary.setStorageClass(mockS3Object.getObjectMetadata() != null
                        ? mockS3Object.getObjectMetadata().getStorageClass()
                        : null);

                versionListing.getVersionSummaries().add(s3VersionSummary);
            }
        }
    }

    return versionListing;
}

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