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

Introduction

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

Prototype

public VersionListing listVersions(String bucketName, String prefix)
        throws SdkClientException, AmazonServiceException;

Source Link

Document

Returns a list of summary information about the versions in the specified bucket.

Usage

From source file:cloudExplorer.Versioning.java

License:Open Source License

void getVersions(String key, String access_key, String secret_key, String bucket, String endpoint) {
    String results = null;/*from ww w.ja v  a  2 s .c  o m*/
    Boolean check_finished = false;

    try {
        mainFrame.jTextArea1.append("\nPlease wait, loading versions.");
        mainFrame.calibrateTextArea();
        AWSCredentials credentials = new BasicAWSCredentials(access_key, secret_key);
        AmazonS3 s3Client = new AmazonS3Client(credentials,
                new ClientConfiguration().withSignerOverride("S3SignerType"));
        s3Client.setEndpoint(endpoint);

        VersionListing vListing;
        if (key == null) {
            vListing = s3Client.listVersions(bucket, null);
        } else {
            vListing = s3Client.listVersions(bucket, key);
        }

        List<S3VersionSummary> summary = vListing.getVersionSummaries();

        if (summary.size() == 0) {
            check_finished = true;
        } else {
            check_finished = false;
        }

        for (S3VersionSummary object : summary) {
            if (!Versioning.delete) {
                mainFrame.versioning_date.add(object.getLastModified().toString());
            }
            mainFrame.versioning_id.add(object.getVersionId());
            mainFrame.versioning_name.add(object.getKey());
            System.gc();
        }

        if (Versioning.delete) {
            int i = 0;
            for (String delVer : mainFrame.versioning_name) {
                del = new Delete(delVer, mainFrame.cred.getAccess_key(), mainFrame.cred.getSecret_key(),
                        mainFrame.cred.getBucket(), mainFrame.cred.getEndpoint(),
                        mainFrame.versioning_id.get(i));
                del.startc(delVer, mainFrame.cred.getAccess_key(), mainFrame.cred.getSecret_key(),
                        mainFrame.cred.getBucket(), mainFrame.cred.getEndpoint(),
                        mainFrame.versioning_id.get(i));
                i++;
            }
            if (!check_finished) {
                getVersions(key, access_key, secret_key, bucket, endpoint);
            }
        }

        if (Versioning.delete) {
            mainFrame.jTextArea1.append(
                    "\nCompleted deleting every object. Please observe this window for any tasks that are still running.");
        } else {
            mainFrame.jTextArea1
                    .append("\nDone gathering Versions. If files are found, the first 1000 will be displayed.");
        }
        mainFrame.calibrateTextArea();
    } catch (Exception getVersions) {

    }
    if (Versioning.delete) {
        Versioning.delete = false;
        mainFrame.reloadObjects(false);
    }

}

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