Examples with NotExisting org.lucee.extension.resource.s3.info.NotExisting used on opensource projects

Example 1 with NotExisting

use of org.lucee.extension.resource.s3.info.NotExisting in project extension-s3 by lucee.

the class S3 method get.

public S3Info get(String bucketName, final String objectName) throws S3Exception {
    if (Util.isEmpty(objectName)) {
        return get(bucketName);
    }
    bucketName = improveBucketName(bucketName);
    String nameFile = improveObjectName(objectName, false);
    String nameDir = improveObjectName(objectName, true);
    // cache
    S3Info info = cacheTimeout <= 0 ? null : exists.get(toKey(bucketName, nameFile));
    if (info != null && info.validUntil() >= System.currentTimeMillis()) {
        if (info instanceof NotExisting)
            return null;
        return info;
    }
    info = null;
    AmazonS3Client client = getAmazonS3(bucketName, null);
    try {
        long validUntil = System.currentTimeMillis() + cacheTimeout;
        ObjectListing objects = null;
        try {
            ListObjectsRequest lor = new ListObjectsRequest();
            lor.setBucketName(bucketName);
            lor.setPrefix(nameFile);
            lor.setMaxKeys(100);
            objects = client.listObjects(lor);
        } catch (Exception e) {
            if (log != null)
                log.error("s3", e);
            else
                e.printStackTrace();
        }
        /* Recursively delete all the objects inside given bucket */
        if (objects == null || objects.getObjectSummaries() == null || objects.getObjectSummaries().size() == 0) {
            // we do not return this, we just store it to cache that it
            exists.put(toKey(bucketName, objectName), new NotExisting(bucketName, objectName, validUntil, log));
            // does
            return null;
        }
        String targetName;
        S3ObjectSummary stoObj = null;
        int count = 0;
        // while (true) {
        for (S3ObjectSummary summary : objects.getObjectSummaries()) {
            count++;
            // direct match
            targetName = summary.getKey();
            if (nameFile.equals(targetName) || nameDir.equals(targetName)) {
                exists.put(toKey(bucketName, nameFile), info = new StorageObjectWrapper(this, stoObj = summary, validUntil, log));
            }
            // pseudo directory?
            // if (info == null) {
            targetName = summary.getKey();
            if (nameDir.length() < targetName.length() && targetName.startsWith(nameDir)) {
                exists.put(toKey(bucketName, nameFile), info = new ParentObject(this, bucketName, nameDir, validUntil, log));
            }
            // set the value to exist when not a match
            if (!(stoObj != null && stoObj.equals(summary))) {
                exists.put(toKey(summary.getBucketName(), summary.getKey()), new StorageObjectWrapper(this, summary, validUntil, log));
            }
            // set all the parents when not exist
            // TODO handle that also a file with that name can exist at the same time
            String parent = nameFile;
            int index;
            while ((index = parent.lastIndexOf('/')) != -1) {
                parent = parent.substring(0, index);
                exists.put(toKey(bucketName, parent), new ParentObject(this, bucketName, parent, validUntil, log));
            }
        }
        // }
        if (info == null) {
            // we do not return this, we just store it to cache that it does
            exists.put(// we do not return this, we just store it to cache that it does
            toKey(bucketName, objectName), // we do not return this, we just store it to cache that it does
            new NotExisting(bucketName, objectName, validUntil, log));
        }
        return info;
    } catch (AmazonServiceException ase) {
        throw toS3Exception(ase);
    } finally {
        client.release();
    }
}