Examples with Checksums org.dcache.util.Checksums used on opensource projects

Example 1 with Checksums

use of org.dcache.util.Checksums in project dcache by dCache.

the class AbstractXrootdRequestHandler method selectChecksum.

protected QueryResponse selectChecksum(ChecksumInfo info, Set<Checksum> checksums, QueryRequest msg) throws XrootdException {
    if (!checksums.isEmpty()) {
        /**
         * xrdcp expects lower case names for checksum algorithms
         * https://github.com/xrootd/xrootd/issues/459
         * TODO: remove toLowerCase() call when above issue is addressed
         */
        Optional<String> type = info.getType();
        if (type.isPresent()) {
            Optional<Checksum> result = checksums.stream().filter((c) -> type.get().equalsIgnoreCase(c.getType().getName())).findFirst();
            if (result.isPresent()) {
                Checksum checksum = result.get();
                return new QueryResponse(msg, checksum.getType().getName().toLowerCase() + " " + checksum.getValue());
            }
            throw new XrootdException(kXR_Unsupported, "Checksum exists, " + "but not of the requested type.");
        }
        Checksum checksum = Checksums.preferredOrder().min(checksums);
        return new QueryResponse(msg, checksum.getType().getName().toLowerCase() + " " + checksum.getValue());
    }
    throw new XrootdException(kXR_Unsupported, "No checksum available " + "for this file.");
}