Examples with DelegationTokenSecretManager org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSecretManager used on opensource projects

Example 6 with DelegationTokenSecretManager

use of org.apache.hadoop.hdfs.security.token.delegation.DelegationTokenSecretManager in project hadoop by apache.

the class DelegationTokenFetcher method printTokensToString.

@VisibleForTesting
static String printTokensToString(final Configuration conf, final Path tokenFile, final boolean verbose) throws IOException {
    StringBuilder sbld = new StringBuilder();
    final String nl = System.getProperty("line.separator");
    DelegationTokenIdentifier id = new DelegationTokenSecretManager(0, 0, 0, 0, null).createIdentifier();
    for (Token<?> token : readTokens(tokenFile, conf)) {
        DataInputStream in = new DataInputStream(new ByteArrayInputStream(token.getIdentifier()));
        id.readFields(in);
        String idStr = (verbose ? id.toString() : id.toStringStable());
        sbld.append("Token (").append(idStr).append(") for ").append(token.getService()).append(nl);
    }
    return sbld.toString();
}