3 - almost everything
N - debugging
 */

public class LogStream extends PrintStream {

    private static LogStream inst;

    public static int level = 1;

    public LogStream( PrintStream stream ) {
        super( stream );
    }

    public static void setLevel( int level ) {
        LogStream.level = level;
    }
    /**

 * concurrently.
 */

public abstract class Transport implements Runnable {

    static int id = 0;
    static LogStream log = LogStream.getInstance();

    public static int readn( InputStream in,
                byte[] b,
                int off,
                int len ) throws IOException {
        int i = 0, n = -5;

        while (i < len) {
            n = in.read( b, off + i, len - i );
            if (n <= 0) {

        }
    }

/**
 * Closes this output stream and releases any system resources associated
 * with it.
 *
 * @throws IOException if a network error occurs
 */

    public void close() throws IOException {
        file.close();
        tmp = null;
    }

/**
 * Writes the specified byte to this file output stream.
 *
 * @throws IOException if a network error occurs
 */

        private final OutputStream stream;

        private final OutputStream collector;

        public CacheStream(OutputStream stream, OutputStream collector) {
            this.stream = stream;
            this.collector = collector;
        }

        public void close() throws IOException {
            stream.close();
            collector.close();
        }

    };

    private static URLStreamHandlerFactory factory;

    /**
     * Sets the URL stream handler factory for the environment.  This
     * allows specification of the factory used in creating underlying
     * stream handlers.  This can be called once per JVM instance.
     *
     * @param factory The URL stream handler factory.
     */
    public static void setURLStreamHandlerFactory(

     * Writes b.length bytes from the specified byte array to this
     * file output stream.
     *
     * @throws IOException
     *             if a network error occurs
     */

    @Override
    public void write ( byte[] b ) throws IOException {
        write(b, 0, b.length);
    }


    /**
     * @return whether the stream is open
     */
    public boolean isOpen () {

        ASN1Sequence authSequence;
        try {
            try ( ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token)) ) {
                authSequence = ASN1Util.as(ASN1Sequence.class, stream);
            }
        }
        catch ( IOException e ) {
            throw new PACDecodingException("Malformed kerberos ticket", e);
        }

        ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token));
        ASN1TaggedObject derToken;
        try {
            derToken = ASN1Util.as(ASN1TaggedObject.class, stream);
            if ( derToken.getTagClass() != BERTags.APPLICATION )
                throw new PACDecodingException("Malformed kerberos ticket");
            stream.close();
        }
        catch ( IOException e ) {

            throw new PACDecodingException("Empty kerberos ticket");

        ASN1Sequence sequence;
        try {
            try ( ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token)) ) {
                sequence = ASN1Util.as(ASN1Sequence.class, stream);
            }
        }
        catch ( IOException e ) {
            throw new PACDecodingException("Malformed kerberos ticket", e);
        }

import org.slf4j.LoggerFactory;

import jcifs.RuntimeCIFSException;
import jcifs.smb.RequestParam;


/**
 * This class simplifies communication for protocols that support
 * multiplexing requests. It encapsulates a stream and some protocol
 * knowledge (provided by a concrete subclass) so that connecting,
 * disconnecting, sending, and receiving can be syncronized
 * properly. Apparatus is provided to send and receive requests
 * concurrently.