this.handle.close();
            }
            else if ( this.handle != null ) {
                this.handle.release();
            }
            this.handle = null;
        }
        finally {
            if ( this.treeHandle != null ) {
                this.treeHandle.release();
            }
        }
    }

     * @see java.lang.AutoCloseable#close()
     */
    @Override
    public void close () {
        release();
    }


    /**
     * 
     */
    public void release () {
        long usage = this.usageCount.decrementAndGet();
        if ( log.isTraceEnabled() ) {
            log.trace("Release transport " + usage + " " + this);
        }

        if ( usage == 0 ) {

     * 
     * @throws CIFSException
     */
    public void open () throws CIFSException {
        try ( SmbFileHandleImpl fh = ensureOpen() ) {}
    }


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

    @Override
    public void close () throws IOException {

import jcifs.smb1.ntlmssp.Type2Message;
import jcifs.smb1.ntlmssp.Type3Message;
import jcifs.smb1.util.Base64;

/**
 * Wraps an <code>HttpURLConnection</code> to provide NTLM authentication
 * services.
 *
 * Please read <a href="../../../httpclient.html">Using jCIFS NTLM Authentication for HTTP Connections</a>.
 */
public class NtlmHttpURLConnection extends HttpURLConnection {

    private static final int MAX_REDIRECTS =

    @Override
    public void close () {
        release(false);
    }


    public void release () {
        release(true);
    }


    /**
     * @param track
     */
    public void release ( boolean track ) {
        long usage = this.usageCount.decrementAndGet();
        if ( log.isTraceEnabled() ) {
            log.trace("Release tree " + usage + " " + this);
        }

     */
    synchronized SmbFileHandleImpl ensureOpen () throws CIFSException {
        if ( this.handle == null || !this.handle.isValid() ) {
            // one extra acquire to keep this open till the stream is released
            if ( this.file instanceof SmbNamedPipe ) {
                this.handle = this.file.openUnshared(
                    SmbConstants.O_EXCL,
                    ( (SmbNamedPipe) this.file ).getPipeType() & 0xFF0000,

                if ( wasAcquired ) {
                    // release
                    old.release(true);
                }
            }
            if ( this.delegate != null && this.delegateAcquired ) {
                log.debug("Releasing delegate");
                this.delegateAcquired = false;
                this.delegate.release();
            }
        }
    }


    /**

    /**
     * 
     */
    public static final byte SMB2_OPLOCK_LEVEL_BATCH = 0x9;
    /**
     * 
     */
    public static final byte SMB2_OPLOCK_LEVEL_LEASE = (byte) 0xFF;

    /**
     * 
     */
    public static final int SMB2_IMPERSONATION_LEVEL_ANONYMOUS = 0x0;

    /**
     * 
     */

     * 
     * Depending on the usage scenario, this may have some benefit as there won't be any delays for restablishing these
     * resources, however comes at the cost of having to properly release all SmbFile instances you no longer need.
     * 
     * @return whether to use strict resource lifecycle
     */
    boolean isStrictResourceLifecycle ();


    /**

     * @return input stream, needs to be closed when finished
     * @throws CIFSException
     */
    InputStream openInputStream () throws CIFSException;


    /**
     * Close/release the file
     * 
     * This releases all resources that this file holds. If not using strict mode this is currently a no-op.
     *
     * @see java.lang.AutoCloseable#close()
     */
    @Override
    void close ();