/**
     * Retrieve a <code>long</code>. If the key does not exist or
     * cannot be converted to a <code>long</code>, the provided default
     * argument will be returned.
     */
    public static long getLong ( Properties props, String key, long def ) {
        String s = props.getProperty(key);
        if ( s != null ) {
            try {
                def = Long.parseLong(s);
            }

        this.vcNumber = 1;

        this.dfsDisabled = Config.getBoolean(p, "jcifs.smb.client.dfs.disabled", false);
        this.dfsTTL = Config.getLong(p, "jcifs.smb.client.dfs.ttl", 300);
        this.dfsStrictView = Config.getBoolean(p, "jcifs.smb.client.dfs.strictView", false);
        this.dfsConvertToFqdn = Config.getBoolean(p, "jcifs.smb.client.dfs.convertToFQDN", false);

                    return this._domains.map;
                }
            }
        }
        catch ( IOException ioe ) {
            if ( log.isDebugEnabled() ) {
                log.debug("getting trusted domains failed: " + tf.getCredentials().getUserDomain(), ioe);
            }
            CacheEntry<Map<String, CacheEntry<DfsReferralDataInternal>>> entry = new CacheEntry<>(tf.getConfig().getDfsTtl() * 10L);

        }
    }

    static LogStream log = LogStream.getInstance();
    static final boolean strictView = Config.getBoolean("jcifs.smb1.smb.client.dfs.strictView", false);
    static final long TTL = Config.getLong("jcifs.smb1.smb.client.dfs.ttl", 300);
    static final boolean DISABLED = Config.getBoolean("jcifs.smb1.smb.client.dfs.disabled", false);

    protected static CacheEntry FALSE_ENTRY = new Dfs.CacheEntry(0L);

    /**
     * Retrieve a <code>long</code>. If the key does not exist or
     * cannot be converted to a <code>long</code>, the provided default
     * argument will be returned.
     */

    public static long getLong( String key, long def ) {
        String s = prp.getProperty( key );
        if( s != null ) {
            try {
                def = Long.parseLong( s );
            } catch( NumberFormatException nfe ) {

    static {

        try {
            Class.forName( "jcifs.smb1.Config" );
        } catch( ClassNotFoundException cnfe ) {
            cnfe.printStackTrace();
        }
        attrExpirationPeriod = Config.getLong( "jcifs.smb1.smb.client.attrExpirationPeriod", DEFAULT_ATTR_EXPIRATION_PERIOD );
        ignoreCopyToException = Config.getBoolean( "jcifs.smb1.smb.client.ignoreCopyToException", true );
        dfs = new Dfs();
    }