}
    }

    /**
     * <code>type</code>の実際の型を返します。
     * <ul>
     * <li><code>type</code>が<code>Class</code>の場合はそのまま返します。</li>
     * <li><code>type</code>がパラメータ化された型の場合はその原型を返します。</li>
     * <li><code>type</code>がワイルドカード型の場合は(最初の)上限境界を返します。</li>
     * <li><code>type</code>が型変数で引数{@code map}のキーとして含まれている場合はその変数の実際の型引数を返します。</li>
     * <li><code>type</code>が型変数で引数{@code map}のキーとして含まれていない場合は(最初の)上限境界を返します。</li>

 * instantiated. Similar to <code>System</code> properties the namespace
 * is global therefore property names should be unique. Before use,
 * the <code>load</code> method should be called with the name of a
 * <code>Properties</code> file (or <code>null</code> indicating no
 * file) to initialize the <code>Config</code>. The <code>System</code>
 * properties will then populate the <code>Config</code> as well potentially

    }

    /**
     * 文字列が<code>null</code>または空文字列なら<code>true</code>を返します。
     *
     * @param text
     *            文字列
     * @return 文字列が<code>null</code>または空文字列なら<code>true</code>
     */
    public static final boolean isEmpty(final String text) {
        return text == null || text.length() == 0;
    }

    /**
     * 文字列が<code>null</code>でも空文字列でもなければ<code>true</code>を返します。
     *
     * @param text

        if (url != null) {
            return url;
        }
        throw new ResourceNotFoundRuntimeException(getResourcePath(path, extension));
    }

    /**
     * コンテキストクラスローダからリソースを返します。見つからなかった場合は<code>null</code>を返します。
     *
     * @param path
     *            リソースのパス。{@literal null}や空文字列であってはいけません
     * @return リソースの{@link URL}
     * @see #getResourceNoException(String, String)
     */

    private ASN1ObjectIdentifier selectedMech;
    private ASN1ObjectIdentifier[] remoteMechs;

    private boolean disableMic;
    private boolean requireMic;


    /**
     * Instance a <code>SpnegoContext</code> object by wrapping a {@link SSPContext}
     * with the same mechanism this {@link SSPContext} used.
     * 
     * @param source
     *            the {@link SSPContext} to be wrapped
     */

import jcifs.smb1.util.LogStream;

/**
 * <p>Under normal conditions it is not necessary to use
 * this class to use jCIFS properly. Name resolusion is
 * handled internally to the <code>jcifs.smb1.smb1</code> package.
 * <p>
 * This class is a wrapper for both {@link jcifs.smb1.netbios.NbtAddress}
 * and {@link java.net.InetAddress}. The name resolution mechanisms

// DesCipher - the DES encryption method
//
// The meat of this code is by Dave Zimmerman <******@****.***>, and is:
//
// Copyright (c) 1996 Widget Workshop, Inc. All Rights Reserved.
//
// Permission to use, copy, modify, and distribute this software
// and its documentation for NON-COMMERCIAL or COMMERCIAL purposes and
// without fee is hereby granted, provided that this copyright notice is kept
// intact.
//

            /* Yes, there is the potential to drop packets
             * because we might close the socket during a
             * request. However the chances are slim and the
             * retry code should ensure the overall request
             * is serviced. The alternative complicates things
             * more than I think is worth it.
             */

            if( socket != null ) {

                log.info("Failed to send node status request for " + addr, ioe);
                throw new UnknownHostException(addr.toString());
            }
            if ( response.received && response.resultCode == 0 ) {

                /*
                 * For name queries resolved by different sources (e.g. WINS,
                 * BCAST, Node Status) we need to augment the hashcode generated

 *
 * @author shot
 */
public abstract class AssertionUtil {

    /**
     * 引数が<code>null</code>でないことを表明します。
     *
     * @param argName
     *            {@code null} であってはならない引数の名前
     * @param argValue
     *            引数の値
     * @throws NullArgumentException
     *             引数が<code>null</code>の場合。
     */
    public static void assertArgumentNotNull(final String argName, final Object argValue) {