/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the Netscape Security Services for Java.
 *
 * The Initial Developer of the Original Code is
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 * Portions created by the Initial Developer are Copyright (C) 1998-2000
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
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package org.mozilla.jss.pkcs11;

import org.mozilla.jss.util.Assert;
import java.util.Enumeration;
import java.util.Vector;

public final class PK11Module {

    private PK11Module() {
        Assert.notReached("PK11Module default constructor");
    }

    /**
     * This constructor should only be called from native code.
     */
    private PK11Module(byte[] pointer) {
        Assert._assert(pointer!=null);
        moduleProxy = new ModuleProxy(pointer);
        reloadTokens();
    }

    /**
     * Returns the common name of this module.
     */
    public native String getName();

    /**
     * Returns the name of the shared library implementing this module.
     */
    public native String getLibraryName();

    /**
     * Get the CryptoTokens provided by this module.
     *
     * @return An enumeration of CryptoTokens that come from this module.
     */
    public synchronized Enumeration getTokens() {
        return tokenVector.elements();
    }

    /**
     * Re-load the list of this module's tokens. This function is private
     * to JSS.
     */
    public synchronized void reloadTokens() {
        tokenVector = new Vector();
        putTokensInVector(tokenVector);
    }

    private native void putTokensInVector(Vector tokens);

    private Vector tokenVector;
    private ModuleProxy moduleProxy;
}
