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// -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
 */
package com.sun.star.comp.helper;

import com.sun.star.uno.UnoRuntime;
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.lang.XSingleServiceFactory;
import com.sun.star.registry.XRegistryKey;

/**
 * @deprecated use class Bootstrap bootstrapping a native UNO installation
 *             and use the shared library loader service.
 *
 * The SharedLibraryLoader class provides the functionality of the com.sun.star.loader.SharedLibrary
 * service.
 *
 * See also UNOIDL com.sun.star.lang.ServiceManager.
 *
 * @see         com.sun.star.loader.SharedLibrary
 */
@Deprecated
public class SharedLibraryLoader {
    /**
     * The default library which contains the SharedLibraryLoader component
     */
    public static final String DEFAULT_LIBRARY = "shlibloader.uno";

    /**
     * The default implementation name
     */
    public static final String DEFAULT_IMPLEMENTATION = "com.sun.star.comp.stoc.DLLComponentLoader";

    static {
        if ("The Android Project".equals(System.getProperty("java.vendor"))) {
            // See corresponding code in
            // javaunohelper/com/sun/star/comp/helper/Bootstrap.java for more
            // comments.

            boolean disable_dynloading = false;
            try {
                System.loadLibrary("lo-bootstrap");
            } catch (UnsatisfiedLinkError e) {
                disable_dynloading = true;
            }

            if (!disable_dynloading)
                System.loadLibrary("juh");
        } else
            System.loadLibrary("juh");
    }

    private static native boolean component_writeInfo(
            String libName, XMultiServiceFactory smgr, XRegistryKey regKey,
            ClassLoader loader );

    private static native Object component_getFactory(
            String libName, String implName, XMultiServiceFactory smgr,
            XRegistryKey regKey, ClassLoader loader );

    /**
     * Supplies the ServiceFactory of the default SharedLibraryLoader.
     * The defaults are "shlibloader.uno"
     * for the library and "com.sun.star.comp.stoc.DLLComponentLoader"
     * for the component name.
     *
     * See also UNOIDL com.sun.star.lang.ServiceManager and
     * com.sun.star.registry.RegistryKey.
     *
     * @return  the factory for the "com.sun.star.comp.stoc.DLLComponentLoader" component.
     * @param   smgr    the ServiceManager
     * @param   regKey  the root registry key
     * @see     com.sun.star.loader.SharedLibrary
     */
    public static XSingleServiceFactory getServiceFactory(
                XMultiServiceFactory smgr,
                XRegistryKey regKey )
    {
        return UnoRuntime.queryInterface(
                    XSingleServiceFactory.class,
                    component_getFactory(
                        DEFAULT_LIBRARY, DEFAULT_IMPLEMENTATION, smgr, regKey,
                        SharedLibraryLoader.class.getClassLoader() ) );
    }

    /**
     * Loads and returns a specific factory for a given library and implementation name.
     *
     * See also UNOIDL com.sun.star.lang.ServiceManager and
     * com.sun.star.registry.RegistryKey.
     *
     * @return  the factory of the component
     * @param   libName the name of the shared library
     * @param   impName the implementation name of the component
     * @param   smgr    the ServiceManager
     * @param   regKey  the root registry key
     * @see     com.sun.star.loader.SharedLibrary
     */
    public static XSingleServiceFactory getServiceFactory(
                String libName,
                String impName,
                XMultiServiceFactory smgr,
                XRegistryKey regKey )
    {
        return UnoRuntime.queryInterface(
                    XSingleServiceFactory.class,
                    component_getFactory(
                        libName, impName, smgr, regKey,
                        SharedLibraryLoader.class.getClassLoader() ) );
    }

    /**
     * Registers the SharedLibraryLoader under a RegistryKey.
     *
     * See also UNOIDL com.sun.star.lang.ServiceManager and
     * com.sun.star.registry.RegistryKey.
     *
     * @return  true if the registration was successful - otherwise false
     * @param   smgr    the ServiceManager
     * @param   regKey  the root key under that the component should be registered
     * @see     com.sun.star.loader.SharedLibrary
     */
    public static boolean writeRegistryServiceInfo(
                com.sun.star.lang.XMultiServiceFactory smgr,
                com.sun.star.registry.XRegistryKey regKey )
    {
        return component_writeInfo(
            DEFAULT_LIBRARY, smgr, regKey,
            SharedLibraryLoader.class.getClassLoader() );
    }

    /**
     * Registers the SharedLibraryLoader under a RegistryKey.
     *
     * See also UNOIDL com.sun.star.lang.ServiceManager and
     * com.sun.star.registry.RegistryKey.
     *
     * @return  true if the registration was successful - otherwise false
     * @param   libName name of the shared library
     * @param   smgr    the ServiceManager
     * @param   regKey  the root key under that the component should be registered
     * @throws  com.sun.star.registry.InvalidRegistryException
     *          if the registry is not valid.
     *
     * @see     com.sun.star.loader.SharedLibrary
     */
    public static boolean writeRegistryServiceInfo(
                String libName,
                com.sun.star.lang.XMultiServiceFactory smgr,
                com.sun.star.registry.XRegistryKey regKey )

            throws  com.sun.star.registry.InvalidRegistryException,
                    com.sun.star.uno.RuntimeException
    {
        return component_writeInfo(
            libName, smgr, regKey, SharedLibraryLoader.class.getClassLoader() );
    }
}

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