/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

package com.nokia.mj.impl.security.midp.authorization;

import com.nokia.mj.impl.utils.Uid;

import com.nokia.mj.impl.security.midp.common.UserSecuritySettings;

import com.nokia.mj.impl.security.midp.storage.SecurityStorage;

/**

 * Manages (stores, retrieves) the MIDlet suite's security settings

 * (allowed and current settings) related to prompting/user interaction.

 */

public final class UserSecuritySettingsModule

{

    /**

     * Creates an instance of the UserSecuritySettingsModule

     *

     * @return An instance of UserSecuritySettingsModule

     */

    public static UserSecuritySettingsModule createInstance()

    {

        if (self == null)

        {

            self = new UserSecuritySettingsModule();

        }

        return self;

    }

    /**

     * Retrieves some particular security settings identified by name,

     * settings associated to a particular MIDlet suite

     *

     * @param msUID = the UID of the MIDlet suite whose user setings are

     *                retrieved

     * @param settingsName = The name of the settings to be retrieved

     * @return The security settings

     */

    public UserSecuritySettings getUserSecuritySettings(

        Uid msUID,

        String settingsName)

    {

        return storage.readUserSecuritySettings(msUID, settingsName);

    }

    /**

     * Retrieves all the security settings associated to a particular

     * MIDlet suite

     *

     * @param msUID = the UID of the MIDlet suite whose user setings are

     *                retrieved

     * @return A list of all the security settings associated to a particular

     * MIDlet suite

     */

    public UserSecuritySettings[] getUserSecuritySettings(Uid msUID)

    {

        return storage.readUserSecuritySettings(msUID);

    }

    /**

     * Associates some security settings with a particular MIDlet suite.

     *

     * @param msUID = the UID of the MIDlet suite whose user setings are

     *                being set

     * @param settings = The security settings to be associated to a particular

     *                   MIDlet suite. Actually only the currentInteractionMode

     *                   of a particular setting can be changed, but for

     *                   clarity the UserSecuritySettings has been preferred

     *                   instead of a type corresponding to the

     *                   currentInteractionMode only

     */

    public void setUserSecuritySettings(

        Uid msUID,

        UserSecuritySettings settings)

    {

        storage.writeUserSecuritySettings(msUID,

                                          settings.getName(), settings.getCurrentInteractionMode());

    }

    private UserSecuritySettingsModule()

    {

        storage = new SecurityStorage();

    }

    // self

    private static UserSecuritySettingsModule self;

    // storage

    private SecurityStorage storage;

}