/*

* Copyright (c) 2010 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.rt.midp;

import java.io.InputStream;

import java.io.IOException;

import java.util.Enumeration;

import java.util.Hashtable;

import com.nokia.mj.impl.fileutils.FileUtility;

import com.nokia.mj.impl.utils.exception.InvalidAttributeException;

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

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

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

import com.nokia.mj.impl.rt.support.Jvm;

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

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

import com.nokia.mj.impl.rt.support.ApplicationInfo;

/**

 * A utility class for reading the standalone MIDlet specfic data from Jar and

 * Jad file (if Jad provided).

 */

final class SaMidletInfoProvider

{

    /*** ----------------------------- PACKAGE ---------------------------- */

    /**

     * Sets the MidletInfo to contain a set of static data related to the

     * MIDlet.

     * @param midletInfo where to store the data.

     */

    static void setMidletStartArguments(MidletInfo midletInfo)

    {

        String[] tokens = Tokenizer.split(midletInfo.getAttribute("MIDlet-1"), ",");

        // Set the main class of the MIDlet.

        midletInfo.setMainClass(tokens[2].trim());

        // Set the name of the MIDlet.

        midletInfo.setName(tokens[0].trim());

        // Set the UID of the MIDlet suite.

        midletInfo.setSuiteUid(midletInfo.getUid());

        // Set the suite name of the MIDlet suite.

        midletInfo.setSuiteName(midletInfo.getName());

        // Set the vendor of the MIDlet suite.

        midletInfo.setVendor(midletInfo.getAttribute("MIDlet-Vendor"));

        // Set the version of the MIDlet suite.

        midletInfo.setVersion(midletInfo.getAttribute("MIDlet-Version"));

        // Set the protection domain of the MIDlet suite.

        midletInfo.setProtectionDomain(ApplicationInfo.MANUFACTURER_DOMAIN);

        // Set the drm info.

        midletInfo.setDrm(false);

    }

    /**

     * Sets the MidletInfo to contain MIDlet attributes stored from manifest

     * and jad file (if exists) during installation.

     * @param midletInfo where to store the attributes.

     */

    static void setMidletAttributes(MidletInfo midletInfo, String jadFile)

    {

        Hashtable jarAttributes = null;

        Hashtable jadAttributes = null;

        try

        {

            InputStream is = midletInfo.getClass().getResourceAsStream("/META-INF/MANIFEST.MF");

            jarAttributes = ManifestReader.getAttributes(is);

            is.close();

            is = null;

            if (jadFile != null)

            {

                try

                {

                    FileUtility fileUtil = new FileUtility(jadFile);

                    is = fileUtil.openInputStream();

                    jadAttributes = JadReader.getAttributes(is);

                    fileUtil = null;

                }

                catch (IOException ioe2)

                {

                    Log.logE("Error setting MIDlet attributes(jad) ", ioe2);

                    throw new StartupException("Error in start app: Getting MIDlet attributes from jad.", true);

                }

                finally

                {

                    if (is != null)

                    {

                        is.close();

                        is = null;

                    }

                }

            }

        }

        catch (IOException ioe)

        {

            Log.logE("Error setting MIDlet attributes ", ioe);

            throw new StartupException("Error in start app: Getting MIDlet attributes.", true);

        }

        try

        {

            MidpAttributeValidator validator = new MidpAttributeValidator();

            Enumeration e = validator.combine(jarAttributes, jadAttributes, false).elements();

            while (e != null && e.hasMoreElements())

            {

                Attribute attr = (Attribute)e.nextElement();

                midletInfo.addAttribute(attr.getName(), attr.getValue());

            }

        }

        catch (InvalidAttributeException iae)

        {

            Log.logE("Error validating MIDlet attributes ", iae);

            throw new StartupException("Error in start app: Validating MIDlet attributes. ", true);

        }

    }

}