/*

* Copyright (c) 2007 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:  This class contains meta information about the theme.

 *

*/

package com.nokia.tools.themeinstaller.odtconverter;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.util.Hashtable;

/**

 * This class contains meta information about the theme.

 */

public class ODTHeader extends Hashtable

    {

    // Default serial version UID

    private static final long serialVersionUID = 1L;

    // Header fields

    public static final String ApplicationUID = "ApplicationUID";

    public static final String ProviderUID = "ProviderUID";

    public static final String ThemeUID = "ThemeUID";

    public static final String ProviderName = "ProviderName";

    public static final String ThemeFullName = "ThemeFullName";

    public static final String ThemeShortName = "ThemeShortName";

    public static final String ThemeVersion = "ThemeVersion";

    public static final String ScreenSizeX = "ScreenSizeX";

    public static final String ScreenSizeY = "ScreenSizeY";

    public static final String Language = "Language";

    public static final String Flags = "Flags";

    /**

     * Gets binary representation of ODTHeader

     * @return binary representation of ODTHeader

     * @throws IOException if stream I/O fails

     * @throws ODTException if header externalization fails

     */

    public byte[] getBinaryODTHeader() throws IOException, ODTException

        {

        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        ODTDataOutputStream dos = new ODTDataOutputStream( baos );

        byte[] binaryODTHeader = null;

        try

            {

            // Externalize header contents to the byte stream

            if(null!=get(ApplicationUID))

        	dos.writeUnsignedInt32( ( ( Long )get( ApplicationUID ) ).longValue() );

            if(null!=get(ProviderUID))

            dos.writeUnsignedInt32( ( ( Long )get( ProviderUID ) ).longValue() );

            if(null!=get(ThemeUID))

            dos.writeUnsignedInt32( ( ( Long )get( ThemeUID ) ).longValue() );

            if(null!=get(ProviderName))

            dos.writeString16( ( String )get( ProviderName ) );

            if(null!=get(ThemeFullName))

            dos.writeString16( ( String )get( ThemeFullName ) );

            if(null!=get(ThemeShortName))

            dos.writeString16( ( String )get( ThemeShortName ) );

            if(null!=get(ThemeVersion))

            dos.writeString16( ( String )get( ThemeVersion ) );

            dos.writeInt32( ( ( Integer )get( ScreenSizeX ) ).intValue() );

            dos.writeInt32( ( ( Integer )get( ScreenSizeY ) ).intValue() );

            dos.writeInt32( ( ( Integer )get( Language ) ).intValue() );

            dos.writeInt32( ( ( Integer )get( Flags ) ).intValue() );

            binaryODTHeader = baos.toByteArray();

            }

        catch( Exception e )

            {

            throw new ODTException( e.getMessage() );

            }

        finally

            {

            // Close the streams

            if( dos != null )

                {

                dos.close();

                }

            if( baos != null )

                {

                baos.close();

                }

            }

        return binaryODTHeader;

        }

    }