/*

* 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:  Property value list for style property values.

 *

*/

package com.nokia.tools.themeinstaller.odtconverter;

import java.io.IOException;

import java.util.Enumeration;

import java.util.Vector;

public class PropertyValueList

    {

    // CONSTANTS

    private static int PROPERTY_VALUE_LIST_TYPE = 3;

    // Property item list

    private Vector iList;

    // Reference to the String Pool

    private StringPool iStringPool;

    /**

     * Constructor.

     */

    public PropertyValueList( StringPool aStringPool )

        {

        iStringPool = aStringPool;

        iList = new Vector();

        }

    /**

     * Create a new item and add it to the list.

     * @param aItem The new item

     */

    public PropertyValue newItem()

        {

        PropertyValue propVal = new PropertyValue( iStringPool );

        iList.add( propVal );

        return propVal;

        }

    /**

     * Remove an item from the list.

     * @param aItem Item to remove

     * @return true if the item was removed, otherwise false is returned

     */

    public boolean removeItem( PropertyValue aItem )

        {

        return iList.remove( aItem );

        }

    /**

     * Externalize the list to the stream.

     * @param aStream Target stream

     * @throws IOException if writing to a stream fails

     * @throws ODTException if writing to a stream fails

     */

    public void externalize( ODTDataOutputStream aStream )

        throws ODTException, IOException

        {

        // Write list type - int8

        aStream.writeByte( PROPERTY_VALUE_LIST_TYPE );

        // Write item count - int32

        aStream.writeInt32( iList.size() );

        Enumeration elements = iList.elements();

        // Write all property values

        while( elements.hasMoreElements() )

            {

            PropertyValue propVal = ( PropertyValue ) elements.nextElement();

            propVal.externalize( aStream );

            }

        }

    }