/*

* 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:  Class for parsing operations

 *

*/

package com.nokia.tools.themeinstaller.odtconverter;

import java.io.IOException;

import java.util.Enumeration;

import java.util.Vector;

import org.w3c.dom.Document;

/**

 * This class provides a skeletal implementation of parsing operation

 */

public abstract class ParseOperation

    {

    /** Listener for parsing operations */

    IParseOperationListener iListener;

    /** All listeners */

    Vector iListeners = new Vector();

    /** DOM document */

    protected Document iDOMDocument;

    /**

     * Parses file to DOM Document.

     *

     * @throws IOException Signals that an I/O exception has occurred.

     * @throws ODTException the ODT exception

     */

    public abstract void parse( )

            throws IOException, ODTException;

    /**

     * Getter for DOM document

     * @return DOM document

     */

    public Document getDOMDocument()

        {

        return iDOMDocument;

        }

    /**

     * Adds the listener.

     * @param aListener IParseOperationListener

     */

    public void addListener( IParseOperationListener aListener )

        {

        iListeners.addElement( aListener );

        }

    /**

     * Calls OperationCompleted for all listeners

     * @param aErr

     * @param aReason

     */

    public void operationCompleted( int aErr, String aReason )

        {

        for ( Enumeration e = iListeners.elements(); e.hasMoreElements(); )

            {

            IParseOperationListener listener = ( IParseOperationListener ) e

                    .nextElement();

            listener.parseOperationCompleted( aErr, aReason );

            }

        }

    }