/*

 * Copyright (c) 2007-2010 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:

 *

 * Imports general configuration from XML file

 *

 */

package com.nokia.traceviewer.engine.preferences;

import java.io.File;

import org.w3c.dom.Document;

import org.w3c.dom.Element;

import org.w3c.dom.Node;

import org.w3c.dom.NodeList;

import com.nokia.traceviewer.action.OpenDecodeFileAction;

import com.nokia.traceviewer.engine.TraceViewerGlobals;

/**

 * Imports general configuration from XML file

 */

public class XMLGeneralConfigurationImporter extends

		XMLBaseConfigurationImporter {

	/**

	 * Constructor

	 * 

	 * @param configurationFileName

	 *            file name where to import data from

	 * @param pathRelative

	 *            tells is the path relative

	 */

	public XMLGeneralConfigurationImporter(String configurationFileName,

			boolean pathRelative) {

		super(null, configurationFileName, pathRelative);

	}

	/**

	 * Imports data

	 */

	public void importData() {

		File file = new File(filePath);

		if (file.exists()) {

			Document doc = getDocument();

			if (doc != null) {

				// Get lineCount node from the XML file

				NodeList list = doc.getElementsByTagName(GENERAL_TAG);

				Node parent = list.item(0);

				// Import configurations

				if (parent != null) {

					NodeList children = parent.getChildNodes();

					for (int i = 0; i < children.getLength(); i++) {

						if (children.item(i) instanceof Element) {

							processItems(children.item(i));

						}

					}

				}

			}

		}

	}

	/**

	 * Import configurations

	 * 

	 * @param node

	 *            Configuration node

	 */

	private void processItems(Node node) {

		// Decode file

		if (node.getNodeName().equals(DECODEFILE_TAG)) {

			processDecodeFile(node);

		}

	}

	/**

	 * Processes decode file node

	 * 

	 * @param node

	 *            node to be processed

	 */

	private void processDecodeFile(Node node) {

		String path = node.getTextContent();

		if (path != null && !path.equals("")) { //$NON-NLS-1$

			OpenDecodeFileAction action = (OpenDecodeFileAction) TraceViewerGlobals

					.getTraceViewer().getView().getActionFactory()

					.getOpenDecodeFileAction();

			action.addOpenInStartupDictionary(path);

		}

	}

}