/*

 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "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.carbide.cpp.internal.pi.util.config;

import java.io.IOException;

import java.net.URL;

import org.eclipse.emf.common.util.EList;

import org.eclipse.emf.common.util.URI;

import org.eclipse.emf.ecore.EObject;

import org.eclipse.emf.ecore.resource.Resource;

import com.nokia.carbide.cpp.internal.pi.util.config.gen.PIConfig.ButtonEventProfileListType;

import com.nokia.carbide.cpp.internal.pi.util.config.gen.PIConfig.DocumentRoot;

import com.nokia.carbide.cpp.internal.pi.util.config.gen.PIConfig.PIConfigFactory;

import com.nokia.carbide.cpp.internal.pi.util.config.gen.PIConfig.PIConfigPackage;

import com.nokia.carbide.cpp.internal.pi.util.config.gen.PIConfig.util.PIConfigResourceFactoryImpl;

public class PIConfigXMLLoader {

	static public ButtonEventProfileListType loadPiSettings (URL url) throws IOException {

		if (url == null)

			return null;

		// blank file could cause IOException, which is unnecessary. Just return blank model

		if (url.openStream().available() == 0) {

		}

		URI xmlURI = URI.createURI(url.toString());

		PIConfigResourceFactoryImpl resFactory = new PIConfigResourceFactoryImpl();

		Resource r = resFactory.createResource(xmlURI);

		r.load(null);

		EList<EObject> contents = r.getContents();

		DocumentRoot root = (DocumentRoot) contents.get(0);

		ButtonEventProfileListType list = root.getButtonEventProfileList();

		return list;

	}

	static public boolean writePiSettings(ButtonEventProfileListType list, URL url) throws IOException {

		if (url == null)

			return false;

		URI xmlURI = URI.createURI(url.toString());

		PIConfigResourceFactoryImpl resFactory = new PIConfigResourceFactoryImpl();

		Resource r = resFactory.createResource(xmlURI);

		EList<EObject> contents = r.getContents();

		DocumentRoot root = factory.createDocumentRoot();

		root.setButtonEventProfileList(list);

		contents.add(root);

		// write to disk

		r.save(null);

		return true;

	}

}