/*

* 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:

*

* Parser for component, group and trace

*

*/

package com.nokia.tracebuilder.engine.propertyfile;

import org.w3c.dom.Element;

import com.nokia.tracebuilder.engine.TraceBuilderErrorCodes.StringErrorParameters;

import com.nokia.tracebuilder.engine.TraceBuilderErrorCodes.TraceBuilderErrorCode;

import com.nokia.tracebuilder.model.TraceBuilderException;

/**

 * Parser for component, group and trace

 * 

 */

abstract class ObjectElementParser implements PropertyFileElementParser {

	/**

	 * Property file parser

	 */

	protected final PropertyFileParser propertyFileParser;

	/**

	 * Constructor

	 * 

	 * @param propertyFileParser

	 *            the parser

	 */

	ObjectElementParser(PropertyFileParser propertyFileParser) {

		this.propertyFileParser = propertyFileParser;

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see com.nokia.tracebuilder.engine.propertyfile.PropertyFileElementParser#

	 *      parse(java.lang.Object, org.w3c.dom.Element)

	 */

	public void parse(Object owner, Element element)

			throws TraceBuilderException {

		String name = element

				.getAttribute(PropertyFileConstants.NAME_ATTRIBUTE);

		if (name != null && name.length() > 0) {

			TraceObjectPropertyListImpl propertyList = findPropertyList(name);

			// Adds the properties to the object

			propertyFileParser.parseChildren(propertyList, element);

		} else {

			StringErrorParameters parameter = new StringErrorParameters();

			parameter.string = PropertyFileConstants.NAME_ATTRIBUTE;

			throw new TraceBuilderException(

					TraceBuilderErrorCode.PROPERTY_FILE_ATTRIBUTE_INVALID,

					parameter, null);

		}

	}

	/**

	 * Finds a property list by name

	 * 

	 * @param name

	 *            the name

	 * @return the property list

	 */

	abstract TraceObjectPropertyListImpl findPropertyList(String name);

}