1 /*

     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 * Factory class to create document interfaces

    17 *

    18 */

    19 package com.nokia.tracebuilder.utils;

    20 

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

    22 import com.nokia.tracebuilder.model.TraceBuilderException;

    23 import com.nokia.tracebuilder.source.SourceDocumentFactory;

    24 import com.nokia.tracebuilder.source.SourceDocumentMonitor;

    25 

    26 /**

    27  * Factory class to create document interfaces

    28  * 

    29  */

    30 public final class DocumentFactory {

    31 

    32 	/**

    33 	 * Document monitor

    34 	 */

    35 	private static SourceDocumentMonitor monitor;

    36 

    37 	/**

    38 	 * Document factory class

    39 	 */

    40 	private static Class<? extends SourceDocumentFactory> factoryClass;

    41 

    42 	/**

    43 	 * Registers a document framework to be used by the engine

    44 	 * 

    45 	 * @param monitor

    46 	 *            the document monitor

    47 	 * @param factoryClass

    48 	 *            the document factory class

    49 	 */

    50 	public static void registerDocumentFramework(SourceDocumentMonitor monitor,

    51 			Class<? extends SourceDocumentFactory> factoryClass) {

    52 		DocumentFactory.monitor = monitor;

    53 		DocumentFactory.factoryClass = factoryClass;

    54 	}

    55 

    56 	/**

    57 	 * Gets the document monitor

    58 	 * 

    59 	 * @return the monitor

    60 	 */

    61 	public static final SourceDocumentMonitor getDocumentMonitor() {

    62 		return monitor;

    63 	}

    64 

    65 	/**

    66 	 * Creates a document factory, which is not associated to a document monitor

    67 	 * 

    68 	 * @return the factory

    69 	 * @throws TraceBuilderException

    70 	 *             if factory cannot be created

    71 	 */

    72 	public static final SourceDocumentFactory createDocumentFactory()

    73 			throws TraceBuilderException {

    74 		SourceDocumentFactory retval = null;

    75 		try {

    76 			retval = factoryClass.newInstance();

    77 		} catch (Exception e) {

    78 			throw new TraceBuilderException(

    79 					TraceBuilderErrorCode.UNEXPECTED_EXCEPTION, e);

    80 		}

    81 		return retval;

    82 	}

    83 

    84 }