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 * Value element parser

    17 *

    18 */

    19 package com.nokia.tracecompiler.engine.propertyfile;

    20 

    21 import org.w3c.dom.Element;

    22 

    23 import com.nokia.tracecompiler.engine.TraceCompilerEngineErrorCodes.StringErrorParameters;

    24 import com.nokia.tracecompiler.engine.TraceCompilerEngineErrorCodes.TraceCompilerErrorCode;

    25 import com.nokia.tracecompiler.model.TraceCompilerException;

    26 import com.nokia.tracecompiler.model.TraceConstantTable;

    27 import com.nokia.tracecompiler.model.TraceModelExtension;

    28 

    29 /**

    30  * Value element parser

    31  * 

    32  */

    33 final class ValueElementParser implements PropertyFileElementParser {

    34 

    35 	/*

    36 	 * (non-Javadoc)

    37 	 * 

    38 	 * @see com.nokia.tracecompiler.engine.propertyfile.PropertyFileElementParser#

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

    40 	 */

    41 	public void parse(Object owner, Element element)

    42 			throws TraceCompilerException {

    43 		// Value element must be parsed within context of TraceConstantTable

    44 		// Struct has not yet been implemented

    45 		if (owner instanceof TraceConstantTable) {

    46 			parseConstantTableEntry((TraceConstantTable) owner, element);

    47 		} else {

    48 			StringErrorParameters parameter = new StringErrorParameters();

    49 			parameter.string = PropertyFileConstants.VALUE_ELEMENT;

    50 			throw new TraceCompilerException(

    51 					TraceCompilerErrorCode.PROPERTY_FILE_ELEMENT_MISPLACED,

    52 					parameter, null);

    53 		}

    54 	}

    55 

    56 	/**

    57 	 * Parses a constant table entry

    58 	 * 

    59 	 * @param table

    60 	 *            the constant table

    61 	 * @param element

    62 	 *            the table entry

    63 	 * @throws TraceCompilerException

    64 	 *             if entry is not valid

    65 	 */

    66 	private void parseConstantTableEntry(TraceConstantTable table,

    67 			Element element) throws TraceCompilerException {

    68 		String idstr = element.getAttribute(PropertyFileConstants.ID_ATTRIBUTE);

    69 		if (idstr != null) {

    70 			try {

    71 				int id = Integer.parseInt(idstr);

    72 				String value = element.getTextContent();

    73 				table.getModel().getVerifier().checkConstantProperties(table,

    74 						null, id, value);

    75 				// Document element reference is stored to the model

    76 				TraceModelExtension[] exts = new TraceModelExtension[] { new DocumentElementWrapper(

    77 						element) };

    78 				table.getModel().getFactory().createConstantTableEntry(table,

    79 						id, value, exts);

    80 			} catch (NumberFormatException e) {

    81 				StringErrorParameters parameter = new StringErrorParameters();

    82 				parameter.string = PropertyFileConstants.ID_ATTRIBUTE;

    83 				throw new TraceCompilerException(

    84 						TraceCompilerErrorCode.PROPERTY_FILE_ATTRIBUTE_INVALID,

    85 						parameter, null);

    86 			}

    87 		}

    88 	}

    89 }