/*

 * 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:

 *

 * Octal parameter

 *

 */

package com.nokia.trace.dictionary.model.decodeparameters;

import java.nio.ByteBuffer;

import java.util.List;

/**

 * Octal parameter

 */

public class OctalParameter extends DecodeParameter {

	/**

	 * Size of the octal

	 */

	private int size;

	/**

	 * Constructor

	 * 

	 * @param type

	 *            type

	 * @param hidden

	 *            hidden

	 * @param size

	 *            size

	 */

	public OctalParameter(String type, boolean hidden, int size) {

		super(type, hidden);

		this.size = size;

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see

	 * com.nokia.trace.dictionary.model.decodeparameters.DecodeParameter#decode

	 * (java.nio.ByteBuffer, int, java.lang.StringBuffer, int, int,

	 * java.util.List)

	 */

	@Override

	public int decode(ByteBuffer dataFrame, int offset,

			StringBuffer traceString, int dataStart, int dataLength,

			List<String> parameterList) {

		// Check that there is enough data left in the buffer

		int bytesRemaining = dataLength - (offset - dataStart);

		if (bytesRemaining < size) {

			postDataMissingEvent(traceString, bytesRemaining, size);

		} else {

			int data = 0;

			if (size == ONE_BYTE) {

				data = DecodeUtils.getIntegerFromBuffer(dataFrame, offset,

						ONE_BYTE);

				String octalString = Integer.toOctalString(data);

				traceString.append(octalString);

				parameterList.add(octalString);

			} else if (size == TWO_BYTES) {

				data = DecodeUtils.getIntegerFromBuffer(dataFrame, offset,

						TWO_BYTES);

				String octalString = Integer.toOctalString(data);

				traceString.append(octalString);

				parameterList.add(octalString);

			} else if (size == FOUR_BYTES) {

				data = DecodeUtils.getIntegerFromBuffer(dataFrame, offset,

						FOUR_BYTES);

				String octalString = Integer.toOctalString(data);

				traceString.append(octalString);

				parameterList.add(octalString);

			} else if (size == EIGHT_BYTES) {

				long bigData = DecodeUtils.getLongFromBuffer(dataFrame, offset,

						EIGHT_BYTES);

				String octalString = Long.toOctalString(bigData);

				traceString.append(octalString);

				parameterList.add(octalString);

			}

		}

		offset = offset + size;

		return offset;

	}

	/*

	 * (non-Javadoc)

	 * 

	 * @see

	 * com.nokia.trace.dictionary.model.decodeparameters.DecodeParameter#getSize

	 * ()

	 */

	@Override

	public int getSize() {

		return size;

	}

	/**

	 * Sets size

	 * 

	 * @param size

	 *            the size to set

	 */

	public void setSize(int size) {

		this.size = size;

	}

}