author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 00:10:53 +0300 | |
changeset 79 | 2f468c1958d0 |
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/* |
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: This class is used to mark and seek the inputstream. At present it is |
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* implemented to mark and seek to the front of the stream and not anywhere |
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* in the middle as the use case only demands such a beahaviour. |
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* |
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*/ |
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package com.nokia.microedition.media; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import com.nokia.mj.impl.utils.Logger; |
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/** |
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* Class InputStreamSeekControl used to mark and seek the inputstream |
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*/ |
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public class InputStreamSeekControl implements SeekControl |
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{ |
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private InputStream iInputStream; |
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/** |
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* Constructor |
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*/ |
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public InputStreamSeekControl() |
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{ |
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iInputStream = null; |
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} |
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/* |
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* Constructor |
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* @param aInputStream - inputstream used by the InputStream class |
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* that needs to be marked and streamed |
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*/ |
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public InputStreamSeekControl(InputStream aInputStream) |
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{ |
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iInputStream = aInputStream; |
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if (iInputStream.markSupported() == true) |
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{ |
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iInputStream.mark(0); |
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} |
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} |
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/* |
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* Method seeks to the start of the inputstream. |
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* @param aWhere - is ignored as the seeking takes place to |
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* the begining always |
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*/ |
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public void seek(int aWhere) throws IOException |
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{ |
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Logger.LOG(Logger.EJavaMMAPI, Logger.EInfo,"MMA::InputStreamSeekControl - seek +"); |
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if (iInputStream.markSupported() == true) |
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{ |
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iInputStream.reset(); |
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} |
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Logger.LOG(Logger.EJavaMMAPI, Logger.EInfo,"MMA::InputStreamSeekControl - seek -"); |
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} |
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public void close() |
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{ |
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// intentionally left blank |
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} |
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} |