javauis/mmapi_qt/baseline/javasrc/com/nokia/microedition/media/InputStreamSeekControl.java
changeset 23 98ccebc37403
child 72 1f0034e370aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_qt/baseline/javasrc/com/nokia/microedition/media/InputStreamSeekControl.java	Fri May 14 15:47:24 2010 +0300
@@ -0,0 +1,81 @@
+/*
+* 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:  This class is used to mark and seek the inputstream. At present it is
+*                implemented to mark and seek to the front of the stream and not anywhere
+*                in the middle as the use case only demands such a beahaviour.
+*
+*/
+
+
+package com.nokia.microedition.media;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * Class InputStreamSeekControl used to mark and seek the inputstream
+ */
+public class InputStreamSeekControl implements SeekControl
+{
+
+
+    private InputStream iInputStream;
+
+    /**
+     * Constructor
+     */
+    public InputStreamSeekControl()
+    {
+
+        iInputStream = null;
+    }
+
+    /*
+     * Constructor
+     * @param aInputStream - inputstream used by the InputStream class
+     *                       that needs to be marked and streamed
+     */
+    public InputStreamSeekControl(InputStream aInputStream)
+    {
+
+        iInputStream = aInputStream;
+
+        if (iInputStream.markSupported() == true)
+        {
+            iInputStream.mark(0);
+        }
+    }
+
+    /*
+     * Method seeks to the start of the inputstream.
+     * @param aWhere - is ignored as the seeking takes place to
+     *                 the begining always
+     */
+    public void seek(int aWhere) throws IOException
+    {
+
+
+        if (iInputStream.markSupported() == true)
+        {
+            iInputStream.reset();
+        }
+    }
+
+    public void close()
+    {
+
+        // intentionally left blank
+    }
+
+}