javauis/mmapi_qt/baseline/javasrc/com/nokia/microedition/media/protocol/ProtocolFactory.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_qt/baseline/javasrc/com/nokia/microedition/media/protocol/ProtocolFactory.java Fri May 14 15:47:24 2010 +0300
@@ -0,0 +1,82 @@
+/*
+* Copyright (c) 2005 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:
+*
+*/
+
+
+package com.nokia.microedition.media.protocol;
+
+import com.nokia.microedition.media.InternalPlayer;
+import com.nokia.microedition.media.Locator;
+import javax.microedition.media.MediaException;
+
+/**
+ * Factory for creating the Protocols
+ */
+public class ProtocolFactory
+{
+ private Protocol iConnectorProtocol = null;
+
+ public static final String PROTOCOL_CLASS_NAME = ".Protocol";
+ public static final String PROTOCOL_BASE_PACKAGE =
+ "com.nokia.microedition.media.protocol.";
+
+ /**
+ * Constructor
+ */
+ public ProtocolFactory()
+ {
+ iConnectorProtocol = new ConnectorProtocol();
+ }
+
+ /**
+ * Factory method for creating player from locator
+ * Tries to load assosiated <code>Protocol</code> first, if this fails
+ * then we try to create player by using <code>Connector</code>
+ * @param aLocator Media locator
+ * @return Player according to locator or null if cannot create
+ */
+ public InternalPlayer createPlayer(Locator aLocator)
+ throws java.io.IOException,
+ MediaException,
+ java.lang.SecurityException
+ {
+ InternalPlayer player = null;
+ try
+ {
+ Class protocolClass =
+ Class.forName(PROTOCOL_BASE_PACKAGE +
+ aLocator.getProtocol() + PROTOCOL_CLASS_NAME);
+ Protocol protocol = (Protocol)protocolClass.newInstance();
+ player = protocol.createPlayer(aLocator);
+ }
+ catch (InstantiationException ie)
+ {
+ throw new MediaException("Instantiation failed: " + ie);
+ }
+ catch (IllegalAccessException iae)
+ {
+ throw new MediaException("Illegal access: " + iae);
+ }
+ catch (ClassNotFoundException cnfe)
+ {
+ // we did not find specified Protocol, trying to create player
+ // with connector
+ player = iConnectorProtocol.createPlayer(aLocator);
+ }
+ return player;
+ }
+}
+