--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eapol/eapol_framework/eapol_symbian/am/eapvpnif/src/eap_vpn_if_resolver.cpp	Thu Dec 17 08:47:43 2009 +0200
@@ -0,0 +1,131 @@
+/*
+* 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 the License "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: Standard enrty point for a DLL.
+*
+*/
+
+
+// INCLUDE FILES
+#include <ecom/ecom.h>
+#include <ecom/ecomerrorcodes.h>
+#include <ecom/ecomresolverparams.h>
+#include <ecom/implementationinformation.h>
+#include <ecom/publicregistry.h>
+
+#include "eap_vpn_if_resolver.h"
+
+/// Creates an instance of CEapVpnInterfaceResolver
+CEapVpnInterfaceResolver* CEapVpnInterfaceResolver::NewL (MPublicRegistry& aRegistry)
+	{
+	return new(ELeave) CEapVpnInterfaceResolver (aRegistry);
+	}
+
+// Destructor.
+CEapVpnInterfaceResolver::~CEapVpnInterfaceResolver()
+	{
+	}
+
+/// Constructor of CEapVpnInterfaceResolver
+CEapVpnInterfaceResolver::CEapVpnInterfaceResolver (MPublicRegistry& aRegistry) :
+	CResolver (aRegistry)
+	{
+	}
+
+/// This method determines if it can find an appriate implementation
+/// requested
+TUid CEapVpnInterfaceResolver::IdentifyImplementationL(TUid aInterfaceUid,
+	const TEComResolverParams& aAdditionalParameters) const
+	{
+	// Aquire a list of implementations for a specific implementation defintion
+	RImplInfoArray& implementationsInfo = iRegistry.ListImplementationsL (
+		aInterfaceUid);
+	TUid found = KNullUid;
+
+	if (implementationsInfo.Count())
+		{
+		found = Resolve (implementationsInfo, aAdditionalParameters);
+		}
+	return found;
+	}
+
+/// This method iterates through a list of RImplInfoArray() objects to
+/// find the most appropriate implementation.
+TUid CEapVpnInterfaceResolver::Resolve(const RImplInfoArray& aImplementationsInfo,
+	const TEComResolverParams& aAdditionalParameters) const
+	{
+	const TInt count = aImplementationsInfo.Count();
+	for (TInt i = 0; i < count; ++i)
+		{
+		const CImplementationInformation& impData = *aImplementationsInfo[i];
+
+		// Checks each item in the list to see if theres a match.
+		if (Match (impData.DataType(), aAdditionalParameters.DataType(),
+			aAdditionalParameters.IsWildcardMatch()))
+			{
+			// Returns the Uid of the interface
+			return impData.ImplementationUid();
+			}
+		}
+
+	// Nothing found
+	return KNullUid;
+	}
+
+/// Lists all the implementations of the specified interface definition that
+/// satisfy the supplied resolution parameters.
+RImplInfoArray* CEapVpnInterfaceResolver::ListAllL(TUid aInterfaceUid,
+	const TEComResolverParams& aAdditionalParameters) const
+	{
+	RImplInfoArray* retList = new(ELeave) RImplInfoArray;
+	CleanupStack::PushL (retList);
+
+	RImplInfoArray& fullList = iRegistry.ListImplementationsL (aInterfaceUid);
+
+	const TBool useWildcards = aAdditionalParameters.IsWildcardMatch();
+	const TDesC8& matchType = aAdditionalParameters.DataType();
+	const TInt numImps = fullList.Count();
+
+	// Iterates through each item in the list to determine the correct
+	// interfaces to select.
+	for (TInt i = 0; i < numImps; ++i)
+		{
+		if (Match (fullList[i]->DataType(), matchType, useWildcards))
+			{
+			// Adds interface to the list.
+			User::LeaveIfError (retList->Append (fullList[i]));
+			}
+		}
+
+	CleanupStack::Pop (retList);
+
+	return retList;
+	}
+
+/// The first two parameters is used for comparaison between the two interfaces
+/// and the third parameter is used to determine the use of wild cards or not.
+TBool CEapVpnInterfaceResolver::Match(const TDesC8& aImplementationType,
+	const TDesC8& aMatchType, TBool aUseWildcards) const
+	{
+	TInt matchPos = KErrNotFound;
+
+	// If wild cards have been set, it will use the correct method to determine
+	// the correct interface.
+	if (aUseWildcards)
+			matchPos = aImplementationType.MatchF (aMatchType);
+	else
+			matchPos = aImplementationType.CompareF (aMatchType);
+
+	return matchPos != KErrNotFound;
+	}
+