--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xml/xmlfw/src/customresolver/customresolver.cpp	Thu Dec 17 09:29:21 2009 +0200
@@ -0,0 +1,128 @@
+// Copyright (c) 2005-2009 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:
+// Customized ECOM resolver for XML plugin parsers
+// 
+//
+
+/**
+ @file
+ @internalComponent
+*/
+
+#include <e32std.h>
+#include <ecom/implementationinformation.h>
+
+#include <xml/xmlframeworkerrors.h>
+#include <xml/xmlframeworkconstants.h>
+#include <xml/matchdata.h>
+
+#include "customresolver.h"
+
+using namespace Xml;
+
+/**
+Class constructor.
+
+@param aRegistry Gives the resolver access to a list of implementations of an interface.
+*/
+CCustomResolver::CCustomResolver(MPublicRegistry& aRegistry)
+	:CResolver(aRegistry)
+{
+	
+}
+
+/**
+Creates the instance of CCustomResolver class. 
+
+@param aRegistry Gives the resolver access to a list of implementations of an interface.
+
+@leave KErrNoMemory If there is not enough memory to create an object
+*/
+
+CCustomResolver* CCustomResolver::NewL(MPublicRegistry& aRegistry)
+{
+	return new (ELeave) CCustomResolver(aRegistry);
+}
+	
+/**
+Object destructor.
+*/
+CCustomResolver::~CCustomResolver()
+{
+
+}
+
+/**
+Identifies required parsers. 
+
+@param aInterfaceUid 			Interface UID of required parser
+@param aAdditionalParameters	Additional parameters for parser resolver 
+
+@return Parser's Uid or KNullUid if parser isn't found. 
+
+@leave KErrNoMemory 			If there is not enough memory to create 
+							necessary objects
+								
+@leave KErrArgument 			If incorrect or partial information is provided 
+							for parser resolution
+								
+@leave KErrXmlMoreThanOneParserMatched 	
+							If Xml framework narrowed down the query 
+							to many parsers and a user requested to leave 
+							in such case (LeaveOnMany flag set). 
+								
+*/
+TUid CCustomResolver::IdentifyImplementationL(TUid aInterfaceUid, const TEComResolverParams& aAdditionalParameters) const
+	
+{
+	// Unpack user matching criteria.
+	// Externalized CMatchData object is stored in a heap based buffer as a stream. 
+	// Buffer pointer is stored in data type attribute of aAdditionalParameters
+	// Specialized NewL method creates a CMatchData object based on that pointer. 
+	CMatchData* criteria = CMatchData::NewL(aAdditionalParameters.DataType());
+	CleanupStack::PushL(criteria);
+	
+	// Verify input data
+	// Mime type string is a mandatory field for parser resolution
+	if (criteria->MimeType().Length() == 0 )
+		User::Leave(KErrArgument);
+	
+	// This method is designed for plugin parser resolution only
+	if (aInterfaceUid != KParserInterfaceUid)
+		User::Leave(KErrArgument);
+	
+	// Use the CResolver method to create an array, so that we get proper cleanup behaviour
+	RImplInfoArray& implInfo = CResolver::ListAllL(aInterfaceUid);
+	
+	// Run the resolution process
+	TUid uid = criteria->ResolveL(implInfo);
+	
+	//clean up
+	CleanupStack::PopAndDestroy(criteria);
+	implInfo.Close();
+	return uid;
+}
+ 
+ 
+/**
+The ListAllL method is not supported by this customized resolver.
+
+@leave KErrNotSupported 
+*/	
+RImplInfoArray* CCustomResolver::ListAllL(TUid /*aInterfaceUid*/, const TEComResolverParams& /*aAdditionalParameters */) const
+{
+	User::Leave(KErrNotSupported);
+	return NULL; 
+}
+