os/ossrv/lowlevellibsandfws/pluginfw/Framework/T_PlatSecResolver/T_PlatSecResolver.cpp
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/lowlevellibsandfws/pluginfw/Framework/T_PlatSecResolver/T_PlatSecResolver.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,179 @@
1.4 +// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// Implements a non-default resolver CExampleResolver.
1.18 +//
1.19 +//
1.20 +
1.21 +/**
1.22 + @internalComponent
1.23 + @file
1.24 +*/
1.25 +
1.26 +#include <ecom/ecom.h>
1.27 +
1.28 +#include "TestUtilities.h" // For __FILE__LINE__
1.29 +#include "ExampleResolver.h"
1.30 +#include "RegistryData.h"
1.31 +#include "ImplementationProxy.h"
1.32 +
1.33 +CExampleResolver* CExampleResolver::NewL(MPublicRegistry& aRegistry)
1.34 + {
1.35 + return new(ELeave) CExampleResolver(aRegistry);
1.36 + }
1.37 +
1.38 +CExampleResolver::~CExampleResolver()
1.39 + {
1.40 + if(iImplementationInfoArray)
1.41 + {
1.42 + iImplementationInfoArray->Reset();
1.43 + delete iImplementationInfoArray;
1.44 + }
1.45 + }
1.46 +
1.47 +CExampleResolver::CExampleResolver(MPublicRegistry& aRegistry)
1.48 +: CResolver(aRegistry)
1.49 + {
1.50 + // Do nothing here
1.51 + }
1.52 +
1.53 +TUid CExampleResolver::IdentifyImplementationL(TUid aInterfaceUid,
1.54 + const TEComResolverParams& aAdditionalParameters)const
1.55 + {
1.56 + RImplInfoArray& implementationsInfo = iRegistry.ListImplementationsL(aInterfaceUid);
1.57 + TUid found = KNullUid;
1.58 + if(implementationsInfo.Count())
1.59 + {
1.60 + found = Resolve(implementationsInfo, aAdditionalParameters);
1.61 + }
1.62 + return found;
1.63 + }
1.64 +
1.65 +TUid CExampleResolver::Resolve(const RImplInfoArray& aImplementationsInfo,
1.66 + const TEComResolverParams& aAdditionalParameters) const
1.67 + {
1.68 + // Loop through the implementations matching on type
1.69 + const TInt count = aImplementationsInfo.Count();
1.70 + for(TInt index = 0; index < count; ++index)
1.71 + {
1.72 + const CImplementationInformation& impData = *aImplementationsInfo[index];
1.73 + // As soon as we get a match on the datatype then return uid of the
1.74 + // implementation found.
1.75 + if (Match(impData.DataType(), // The Datatype of this implementation
1.76 + aAdditionalParameters.DataType(), // The type we are trying to find
1.77 + aAdditionalParameters.IsGenericMatch())) // If wildcards should be used
1.78 + return impData.ImplementationUid();
1.79 + }
1.80 +
1.81 + return KNullUid;
1.82 + }
1.83 +
1.84 +RImplInfoArray* CExampleResolver::ListAllL(TUid aInterfaceUid,
1.85 + const TEComResolverParams& aAdditionalParameters) const
1.86 + {
1.87 + // Use the member var to create the array so that we get proper cleanup behaviour
1.88 + iImplementationInfoArray = new(ELeave) RImplInfoArray;
1.89 + RImplInfoArray* retList = iImplementationInfoArray;
1.90 +
1.91 + RImplInfoArray& fullList = iRegistry.ListImplementationsL(aInterfaceUid);
1.92 +
1.93 + const TBool useWildcards = aAdditionalParameters.IsGenericMatch();
1.94 + const TDesC8& matchType = aAdditionalParameters.DataType();
1.95 + const TInt numImps = fullList.Count();
1.96 + for(TInt index = 0; index < numImps; ++index)
1.97 + {
1.98 + if(Match(fullList[index]->DataType(), matchType, useWildcards))
1.99 + {
1.100 + User::LeaveIfError(retList->Append(fullList[index]));
1.101 + }
1.102 + }
1.103 +
1.104 + // Reset the member variable because we are passing ownership back
1.105 + iImplementationInfoArray = NULL;
1.106 + return retList;
1.107 + }
1.108 +
1.109 +TBool CExampleResolver::Match(const TDesC8& aImplementationType,
1.110 + const TDesC8& aMatchType,
1.111 + TBool aUseWildcards) const
1.112 + {
1.113 + TInt matchPos = KErrNotFound;
1.114 +
1.115 + _LIT8(dataSeparator, "||");
1.116 + const TInt separatorLength = dataSeparator().Length();
1.117 +
1.118 + // Look for the section separator marker '||'
1.119 + TInt separatorPos = aImplementationType.Find(dataSeparator);
1.120 + if(separatorPos == KErrNotFound)
1.121 + {
1.122 + // Match against the whole string
1.123 + if(aUseWildcards)
1.124 + matchPos = aMatchType.Match(aImplementationType);
1.125 + else
1.126 + matchPos = aMatchType.Compare(aImplementationType);
1.127 + }
1.128 + else
1.129 + {
1.130 + // Find the first section, up to the separator
1.131 + TPtrC8 dataSection = aImplementationType.Left(separatorPos);
1.132 + TPtrC8 remainingData = aImplementationType.Mid(separatorPos + separatorLength);
1.133 + // Match against each section in turn
1.134 + while(separatorPos != KErrNotFound)
1.135 + {
1.136 + // Search this section
1.137 + if(aUseWildcards)
1.138 + matchPos = aMatchType.Match(dataSection);
1.139 + else
1.140 + matchPos = aMatchType.Compare(dataSection);
1.141 +
1.142 + // If we found it then no need to continue, so return
1.143 + if(matchPos != KErrNotFound)
1.144 + return ETrue;
1.145 +
1.146 + // Move on to the next section
1.147 + separatorPos = remainingData.Find(dataSeparator);
1.148 + if(separatorPos != KErrNotFound)
1.149 + {
1.150 + dataSection.Set(remainingData.Left(separatorPos));
1.151 + remainingData.Set(remainingData.Mid(separatorPos + separatorLength));
1.152 + }
1.153 + else
1.154 + dataSection.Set(remainingData);
1.155 + }
1.156 +
1.157 + // Check the final part
1.158 + if(aUseWildcards)
1.159 + matchPos = aMatchType.Match(dataSection);
1.160 + else
1.161 + matchPos = aMatchType.Compare(dataSection);
1.162 +
1.163 + }
1.164 + return matchPos != KErrNotFound;
1.165 + }
1.166 +
1.167 +// __________________________________________________________________________
1.168 +// Exported proxy for instantiation method resolution
1.169 +// Define the interface UIDs
1.170 +const TImplementationProxy ImplementationTable[] =
1.171 + {
1.172 + IMPLEMENTATION_PROXY_ENTRY(0x10244444,CExampleResolver::NewL),
1.173 + IMPLEMENTATION_PROXY_ENTRY(0x10999999,CExampleResolver::NewL)
1.174 + };
1.175 +
1.176 +EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
1.177 + {
1.178 + aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
1.179 +
1.180 + return ImplementationTable;
1.181 + }
1.182 +