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1 /* |
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2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of the License "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Standard enrty point for a DLL. |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include <ecom/ecom.h> |
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21 #include <ecom/ecomerrorcodes.h> |
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22 #include <ecom/ecomresolverparams.h> |
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23 #include <ecom/implementationinformation.h> |
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24 #include <ecom/publicregistry.h> |
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25 |
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26 #include "eap_vpn_if_resolver.h" |
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27 |
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28 /// Creates an instance of CEapVpnInterfaceResolver |
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29 CEapVpnInterfaceResolver* CEapVpnInterfaceResolver::NewL (MPublicRegistry& aRegistry) |
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30 { |
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31 return new(ELeave) CEapVpnInterfaceResolver (aRegistry); |
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32 } |
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33 |
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34 // Destructor. |
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35 CEapVpnInterfaceResolver::~CEapVpnInterfaceResolver() |
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36 { |
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37 } |
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38 |
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39 /// Constructor of CEapVpnInterfaceResolver |
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40 CEapVpnInterfaceResolver::CEapVpnInterfaceResolver (MPublicRegistry& aRegistry) : |
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41 CResolver (aRegistry) |
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42 { |
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43 } |
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44 |
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45 /// This method determines if it can find an appriate implementation |
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46 /// requested |
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47 TUid CEapVpnInterfaceResolver::IdentifyImplementationL(TUid aInterfaceUid, |
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48 const TEComResolverParams& aAdditionalParameters) const |
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49 { |
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50 // Aquire a list of implementations for a specific implementation defintion |
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51 RImplInfoArray& implementationsInfo = iRegistry.ListImplementationsL ( |
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52 aInterfaceUid); |
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53 TUid found = KNullUid; |
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54 |
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55 if (implementationsInfo.Count()) |
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56 { |
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57 found = Resolve (implementationsInfo, aAdditionalParameters); |
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58 } |
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59 return found; |
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60 } |
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61 |
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62 /// This method iterates through a list of RImplInfoArray() objects to |
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63 /// find the most appropriate implementation. |
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64 TUid CEapVpnInterfaceResolver::Resolve(const RImplInfoArray& aImplementationsInfo, |
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65 const TEComResolverParams& aAdditionalParameters) const |
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66 { |
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67 const TInt count = aImplementationsInfo.Count(); |
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68 for (TInt i = 0; i < count; ++i) |
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69 { |
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70 const CImplementationInformation& impData = *aImplementationsInfo[i]; |
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71 |
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72 // Checks each item in the list to see if theres a match. |
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73 if (Match (impData.DataType(), aAdditionalParameters.DataType(), |
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74 aAdditionalParameters.IsWildcardMatch())) |
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75 { |
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76 // Returns the Uid of the interface |
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77 return impData.ImplementationUid(); |
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78 } |
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79 } |
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80 |
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81 // Nothing found |
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82 return KNullUid; |
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83 } |
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84 |
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85 /// Lists all the implementations of the specified interface definition that |
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86 /// satisfy the supplied resolution parameters. |
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87 RImplInfoArray* CEapVpnInterfaceResolver::ListAllL(TUid aInterfaceUid, |
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88 const TEComResolverParams& aAdditionalParameters) const |
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89 { |
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90 RImplInfoArray* retList = new(ELeave) RImplInfoArray; |
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91 CleanupStack::PushL (retList); |
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92 |
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93 RImplInfoArray& fullList = iRegistry.ListImplementationsL (aInterfaceUid); |
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94 |
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95 const TBool useWildcards = aAdditionalParameters.IsWildcardMatch(); |
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96 const TDesC8& matchType = aAdditionalParameters.DataType(); |
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97 const TInt numImps = fullList.Count(); |
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98 |
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99 // Iterates through each item in the list to determine the correct |
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100 // interfaces to select. |
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101 for (TInt i = 0; i < numImps; ++i) |
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102 { |
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103 if (Match (fullList[i]->DataType(), matchType, useWildcards)) |
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104 { |
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105 // Adds interface to the list. |
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106 User::LeaveIfError (retList->Append (fullList[i])); |
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107 } |
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108 } |
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109 |
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110 CleanupStack::Pop (retList); |
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111 |
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112 return retList; |
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113 } |
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114 |
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115 /// The first two parameters is used for comparaison between the two interfaces |
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116 /// and the third parameter is used to determine the use of wild cards or not. |
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117 TBool CEapVpnInterfaceResolver::Match(const TDesC8& aImplementationType, |
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118 const TDesC8& aMatchType, TBool aUseWildcards) const |
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119 { |
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120 TInt matchPos = KErrNotFound; |
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121 |
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122 // If wild cards have been set, it will use the correct method to determine |
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123 // the correct interface. |
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124 if (aUseWildcards) |
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125 matchPos = aImplementationType.MatchF (aMatchType); |
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126 else |
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127 matchPos = aImplementationType.CompareF (aMatchType); |
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128 |
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129 return matchPos != KErrNotFound; |
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130 } |
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131 |