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1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // CPolicyDomainLoader class |
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15 // |
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16 // |
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17 |
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18 #include <s32file.h> |
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19 #include "D32Strings.h" |
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20 #include "SC_StrmIn.h" |
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21 #include "SC_DomainLoader.h" |
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22 |
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23 //This function returns ETrue if the drives in aPath1 and aPath2 are equal. |
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24 TBool CheckDrivesL(const TDesC& aPath1, const TDesC& aPath2) |
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25 { |
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26 __ASSERT(aPath1.Length() > 0); |
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27 __ASSERT(aPath2.Length() > 0); |
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28 |
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29 TChar drvc1 = aPath1[0]; |
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30 TInt drv1; |
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31 __LEAVE_IF_ERROR(RFs::CharToDrive(drvc1, drv1)); |
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32 |
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33 TChar drvc2 = aPath2[0]; |
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34 TInt drv2; |
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35 __LEAVE_IF_ERROR(RFs::CharToDrive(drvc2, drv2)); |
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36 |
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37 return drv1 == drv2; |
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38 } |
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39 |
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40 namespace DBSC |
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41 { |
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42 |
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43 /** |
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44 @param aFs A reference to a file server session object |
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45 @param aPolicyDir A reference to policy file sdirectory |
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46 @param aPDCollection The created policy domain objects will be stored in this output parameter. |
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47 */ |
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48 inline CPolicyDomainLoader::CPolicyDomainLoader(RFs& aFs, const TDesC& aPolicyDir, |
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49 RMap<TInt, CPolicyDomain*>& aPDCollection) : |
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50 iFs(aFs), |
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51 iPolicyDir(aPolicyDir), |
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52 iPDCollection(aPDCollection) |
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53 { |
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54 __ASSERT(iPolicyDir.Length() > 0); |
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55 __ASSERT(iPDCollection.Count() == 0); |
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56 } |
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57 |
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58 /** |
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59 Standard phase-one CPolicyDomainLoader factory method |
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60 @param aFs A reference to a file server session object |
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61 @param aPolicyDir A reference to policy file sdirectory |
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62 @param aPDCollection The created policy domain objects will be stored in this output parameter. |
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63 @return A pointer to just created CPolicyDomainLoader instance. |
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64 @leave System-wide error codes, including KErrNoMemory |
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65 */ |
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66 CPolicyDomainLoader* CPolicyDomainLoader::NewLC(RFs& aFs, const TDesC& aPolicyDir, |
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67 RMap<TInt,CPolicyDomain*>& aPDCollection) |
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68 { |
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69 CPolicyDomainLoader* self = new (ELeave) CPolicyDomainLoader(aFs, aPolicyDir, aPDCollection); |
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70 CleanupStack::PushL(self); |
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71 self->ConstructL(); |
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72 return self; |
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73 } |
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74 |
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75 /** |
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76 */ |
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77 CPolicyDomainLoader::~CPolicyDomainLoader() |
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78 { |
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79 delete iFoundPolicyFiles; |
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80 } |
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81 |
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82 /** |
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83 Standard phase-two CPolicyDomainLoader construction method. |
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84 It does a search for binary policy files in the system and creates and stores |
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85 a list of found ones in iFoundPolicyFiles data member. |
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86 @leave System-wide error codes, including KErrNoMemory |
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87 */ |
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88 void CPolicyDomainLoader::ConstructL() |
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89 { |
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90 TFindFile findFile(iFs); |
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91 TInt err = findFile.FindWildByDir(KPolicyFileExtMask, iPolicyDir, iFoundPolicyFiles); |
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92 if(err == KErrNone) |
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93 {//Check if the found drive is the same as the drive in iPolicyDir. |
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94 if(!::CheckDrivesL(findFile.File(), iPolicyDir)) |
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95 { |
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96 err = KErrNotFound; |
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97 } |
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98 } |
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99 __LEAVE_IF_ERROR(err); |
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100 } |
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101 |
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102 /** |
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103 The method creates the policy file path related to aPolicyFileIndex entry in |
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104 iFoundPolicyFiles list of binary policy file names. The path will be stored |
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105 in iPolicyFilePath data member. |
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106 @param aPolicyFileIndex Index of binary policy file name in iFoundPolicyFiles list. |
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107 @return The UID, extracted from binary policy file name. |
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108 @leave System-wide error codes, including KErrNoMemory |
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109 */ |
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110 TUid CPolicyDomainLoader::CreatePolicyFilePathL(TInt aPolicyFileIndex) |
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111 { |
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112 __ASSERT(aPolicyFileIndex < iFoundPolicyFiles->Count()); |
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113 const ::TEntry& entry = (*iFoundPolicyFiles)[aPolicyFileIndex]; |
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114 __LEAVE_IF_ERROR(iParser.Set(entry.iName, NULL, NULL)); |
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115 TPtrC fileName = iParser.Name(); |
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116 TUid domainUid = KNullUid; |
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117 TLex lex(fileName); |
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118 __LEAVE_IF_ERROR(lex.Val(*(TUint32*)&domainUid, EHex)); |
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119 if(domainUid == KNullUid) |
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120 { |
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121 __LEAVE(KErrCorrupt); |
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122 } |
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123 iPolicyFilePath.Copy(iPolicyDir); |
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124 iPolicyFilePath.Append(entry.iName); |
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125 return domainUid; |
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126 } |
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127 |
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128 /** |
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129 The method creates the policy domain object related to aPolicyFileIndex entry in |
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130 iFoundPolicyFiles list of binary policy file names. The created policy domain object |
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131 will be added to iPDCollection collection of policy domain objects. |
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132 @param aPolicyFileIndex Index of binary policy file name in iFoundPolicyFiles list. |
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133 @leave System-wide error codes, including KErrNoMemory |
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134 */ |
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135 void CPolicyDomainLoader::DoCreatePolicyDomainL(TInt aPolicyFileIndex) |
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136 { |
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137 TUid domainUid = CreatePolicyFilePathL(aPolicyFileIndex); |
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138 RFileReadStream strm; |
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139 CleanupClosePushL(strm); |
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140 __LEAVE_IF_ERROR(strm.Open(iFs, iPolicyFilePath, EFileRead)); |
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141 TPDStreamLoader in(strm); |
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142 CPolicyDomain* policyDomain = CPolicyDomain::NewLC(domainUid, in); |
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143 __ASSERT(policyDomain); |
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144 __LEAVE_IF_ERROR(iPDCollection.Insert(domainUid.iUid, policyDomain)); |
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145 CleanupStack::Pop(policyDomain); |
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146 CleanupStack::PopAndDestroy(&strm); |
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147 } |
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148 |
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149 /** |
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150 The method creates the policy domain object related to aPolicyFileIndex entry in |
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151 iFoundPolicyFiles list of binary policy file names. The created policy domain object |
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152 will be added to iPDCollection collection of policy domain objects. |
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153 @param aPolicyFileIndex Index of binary policy file name in iFoundPolicyFiles list. |
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154 @leave KErrNoMemory is the only possible leaving error code. The rest of errors |
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155 will be suppressed. |
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156 */ |
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157 void CPolicyDomainLoader::CreatePolicyDomainL(TInt aPolicyFileIndex) |
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158 { |
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159 TRAPD(err, DoCreatePolicyDomainL(aPolicyFileIndex)); |
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160 #ifdef _DEBUG |
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161 if(err != KErrNone) |
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162 { |
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163 _LIT(KText, "Failed to load policy file \"%S\"!\n"); |
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164 TBuf<KMaxPath> buf; |
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165 buf.Format(KText, &iPolicyFilePath); |
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166 RDebug::Print(buf); |
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167 } |
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168 #endif//_DEBUG |
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169 if(err == KErrNoMemory) |
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170 { |
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171 __LEAVE(err); |
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172 } |
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173 } |
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174 |
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175 /** |
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176 The method creates a policy domain object for each binary policy file found in the system. |
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177 The created objects will be added to iPDCollection collection of policy domain objects. |
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178 @leave KErrNoMemory is the only possible leaving error code. The rest of errors |
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179 will be suppressed. |
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180 */ |
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181 void CPolicyDomainLoader::RunL() |
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182 { |
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183 __ASSERT(iFoundPolicyFiles); |
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184 for(TInt i=(iFoundPolicyFiles->Count()-1);i>-1;--i) |
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185 { |
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186 CreatePolicyDomainL(i); |
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187 } |
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188 } |
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189 |
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190 } //end of - namespace DBSC |