1 /* |
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2 * Copyright (c) 2007 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 "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: Location Centre Server object. |
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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 // SYSTEM INCLUDES |
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20 #include <badesca.h> // CDesCArrayFlat |
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21 #include <s32file.h> // CFileStore & CPermanentFileStore |
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22 #include <bautils.h> // file helpers |
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23 |
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24 // USER INCLUDES |
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25 #include "lcregappstore.h" |
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26 |
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27 // CONSTANT DEFINTION |
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28 _LIT(KLcPrivateDbName,"lcregappinfo.db"); // Name of the Database file for storing registered app info. |
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29 _LIT(KAppInfoTable, "AppInfo"); // Name of the one table |
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30 _LIT(KAppUUIdCol, "UUID"); // First column |
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31 |
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32 const TInt KMaxColumnLength = 32*1024; |
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33 |
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34 // ----- Member funtions for CLcRegAppStore --------------------------------- |
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35 |
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36 // --------------------------------------------------------------------------- |
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37 // CLcRegAppStore::CLcRegAppStore |
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38 // --------------------------------------------------------------------------- |
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39 // |
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40 CLcRegAppStore::CLcRegAppStore( RFs& aFs ) |
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41 :iFsSession( aFs ) |
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42 { |
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43 // C++ Default constructor. No allocations or functions which can Leave |
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44 // should be called from here.Initiallize all the variable here |
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45 } |
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46 |
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47 // --------------------------------------------------------------------------- |
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48 // CLcRegAppStore::~CLcRegAppStore |
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49 // --------------------------------------------------------------------------- |
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50 // |
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51 CLcRegAppStore::~CLcRegAppStore() |
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52 { |
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53 // C++ Destructor. Free all resources associated with this class. |
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54 Close(); |
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55 } |
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56 |
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57 // --------------------------------------------------------------------------- |
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58 // CLcRegAppStore* CLcRegAppStore::NewL |
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59 // --------------------------------------------------------------------------- |
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60 // |
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61 CLcRegAppStore* CLcRegAppStore::NewL( RFs& aFs ) |
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62 { |
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63 CLcRegAppStore* self = NewLC( aFs ); |
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64 CleanupStack::Pop( self ); |
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65 return self; |
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66 } |
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67 |
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68 // --------------------------------------------------------------------------- |
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69 // CLcRegAppStore* CLcRegAppStore::NewLC |
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70 // --------------------------------------------------------------------------- |
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71 // |
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72 CLcRegAppStore* CLcRegAppStore::NewLC( RFs& aFs ) |
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73 { |
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74 // Symbian Two phased constructor. Leaves the object on the Clean-up |
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75 // stack. |
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76 CLcRegAppStore* self = new ( ELeave )CLcRegAppStore( aFs ); |
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77 CleanupStack::PushL( self ); |
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78 self->ConstructL(); |
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79 return self; |
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80 } |
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81 |
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82 // --------------------------------------------------------------------------- |
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83 // void CLcRegAppStore::ConstructL |
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84 // --------------------------------------------------------------------------- |
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85 // |
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86 void CLcRegAppStore::ConstructL() |
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87 { |
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88 // Obtain the Db file path |
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89 User::LeaveIfError( iFsSession.SessionPath( iLcRegdbFile ) ); |
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90 |
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91 // Create the Database Directory ie the private directory of the process |
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92 if( !BaflUtils::PathExists( iFsSession, iLcRegdbFile ) ) |
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93 { |
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94 User::LeaveIfError( iFsSession.MkDirAll( iLcRegdbFile ) ); |
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95 } |
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96 |
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97 // Generate the Db file |
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98 iLcRegdbFile.Append( KLcPrivateDbName ); |
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99 |
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100 // Check if the db file is exists or not. |
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101 if( BaflUtils::FileExists( iFsSession, iLcRegdbFile ) ) |
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102 { |
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103 OpenDbL( iLcRegdbFile ); |
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104 } |
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105 else |
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106 { |
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107 CreateDbL( iLcRegdbFile ); |
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108 } |
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109 } |
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110 |
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111 // --------------------------------------------------------------------------- |
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112 // void CLcRegAppStore::OpenDbL |
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113 // --------------------------------------------------------------------------- |
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114 // |
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115 void CLcRegAppStore::OpenDbL( const TFileName& aRegAppInfoFile ) |
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116 { |
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117 // if it is already open then close it. |
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118 Close(); |
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119 // Check if the db file is exists or not. |
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120 if( BaflUtils::FileExists( iFsSession, aRegAppInfoFile ) ) |
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121 { |
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122 TRAPD(error, |
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123 iFileStore = CPermanentFileStore::OpenL( iFsSession, aRegAppInfoFile, |
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124 EFileRead|EFileWrite ); |
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125 //Set file store type |
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126 iFileStore->SetTypeL( iFileStore->Layout() ); |
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127 iRegAppInfoDb.OpenL( iFileStore,iFileStore->Root() ) |
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128 ); |
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129 |
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130 if( !error ) |
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131 { |
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132 iDbStatus = ELcDbOpen; |
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133 } |
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134 else |
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135 { |
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136 User::Leave( error ); |
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137 } |
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138 } |
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139 } |
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140 |
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141 // --------------------------------------------------------------------------- |
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142 // void CLcRegAppStore::CreateDbL() |
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143 // |
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144 // Create a new database. The database will be in exclusive access mode. |
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145 // --------------------------------------------------------------------------- |
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146 void CLcRegAppStore::CreateDbL( const TFileName& aRegAppInfoFile ) |
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147 { |
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148 // if it is already open then close it. |
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149 Close(); |
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150 |
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151 // Create empty database file. |
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152 TRAPD(error, |
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153 iFileStore = CPermanentFileStore::ReplaceL(iFsSession, aRegAppInfoFile, |
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154 EFileRead|EFileWrite); |
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155 iFileStore->SetTypeL( iFileStore->Layout() );// Set file store type |
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156 TStreamId id = iRegAppInfoDb.CreateL( iFileStore );// Create stream object |
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157 iFileStore->SetRootL( id );// Keep database id as root of store |
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158 iFileStore->CommitL();// Complete creation by commiting |
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159 // Create appinfo tables |
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160 CreateAppInfoTableL(); |
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161 ); |
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162 |
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163 if( !error ) |
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164 { |
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165 iDbStatus = ELcDbCreate; |
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166 } |
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167 else |
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168 { |
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169 User::Leave( error ); |
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170 } |
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171 } |
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172 |
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173 // --------------------------------------------------------------------------- |
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174 // void CLcRegAppStore::Close() |
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175 // |
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176 // Close the database. |
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177 // --------------------------------------------------------------------------- |
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178 void CLcRegAppStore::Close() |
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179 { |
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180 iRegAppInfoDb.Close(); |
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181 delete iFileStore; |
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182 iFileStore = NULL; |
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183 } |
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184 |
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185 // --------------------------------------------------------------------------- |
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186 // void CLcRegAppStore::CreateAppInfoTableL() |
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187 // |
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188 // Creates Appinfo table. Leaves, if the table cannot be created. |
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189 // --------------------------------------------------------------------------- |
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190 void CLcRegAppStore::CreateAppInfoTableL() |
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191 { |
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192 // Specify columns for appinfo table |
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193 TDbCol uuidCol( KAppUUIdCol, EDbColLongText8,KMaxColumnLength ); // Using default length |
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194 |
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195 // Add the columns to column set |
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196 CDbColSet* appInfoColSet = CDbColSet::NewLC(); |
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197 appInfoColSet->AddL( uuidCol ); |
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198 |
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199 // Create the appinfo table |
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200 User::LeaveIfError( iRegAppInfoDb.CreateTable(KAppInfoTable, |
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201 *appInfoColSet) ); |
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202 CleanupStack::PopAndDestroy( appInfoColSet ); |
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203 } |
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204 |
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205 // --------------------------------------------------------------------------- |
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206 // void CLcRegAppStore::AddDataToTable() |
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207 // |
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208 // Add item to database using RDbTable API |
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209 // --------------------------------------------------------------------------- |
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210 void CLcRegAppStore::AddDataToTableL( const TDesC8& aAppUid ) |
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211 { |
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212 // Create an updateable database table object |
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213 RDbTable table; |
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214 CleanupClosePushL( table ); |
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215 |
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216 User::LeaveIfError( table.Open( iRegAppInfoDb, KAppInfoTable, table.EUpdatable )); |
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217 |
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218 CDbColSet* dbColSet = table.ColSetL(); |
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219 CleanupStack::PushL( dbColSet ); |
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220 |
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221 //table.Reset(); |
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222 TBool lRowPos = table.FirstL(); |
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223 |
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224 TDbColNo colNo = dbColSet->ColNo(KAppUUIdCol); |
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225 |
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226 // Do first time insert and then do Update |
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227 if( iDbStatus == ELcDbOpen && lRowPos ) |
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228 { |
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229 table.UpdateL(); |
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230 table.SetColL( colNo, aAppUid ); // col = 1 |
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231 } |
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232 else |
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233 { |
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234 table.InsertL(); |
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235 table.SetColL( colNo, aAppUid ); // col = 1 |
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236 iDbStatus = ELcDbOpen; |
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237 } |
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238 |
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239 table.PutL(); // Complete changes (the insertion) |
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240 |
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241 CleanupStack::PopAndDestroy( dbColSet ); |
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242 CleanupStack::PopAndDestroy(); |
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243 } |
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244 |
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245 // --------------------------------------------------------------------------- |
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246 // void CLcRegAppStore::GetUuidValueL() |
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247 // |
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248 // Get packed Uuid from database according to column name |
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249 // --------------------------------------------------------------------------- |
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250 void CLcRegAppStore::GetUuidValueL(TDes8& aUuid) |
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251 { |
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252 aUuid.Zero(); |
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253 if(!BaflUtils::FileExists( iFsSession, iLcRegdbFile ) ) |
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254 { |
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255 return; |
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256 } |
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257 |
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258 _LIT(KSelectAll,"SELECT * FROM AppInfo" ); |
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259 |
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260 // Create a view on the database |
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261 RDbView view; |
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262 CleanupClosePushL( view ); |
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263 TInt lResult = view.Prepare( iRegAppInfoDb, TDbQuery( KSelectAll ), view.EReadOnly ); |
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264 if( lResult == KErrNone ) |
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265 { |
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266 lResult = view.EvaluateAll(); |
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267 |
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268 CDbColSet* colSet = view.ColSetL(); |
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269 CleanupStack::PushL( colSet ); |
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270 |
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271 // Append each result row |
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272 if ( view.FirstL() ) |
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273 { |
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274 view.GetL(); |
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275 TDbColNo colNo = colSet->ColNo( KAppUUIdCol ); |
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276 RDbColReadStream readStream; // A stream object for long columns |
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277 readStream.OpenLC( view, colNo ); |
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278 readStream.ReadL( aUuid, view.ColLength( colNo ) ); |
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279 CleanupStack::Pop(); //readStream |
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280 readStream.Close(); |
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281 } |
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282 CleanupStack::PopAndDestroy( colSet ); |
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283 } |
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284 CleanupStack::PopAndDestroy( &view ); |
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285 } |
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286 // End of file |
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287 |
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