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1 /** @file |
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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: Represents one downloadable file |
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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 // User include files |
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20 #include "httpfile.h" |
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21 |
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22 // Constants |
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23 _LIT(KUnderScore, "_"); |
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24 const TUint KMaxSameFileNames = 1000; |
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25 const TUint KSpaceForNumber = 5; // underscore + 4 digits |
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26 const TUint KFinishFileCreationLoop = 1001; |
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27 |
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28 // ======== MEMBER FUNCTIONS ======== |
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29 |
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30 // -------------------------------------------------------------------------- |
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31 // CHttpFile::CHttpFile() |
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32 // -------------------------------------------------------------------------- |
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33 // |
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34 CHttpFile::CHttpFile( TAny* aKey ) |
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35 { |
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36 iKey = aKey; |
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37 iPath = NULL; |
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38 } |
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39 |
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40 // -------------------------------------------------------------------------- |
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41 // CHttpFile::CHttpFile() |
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42 // -------------------------------------------------------------------------- |
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43 // |
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44 CHttpFile::CHttpFile( TAny* aKey, const RFile& aFileHandle ) |
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45 { |
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46 iKey = aKey; |
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47 iPath = NULL; |
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48 iFile.Duplicate( aFileHandle ); |
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49 } |
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50 |
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51 // -------------------------------------------------------------------------- |
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52 // CHttpFile::ConstructL() |
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53 // (See comments in header file) |
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54 // -------------------------------------------------------------------------- |
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55 // |
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56 void CHttpFile::ConstructL( const TDesC8& aUri, const TDesC& aPath ) |
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57 { |
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58 SetUriL( aUri ); |
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59 |
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60 iPath = aPath.AllocL(); |
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61 |
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62 User::LeaveIfError( iFsSession.Connect() ); |
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63 } |
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64 |
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65 // -------------------------------------------------------------------------- |
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66 // CHttpFile::ConstructL() |
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67 // (See comments in header file) |
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68 // -------------------------------------------------------------------------- |
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69 // |
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70 void CHttpFile::ConstructL( const TDesC8& aUri ) |
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71 { |
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72 SetUriL( aUri ); |
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73 } |
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74 // -------------------------------------------------------------------------- |
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75 // CHttpFile::NewL() |
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76 // (See comments in header file) |
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77 // -------------------------------------------------------------------------- |
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78 // |
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79 CHttpFile* CHttpFile::NewL( TAny* aKey, |
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80 const TDesC8& aUri, |
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81 const TDesC& aPath ) |
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82 { |
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83 CHttpFile* self = CHttpFile::NewLC( aKey, aUri, aPath ); |
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84 CleanupStack::Pop( self ); |
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85 return self; |
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86 } |
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87 |
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88 // -------------------------------------------------------------------------- |
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89 // CHttpFile::NewLC() |
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90 // (See comments in header file) |
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91 // -------------------------------------------------------------------------- |
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92 // |
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93 CHttpFile* CHttpFile::NewLC( TAny* aKey, |
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94 const TDesC8& aUri, |
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95 const TDesC& aPath ) |
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96 { |
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97 CHttpFile* self = new( ELeave ) CHttpFile( aKey ); |
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98 CleanupStack::PushL( self ); |
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99 self->ConstructL( aUri, aPath ); |
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100 return self; |
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101 } |
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102 |
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103 // -------------------------------------------------------------------------- |
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104 // CHttpFile::NewL() |
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105 // (See comments in header file) |
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106 // -------------------------------------------------------------------------- |
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107 // |
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108 CHttpFile* CHttpFile::NewL( TAny* aKey, const TDesC8& aUri, |
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109 const RFile& aFileHandle ) |
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110 { |
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111 CHttpFile* self = CHttpFile::NewLC( aKey, aUri, aFileHandle ); |
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112 CleanupStack::Pop( self ); |
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113 return self; |
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114 } |
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115 |
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116 // -------------------------------------------------------------------------- |
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117 // CHttpFile::NewLC() |
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118 // (See comments in header file) |
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119 // -------------------------------------------------------------------------- |
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120 // |
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121 CHttpFile* CHttpFile::NewLC( TAny* aKey, const TDesC8& aUri, |
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122 const RFile& aFileHandle ) |
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123 { |
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124 CHttpFile* self = new( ELeave ) CHttpFile( aKey, aFileHandle ); |
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125 CleanupStack::PushL( self ); |
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126 self->ConstructL( aUri ); |
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127 return self; |
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128 } |
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129 |
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130 // -------------------------------------------------------------------------- |
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131 // CHttpFile::~CHttpFile() |
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132 // (See comments in header file) |
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133 // -------------------------------------------------------------------------- |
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134 // |
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135 CHttpFile::~CHttpFile() |
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136 { |
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137 iFile.Close(); |
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138 delete iUri; |
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139 delete iPath; |
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140 iHeaderArray.ResetAndDestroy(); |
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141 |
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142 iFsSession.Close(); |
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143 } |
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144 |
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145 // -------------------------------------------------------------------------- |
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146 // CHttpFile::TrackProgress() |
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147 // (See comments in header file) |
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148 // -------------------------------------------------------------------------- |
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149 // |
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150 void CHttpFile::TrackProgress( TBool aValue ) |
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151 { |
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152 iTrackProgress = aValue; |
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153 } |
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154 |
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155 // -------------------------------------------------------------------------- |
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156 // CHttpFile::TrackingOn() |
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157 // (See comments in header file) |
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158 // -------------------------------------------------------------------------- |
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159 // |
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160 TBool CHttpFile::TrackingOn() const |
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161 { |
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162 return iTrackProgress; |
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163 } |
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164 |
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165 // -------------------------------------------------------------------------- |
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166 // CHttpFile::Key() |
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167 // (See comments in header file) |
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168 // -------------------------------------------------------------------------- |
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169 // |
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170 TAny* CHttpFile::Key() const |
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171 { |
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172 return iKey; |
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173 } |
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174 |
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175 // -------------------------------------------------------------------------- |
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176 // CHttpFile::Uri() |
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177 // (See comments in header file) |
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178 // -------------------------------------------------------------------------- |
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179 // |
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180 const HBufC8* CHttpFile::Uri() const |
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181 { |
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182 return iUri; |
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183 } |
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184 |
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185 // -------------------------------------------------------------------------- |
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186 // CHttpFile::SetUriL() |
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187 // (See comments in header file) |
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188 // -------------------------------------------------------------------------- |
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189 // |
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190 void CHttpFile::SetUriL( const TDesC8& aUri ) |
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191 { |
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192 HBufC8* uri = aUri.AllocL(); |
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193 delete iUri; |
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194 iUri = uri; |
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195 } |
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196 |
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197 // -------------------------------------------------------------------------- |
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198 // CHttpFile::Path() |
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199 // (See comments in header file) |
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200 // -------------------------------------------------------------------------- |
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201 // |
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202 const HBufC* CHttpFile::Path() const |
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203 { |
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204 return iPath; |
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205 } |
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206 |
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207 // -------------------------------------------------------------------------- |
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208 // CHttpFile::FileHandle() |
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209 // (See comments in header file) |
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210 // -------------------------------------------------------------------------- |
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211 // |
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212 RFile CHttpFile::FileHandle() const |
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213 { |
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214 return iFile; |
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215 } |
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216 |
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217 // -------------------------------------------------------------------------- |
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218 // CHttpFile::SetHeaderL() |
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219 // (See comments in header file) |
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220 // -------------------------------------------------------------------------- |
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221 // |
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222 void CHttpFile::SetHeaderL( const TDesC8& aFieldName, |
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223 const TDesC8& aFieldValue ) |
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224 { |
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225 // if the fieldname already exists ( header already set ) -> leave |
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226 for ( TInt i = 0; i < iHeaderArray.Count(); i++ ) |
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227 { |
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228 if ( iHeaderArray[i]->FieldName().CompareF( aFieldName ) == 0 ) |
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229 { |
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230 User::Leave( KErrAlreadyExists ); |
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231 } |
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232 } |
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233 |
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234 iHeaderArray.Append( CHttpHeader::NewL( aFieldName, aFieldValue ) ); |
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235 } |
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236 |
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237 // -------------------------------------------------------------------------- |
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238 // CHttpFile::Headers() |
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239 // (See comments in header file) |
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240 // -------------------------------------------------------------------------- |
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241 // |
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242 RPointerArray<CHttpHeader>& CHttpFile::Headers() |
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243 { |
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244 return iHeaderArray; |
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245 } |
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246 |
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247 // -------------------------------------------------------------------------- |
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248 // CHttpFile::CreateFileInFileSystem() |
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249 // (See comments in header file) |
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250 // -------------------------------------------------------------------------- |
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251 // |
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252 void CHttpFile::CreateFileInFileSystemL() |
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253 { |
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254 TInt ret = KErrNone; |
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255 |
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256 if ( iPath ) |
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257 { |
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258 // Check first that the drive exists |
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259 TInt driveNum; |
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260 TParse p; |
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261 p.Set( *iPath, NULL, NULL ); |
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262 TPtrC pointer = p.Drive(); |
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263 TLex lineParser( pointer.Ptr() ); |
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264 TChar ch = lineParser.Get(); |
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265 |
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266 User::LeaveIfError( iFsSession.CharToDrive( ch, driveNum) ); |
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267 |
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268 TVolumeInfo volumeInfo; |
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269 User::LeaveIfError( iFsSession.Volume( volumeInfo, driveNum ) ); |
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270 |
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271 // Create the file in the file system |
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272 ret = iFile.Create( iFsSession, *iPath, EFileWrite ); |
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273 |
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274 // Directory not available => create one |
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275 if( KErrPathNotFound == ret ) |
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276 { |
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277 // Make directory |
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278 // Creates the directory and ignores the filename |
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279 iFsSession.MkDirAll( *iPath ); |
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280 ret = iFile.Create( iFsSession, *iPath, EFileWrite ); |
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281 } |
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282 |
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283 // File already exists |
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284 // File has to be renamed to |
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285 // <oldfilename>_<number>.<old_file_extension> |
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286 // number will increase if same file is loaded many times |
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287 else if( KErrAlreadyExists == ret ) |
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288 { |
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289 TParse parseFilename; |
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290 |
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291 parseFilename.Set( *iPath, NULL, NULL ); |
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292 |
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293 HBufC* name = NULL; |
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294 |
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295 for ( TInt count = 1; count < KMaxSameFileNames; count++ ) |
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296 { |
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297 // KSpaceForNumber is meant for underscore and number |
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298 name = HBufC::NewLC( iPath->Length() + |
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299 KSpaceForNumber ); |
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300 |
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301 TBuf<KSpaceForNumber> value; |
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302 value.Num( count ); |
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303 |
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304 name->Des().Append( parseFilename.DriveAndPath() ); |
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305 name->Des().Append( parseFilename.Name() ); |
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306 name->Des().Append( KUnderScore() ); |
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307 name->Des().Append( value ); |
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308 name->Des().Append( parseFilename.Ext() ); |
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309 |
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310 ret = iFile.Create( iFsSession, *name, EFileWrite ); |
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311 |
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312 // If the file already exists make a new loop |
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313 if ( ret == KErrAlreadyExists ) |
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314 { |
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315 CleanupStack::PopAndDestroy( name ); |
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316 name = NULL; |
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317 } |
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318 // if file creation succeeded |
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319 else if ( ret == KErrNone ) |
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320 { |
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321 delete iPath; |
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322 iPath = name; |
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323 CleanupStack::Pop( name ); |
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324 |
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325 count = KFinishFileCreationLoop; |
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326 } |
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327 else |
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328 { |
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329 CleanupStack::PopAndDestroy( name ); |
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330 |
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331 count = KFinishFileCreationLoop; |
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332 } |
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333 } |
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334 } |
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335 } |
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336 |
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337 if( ret != KErrNone ) |
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338 { |
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339 User::Leave( ret ); |
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340 } |
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341 |
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342 } |
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343 |
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344 // -------------------------------------------------------------------------- |
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345 // CHttpFile::DeleteFileFromFileSystemL() |
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346 // (See comments in header file) |
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347 // -------------------------------------------------------------------------- |
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348 // |
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349 void CHttpFile::DeleteFileFromFileSystemL() |
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350 { |
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351 // Close filehandle before delete |
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352 iFile.Close(); |
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353 |
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354 // Delete the file |
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355 if ( iPath ) |
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356 { |
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357 CFileMan* fileMan = CFileMan::NewL( iFsSession ); |
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358 CleanupStack::PushL( fileMan ); |
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359 User::LeaveIfError( fileMan->Delete( iPath->Des() ) ); |
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360 CleanupStack::PopAndDestroy( fileMan ); |
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361 } |
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362 } |
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363 |
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364 // -------------------------------------------------------------------------- |
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365 // CHttpFile::CloseFile() |
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366 // (See comments in header file) |
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367 // -------------------------------------------------------------------------- |
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368 // |
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369 void CHttpFile::CloseFile() |
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370 { |
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371 iFile.Close(); |
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372 } |
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373 |
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374 // end of file |