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1 // Copyright (c) 2002-2009 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 // |
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15 |
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16 #include "chttpgeneralheadercodec.h" |
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17 |
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18 #include <http/rhttpsession.h> |
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19 #include <httpstringconstants.h> |
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20 |
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21 #include "chttpdefaultheadercodec.h" |
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22 #include "chttpgeneralheaderwriter.h" |
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23 #include "chttpgeneralheaderreader.h" |
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24 |
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25 CHttpGeneralHeaderCodec* CHttpGeneralHeaderCodec::NewL(TAny* aStringPool) |
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26 /** |
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27 Factory constructor. |
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28 @internalComponent |
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29 @param aStringPool The current string pool. |
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30 @return A pointer to a fully initialised object. |
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31 @leave KErrNoMemory Not enough memory to create object. |
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32 @leave CHttpGeneralHeaderCodec::ConstructL |
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33 */ |
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34 { |
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35 RStringPool* strPool = static_cast<RStringPool*>(aStringPool); |
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36 CHttpGeneralHeaderCodec* self = new (ELeave) CHttpGeneralHeaderCodec(*strPool); |
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37 CleanupStack::PushL(self); |
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38 self->ConstructL(); |
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39 CleanupStack::Pop(self); |
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40 return self; |
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41 } |
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42 |
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43 CHttpGeneralHeaderCodec::~CHttpGeneralHeaderCodec() |
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44 /** |
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45 Destructor. |
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46 @internalComponent |
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47 */ |
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48 { |
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49 } |
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50 |
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51 CHttpGeneralHeaderCodec::CHttpGeneralHeaderCodec(RStringPool aStringPool) |
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52 : CHeaderCodecPlugin(), iStringPool(aStringPool), iStringTable(RHTTPSession::GetTable()) |
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53 /** |
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54 Constructor |
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55 @internalComponent |
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56 @param aStringPool The current string pool. |
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57 */ |
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58 { |
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59 } |
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60 |
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61 void CHttpGeneralHeaderCodec::ConstructL() |
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62 /** |
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63 Second phase constructor |
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64 @internalComponent |
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65 @leave CHeaderCodec::ConstructL |
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66 @leave CHttpGeneralHeaderWriter::NewL |
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67 @leave CHttpGeneralHeaderReader::NewL |
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68 */ |
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69 { |
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70 // Do second phase construction of the base class |
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71 CHeaderCodec::ConstructL(); |
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72 |
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73 // Create the header writer and reader objects on behalf of the base class |
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74 iWriter = CHttpGeneralHeaderWriter::NewL(iStringPool); |
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75 iReader = CHttpGeneralHeaderReader::NewL(iStringPool); |
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76 } |
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77 |
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78 /* |
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79 * Methods from CHeaderCodec |
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80 */ |
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81 |
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82 TBool CHttpGeneralHeaderCodec::CanEncode(RStringF aHeaderField) const |
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83 /** |
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84 Asks if the codec can encode the specified header. The default codec can |
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85 encode all headers. |
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86 @internalComponent |
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87 @param aHeaderField The header to be encoded. |
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88 @return A value of ETrue if the codec can encode the header or a value |
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89 of EFalse if not. |
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90 */ |
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91 { |
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92 TBool encode = EFalse; |
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93 switch( aHeaderField.Index(iStringTable) ) |
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94 { |
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95 case HTTP::ECacheControl: |
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96 case HTTP::EConnection: |
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97 case HTTP::EDate: |
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98 case HTTP::EPragma: |
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99 case HTTP::ETransferEncoding: |
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100 case HTTP::EContentEncoding: |
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101 case HTTP::EContentLanguage: |
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102 case HTTP::EContentLength: |
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103 case HTTP::EContentLocation: |
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104 case HTTP::EContentMD5: |
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105 case HTTP::EContentType: |
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106 case HTTP::EContentDisposition: |
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107 case HTTP::EExpires: |
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108 case HTTP::ELastModified: |
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109 case HTTP::EUpgrade: |
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110 { |
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111 // Can encode these headers |
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112 encode = ETrue; |
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113 } break; |
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114 default: |
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115 // Return default value |
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116 break; |
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117 } |
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118 return encode; |
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119 } |
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120 |
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121 TBool CHttpGeneralHeaderCodec::CanDecode(RStringF aHeaderField) const |
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122 /** |
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123 Asks if the codec can decode the specified header. The default codec can |
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124 decode all headers. |
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125 @internalComponent |
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126 @param aHeaderField The header to be decoded. |
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127 @return A value of ETrue if the codec can decode the header or a value |
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128 of EFalse if not. |
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129 */ |
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130 { |
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131 return CanEncode(aHeaderField); |
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132 } |
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133 |
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134 CHeaderCodec* CHttpGeneralHeaderCodec::FindDelegateCodecL(RStringF /*aHeaderField*/) const |
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135 /** |
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136 Asks the codec to find a delegate codec that can deal with the header field. |
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137 The http default codec is the final codec that can be used. |
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138 @internalComponent |
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139 @param aHeaderField The header field to be handled. |
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140 @return A pointer to the http default codec. |
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141 @leave CHttpDefaultHeaderCodec::NewL |
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142 */ |
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143 { |
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144 return CHeaderCodecPlugin::CreateDelegateCodecL(iStringPool); |
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145 } |