1 | #include "recordaction.h"
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2 | #include "recptprototools.h"
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3 | #include "dublincore.h"
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4 | #include "rfc1807.h"
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5 | #include "oaitools.h"
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6 | #include <time.h>
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7 |
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8 |
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9 | recordaction::recordaction() : oaiaction("GetRecord") {
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10 | metaformatptr fptr;
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11 |
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12 | fptr.set_class(new dublin_core());
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13 | this->formatMap[fptr.get_class()->formatName()] = fptr;
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14 |
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15 | fptr.set_class(new rfc1807());
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16 | this->formatMap[fptr.get_class()->formatName()] = fptr;
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17 | }
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18 |
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19 | recordaction::~recordaction() {
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20 | metaformat_map::iterator here = this->formatMap.begin();
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21 | metaformat_map::iterator end = this->formatMap.end();
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22 |
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23 | while (here != end) {
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24 | here->second.clear();
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25 | ++here;
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26 | }
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27 | }
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28 |
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29 |
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30 | bool recordaction::validateAction(recptproto *protocol, oaiargs ¶ms)
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31 | {
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32 | int params_size = params.getSize();
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33 |
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34 | // Remove any parameters that aren't valid for this action
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35 | text_tmap::const_iterator param_iterator = params.begin();
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36 | while (param_iterator != params.end())
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37 | {
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38 | if (param_iterator->first != "verb" &&
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39 | param_iterator->first != "identifier" &&
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40 | param_iterator->first != "metadataPrefix")
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41 | {
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42 | params.erase(param_iterator->first);
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43 | }
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44 |
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45 | param_iterator++;
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46 | }
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47 |
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48 | text_t meta = params["metadataPrefix"];
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49 | text_t gsdlId = params["identifier"];
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50 | text_t gsdlCollect;
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51 | text_t language = "";
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52 | int oaiVersion = this->configuration->getOAIVersion();
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53 |
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54 | // The identifier and metadataPrefix args MUST be supplied, and are the only
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55 | // args allowed (excluding verb arg). If we don't have them, throw an error.
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56 | if(gsdlId == "" || meta == "" || params_size != 3){
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57 | this->errorType = "badArgument";
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58 | return false;
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59 | }
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60 |
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61 | // Check to see if the metadataPrefix supplied is supported
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62 | if(this->formatNotSupported(meta)) {
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63 | this->errorType = "cannotDisseminateFormat";
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64 | if(oaiVersion == 200)
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65 | return false;
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66 | }
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67 |
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68 | // convert record identifier into GSDL format from OAI
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69 | oaiclassifier::toGSDL(gsdlCollect, gsdlId);
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70 |
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71 | // get the document information
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72 | text_tset metadata;
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73 | if (!get_info(gsdlId, gsdlCollect, language, metadata, false, protocol, this->gsdlResponse, *logout)) {
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74 | this->errorType = "idDoesNotExist";
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75 | if(oaiVersion == 200)
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76 | return false;
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77 | }
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78 |
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79 | return true;
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80 | }
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81 |
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82 | //
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83 | // Output the content of a GetRecord request; in this case, the static member
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84 | // output_record below is used to fulfill most of the request
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85 | //
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86 | bool recordaction::output_content(ostream &output, recptproto *protocol, oaiargs ¶ms)
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87 | {
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88 | // validateAction will already have set up the correct response content
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89 | text_t gsdlId = params["identifier"];
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90 | text_t gsdlCollect;
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91 |
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92 | // convert record identifier into GSDL format from OAI
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93 | oaiclassifier::toGSDL(gsdlCollect, gsdlId);
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94 |
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95 | // go direct to output_record
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96 | return output_record(output, gsdlCollect, gsdlId, params["metadataPrefix"]);
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97 | }
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98 |
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99 | //
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100 | // A static member that does everything the output_content method above needs,
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101 | // but can be called when individual records are being output for another
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102 | // action.
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103 | //
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104 | bool recordaction::output_record(ostream &output, recptproto *protocol, const text_t &collection, const text_t &OID, const text_t &metadataPrefix)
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105 | {
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106 | text_tset metadata;
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107 | ofstream logout("oai.log", ios::app);
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108 |
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109 | // get the document information
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110 | if (!get_info(OID, collection, "", metadata, false, protocol, this->gsdlResponse, logout)) {
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111 |
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112 | this->errorType = "idDoesNotExist";
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113 |
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114 | if(this->configuration->getOAIVersion() >= 200) {
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115 | this->output_error(output, errorType);
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116 | return false;
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117 | }
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118 | }
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119 |
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120 | return this->output_record(output, collection, OID, metadataPrefix);
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121 | }
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122 |
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123 | bool recordaction::output_record(ostream &output, const text_t &collection, const text_t &OID,
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124 | const text_t &metadataPrefix)
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125 | { int oaiVersion = this->configuration->getOAIVersion();
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126 |
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127 | // check to see if it's a classifier
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128 | text_t childHead;
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129 | text_t::const_iterator start = OID.begin();
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130 | text_t::const_iterator here = OID.begin();
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131 | here += 2;
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132 | childHead = substr(start, here);
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133 |
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134 | // if it isn't a document, kill it now
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135 | if (childHead == "CL") {
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136 | cerr << "Not a document" << endl;
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137 | return false;
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138 | }
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139 |
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140 | ResultDocInfo_t doc_info = this->gsdlResponse.docInfo[0];
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141 | text_t lastModified = "";
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142 |
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143 | // Fills lastModified with the date from the document in doc_info, in the format YYYY-MM-DD
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144 | this->getLastModifiedDate(doc_info, lastModified);
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145 |
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146 | // If the ID exists, output record for oai response (OAI v1.1)
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147 | // OAI v2.0 will already have bailed if ID doesn't exist (yes?)
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148 | if (this->errorType != "idDoesNotExist") {
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149 | text_t oaiLabel = OID;
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150 | oaiclassifier::toOAI(collection, oaiLabel); // Concatenates HASH id to collection, which OAI needs
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151 |
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152 | // output a record
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153 | output << " <record>\n";
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154 |
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155 | // output header part of oai response
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156 | this->output_record_header(output, oaiLabel, lastModified,
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157 | doc_info.metadata["memberof"].values, oaiVersion);
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158 |
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159 | if (this->errorType != "cannotDisseminateFormat"){
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160 | if (this->formatMap[metadataPrefix].get_class()->output_metadata(output, collection, doc_info)) {
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161 | // output 'about' part of oai response - we probably won't ever use this
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162 | //output << " <about>\n";
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163 | //output << " </about>\n";
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164 | }
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165 | }
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166 | // close record
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167 | output << " </record>\n\n";
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168 | }
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169 | return true;
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170 | }
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