1 | #include "oaitools.h"
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2 |
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3 | #include "recptprototools.h"
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4 |
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5 |
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6 | void oaiclassifier::swapColonsAndPeriods(text_t &classifier)
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7 | {
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8 | for (int i = 1; i <= classifier.size(); ++i) {
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9 | if (classifier[i] == '.') {
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10 | classifier[i] = ':';
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11 | }
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12 | else if (classifier[i] == ':') {
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13 | classifier[i] = '.';
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14 | }
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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 | text_t oaiclassifier::getGSDL_OID(const text_t &collection, const text_t& oai_id,
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20 | recptproto *protocol, ostream &logout)
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21 | {
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22 | FilterResponse_t response;
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23 | text_tset metadata;
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24 |
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25 | // metadata.insert("gsdl_id");
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26 |
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27 | bool status_ok = get_children(oai_id, collection, "", metadata, false, protocol, response, logout);
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28 | text_t gsdl_id = "";
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29 | if (status_ok) {
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30 | if(response.docInfo.size() > 0){
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31 | gsdl_id = response.docInfo[0].OID;
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32 | }
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33 | else {
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34 | // Response.docInfo is empty, meaning the doc in question didn't have an oai_id number.
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35 | return gsdl_id; // Return the empty string to indicate this.
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36 | }
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37 | }
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38 |
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39 | return gsdl_id;
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40 | }
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41 |
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42 | /**
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43 | * Called to convert GS classifier/document identifiers that use
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44 | * a '.' to separate levels in the hierarchy into OAI identifiers
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45 | * that use ':' instead.
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46 | */
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47 | void oaiclassifier::toOAI(const text_t repos_id, const text_t &collection, text_t &classifier)
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48 | {
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49 |
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50 | text_t tmp = "oai:";
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51 | tmp.append(repos_id);
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52 | tmp.append(":");
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53 | tmp.append(collection);
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54 | toOAI(tmp, classifier);
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55 |
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56 | }
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57 |
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58 | /**
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59 | * Called to convert GS classifier/document identifiers that use
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60 | * a '.' to separate levels in the hierarchy into OAI identifiers
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61 | * that use ':' instead.
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62 | */
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63 | void oaiclassifier::toOAI(const text_t &collection, text_t &classifier)
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64 | {
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65 | oaiclassifier::swapColonsAndPeriods(classifier);
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66 |
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67 | // prepend the collection identifier to the beginning of the
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68 | // OAI identifier.
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69 | text_t tmp = collection;
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70 | tmp.append(":");
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71 | tmp.append(classifier);
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72 |
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73 | classifier = tmp;
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74 | }
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75 |
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76 | void oaiclassifier::getCollectionFromOAIID(const text_t oai_id, text_t &collection_id) {
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77 |
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78 | // id is like oai:repos-id:collection:OID, we just want the collection bit
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79 |
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80 | text_t::const_iterator begin = oai_id.begin();
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81 | text_t::const_iterator end = oai_id.end();
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82 | text_t::const_iterator colon = findchar(begin, end, ':'); // 1
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83 | if (colon != end) {
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84 | colon = findchar(colon+1, end, ':'); // 2
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85 | }
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86 | text_t::const_iterator third_colon;
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87 | if (colon !=end) {
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88 | third_colon = findchar(colon+1, end, ':');
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89 | }
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90 | if (third_colon != end) {
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91 | collection_id = substr(colon+1, third_colon);
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92 | }
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93 | }
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94 |
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95 | /**
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96 | * Called to convert OAI classifier/document identifiers that use
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97 | * a ':' to separate levels in the hierarchy into GS identifiers
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98 | * that use '.' instead.
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99 | */
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100 | void oaiclassifier::toGSDL(text_t &collection, text_t &classifier)
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101 | {
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102 | oaiclassifier::swapColonsAndPeriods(classifier);
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103 |
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104 | // separate out the collection identifier that should be
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105 | // found at the beginning of the OAI identifier from the
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106 | // item identifier within the collection
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107 | text_t::iterator colon = find(classifier.begin(), classifier.end(), '.');
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108 | if (colon != classifier.end()) {
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109 | collection = substr(classifier.begin(), colon);
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110 | classifier = substr(colon + 1, classifier.end());
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111 | }
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112 | else{
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113 | collection = classifier;
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114 | classifier = "";
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115 | }
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116 | }
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