[22739] | 1 | /**********************************************************************
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| 2 | *
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| 3 | * dublincore.cpp --
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| 4 | *
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| 5 | * Copyright (C) 2004-2010 The New Zealand Digital Library Project
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| 6 | *
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| 7 | * A component of the Greenstone digital library software
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| 8 | * from the New Zealand Digital Library Project at the
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| 9 | * University of Waikato, New Zealand.
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| 10 | *
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| 11 | * This program is free software; you can redistribute it and/or modify
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| 12 | * it under the terms of the GNU General Public License as published by
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| 13 | * the Free Software Foundation; either version 2 of the License, or
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| 14 | * (at your option) any later version.
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| 15 | *
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| 16 | * This program is distributed in the hope that it will be useful,
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 19 | * GNU General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU General Public License
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| 22 | * along with this program; if not, write to the Free Software
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| 23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 24 | *
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| 25 | *********************************************************************/
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[8219] | 26 |
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[22739] | 27 |
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[8182] | 28 | #include "dublincore.h"
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[21761] | 29 | #include "gsdltools.h"
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[8182] | 30 |
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[18895] | 31 | dublin_core::dublin_core() : metaformat() {
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| 32 | // These element names taken from the schema
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| 33 | // http://www.openarchives.org/OAI/2.0/oai_dc.xsd
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| 34 | elementSet.insert("contributor");
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| 35 | elementSet.insert("coverage");
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| 36 | elementSet.insert("creator");
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| 37 | elementSet.insert("date");
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| 38 | elementSet.insert("description");
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| 39 | elementSet.insert("format");
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| 40 | elementSet.insert("identifier");
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| 41 | elementSet.insert("language");
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| 42 | elementSet.insert("publisher");
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| 43 | elementSet.insert("relation");
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| 44 | elementSet.insert("rights");
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| 45 | elementSet.insert("source");
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| 46 | elementSet.insert("subject");
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| 47 | elementSet.insert("title");
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| 48 | elementSet.insert("type");
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| 49 |
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| 50 |
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| 51 | }
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| 52 |
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[8182] | 53 | const text_t dublin_core::formatName() {
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| 54 | return "oai_dc";
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| 55 | }
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| 56 |
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| 57 | const text_t dublin_core::formatPrefix() {
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[8219] | 58 | return "dc";
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[8182] | 59 | }
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| 60 |
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| 61 | bool dublin_core::output_record(ostream &output, recptproto *protocol, const text_t &collection,
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| 62 | const text_t &record_OID)
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| 63 | {
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| 64 | return metaformat::output_record(output, protocol, collection, record_OID);
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| 65 | }
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| 66 |
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| 67 | void dublin_core::output_metadata_header(ostream &output)
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| 68 | {
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| 69 | output << " <metadata>\n";
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| 70 |
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| 71 | if (this->oaiConfigure->getOAIVersion() <= 110){
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| 72 | // output dublin core wrapper for OAI v1.1
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| 73 | output << " <dc xmlns=\"http://purl.org/dc/elements/1.1/\"\n"
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| 74 | << " xmlns:xsi=\"http://www.w3c.org/2001/XMLSchema-instance\"\n"
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| 75 | << " xsi:schemaLocation=\"http://purl.org/dc/elements/1.1/\n"
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| 76 | << " http://www.openarchives.org/OAI/1.1/dc.xsd\">\n";
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| 77 | }
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| 78 | else {
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| 79 | output << " <oai_dc:dc\n"
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| 80 | << " xmlns:oai_dc=\"http://www.openarchives.org/OAI/2.0/oai_dc/\"\n"
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| 81 | << " xmlns:dc=\"http://purl.org/dc/elements/1.1/\"\n"
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| 82 | << " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
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| 83 | << " xsi:schemaLocation=\"http://www.openarchives.org/OAI/2.0/oai_dc/\n"
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| 84 | << " http://www.openarchives.org/OAI/2.0/oai_dc.xsd\">\n";
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| 85 | }
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| 86 | }
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| 87 |
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| 88 | void dublin_core::output_metadata_footer(ostream &output)
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| 89 | {
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| 90 | if (this->oaiConfigure->getOAIVersion() <= 110) {
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| 91 | output << " </dc>" << endl;
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| 92 | }
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| 93 | else {
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| 94 | output << " </oai_dc:dc>" << endl;
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| 95 | }
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| 96 |
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| 97 | output << " </metadata>" << endl;
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| 98 | output.flush();
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| 99 | }
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| 100 |
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[21761] | 101 | bool dublin_core::output_custom_metadata(ostream &output, outconvertclass &outconvert, bool &headerDone, const text_t &collection, ResultDocInfo_t &docInfo) {
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[22214] | 102 | text_t value = get_metadata_value(docInfo, "gs.OAIResourceURL");
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[21761] | 103 | if (value.empty()) {
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[24226] | 104 | // try srclinkFile (the metaname "srclink_file" is deprecated, use "srclinkFile")
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| 105 | value = get_metadata_value(docInfo, "srclinkFile");
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[22214] | 106 | if (value.empty()) {
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| 107 | // we have no file to link to, so link to the Greenstone version of the
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| 108 | // document
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| 109 | value = this->oaiConfigure->getBaseLibraryURL()+"?a=d&c="+collection+"&d="+docInfo.OID;
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| 110 | } else {
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| 111 | if (starts_with(value, "[")) {
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| 112 | // its a format statement type value eg [SourceFile], need to get the appropriate metadata
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| 113 | value = substr(findchar(value.begin(), value.end(), '[')+1,findchar(value.begin(), value.end(), ']') );
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| 114 | value = get_metadata_value(docInfo, value);
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| 115 | }
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| 116 |
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| 117 | if (!value.empty()) {
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| 118 | text_t assocfilepath = get_metadata_value(docInfo, "assocfilepath");
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| 119 | if (!assocfilepath.empty()) {
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| 120 | value = this->oaiConfigure->getBaseDocRoot()+"/collect/"+collection+"/index/assoc/"+assocfilepath+"/"+value;
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| 121 | } else {
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| 122 | value = "";
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| 123 | }
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| 124 | }
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| 125 | }
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[21761] | 126 | }
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| 127 | if (!value.empty()) {
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| 128 | if (!headerDone) {
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| 129 | this->output_metadata_header(output);
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| 130 | headerDone = true;
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| 131 | }
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| 132 | if (this->oaiConfigure->getOAIVersion() >= 200) {
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| 133 | output << outconvert << " <dc:identifier>" << xml_safe(value) << "</dc:identifier>\n";
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| 134 | }
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| 135 | else {
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| 136 | output << outconvert << " <identifier>" << xml_safe(value) << "</identifier>\n";
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| 137 | }
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| 138 | }
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[21799] | 139 | return true;
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[21761] | 140 | }
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| 141 |
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[8182] | 142 | bool dublin_core::output_formatdata(ostream &output)
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| 143 | {
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| 144 | output << " <metadataPrefix>oai_dc</metadataPrefix>" << endl;
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| 145 |
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| 146 | if (this->oaiConfigure->getOAIVersion() <= 110) {
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| 147 | output << " <schema>http://www.openarchives.org/OAI/1.1/dc.xsd</schema>" << endl
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| 148 | << " <metadataNamespace>http://purl.org/dc/elements/1.1/</metadataNamespace>" << endl;
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| 149 | }
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| 150 | else {
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| 151 | output << " <schema>http://www.openarchives.org/OAI/2.0/oai_dc.xsd</schema>" << endl
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| 152 | << " <metadataNamespace>http://www.openarchives.org/OAI/2.0/oai_dc/</metadataNamespace>"
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| 153 | << endl;
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| 154 | }
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| 155 | return true;
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| 156 | }
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| 157 |
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