1 | /**********************************************************************
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2 | *
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3 | * oaidispatcher.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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26 |
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27 | #include "oaidispatcher.h"
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28 |
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29 | oaidispatcher::oaidispatcher()
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30 | { this->configuration = NULL;
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31 | }
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32 |
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33 | oaidispatcher::~oaidispatcher()
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34 | {
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35 | oaiactionmap::iterator here = this->actions.begin();
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36 | oaiactionmap::iterator end = this->actions.end();
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37 |
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38 | while (here != end) {
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39 | delete here->second;
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40 | ++here;
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41 | }
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42 | }
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43 |
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44 | void oaidispatcher::addAction(oaiaction *thisAction) {
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45 | thisAction->setConfiguration(this->configuration);
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46 | this->actions[thisAction->getName()] = thisAction;
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47 | }
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48 |
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49 | void oaidispatcher::doAction(ostream &output, recptproto *protocol, oaiargs &args) {
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50 |
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51 | text_t verb = args["Verb"];
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52 | if(verb == "") verb = args["verb"];
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53 |
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54 | oaiaction *action = actions[verb];
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55 |
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56 | if (action != NULL) {
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57 | action->getResponse(output, protocol, args);
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58 | }
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59 | else {
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60 | // If the verb isn't correct, send an error.
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61 | action = actions["Identify"];
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62 | text_t responseDate, requestURL;
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63 | int version = this->configuration->getOAIVersion();
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64 | action->getResponseDate(responseDate);
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65 | oaiargs emptySet;
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66 | action->getRequestURL(emptySet, requestURL);
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67 |
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68 | // Bad verb is signified by a status 400 response for OAI 1.1
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69 | if (version <= 110) {
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70 | output << "Status: 400\n";
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71 | }
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72 | else {
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73 | output << "Status: 200\n";
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74 | }
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75 | output << "Content-type: text/xml" << endl << endl;
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76 | output << "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n";
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77 |
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78 | if(version <= 110){
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79 | // output OAI v1.1 action header tag - nil, as there is no valid heeader for the action
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80 | /*
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81 | output << "<" << action->name;
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82 | output << "\n xmlns=\"http://www.openarchives.org/OAI/1.1/OAI_" << action->name << "\" ";
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83 | output << "\n xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" ";
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84 | output << "\n xsi:schemaLocation=\"http://www.openarchives.org/OAI/1.1/OAI_" << action->name;
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85 | output << "\n http://www.openarchives.org/OAI/1.1/OAI_" << action->name << ".xsd\">\n";
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86 | */
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87 | }
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88 | else {
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89 | // output OAI v2.0 action header tag
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90 | text_t baseDocRoot = this->configuration->getRelativeBaseDocRoot();
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91 | output << "<?xml-stylesheet type=\"text/xsl\" href=\""<<baseDocRoot<<"/web/style/oai2.xsl\" ?>\n";
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92 | output << "<OAI-PMH xmlns=\"http://www.openarchives.org/OAI/2.0/\"\n"
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93 | << " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"\n"
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94 | << " xsi:schemaLocation=\"http://www.openarchives.org/OAI/2.0/\n"
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95 | << " http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd\">\n"
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96 | << " <responseDate>" << responseDate << "</responseDate>\n"
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97 | << requestURL
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98 | << " <error code=\"badVerb\">Illegal OAI verb</error>\n"
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99 | << "</OAI-PMH>\n";
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100 | }
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101 |
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102 | /*
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103 | cout << "<title>Bad OAI request</title>" << endl;
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104 | cout << "<h1>Bad OAI request</h1>" << endl;
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105 | */
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106 | }
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107 | output.flush();
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108 | }
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