1 | #include "metaformatsaction.h"
|
---|
2 | #include "metaformat.h"
|
---|
3 | #include "oaitools.h"
|
---|
4 |
|
---|
5 | bool metaformatsaction::validateAction(recptproto *protocol, oaiargs ¶ms)
|
---|
6 | {
|
---|
7 | int numArgs = 1; // the number of expected arguments
|
---|
8 |
|
---|
9 | // increase the number of expected arguments if the optional 'identifier' argument
|
---|
10 | // is given
|
---|
11 | if (params["identifier"] != "") {
|
---|
12 | ++numArgs;
|
---|
13 | }
|
---|
14 |
|
---|
15 | // If the total number of params isn't equal to the number of valid
|
---|
16 | // args (i.e. we have an arg but it isn't the identifier), throw an error
|
---|
17 | if((params.getSize() != numArgs)){
|
---|
18 | this->errorType = "badArgument";
|
---|
19 | return false;
|
---|
20 | }
|
---|
21 |
|
---|
22 | // Variables to hold identifier in Greenstone format
|
---|
23 | text_t docID = params["identifier"];
|
---|
24 | text_t collection = "";
|
---|
25 |
|
---|
26 | // The following two variables are used solely by the get_info() function call to test if
|
---|
27 | // the identifier supplied is an actual document. If it isn't, we need to throw an exception.
|
---|
28 | const text_tset metadata;
|
---|
29 |
|
---|
30 | // Check for the existence, etc. of the record if an identifier is given.
|
---|
31 | if (docID != "") {
|
---|
32 | oaiclassifier::toGSDL(collection, docID);
|
---|
33 |
|
---|
34 | // Only throw an error if we're using v2.0.
|
---|
35 | // v1.1 should simply return a response without a metadataFormat container. 1.1
|
---|
36 | // should still set the errorType so we know that the error was encountered
|
---|
37 |
|
---|
38 | // the information retrieved here is retained for the output_content function below
|
---|
39 | if (!get_info(docID, collection, "", metadata, false, protocol, this->gsdlResponse, cerr)){
|
---|
40 | this->errorType = "idDoesNotExist";
|
---|
41 | if(this->configuration->getOAIVersion() >= 200) {
|
---|
42 | return false;
|
---|
43 | }
|
---|
44 | }
|
---|
45 | }
|
---|
46 | return true;
|
---|
47 | }
|
---|
48 |
|
---|
49 | bool metaformatsaction::output_content(ostream &output, recptproto *protocol, oaiargs ¶ms)
|
---|
50 | {
|
---|
51 | // if an identifier parameter is being used, then respond to it - currently we reject anything other
|
---|
52 | // than dublin core (unqualified)
|
---|
53 | //
|
---|
54 | // TODO: only return the selected identifier (if given) and don't validate the entry; just
|
---|
55 | // return nothing if an invalid or unknown metadata format is given
|
---|
56 |
|
---|
57 | // give the required xml response
|
---|
58 |
|
---|
59 | text_t gsdlId = params["identifier"];
|
---|
60 | text_t gsdlCollect;
|
---|
61 |
|
---|
62 | // convert record identifier into GSDL format from OAI
|
---|
63 | if (gsdlId != "") {
|
---|
64 | oaiclassifier::toGSDL(gsdlCollect, gsdlId);
|
---|
65 | }
|
---|
66 |
|
---|
67 | metaformat_map::iterator here = this->formats->begin();
|
---|
68 | metaformat_map::iterator end = this->formats->end();
|
---|
69 |
|
---|
70 | // v1.1 should check that the id - if supplied - didn't cause an error. If it did,
|
---|
71 | // don't output the metadataFormat tags. OAI v2.0 should already have bailed.
|
---|
72 | if(this->errorType != "idDoesNotExist"){
|
---|
73 | while (here != end) { // Loop through the repository's supported metadata formats
|
---|
74 | bool doOutput = true;
|
---|
75 |
|
---|
76 | // if we were given an identifier, then check if it supports the metadata format in question
|
---|
77 | if (gsdlId != "") {
|
---|
78 | doOutput = here->second.get_class()->is_available(gsdlCollect, this->gsdlResponse.docInfo[0]);
|
---|
79 | }
|
---|
80 |
|
---|
81 | if (doOutput) {
|
---|
82 | output << " <metadataFormat>" << endl;
|
---|
83 | here->second.get_class()->output_formatdata(output);
|
---|
84 | output << " </metadataFormat>\n";
|
---|
85 | }
|
---|
86 | ++here;
|
---|
87 | }
|
---|
88 | }
|
---|
89 |
|
---|
90 | return true;
|
---|
91 | }
|
---|
92 |
|
---|
93 | void metaformatsaction::setConfiguration(oaiconfig *configuration)
|
---|
94 | {
|
---|
95 | this->configuration = configuration;
|
---|
96 |
|
---|
97 | metaformat_map::iterator here = this->formats->begin();
|
---|
98 | metaformat_map::iterator end = this->formats->end();
|
---|
99 | while (here != end) {
|
---|
100 | here->second.set_configuration((oaiconfig *) configuration);
|
---|
101 | ++here;
|
---|
102 | }
|
---|
103 | }
|
---|
104 |
|
---|