private void showNewestResources(AppleResponse res, AppleRequest req) {
Map<String, Object> bizData = new HashMap<String, Object>();
bizData.put("nyeste", adminService.getNewestResources());
bizData.put("mode", mode);
bizData.put("loggedin", loggedIn);
StringBuilder params = adminService.getMostOfTheRequestXML(req);
params.append("\n </request>\n");
bizData.put("request", params.toString());
res.sendPage(format + "/nyeste", bizData);
}
private void showNewestResourcesRSS(AppleResponse res, AppleRequest req) {
Map<String, Object> bizData = new HashMap<String, Object>();
bizData.put("result-list", adminService.getNewestResources());
bizData.put("navigation", "<empty/>");
bizData.put("mode", "search-result");
bizData.put("searchparams", "<empty/>");
StringBuilder params = adminService.getMostOfTheRequestXML(req);
params.append("\n </request>\n");
bizData.put("request", params.toString());
bizData.put("loggedin", loggedIn);
bizData.put("messages", "<empty/>");
bizData.put("abovemaxnumberofhits", "false");
bizData.put("comment", "<empty/>");
System.gc();
res.sendPage(format + "/sparql-result", bizData);
}
private void doGetTopic(AppleResponse res, AppleRequest req) {
String subject =
"<" + getProperty("sublima.base.url") + "topic/" + req.getSitemapParameter("topic") + ">";
Map<String, Object> bizData = new HashMap<String, Object>();
bizData.put("result-list", adminService.getTopicDetailsForTopicPage(subject));
bizData.put("navigation", adminService.getNavigationDetailsForTopicPage(subject));
bizData.put("mode", mode);
StringBuilder params = adminService.getMostOfTheRequestXML(req);
// These will not be brought along unless we add it as request parameters, which is hackish.
params.append("\n <param key=\"wdr:describedBy\">");
params.append(
"\n <value>http://sublima.computas.com/status/godkjent_av_administrator</value>");
params.append("\n </param>");
params.append("\n <param key=\"prefix\">");
params.append("\n <value>wdr: <http://www.w3.org/2007/05/powder%23></value>");
params.append("\n <value>dct: <http://purl.org/dc/terms/></value>");
params.append("\n <value>rdfs: <http://www.w3.org/2000/01/rdf-schema%23></value>");
params.append("\n <value>skos: <http://www.w3.org/2004/02/skos/core%23></value>");
params.append("\n </param>");
params.append("\n </request>\n");
bizData.put("request", params.toString());
bizData.put("loggedin", loggedIn);
bizData.put("searchparams", "<empty/>");
bizData.put("messages", "<empty/>");
bizData.put("abovemaxnumberofhits", "false");
bizData.put("comment", "<empty/>");
System.gc();
res.sendPage(format + "/sparql-result", bizData);
}
@SuppressWarnings("unchecked")
public void process(AppleRequest req, AppleResponse res) throws Exception {
loggedIn = appMan.isLoggedIn("Sublima");
this.mode = req.getSitemapParameter("mode");
this.format = req.getSitemapParameter("format");
if (format == null || "html".equalsIgnoreCase(format) || "".equalsIgnoreCase(format)) {
format = "xml";
}
LanguageService langServ = new LanguageService();
String language = langServ.checkLanguage(req, res);
logger.trace(
"SearchController: Language from sitemap is "
+ req.getSitemapParameter("interface-language"));
logger.trace("SearchController: Language from service is " + language);
// The initial advanced search page
if ("advancedsearch".equalsIgnoreCase(mode)) {
Map<String, Object> bizData = new HashMap<String, Object>();
bizData.put("loggedin", loggedIn);
if (loggedIn) {
bizData.put(
"statuses",
adminService.getDistinctAndUsedLabels(
"<http://www.w3.org/2007/05/powder#DR>",
"<http://www.w3.org/2007/05/powder#describedBy>"));
} else {
bizData.put("statuses", "<empty></empty>");
}
bizData.put(
"languages",
adminService.getDistinctAndUsedLabels(
"<http://www.lingvoj.org/ontology#Lingvo>", "dct:language"));
bizData.put("mediatypes", adminService.getDistinctAndUsedLabels("dct:MediaType", "dct:type"));
bizData.put(
"audiences", adminService.getDistinctAndUsedLabels("dct:AgentClass", "dct:audience"));
bizData.put(
"committers",
adminService.getDistinctAndUsedLabels(
"<http://rdfs.org/sioc/ns#User>", "<http://xmlns.computas.com/sublima#committer>"));
StringBuilder params = adminService.getMostOfTheRequestXML(req);
params.append("\n </request>\n");
bizData.put("facets", params.toString());
System.gc();
res.sendPage("xml/advancedsearch", bizData);
return;
}
// If it's search-results for advanced search, topic instance or resource
if ("resource".equalsIgnoreCase(mode) || "search-result".equalsIgnoreCase(mode)) {
doAdvancedSearch(res, req);
return;
}
if ("topic".equalsIgnoreCase(mode)) {
doGetTopic(res, req);
}
if ("nyeste".equalsIgnoreCase(mode) && !"rss".equalsIgnoreCase(format)) {
showNewestResources(res, req);
return;
}
if ("nyeste".equalsIgnoreCase(mode) && "rss".equalsIgnoreCase(format)) {
showNewestResourcesRSS(res, req);
}
}
public void doAdvancedSearch(AppleResponse res, AppleRequest req) {
// Get all parameteres from the HTML form as Map
Map<String, String[]> parameterMap =
new TreeMap<String, String[]>(createParametersMap(req.getCocoonRequest()));
Map<String, Object> bizData = new HashMap<String, Object>();
boolean abovemaxnumberofhits = false;
StringBuilder messageBuffer = new StringBuilder();
messageBuffer.append(
"<c:messages xmlns:i18n=\"http://apache.org/cocoon/i18n/2.1\" xmlns:c=\"http://xmlns.computas.com/cocoon\">\n");
// Boolean that can be set to false if we don't want the actual search to be performed.
// Typically when the search string is empty.
boolean doSearch = true;
// Temporary to override the sparql query upopn freetext search
boolean freetext = false;
String searchStringOverriden = null;
boolean doBigSearchAnyway = (parameterMap.get("dobigsearchanyway") != null);
parameterMap.remove("dobigsearchanyway");
// Create an XML structure of the search criterias. This could probably be nore generic.
StringBuilder xmlSearchParametersBuffer = new StringBuilder();
xmlSearchParametersBuffer.append(
"<c:searchparams xmlns:c=\"http://xmlns.computas.com/cocoon\">\n");
if (req.getCocoonRequest().getParameter("searchstring") == null) {
xmlSearchParametersBuffer.append("\t<c:searchstring></c:searchstring>\n");
} else {
String searchstring = req.getCocoonRequest().getParameter("searchstring");
searchstring = searchstring.replace("&", "&");
searchstring = searchstring.replace("<", "<");
searchstring = searchstring.replace(">", ">");
xmlSearchParametersBuffer.append("\t<c:searchstring>" + searchstring + "</c:searchstring>\n");
}
xmlSearchParametersBuffer.append(
"\t<c:operator>"
+ req.getCocoonRequest().getParameter("booleanoperator")
+ "</c:operator>\n");
xmlSearchParametersBuffer.append(
"\t<c:deepsearch>"
+ req.getCocoonRequest().getParameter("deepsearch")
+ "</c:deepsearch>\n");
xmlSearchParametersBuffer.append(
"\t<c:sortby>" + req.getCocoonRequest().getParameter("sort") + "</c:sortby>\n");
xmlSearchParametersBuffer.append(
"\t<c:exactmatch>"
+ req.getCocoonRequest().getParameter("exactmatch")
+ "</c:exactmatch>\n");
xmlSearchParametersBuffer.append("</c:searchparams>\n");
if ("resource".equalsIgnoreCase(mode)) {
parameterMap.put(
"prefix",
new String[] {
"dct: <http://purl.org/dc/terms/>",
"rdfs: <http://www.w3.org/2000/01/rdf-schema#>",
"skos: <http://www.w3.org/2004/02/skos/core#>"
});
parameterMap.put(
"interface-language", new String[] {req.getSitemapParameter("interface-language")});
parameterMap.put(
"dct:identifier",
new String[] {
getProperty("sublima.base.url") + "resource/" + req.getSitemapParameter("name")
});
parameterMap.put("dct:subject/skos:prefLabel", new String[] {""});
}
if (parameterMap.get("searchstring") != null) {
if (req.getCocoonRequest().getParameter("searchstring").trim().equalsIgnoreCase("")) {
doSearch = false;
} else {
// When true, we override the searchstring later in the code
freetext = true;
searchStringOverriden =
freeTextSearchString(
req.getCocoonRequest().getParameter("searchstring"),
req.getCocoonRequest().getParameter("booleanoperator"),
(req.getCocoonRequest().getParameter("exactmatch") != null),
false);
parameterMap.put("searchstring", new String[] {searchStringOverriden});
parameterMap.remove("booleanoperator");
parameterMap.remove("sort");
parameterMap.remove("sortorder");
parameterMap.remove("exactmatch");
}
}
// sending the result
String sparqlQuery = null;
String countNumberOfHitsQuery = null;
String moreThanZeroHitsQuery = null;
// Check for magic prefixes
if (parameterMap.get("prefix") != null) {
// Calls the Form2SPARQL service with the parameterMap which returns
// a SPARQL as String
Form2SparqlService form2SparqlService =
new Form2SparqlService(parameterMap.get("prefix"), parameterMap.get("freetext-field"));
parameterMap.remove("prefix"); // The prefixes are magic variables
parameterMap.remove("freetext-field"); // The freetext-fields are magic variables too
parameterMap.remove("res-view"); // As is this
boolean truncate =
Boolean.valueOf(SettingsService.getProperty("sublima.advancedsearch.truncate"));
// Test if some of the free text fields in the advanced search form exists, if so we build a
// proper search string
if (req.getCocoonRequest().getParameter("dct:title") != null
&& !"".equals(req.getCocoonRequest().getParameter("dct:title"))) {
parameterMap.remove("dct:title");
form2SparqlService.setTruncate(truncate);
searchStringOverriden =
freeTextSearchString(
req.getCocoonRequest().getParameter("dct:title"), "AND", true, true);
parameterMap.put("dct:title", new String[] {searchStringOverriden});
}
if (req.getCocoonRequest().getParameter("dct:subject/sub:literals") != null
&& !"".equals(req.getCocoonRequest().getParameter("dct:subject/sub:literals"))) {
parameterMap.remove("dct:subject/sub:literals");
form2SparqlService.setTruncate(truncate);
searchStringOverriden =
freeTextSearchString(
req.getCocoonRequest().getParameter("dct:subject/sub:literals"), "AND", true, true);
parameterMap.put("dct:subject/sub:literals", new String[] {searchStringOverriden});
}
if (req.getCocoonRequest().getParameter("dct:description") != null
&& !"".equals(req.getCocoonRequest().getParameter("dct:description"))) {
parameterMap.remove("dct:description");
form2SparqlService.setTruncate(truncate);
searchStringOverriden =
freeTextSearchString(
req.getCocoonRequest().getParameter("dct:description"), "AND", true, true);
parameterMap.put("dct:description", new String[] {searchStringOverriden});
}
if (req.getCocoonRequest().getParameter("dct:publisher/foaf:name") != null
&& !"".equals(req.getCocoonRequest().getParameter("dct:publisher/foaf:name"))) {
parameterMap.remove("dct:publisher/foaf:name");
form2SparqlService.setTruncate(truncate);
searchStringOverriden =
freeTextSearchString(
req.getCocoonRequest().getParameter("dct:publisher/foaf:name"), "AND", true, true);
parameterMap.put("dct:publisher/foaf:name", new String[] {searchStringOverriden});
}
// Keep a copy of the original parameterMap so that we can reuse it later
Map<String, String[]> parameterMapBackup = new TreeMap<String, String[]>(parameterMap);
sparqlQuery = form2SparqlService.convertForm2Sparql(parameterMap);
countNumberOfHitsQuery =
form2SparqlService.convertForm2SparqlCount(
parameterMap,
Integer.valueOf(SettingsService.getProperty("sublima.search.maxhitsbeforestop")));
// OKE-562 If the search returns 0 hits, do a deep search if such is enabled.
boolean zeroHitsStrategyEnables =
Boolean.valueOf(getProperty("sulima.deepsearch.when.zero.hits"));
if (freetext && zeroHitsStrategyEnables) {
moreThanZeroHitsQuery = form2SparqlService.convertForm2SparqlMoreThanZeroHits(parameterMap);
String moreThanZeroHitsResult = (String) sparqlDispatcher.query(moreThanZeroHitsQuery);
if (moreThanZeroHitsResult == null || !moreThanZeroHitsResult.contains("<uri>")) {
form2SparqlService.setDeepsearch(true);
form2SparqlService.nullN3List();
sparqlQuery = form2SparqlService.convertForm2Sparql(parameterMapBackup);
countNumberOfHitsQuery =
form2SparqlService.convertForm2SparqlCount(
parameterMapBackup,
Integer.valueOf(SettingsService.getProperty("sublima.search.maxhitsbeforestop")));
messageBuffer.append(
"<c:message><i18n:text key=\"search.zerohits\">Ingen treff i ressursenes metadata, utførte derfor et dypere søk som også inkluderte søk i ressursenes eksterne innhold.</i18n:text></c:message>");
}
}
} else {
res.sendStatus(400);
}
// logger.trace("doAdvancedSearch: SPARQL query sent to dispatcher:\n" + sparqlQuery);
Object queryResult;
if (doBigSearchAnyway) {
// This will do the search despite it being large, thus populating the cache
queryResult = sparqlDispatcher.query(sparqlQuery);
} else if (doSearch) {
if (adminService.isAboveMaxNumberOfHits(countNumberOfHitsQuery)) {
// We are above the threshold, lets see if we have it cached
CachingService cache = new CachingService();
MemcachedClient memcached = cache.connect();
String cacheString =
sparqlQuery.replaceAll("\\s+", " ") + SettingsService.getProperty("sublima.base.url");
String cacheKey =
String.valueOf(
cacheString.hashCode()); // We could parse the query first to get a better key
// logger.trace("SPARQLdispatcher hashing for use as key.\n" + cacheString + "\n");
if (cache.ask(memcached, cacheKey)) {
logger.debug("SearchController found the query in the cache.");
queryResult = sparqlDispatcher.query(sparqlQuery); // Cache will be used in here.
abovemaxnumberofhits = false;
} else {
Request r = req.getCocoonRequest();
String uri = r.getScheme() + "://" + r.getServerName();
if (r.getServerPort() != 80) {
uri = uri + ":" + r.getServerPort();
}
uri = uri + r.getRequestURI() + "?dobigsearchanyway=true&" + r.getQueryString();
heavylogger.info(uri);
queryResult = "<empty/>";
abovemaxnumberofhits = true;
}
} else {
// We are below the threshold, do the search. Cache will be checked
queryResult = sparqlDispatcher.query(sparqlQuery);
abovemaxnumberofhits = false;
}
} else {
queryResult = "<empty/>";
}
Object navigationResults = "<empty></empty>";
if (searchStringOverriden != null && searchStringOverriden.length() > 0) {
// Now get the matching topics
String sparqlTopicsQuery = null;
if (!searchStringOverriden.isEmpty() && !"''".equals(searchStringOverriden)) {
sparqlTopicsQuery =
"PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#> \n"
+ "PREFIX skos: <http://www.w3.org/2004/02/skos/core#> \n"
+ "PREFIX owl: <http://www.w3.org/2002/07/owl#> \n"
+ "PREFIX wdr: <http://www.w3.org/2007/05/powder#>\n"
+ "PREFIX sub: <http://xmlns.computas.com/sublima#>\n"
+ "DESCRIBE ?subject WHERE {\n"
+ " ?subject sub:literals ?lit .\n"
+ " ?lit <bif:contains> \"\"\""
+ searchStringOverriden
+ "\"\"\" . \n"
+ " ?subject a skos:Concept .\n"
+ " ?subject wdr:describedBy <http://sublima.computas.com/status/godkjent_av_administrator> . \n"
+ "\n}\n";
// logger.trace("doAdvanced: SPARQL query to get topics sent to dispatcher:\n" +
// sparqlTopicsQuery);
navigationResults = sparqlDispatcher.query(sparqlTopicsQuery);
} else {
navigationResults = "<empty/>";
}
}
bizData.put("result-list", queryResult);
bizData.put("navigation", navigationResults);
bizData.put("mode", mode);
bizData.put("searchparams", xmlSearchParametersBuffer.toString());
StringBuilder params = adminService.getMostOfTheRequestXML(req);
params.append("\n </request>\n");
messageBuffer.append("</c:messages>");
bizData.put("request", params.toString());
bizData.put("loggedin", loggedIn);
bizData.put("messages", messageBuffer.toString());
bizData.put("abovemaxnumberofhits", abovemaxnumberofhits);
bizData.put("comment", "<empty/>");
System.gc();
res.sendPage(format + "/sparql-result", bizData);
}