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Merge pull request #2 from beeldengeluid/master
Some wikidata adapters
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@@ -24,4 +24,5 @@ hs_err_pid* | |
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| # Netbeans | ||
| nbactions.xml | ||
| /target/ | ||
| /target/ | ||
| bin/.project | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,101 @@ | ||
| package nl.knaw.huc.di.nde.recipe; | ||
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| import java.net.MalformedURLException; | ||
| import java.net.URI; | ||
| import java.net.URISyntaxException; | ||
| import java.net.URL; | ||
| import java.util.ArrayList; | ||
| import java.util.Iterator; | ||
| import java.util.LinkedHashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.logging.Level; | ||
| import java.util.logging.Logger; | ||
| import javax.xml.transform.stream.StreamSource; | ||
| import net.sf.saxon.s9api.SaxonApiException; | ||
| import net.sf.saxon.s9api.XdmItem; | ||
| import net.sf.saxon.s9api.XdmNode; | ||
| import nl.knaw.huc.di.nde.Registry; | ||
| import nl.knaw.huc.di.nde.TermDTO; | ||
| import nl.mpi.tla.util.Saxon; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.net.HttpURLConnection; | ||
| import java.net.URL; | ||
| import java.util.Scanner; | ||
| import org.json.*; | ||
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| public class WikiData implements RecipeInterface { | ||
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| final static public Map<String,String> NAMESPACES = new LinkedHashMap<>(); | ||
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| static { | ||
| NAMESPACES.putAll(Registry.NAMESPACES); | ||
| NAMESPACES.put("wikidata", "https://www.wikidata.org/wiki/"); | ||
| }; | ||
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| private static String streamToString(InputStream inputStream) { | ||
| String text = new Scanner(inputStream, "UTF-8").useDelimiter("\\Z").next(); | ||
| return text; | ||
| } | ||
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| public static String jsonGetRequest(URL url) { | ||
| String json = null; | ||
| try { | ||
| HttpURLConnection connection = (HttpURLConnection) url.openConnection(); | ||
| connection.setDoOutput(true); | ||
| connection.setInstanceFollowRedirects(false); | ||
| connection.setRequestMethod("GET"); | ||
| connection.setRequestProperty("Content-Type", "application/json"); | ||
| connection.setRequestProperty("charset", "utf-8"); | ||
| connection.connect(); | ||
| InputStream inStream = connection.getInputStream(); | ||
| json = streamToString(inStream); // input stream to string | ||
| } catch (IOException ex) { | ||
| ex.printStackTrace(); | ||
| } | ||
| return json; | ||
| } | ||
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| @Override | ||
| public List<TermDTO> fetchMatchingTerms(XdmItem config, String match) { | ||
| List<TermDTO> terms = new ArrayList<>(); | ||
| try { | ||
| System.err.println("DBG: Lets cook some WikiData!"); | ||
| String api = Saxon.xpath2string(config, "nde:api", null, WikiData.NAMESPACES); | ||
| String cs = Saxon.xpath2string(config, "nde:conceptScheme", null, WikiData.NAMESPACES); | ||
| System.err.println("DBG: Ingredients:"); | ||
| System.err.println("DBG: - instance["+Saxon.xpath2string(config, "(nde:label)[1]", null, WikiData.NAMESPACES)+"]"); | ||
| System.err.println("DBG: - api["+api+"]"); | ||
| System.err.println("DBG: - conceptScheme["+cs+"]"); | ||
| System.err.println("DBG: - match["+match+"]"); | ||
| // https://www.wikidata.org/w/api.php?action=wbsearchentities&search=andre%20van%20duin&format=json&language=en&type=item&continue=0 | ||
| URL url = new URL(api + "/w/api.php?action=wbsearchentities&search="+ match + "&language=en&format=json&type=item&continue=0");//api+"/find-concepts?q=prefLabel:"+match+"&conceptScheme="+cs+"&fl=uri,prefLabel,altLabel"); | ||
| System.err.println("DBG: = url["+url+"]"); | ||
| JSONObject termsObject = new JSONObject(jsonGetRequest(url)); | ||
| System.err.println("DBG: " + jsonGetRequest(url)); | ||
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| JSONArray termsArray = termsObject.getJSONArray("search"); | ||
| for (int i = 0; i < termsArray.length(); i++) | ||
| { | ||
| JSONObject termObject = termsArray.getJSONObject(i); | ||
| TermDTO term = new TermDTO(); | ||
| term.uri = new URI(termObject.getString("concepturi")); | ||
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| //TODO: retrieve the whole concept information from its URI and get all labels | ||
| term.prefLabel = new ArrayList<>(); | ||
| term.prefLabel.add(termObject.getString("label")); | ||
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| term.altLabel = new ArrayList<>(); | ||
| term.altLabel.add(termObject.getString("label")); | ||
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| terms.add(term); | ||
| } | ||
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| } catch (SaxonApiException | MalformedURLException | URISyntaxException ex) { | ||
| Logger.getLogger(WikiData.class.getName()).log(Level.SEVERE, null, ex); | ||
| } | ||
| return terms; | ||
| } | ||
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| } |
124 changes: 124 additions & 0 deletions
124
src/main/java/nl/knaw/huc/di/nde/recipe/WikiDataGTAAConcepts.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| package nl.knaw.huc.di.nde.recipe; | ||
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| import java.net.MalformedURLException; | ||
| import java.net.URI; | ||
| import java.net.URISyntaxException; | ||
| import java.net.URL; | ||
| import java.util.ArrayList; | ||
| import java.util.Iterator; | ||
| import java.util.LinkedHashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.logging.Level; | ||
| import java.util.logging.Logger; | ||
| import javax.xml.transform.stream.StreamSource; | ||
| import net.sf.saxon.s9api.SaxonApiException; | ||
| import net.sf.saxon.s9api.XdmItem; | ||
| import net.sf.saxon.s9api.XdmNode; | ||
| import nl.knaw.huc.di.nde.Registry; | ||
| import nl.knaw.huc.di.nde.TermDTO; | ||
| import nl.mpi.tla.util.Saxon; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.net.HttpURLConnection; | ||
| import java.net.URL; | ||
| import java.util.Scanner; | ||
| import org.json.*; | ||
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| //TODO: Get this to inherit nicely from Wikdata recipe | ||
| public class WikiDataGTAAConcepts implements RecipeInterface { | ||
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| final static public Map<String,String> NAMESPACES = new LinkedHashMap<>(); | ||
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| static { | ||
| NAMESPACES.putAll(Registry.NAMESPACES); | ||
| NAMESPACES.put("wikidata", "https://www.wikidata.org/wiki/"); | ||
| }; | ||
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| private static String streamToString(InputStream inputStream) { | ||
| String text = new Scanner(inputStream, "UTF-8").useDelimiter("\\Z").next(); | ||
| return text; | ||
| } | ||
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| public static String jsonGetRequest(URL url) { | ||
| String json = null; | ||
| try { | ||
| HttpURLConnection connection = (HttpURLConnection) url.openConnection(); | ||
| connection.setDoOutput(true); | ||
| connection.setInstanceFollowRedirects(false); | ||
| connection.setRequestMethod("GET"); | ||
| connection.setRequestProperty("Content-Type", "application/json"); | ||
| connection.setRequestProperty("charset", "utf-8"); | ||
| connection.connect(); | ||
| InputStream inStream = connection.getInputStream(); | ||
| json = streamToString(inStream); // input stream to string | ||
| } catch (IOException ex) { | ||
| ex.printStackTrace(); | ||
| } | ||
| return json; | ||
| } | ||
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| @Override | ||
| public List<TermDTO> fetchMatchingTerms(XdmItem config, String match) { | ||
| List<TermDTO> terms = new ArrayList<>(); | ||
| try { | ||
| System.err.println("DBG: Lets cook some WikiData!"); | ||
| String api = Saxon.xpath2string(config, "nde:api", null, WikiDataGTAAConcepts.NAMESPACES); | ||
| String cs = Saxon.xpath2string(config, "nde:conceptScheme", null, WikiDataGTAAConcepts.NAMESPACES); | ||
| System.err.println("DBG: Ingredients:"); | ||
| System.err.println("DBG: - instance["+Saxon.xpath2string(config, "(nde:label)[1]", null, WikiDataGTAAConcepts.NAMESPACES)+"]"); | ||
| System.err.println("DBG: - api["+api+"]"); | ||
| System.err.println("DBG: - conceptScheme["+cs+"]"); | ||
| System.err.println("DBG: - match["+match+"]"); | ||
| // https://www.wikidata.org/w/api.php?action=wbsearchentities&search=andre%20van%20duin&format=json&language=en&type=item&continue=0&props=www.wikidata.org/wiki/Property:P1741 | ||
| //TODO: proper URL escaping | ||
| URL url = new URL(api + "/w/api.php?action=wbsearchentities&search="+ match.replace(" ","%20") + "&language=en&format=json&type=item&continue=0");//api+"/find-concepts?q=prefLabel:"+match+"&conceptScheme="+cs+"&fl=uri,prefLabel,altLabel"); | ||
| System.err.println("DBG: = url["+url+"]"); | ||
| JSONObject termsObject = new JSONObject(jsonGetRequest(url)); | ||
| System.err.println("DBG: " + jsonGetRequest(url)); | ||
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| JSONArray termsArray = termsObject.getJSONArray("search"); | ||
| for (int i = 0; i < termsArray.length(); i++) | ||
| { | ||
| JSONObject termObject = termsArray.getJSONObject(i); | ||
| TermDTO term = new TermDTO(); | ||
| term.uri = new URI(termObject.getString("concepturi")); | ||
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| //TODO: try to get all the labels, not just the one returned by the query | ||
| term.prefLabel = new ArrayList<>(); | ||
| term.prefLabel.add(termObject.getString("label")); | ||
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| term.altLabel = new ArrayList<>(); | ||
| term.altLabel.add(termObject.getString("label")); | ||
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| //check if is GTAA using prop=links | ||
| URL linksUrl = new URL(api + "/w/api.php?action=parse&pageid="+ termObject.getInt("pageid") + "&format=json&prop=links");//api+"/find-concepts?q=prefLabel:"+match+"&conceptScheme="+cs+"&fl=uri,prefLabel,altLabel"); | ||
| System.err.println("DBG: Links URL" + linksUrl); | ||
| JSONObject linksUrlObject = new JSONObject(jsonGetRequest(linksUrl)); | ||
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| JSONObject parseObject = linksUrlObject.getJSONObject("parse"); | ||
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| JSONArray linksArray = parseObject.getJSONArray("links"); | ||
|
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| for (int j=0; j< linksArray.length();j++) | ||
| { | ||
| JSONObject linkObject = linksArray.getJSONObject(j); | ||
| System.err.println("Processing link" +linkObject.getString("*")); | ||
| if(linkObject.getString("*").equals("Property:P1741")) | ||
| { | ||
| System.err.println("DBG: adding term"); | ||
| terms.add(term); | ||
| } | ||
| } | ||
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| } | ||
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| } catch (SaxonApiException | MalformedURLException | URISyntaxException ex) { | ||
| Logger.getLogger(WikiDataGTAAConcepts.class.getName()).log(Level.SEVERE, null, ex); | ||
| } | ||
| return terms; | ||
| } | ||
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| } |