stanbol-demo.js

var http = require('http');
var url = require('url');

http.createServer(function (request, response) {
  var body = 'Request is :' + request;

  var postData = '';
  request.on('data', function (chunk) {
    postData += chunk;
  });

  request.on('end', function() {
    var options = {
      hostname: '127.0.0.1',
      port: 8880,
      path: '/stanbol/enhancer',
      method: 'POST',
      headers: {
        'Accept': 'application/json',
        'Content-Type': 'text/plain',
        'Content-Length': postData.length
      }
    };

    var stombolResponse = '';
    var stanbol = http.request(options, function(res) {
      res.setEncoding('utf8');
      res.on('data', function (chunk) {
        stombolResponse += chunk;
      });
      res.on('end', function() {
        //console.log('Got JSON: ' + stombolResponse)

        var stombolResponseJson = JSON.parse(stombolResponse);

        response.write(stombolResponse);
        response.write("\n\n\n");

        for(var e in stombolResponseJson["@graph"]) {
          var types = stombolResponseJson["@graph"][e]['@type'];
          var isPerson = false;
          var isPlace = false;
          for(var t in types) {
            if( types[t] === "schema:Person") {
              isPerson = true;
            }
            if( types[t] === "schema:Place") {
              isPlace = true;
            }
          }

          if( isPerson || isPlace ) {
            var enLabel = "(no english label)"
            for(var i in stombolResponseJson["@graph"][e]["rdfs:label"]) {
              if( stombolResponseJson["@graph"][e]["rdfs:label"][i]["@language"] === "en" )
              enLabel = stombolResponseJson["@graph"][e]["rdfs:label"][i]["@value"]
            }

            var confidence = '(unknown)'
            for(var c in stombolResponseJson["@graph"]) {
              if( stombolResponseJson["@graph"][c]["enhancer:entity-reference"] === stombolResponseJson["@graph"][e]["@id"] )
                confidence = stombolResponseJson["@graph"][c]["enhancer:confidence"]
            }

            response.write("\n\nENTITY: " + enLabel + "\n");
            response.write("CONFIDENCE: " + confidence + "\n")
            response.write("ID: " + stombolResponseJson["@graph"][e]["@id"] + "\n");
            response.write("DESCRIPTION: " + stombolResponseJson["@graph"][e]["rdfs:comment"]["@value"] + "\n");
          }

        }
        response.end();
      })
    });
    stanbol.write(postData);
    stanbol.end();

    stanbol.on('error', function(e) {
      console.log('problem with request: ' + e.message);
    });
  });


}).listen(8124);

console.log('Server running at http://127.0.0.1:8124/');