public String wfsRequest() {
    // String getCapabilities =
    // "http://"+host+":"+port+"/geoserver/"+workspace+"/wfs?REQUEST=GetCapabilities&version=1.0.0";
    String getCapabilities =
        "http://"
            + host
            + ":"
            + port
            + "/geoserver/"
            + workspace
            + "/ows?REQUEST=GetCapabilities&version=1.1.1&service=WFS";
    Map connectionParameters = new HashMap();
    connectionParameters.put("WFSDataStoreFactory:GET_CAPABILITIES_URL", getCapabilities);
    connectionParameters.put("WFSDataStoreFactory:USERNAME", "admin");
    connectionParameters.put("WFSDataStoreFactory:PASSWORD", "geoserver");
    connectionParameters.put("WFSDataStoreFactory:WFS_STRATEGY", "geoserver");
    connectionParameters.put("WFSDataStoreFactory:MAXFEATURES", 1000);
    WFSDataStoreFactory dsf = new WFSDataStoreFactory();
    try {
      // WFS_1_0_0_DataStore wfs = dsf.createDataStore(connectionParameters);
      WFSDataStore dataStore = dsf.createDataStore(connectionParameters);

      String[] typeNames = dataStore.getTypeNames();
      System.out.println(ArrayUtils.toString(typeNames));

      SimpleFeatureSource source = dataStore.getFeatureSource(workspace + ":" + layer);
      SimpleFeatureCollection fc = source.getFeatures();
      StringWriter writer = new StringWriter();
      while (fc.features().hasNext()) {
        SimpleFeature sf = fc.features().next();
        System.out.println(sf.getAttribute("myname"));
        FeatureJSON fjson = new FeatureJSON();
        fjson.writeFeature(sf, writer);
      }
      String geojson = writer.toString();
      return geojson;
    } catch (IOException ex) {
      ex.printStackTrace();
    }
    return null;
  }
  public IService createService(URL id, Map<String, Serializable> params) {
    if (params == null || !params.containsKey(WFSDataStoreFactory.URL.key)) return null;

    if (!params.containsKey(WFSDataStoreFactory.LENIENT.key)) {
      params.put(WFSDataStoreFactory.LENIENT.key, true);
    }
    if (!params.containsKey(WFSDataStoreFactory.TRY_GZIP.key)) {
      params.put(WFSDataStoreFactory.TRY_GZIP.key, true);
    }
    if (id == null) {
      URL base = (URL) params.get(WFSDataStoreFactory.URL.key);
      if (base == null) {
        return null;
      }
      id = WFSDataStoreFactory.createGetCapabilitiesRequest(base);
    }
    return new WFSServiceImpl(id, params);
  }