问在java中运行d3 javascript

EN

  public static void main(String args[]) throws Exception {
    ScriptEngine js = new ScriptEngineManager().getEngineByName("javascript");
    Bindings bindings = js.getBindings(ScriptContext.ENGINE_SCOPE);
    bindings.put("stdout", System.out);
    System.out.println(
    js.eval(FileUtils.readFileToString(new File("d3Example.js")))
    );
  }

var require = (function () {
var _required = {};
return (function (url, callback) {
    if (typeof url == 'object') {
        // We've (hopefully) got an array: time to chain!
        if (url.length > 1) {
            // Load the nth file as soon as everything up to the
            // n-1th one is done.
            require(url.slice(0,url.length-1), function () {
                require(url[url.length-1], callback);
            });
        } else if (url.length == 1) {
            require(url[0], callback);
        }
        return;
    }
});
})();


require(['d3.v3.min.js'], function () {
var width = 960,
    height = 500;

var x = d3.scale.linear()
    .range([0, width]);

var y = d3.scale.linear()
    .range([0, height]);

var projection = d3.geo.transform({
  point: function(px, py) { this.stream.point(x(px), y(py)); }
});

var path = d3.geo.path()
    .projection(projection);

var svg = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height);

d3.json("geo.json", function(error, geo) {
  x.domain(d3.extent(geo.features, function(d) { return d.properties.Easting; }));
  y.domain(d3.extent(geo.features, function(d) { return d.properties.Northing; }));

  svg.append("path")
      .datum(geo)
      .attr("class", "lot")
      .attr("d", path);
});


});