GraphvizWriter.java 文件源码

public GraphvizWriter(Graph graph) throws ScriptException, IOException
{
    super(graph);
    if (true)
    {
        throw new RuntimeException(
                    "Not yet implemented; this is unstable.  The javascript requires Int32Array, which isn't currently provided by Rhino.");
    }

    // precompile the javascript.
    StringBuilder builder = new StringBuilder();
    builder.append(IOUtils.toString(this.getClass().getClassLoader().getResourceAsStream("vizjs/viz.js")));

    builder = new StringBuilder();
    builder.append("function Viz() { console.log('Hello World'); }");

    ScriptEngineManager manager = new ScriptEngineManager();
    ScriptEngine engine = manager.getEngineByName("JavaScript");

    String script = builder.toString();
    Compilable compilingEngine = (Compilable) engine;
    vizJsCompiled = compilingEngine.compile(builder.toString());
}