Beispiel #1
0
  public static String RenderTemplatePage(Bindings b, String templateName) throws IOException {

    MediaType mt = MediaType.TEXT_HTML;
    Resource config = model.createResource("eh:/root");
    Mode prefixMode = Mode.PreferPrefixes;
    ShortnameService sns = new StandardShortnameService();

    List<Resource> noResults = CollectionUtils.list(root.inModel(model));
    Graph resultGraph = graphModel.getGraph();

    resultGraph.getPrefixMapping().setNsPrefix("api", API.NS);
    resultGraph.add(Triple.create(root.asNode(), API.items.asNode(), RDF.nil.asNode()));

    APIResultSet rs = new APIResultSet(resultGraph, noResults, true, true, "details", View.ALL);
    VelocityRenderer vr = new VelocityRenderer(mt, null, config, prefixMode, sns);

    VelocityRendering vx = new VelocityRendering(b, rs, vr);

    VelocityEngine ve = vx.createVelocityEngine();
    VelocityContext vc = vx.createVelocityContext(b);

    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    Writer w = new OutputStreamWriter(bos, "UTF-8");
    Template t = ve.getTemplate(templateName);

    t.merge(vc, w);
    w.close();

    return bos.toString();
  }
Beispiel #2
0
  public void doGet(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {
    String path = request.getPathInfo();
    boolean htmlOutput = true;
    String language = null;
    String contentType = "text/html; charset='utf-8'";

    if (path != null) {
      if (path.endsWith(".rdf")) {
        contentType = "application/rdf+xml; charset='utf-8'";
        htmlOutput = false;
        language = "RDF/XML";
      } else if (path.endsWith(".xml")) {
        contentType = "application/xml; charset='utf-8'";
        htmlOutput = false;
        language = "RDF/XML";
      } else if (path.endsWith(".n3")) {
        contentType = "text/n3; charset='utf-8'";
        htmlOutput = false;
        language = "N3";
      }
    }

    response.setContentType(contentType);
    response.setStatus(HttpServletResponse.SC_OK);

    Writer writer = response.getWriter();

    synchronized (board) {
      if (htmlOutput) {
        writer.write(
            "<!DOCTYPE html>\n"
                + "<html lang='en'>"
                + "<head><meta charset='utf-8'/><title>MATe model</title></head>"
                + "<body><ul>");
        StmtIterator it = model.listStatements();
        /* TODO: well, this could be prettier */
        while (it.hasNext()) writer.write("<li>" + it.nextStatement() + "</li>");
        writer.write("<ul></body></html>");
      } else model.write(writer, language);
    }
  }