+
+ /**
+ * From
+ * http://stackoverflow.com/questions/1265282/recommended-method-for-
+ * escaping-html-in-java (+ escaping '). TODO Use
+ * org.apache.commons.lang.StringEscapeUtils
+ */
+ private String escapeHTML(String s) {
+ StringBuilder out = new StringBuilder(Math.max(16, s.length()));
+ for (int i = 0; i < s.length(); i++) {
+ char c = s.charAt(i);
+ if (c > 127 || c == '\'' || c == '"' || c == '<' || c == '>' || c == '&') {
+ out.append("&#");
+ out.append((int) c);
+ out.append(';');
+ } else {
+ out.append(c);
+ }
+ }
+ return out.toString();
+ }
+
+ private void writeMeta(StringBuilder buf, String tag, String value) {
+ buf.append("<meta property='").append(tag).append("' content='").append(value).append("'/>");
+ }
+
+ private void writeCanonical(StringBuilder buf, Node node) throws RepositoryException {
+ buf.append("<div>");
+ if (node.hasProperty(JCR_TITLE))
+ buf.append("<p>").append(node.getProperty(JCR_TITLE).getString()).append("</p>");
+ if (node.hasProperty(JCR_DESCRIPTION))
+ buf.append("<p>").append(node.getProperty(JCR_DESCRIPTION).getString()).append("</p>");
+ NodeIterator children = node.getNodes();
+ while (children.hasNext()) {
+ writeCanonical(buf, children.nextNode());
+ }
+ buf.append("</div>");
+ }
+ }
+
+ class RobotServlet extends HttpServlet {
+ private static final long serialVersionUID = 7935661175336419089L;
+
+ @Override
+ protected void service(HttpServletRequest request, HttpServletResponse response)
+ throws ServletException, IOException {
+ PrintWriter writer = response.getWriter();
+ writer.append("User-agent: *\n");
+ writer.append("Disallow:\n");
+ response.setHeader("Content-Type", "text/plain");
+ writer.flush();
+ }
+