Metacat

import edu.ucsb.nceas.metacat.util.SystemUtil;

	 * Control servlet response depending on the action parameter specified

	 * Modifies the original SLD according to various access contraints and

	 * sends it as the servlet response.

	 * 

	 * @param request

	 *            Incoming servlet request.

	 * @param response

	 *            Servlet response.

	 */

	private void handleGetOrPost(HttpServletRequest request, HttpServletResponse response)

			throws ServletException, IOException {

		String dataset = request.getParameter("originalSld");

		try {

			String certPath = SystemUtil.getContextDir();

			String filename = certPath + "data/styles/" + dataset;

			String sld = getSld(filename);

			System.out.println(sld);

			response.setContentType("text/xml");

			response.getWriter().write(sld);

		} catch (FileNotFoundException fnf) {

			fnf.printStackTrace();

		} catch (Exception e) {

			e.printStackTrace();

		}

	}

	 * Given a filename of an existing SLD document, reads the sld and adds an

	 * ogc:Filter to exclude/include certain docids based on user's permissions.

	 * The sld file is specified without path and must exist within geoserver's

	 * styles folder (context/data/styles/*)

	 * 

	 * returns SLD document as a String.

	 * 

	 * @param filename

	 *            Filename of the base sld.

	 * @todo Implement the doc id list queries for contraints.

	 */