001
014
015 package com.liferay.portal.servlet;
016
017 import com.liferay.portal.NoSuchLayoutException;
018 import com.liferay.portal.kernel.log.Log;
019 import com.liferay.portal.kernel.log.LogFactoryUtil;
020 import com.liferay.portal.kernel.util.GetterUtil;
021 import com.liferay.portal.kernel.util.ParamUtil;
022 import com.liferay.portal.kernel.util.Validator;
023 import com.liferay.portal.util.Portal;
024 import com.liferay.portal.util.PortalUtil;
025 import com.liferay.portal.util.WebKeys;
026
027 import java.io.IOException;
028
029 import javax.servlet.RequestDispatcher;
030 import javax.servlet.ServletContext;
031 import javax.servlet.ServletException;
032 import javax.servlet.http.HttpServlet;
033 import javax.servlet.http.HttpServletRequest;
034 import javax.servlet.http.HttpServletResponse;
035
036
039 public class WidgetServlet extends HttpServlet {
040
041 public void service(
042 HttpServletRequest request, HttpServletResponse response)
043 throws IOException, ServletException {
044
045 try {
046 String redirect = getRedirect(request);
047
048 if ((redirect == null) || !PortalUtil.isValidResourceId(redirect)) {
049 PortalUtil.sendError(
050 HttpServletResponse.SC_NOT_FOUND,
051 new NoSuchLayoutException(), request, response);
052 }
053 else {
054 request.setAttribute(WebKeys.WIDGET, Boolean.TRUE);
055
056 ServletContext servletContext = getServletContext();
057
058 RequestDispatcher requestDispatcher =
059 servletContext.getRequestDispatcher(redirect);
060
061 requestDispatcher.forward(request, response);
062 }
063 }
064 catch (Exception e) {
065 _log.error(e, e);
066
067 PortalUtil.sendError(
068 HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e, request,
069 response);
070 }
071 }
072
073 protected String getRedirect(HttpServletRequest request) {
074 String path = GetterUtil.getString(request.getPathInfo());
075
076 if (Validator.isNull(path)) {
077 return null;
078 }
079
080 String ppid = ParamUtil.getString(request, "p_p_id");
081
082 int pos = path.indexOf(Portal.FRIENDLY_URL_SEPARATOR);
083
084 if (Validator.isNull(ppid) && (pos == -1)) {
085 return null;
086 }
087
088 return path;
089 }
090
091 private static Log _log = LogFactoryUtil.getLog(WidgetServlet.class);
092
093 }