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.ContentTypes;
021 import com.liferay.portal.kernel.util.GetterUtil;
022 import com.liferay.portal.kernel.util.StringBundler;
023 import com.liferay.portal.kernel.util.Validator;
024 import com.liferay.portal.model.Portlet;
025 import com.liferay.portal.service.PortletLocalServiceUtil;
026 import com.liferay.portal.util.Portal;
027 import com.liferay.portal.util.PortalUtil;
028 import com.liferay.portal.util.PropsValues;
029 import com.liferay.portal.util.WebKeys;
030 import com.liferay.util.servlet.ServletResponseUtil;
031
032 import java.io.IOException;
033
034 import javax.servlet.ServletException;
035 import javax.servlet.http.HttpServlet;
036 import javax.servlet.http.HttpServletRequest;
037 import javax.servlet.http.HttpServletResponse;
038
039
042 public class GoogleGadgetServlet extends HttpServlet {
043
044 public void service(
045 HttpServletRequest request, HttpServletResponse response)
046 throws IOException, ServletException {
047
048 try {
049 String content = getContent(request);
050
051 if (content == null) {
052 PortalUtil.sendError(
053 HttpServletResponse.SC_NOT_FOUND,
054 new NoSuchLayoutException(), request, response);
055 }
056 else {
057 request.setAttribute(WebKeys.GOOGLE_GADGET, Boolean.TRUE);
058
059 response.setContentType(ContentTypes.TEXT_XML);
060
061 ServletResponseUtil.write(response, content);
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 getContent(HttpServletRequest request) throws Exception {
074 String path = GetterUtil.getString(request.getPathInfo());
075
076 if (Validator.isNull(path)) {
077 return null;
078 }
079
080 int pos = path.indexOf(Portal.FRIENDLY_URL_SEPARATOR);
081
082 if (pos == -1) {
083 return null;
084 }
085
086 long companyId = PortalUtil.getCompanyId(request);
087
088 String portletId = path.substring(
089 pos + Portal.FRIENDLY_URL_SEPARATOR.length());
090
091 Portlet portlet = PortletLocalServiceUtil.getPortletById(
092 companyId, portletId);
093
094 String title = portlet.getDisplayName();
095
096 String widgetJsURL =
097 PortalUtil.getPortalURL(request) + PortalUtil.getPathContext() +
098 "/html/js/liferay/widget.js";
099
100 String widgetURL = request.getRequestURL().toString();
101
102 widgetURL = widgetURL.replaceFirst(
103 PropsValues.GOOGLE_GADGET_SERVLET_MAPPING,
104 PropsValues.WIDGET_SERVLET_MAPPING);
105
106 StringBundler sb = new StringBundler(19);
107
108 sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
109 sb.append("<Module>");
110 sb.append("<ModulePrefs title=\"");
111 sb.append(title);
112 sb.append("\"/>");
113 sb.append("<Content type=\"html\">");
114 sb.append("<![CDATA[");
115 sb.append("<script src=\"");
116 sb.append(widgetJsURL);
117 sb.append("\" ");
118 sb.append("type=\"text/javascript\"></script>");
119 sb.append("<script type=\"text/javascript\">");
120 sb.append("window.Liferay.Widget({url:'");
121 sb.append(widgetURL);
122 sb.append("'});");
123 sb.append("</script>");
124 sb.append("]]>");
125 sb.append("</Content>");
126 sb.append("</Module>");
127
128 return sb.toString();
129 }
130
131 private static Log _log = LogFactoryUtil.getLog(GoogleGadgetServlet.class);
132
133 }