1
14
15 package com.liferay.portal.servlet;
16
17 import com.liferay.portal.NoSuchLayoutException;
18 import com.liferay.portal.kernel.log.Log;
19 import com.liferay.portal.kernel.log.LogFactoryUtil;
20 import com.liferay.portal.kernel.util.ContentTypes;
21 import com.liferay.portal.kernel.util.GetterUtil;
22 import com.liferay.portal.kernel.util.StringBundler;
23 import com.liferay.portal.kernel.util.Validator;
24 import com.liferay.portal.model.Portlet;
25 import com.liferay.portal.service.PortletLocalServiceUtil;
26 import com.liferay.portal.util.Portal;
27 import com.liferay.portal.util.PortalUtil;
28 import com.liferay.portal.util.PropsValues;
29 import com.liferay.portal.util.WebKeys;
30 import com.liferay.util.servlet.ServletResponseUtil;
31
32 import java.io.IOException;
33
34 import javax.servlet.ServletException;
35 import javax.servlet.http.HttpServlet;
36 import javax.servlet.http.HttpServletRequest;
37 import javax.servlet.http.HttpServletResponse;
38
39
44 public class GoogleGadgetServlet extends HttpServlet {
45
46 public void service(
47 HttpServletRequest request, HttpServletResponse response)
48 throws IOException, ServletException {
49
50 try {
51 String content = getContent(request);
52
53 if (content == null) {
54 PortalUtil.sendError(
55 HttpServletResponse.SC_NOT_FOUND,
56 new NoSuchLayoutException(), request, response);
57 }
58 else {
59 request.setAttribute(WebKeys.GOOGLE_GADGET, Boolean.TRUE);
60
61 response.setContentType(ContentTypes.TEXT_XML);
62
63 ServletResponseUtil.write(response, content);
64 }
65 }
66 catch (Exception e) {
67 _log.error(e, e);
68
69 PortalUtil.sendError(
70 HttpServletResponse.SC_INTERNAL_SERVER_ERROR, e, request,
71 response);
72 }
73 }
74
75 protected String getContent(HttpServletRequest request) throws Exception {
76 String path = GetterUtil.getString(request.getPathInfo());
77
78 if (Validator.isNull(path)) {
79 return null;
80 }
81
82 int pos = path.indexOf(Portal.FRIENDLY_URL_SEPARATOR);
83
84 if (pos == -1) {
85 return null;
86 }
87
88 long companyId = PortalUtil.getCompanyId(request);
89
90 String portletId = path.substring(
91 pos + Portal.FRIENDLY_URL_SEPARATOR.length());
92
93 Portlet portlet = PortletLocalServiceUtil.getPortletById(
94 companyId, portletId);
95
96 String title = portlet.getDisplayName();
97
98 String widgetJsURL =
99 PortalUtil.getPortalURL(request) + PortalUtil.getPathContext() +
100 "/html/js/liferay/widget.js";
101
102 String widgetURL = request.getRequestURL().toString();
103
104 widgetURL = widgetURL.replaceFirst(
105 PropsValues.GOOGLE_GADGET_SERVLET_MAPPING,
106 PropsValues.WIDGET_SERVLET_MAPPING);
107
108 StringBundler sb = new StringBundler(19);
109
110 sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
111 sb.append("<Module>");
112 sb.append("<ModulePrefs title=\"");
113 sb.append(title);
114 sb.append("\"/>");
115 sb.append("<Content type=\"html\">");
116 sb.append("<![CDATA[");
117 sb.append("<script src=\"");
118 sb.append(widgetJsURL);
119 sb.append("\" ");
120 sb.append("type=\"text/javascript\"></script>");
121 sb.append("<script type=\"text/javascript\">");
122 sb.append("window.Liferay.Widget({url:'");
123 sb.append(widgetURL);
124 sb.append("'});");
125 sb.append("</script>");
126 sb.append("]]>");
127 sb.append("</Content>");
128 sb.append("</Module>");
129
130 return sb.toString();
131 }
132
133 private static Log _log = LogFactoryUtil.getLog(GoogleGadgetServlet.class);
134
135 }