1 /**
2 * Copyright (C) 2005-2009 Alfresco Software Limited.
3 *
4 * This file is part of the Spring Surf Extension project.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 package org.springframework.extensions.surf.servlet;
20
21 import java.io.IOException;
22 import java.util.StringTokenizer;
23
24 import javax.servlet.ServletException;
25 import javax.servlet.http.HttpServletRequest;
26 import javax.servlet.http.HttpServletResponse;
27
28 import org.springframework.extensions.surf.site.servlet.BaseServlet;
29 import org.springframework.extensions.surf.util.OverlayUtil;
30
31 /**
32 * Helpful servlet that lets you switch various request-side features
33 * on for the current Web Studio session.
34 *
35 * Generally, these are invoked by the web studio client but they
36 * could also be invoked by hand.
37 *
38 * The general format of incoming requests will be:
39 * - /studio/debug/<command>/<value>
40 *
41 * The following is supported:
42 *
43 * /studio/debug/overlay/enable
44 * /studio/debug/overlay/disable
45 * /studio/debug/refresh
46 *
47 * @author muzquiano
48 */
49 public class WebStudioDebugServlet extends BaseServlet
50 {
51 public void init() throws ServletException
52 {
53 super.init();
54 }
55
56 protected void service(HttpServletRequest request,
57 HttpServletResponse response) throws ServletException, IOException
58 {
59 String uri = request.getRequestURI();
60
61 // skip server context path and build the path to the resource
62 // we are looking for
63 uri = uri.substring(request.getContextPath().length());
64
65 // validate and return the resource path - stripping the
66 // servlet context
67 StringTokenizer t = new StringTokenizer(uri, "/");
68 String servletName = t.nextToken();
69 if (!t.hasMoreTokens())
70 {
71 throw new ServletException("Invalid URL: " + uri);
72 }
73 String command = (String) t.nextToken();
74 if (!t.hasMoreTokens())
75 {
76 throw new ServletException("Invalid URL: " + uri);
77 }
78 String value = (String) t.nextToken();
79
80 if (command != null)
81 {
82 if (command.equals("overlay"))
83 {
84 if ("enable".equals(value))
85 {
86 // enable the overlays
87 //WebStudioUtil.setOverlayEnabled(request, true);
88 }
89
90 if ("disable".equals(value))
91 {
92 // disable the overlays
93 //WebStudioUtil.setOverlayEnabled(request, false);
94 }
95 }
96
97 if (command.equals("refresh"))
98 {
99 // refresh the js and css cache
100 OverlayUtil.removeCachedResources(request, "JS_");
101 OverlayUtil.removeCachedResources(request, "CSS_");
102 }
103 }
104 }
105 }