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1
25 package org.snipsnap.net;
26
27 import org.snipsnap.app.Application;
28 import org.snipsnap.config.Configuration;
29 import org.snipsnap.container.Components;
30 import org.snipsnap.feeder.Feeder;
31 import org.snipsnap.feeder.FeederRepository;
32 import org.snipsnap.render.PlainTextRenderEngine;
33 import org.snipsnap.semanticweb.rss.BlogFeeder;
34 import org.snipsnap.snip.Snip;
35 import org.snipsnap.snip.SnipSpace;
36 import org.snipsnap.snip.SnipSpaceFactory;
37
38 import javax.servlet.RequestDispatcher  ;
39 import javax.servlet.ServletException ;
40 import javax.servlet.http.HttpServlet ;
41 import javax.servlet.http.HttpServletRequest ;
42 import javax.servlet.http.HttpServletResponse ;
43 import java.io.IOException ;
44
45
46
52 public class RssServlet extends HttpServlet {
53 public void doGet(HttpServletRequest request, HttpServletResponse response)
54 throws IOException , ServletException {
55
56 SnipSpace space = SnipSpaceFactory.getInstance();
57 Configuration config = Application.get().getConfiguration();
58
59 String eTag = request.getHeader("If-None-Match");
60 if (null != eTag && eTag.equals(space.getETag())) {
61 response.setHeader("ETag", space.getETag());
62 response.setStatus(HttpServletResponse.SC_NOT_MODIFIED);
63 return;
64 } else {
65 String version = request.getParameter("version");
66 String type = request.getParameter("type");
67 String sourceSnipName = request.getParameter("snip");
68
69 if (null == sourceSnipName) {
70 sourceSnipName = config.getStartSnip();
71 }
72
73 Snip sourceSnip = space.load(sourceSnipName);
74
75 Object object = Components.getComponent(PlainTextRenderEngine.class);
76 System.err.println("object = " + object.getClass());
77
78 FeederRepository repository = (FeederRepository) Components.getComponent(FeederRepository.class);
79
80 Feeder feeder = (Feeder) repository.get(type);
81
82 if (null == feeder || "blog".equals(feeder.getName())) {
84 if (sourceSnip.isWeblog()) {
85 feeder = new BlogFeeder(sourceSnipName);
86 } else {
87 feeder = new BlogFeeder();
88 }
89 }
90
91 Snip snip = feeder.getContextSnip();
92
93 request.setAttribute("snip", snip);
94 request.setAttribute("rsssnips", feeder.getFeed());
95 request.setAttribute("space", space);
96 request.setAttribute("config", config);
97
98 request.setAttribute("url", config.getUrl("/space"));
99
100 RequestDispatcher dispatcher;
101 if ("1.0".equals(version)) {
102 dispatcher = request.getRequestDispatcher("/rdf.jsp");
103 } else if ("0.92".equals(version)) {
104 dispatcher = request.getRequestDispatcher("/rss.jsp");
105 } else if ("plain".equals(version)) {
106 dispatcher = request.getRequestDispatcher("/plain.jsp");
107 } else {
108 dispatcher = request.getRequestDispatcher("/rss2.jsp");
109 }
110
111 dispatcher.forward(request, response);
112 }
113 }
114 }
115 |
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