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2 package nabble.view.web.embed;
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3
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4 import fschmidt.util.servlet.JtpContext;
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5 import nabble.model.Node;
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6 import nabble.model.Site;
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7 import nabble.view.lib.Jtp;
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8 import nabble.view.lib.UrlMappable;
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9
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10 import javax.servlet.ServletException;
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11 import javax.servlet.http.HttpServlet;
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12 import javax.servlet.http.HttpServletRequest;
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13 import javax.servlet.http.HttpServletResponse;
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14 import java.io.IOException;
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15 import java.io.PrintWriter;
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16 import java.util.HashMap;
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17 import java.util.Map;
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18 import java.util.regex.Matcher;
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19 import java.util.regex.Pattern;
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20
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21
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22 public final class NabbleEmbed extends HttpServlet implements UrlMappable {
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23
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24 private static final Pattern URL_PATTERN = Pattern.compile("/embed/(f|p)?(\\d+)?$");
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25
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26 public String path(String type, String nodeId) {
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27 return "/embed/" + type + nodeId;
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28 }
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29
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30 public Map<String, String[]> getParameterMapFromUrl(HttpServletRequest request,String mappedUrl) {
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31 Matcher m = URL_PATTERN.matcher(mappedUrl);
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32 if( !m.find() )
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33 throw new RuntimeException();
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34 Map<String,String[]> params = new HashMap<String,String[]>();
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35 String type = m.group(1);
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36 String nodeId = m.group(2);
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37 params.put("type",new String[]{type});
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38 params.put("node",new String[]{nodeId});
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39 return params;
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40 }
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41
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42 public Pattern getUrlPattern() {
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43 return URL_PATTERN;
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44 }
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45
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46 protected void service(HttpServletRequest request, HttpServletResponse response)
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47 throws ServletException, IOException
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48 {
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49 JtpContext jtpContext = (JtpContext)getServletContext().getAttribute(JtpContext.attrName);
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50 jtpContext.setEtag(request,response);
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51 response.setHeader("Content-Type","application/x-javascript");
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52 PrintWriter out = response.getWriter();
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53
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54 long nodeId = Long.valueOf(request.getParameter("node"));
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55 Site site = Jtp.getSite(request);
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56 if (site == null) {
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57 response.sendError(HttpServletResponse.SC_NOT_FOUND, "Node not found");
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58 return;
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59 }
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60 Node node = site.getNode(nodeId);
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61 if (node == null) {
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62 response.sendError(HttpServletResponse.SC_NOT_FOUND, "Node not found");
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63 return;
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64 }
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65 jsLoadNode(site.getId(), nodeId, request, out);
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66 }
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67
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68 static void invalidApp(PrintWriter out) {
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69 %>
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70 document.write("<div style='margin:.5em 0'>");
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71 document.write("<span style='color:#000;background:#FFF;padding:.5em'>");
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72 document.write("<b>This forum doesn't exist.</b><br>");
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73 <% if (Jtp.supportUrl() != null) { %>
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74 document.write("Please contact <a href='<%=Jtp.supportUrl()%>'>Nabble Support</a> if you need help.");
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75 <% } %>
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76 document.write("</span>");
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77 document.write("</div>");
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78 <%
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79 }
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80
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81 static void jsLoadNode(long siteId, long nodeId, HttpServletRequest request, PrintWriter out) {
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82 String base = Jtp.getBaseUrl(request);
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83 %>
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84 var link=document.getElementById("nabblelink");
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85 if (link != null) {
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86 link.style.display="none";
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87 document.write("<div id='nabbleforum' style='width:100%'><div style='height:700px'><img src='<%=base%>/images/loading.png' width='94' height='33' alt='Loading...'></div></div>");
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88 var e = document.createElement("script");
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89 e.src = '<%=base%>/embed/JsEmbed.jtp?site=<%=siteId%>&node=<%=nodeId%>&url=' + encodeURIComponent(location.href);
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90 e.type="text/javascript";
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91 document.getElementsByTagName("head")[0].appendChild(e);
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92 }
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93 <%
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94 }
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95 }
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96 %> |
