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comparison src/nabble/view/lib/UrlMapperImpl.java @ 0:7ecd1a4ef557

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author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 21 Mar 2019 19:15:52 -0600
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-1:000000000000 0:7ecd1a4ef557
1 package nabble.view.lib;
2
3 import java.io.IOException;
4 import java.util.Collections;
5 import java.util.Map;
6 import java.util.regex.Pattern;
7 import javax.servlet.http.HttpServlet;
8 import javax.servlet.http.HttpServletRequest;
9 import javax.servlet.http.HttpServletResponse;
10 import fschmidt.util.servlet.JtpContext;
11 import fschmidt.util.servlet.UrlMapper;
12 import fschmidt.util.servlet.UrlMapping;
13 import nabble.view.web.template.UrlMapperNamespace;
14
15
16 public final class UrlMapperImpl implements UrlMapper {
17
18 private static class RegexToClass {
19 private final Pattern ptn;
20 private final Class cls;
21
22 public RegexToClass(Class cls) {
23 if( !UrlMappable.class.isAssignableFrom(cls) )
24 throw new RuntimeException(cls.getName()+" doesn't implement UrlMappable");
25 this.cls = cls;
26 try {
27 this.ptn = ((UrlMappable)cls.newInstance()).getUrlPattern();
28 } catch(InstantiationException e) {
29 throw new RuntimeException(e);
30 } catch(IllegalAccessException e) {
31 throw new RuntimeException(e);
32 }
33 }
34 }
35
36 private final RegexToClass[] regexToClass;
37
38 UrlMapperImpl(final Class[] classes) {
39 RegexToClass[] regexToClass = new RegexToClass[classes.length];
40 for( int i=0; i<classes.length; i++ ) {
41 regexToClass[i] = new RegexToClass(classes[i]);
42 }
43 this.regexToClass = regexToClass;
44 }
45
46 public UrlMapping getUrlMapping(HttpServletRequest request) {
47 String url = request.getRequestURL().toString();
48 /*
49 if( Jtp.getSite(request) == null && !url.startsWith(Jtp.defaultContextUrl()) )
50 return redir;
51 */
52 UrlMapping urlMapping = UrlMapperNamespace.getUrlMapping(request);
53 if( urlMapping != null )
54 return urlMapping;
55 int i = url.indexOf(';');
56 if( i != -1 )
57 url = url.substring(0,i);
58 for (RegexToClass rc : regexToClass) {
59 if (rc.ptn.matcher(url).find()) {
60 try {
61 UrlMappable ubm = (UrlMappable)rc.cls.newInstance();
62 Map<String,String[]> params = ubm.getParameterMapFromUrl(request,url);
63 return new UrlMapping(rc.cls,params);
64 } catch(IllegalAccessException e) {
65 throw new RuntimeException(e);
66 } catch(InstantiationException e) {
67 throw new RuntimeException(e);
68 }
69 }
70 }
71 return null;
72 }
73 /*
74 public static class Redir extends HttpServlet {
75 protected void service(HttpServletRequest request,HttpServletResponse response)
76 throws IOException
77 {
78 response.setHeader("Location", "http://www.jmeter-archive.org/missing.html");
79 response.sendError(HttpServletResponse.SC_MOVED_PERMANENTLY);
80 }
81 }
82 private static final UrlMapping redir = new UrlMapping(Redir.class,Collections.emptyMap());
83 */
84 }