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1
3 package jodd.madvoc;
4
5 import jodd.madvoc.config.AutomagicMadvocConfig;
6 import jodd.madvoc.config.MadvocConfig;
7 import jodd.util.ClassLoaderUtil;
8
9 import javax.servlet.http.HttpServletRequest  ;
10 import javax.servlet.http.HttpServletResponse ;
11 import javax.servlet.*;
12 import java.io.IOException ;
13 import java.lang.reflect.Constructor ;
14
15
18 public class MadvocDispatcher implements Filter {
19
20 protected FilterConfig filterConfig;
21 protected WebApplication webapp;
22
23
26 public void init(FilterConfig filterConfig) throws ServletException {
27 this.filterConfig = filterConfig;
28 webapp = loadWebApplication(filterConfig.getInitParameter("madvoc.webapp"));
29 MadvocConfig config = loadMadvocConfig(filterConfig.getInitParameter("madvoc.config"));
30 config.configure(webapp);
31 }
32
33 public void destroy() {
34 }
35
36
38
42 protected WebApplication loadWebApplication(String className) throws ServletException {
43 if (className == null) {
44 return new WebApplication(filterConfig.getServletContext());
45 }
46
47 WebApplication webApp;
48 try {
49 Class clazz = ClassLoaderUtil.loadClass(className, this.getClass());
50 Constructor ctor = clazz.getConstructor(ServletContext.class);
51 webApp = (WebApplication) ctor.newInstance(filterConfig.getServletContext());
52 } catch (ClassCastException ccex) {
53 throw new ServletException("Class '" + className + "' is not a Madvoc WebApplication.");
54 } catch (Exception ex) {
55 throw new ServletException("Unable to load class '" + className + "'.");
56 }
57 return webApp;
58 }
59
60
64 protected MadvocConfig loadMadvocConfig(String className) throws ServletException {
65 if (className == null) {
66 return new AutomagicMadvocConfig();
67 }
68 MadvocConfig config;
69 try {
70 Class clazz = ClassLoaderUtil.loadClass(className, this.getClass());
71 config = (MadvocConfig) clazz.newInstance();
72 } catch (ClassCastException ccex) {
73 throw new ServletException("Class '" + className + "' is not a Madvoc configuration.");
74 } catch (Exception ex) {
75 throw new ServletException("Unable to load class '" + className + "'.");
76 }
77 return config;
78 }
79
80
81
83
84
87 public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException , ServletException {
88 HttpServletRequest request = (HttpServletRequest ) req;
89 HttpServletResponse response = (HttpServletResponse ) res;
90
91 ActionRequest actionRequest = webapp.buildActionRequest(request, response);
92 if (actionRequest == null) {
93 chain.doFilter(request, response);
95 return;
96 }
97 try {
98 String result = actionRequest.invoke();
99 if (actionRequest.isRendered() == false) {
100 actionRequest.render(result);
101 }
102 } catch (Exception ex) {
103 throw new ServletException(ex);
104 }
105 }
106
107 }
108 |
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