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1
9
10 package org.nanocontainer.webcontainer;
11
12 import org.mortbay.jetty.Server;
13 import org.mortbay.jetty.Handler;
14 import org.mortbay.jetty.handler.ContextHandler;
15 import org.mortbay.jetty.handler.ResourceHandler;
16 import org.mortbay.jetty.handler.ErrorHandler;
17 import org.mortbay.jetty.servlet.*;
18 import org.picocontainer.PicoContainer;
19 import org.picocontainer.defaults.DefaultPicoContainer;
20
21 import javax.servlet.Filter  ;
22 import javax.servlet.Servlet ;
23 import java.util.EventListener ;
24 import java.io.IOException ;
25
26 public class PicoContextHandler {
27
28 private final ContextHandler context;
29 private final Server server;
30 private final PicoContainer parentContainer;
31 private final boolean withSessionHandler;
32 private PicoServletHandler servletHandler;
33
34 public static final int DEFAULT = 0;
35 public static final int REQUEST = 1;
36 public static final int FORWARD = 2;
37 public static final int INCLUDE = 4;
38 public static final int ERROR = 8;
39 public static final int ALL = 15;
40
41 public PicoContextHandler(ContextHandler context, Server server, PicoContainer parentContainer, boolean sessionManager) {
42 this.context = context;
43 this.server = server;
44 this.parentContainer = parentContainer;
45 this.withSessionHandler = sessionManager;
46 }
47
48 public PicoServletHolder addServletWithMapping(Class servletClass, String pathMapping) {
49 PicoServletHandler handler = getServletHandler();
50 return (PicoServletHolder) handler.addServletWithMapping(servletClass, pathMapping);
51 }
52
53 public Servlet addServletWithMapping(Servlet servlet, String pathMapping) {
54 PicoServletHandler handler = getServletHandler();
55 handler.addServletWithMapping(new ServletHolder(servlet), pathMapping);
56 return servlet;
57 }
58
59
60 private synchronized PicoServletHandler getServletHandler() {
61 if (servletHandler == null) {
62 servletHandler = new PicoServletHandler(parentContainer);
63 servletHandler.setServer(server);
64 if (withSessionHandler) {
65 SessionHandler sessionHandler = new SessionHandler();
66 sessionHandler.setServer(server);
67 context.addHandler(sessionHandler);
68 sessionHandler.addHandler(servletHandler);
69 } else {
70 context.addHandler(servletHandler);
71 }
72 }
73 return servletHandler;
74 }
75
76 public PicoFilterHolder addFilterWithMapping(Class filterClass, String pathMapping, int dispatchers) {
77 PicoServletHandler handler = getServletHandler();
78 return (PicoFilterHolder) handler.addFilterWithMapping(filterClass, pathMapping, dispatchers);
79 }
80
81 public Filter addFilterWithMapping(Filter filter, String pathMapping, int dispatchers) {
82 PicoServletHandler servletHandler = getServletHandler();
83 servletHandler.addFilterWithMapping(new FilterHolder(filter), pathMapping, dispatchers);
84 return filter;
85 }
86
87
88 public EventListener addListener(Class listenerClass) {
89
90 DefaultPicoContainer child = new DefaultPicoContainer(parentContainer);
91 child.registerComponentImplementation(EventListener .class, listenerClass);
92 EventListener instance = (EventListener ) child.getComponentInstance(EventListener .class);
93
94 return addListener(instance);
95
96 }
97
98 public EventListener addListener(EventListener listener) {
99 context.addEventListener(listener);
100 return listener;
101 }
102
103
104 public void setStaticContext(String absolutePath) {
105 ResourceHandler resourceHandler = new ResourceHandler();
106 resourceHandler.setResourceBase(absolutePath);
107 context.addHandler(resourceHandler);
108 }
109
110 public void setStaticContext(String absolutePath, String welcomePage) {
111 ResourceHandler resourceHandler = new ResourceHandler();
112 resourceHandler.setResourceBase(absolutePath);
113 resourceHandler.setWelcomeFiles(new String []{welcomePage});
114 context.addHandler(resourceHandler);
115 }
116
117 public void setDefaultHandling(final String absolutePath, String scratchDir, String pageSuffix) {
118 context.setResourceBase(absolutePath);
119 PicoServletHandler handler = getServletHandler();
120 ServletHolder jspHolder = new PicoServletHolder(parentContainer);
121 jspHolder.setName("jsp");
122 jspHolder.setClassName("org.apache.jasper.servlet.JspServlet");
123 jspHolder.setInitParameter("scratchdir", scratchDir);
124 jspHolder.setInitParameter("logVerbosityLevel", "DEBUG");
125 jspHolder.setInitParameter("fork", "false");
126 jspHolder.setInitParameter("xpoweredBy", "false");
127 jspHolder.setForcedPath(null);
128 jspHolder.setInitOrder(0);
129
130
131 handler.addServletWithMapping(jspHolder, pageSuffix);
132 handler.addServletWithMapping(DefaultServlet.class.getName(), "/");
133
134 }
135
136 public void addErrorHandler() {
137 addErrorHandler(new ErrorPageErrorHandler());
138 }
139
140 public void addErrorHandler(ErrorHandler handler) {
141 context.setErrorHandler(handler);
142 }
143
144
150 }
151 |
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