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1
9
10 package org.nanocontainer.webcontainer.groovy;
11
12 import groovy.util.NodeBuilder;
13
14 import java.util.Map  ;
15
16 import org.mortbay.jetty.servlet.FilterHolder;
17 import org.mortbay.jetty.servlet.ServletHolder;
18 import org.nanocontainer.webcontainer.PicoContextHandler;
19 import org.nanocontainer.webcontainer.groovy.adapters.WaffleAdapter;
20 import org.picocontainer.MutablePicoContainer;
21
22 import javax.servlet.Servlet ;
23
24 public class ContextBuilder extends NodeBuilder {
25 private final MutablePicoContainer parentContainer;
26 private final PicoContextHandler context;
27
28 public ContextBuilder(MutablePicoContainer parentContainer, PicoContextHandler context) {
29 this.parentContainer = parentContainer;
30 this.context = context;
31 }
32 protected Object createNode(Object name, Map map) {
33 if (name.equals("filter")) {
34 return makeFilter(map);
35 } else if (name.equals("servlet")) {
36 return makeServlet(map);
37 } else if (name.equals("listener")) {
38 return makeListener(map);
39 } else if (name.equals("staticContent")) {
40 setStaticContent(map);
41 return null;
42 } else if (name.equals("waffleApp")) {
43 return new WaffleAdapter(context, parentContainer, map).getNodeBuilder();
44 }
45
46 return null;
47 }
48
49 private void setStaticContent(Map map) {
50
51 if (map.containsKey("welcomePage")) {
52 context.setStaticContext((String ) map.remove("path"), (String ) map.remove("welcomePage"));
53 } else {
54 context.setStaticContext((String ) map.remove("path"));
55
56 }
57
58 }
59
60 private Object makeListener(Map map) {
61 return context.addListener((Class ) map.remove("class"));
62 }
63
64 private Object makeServlet(Map map) {
65
66
67 if (map.containsKey("class")) {
68 ServletHolder servlet = context.addServletWithMapping(
69 (Class ) map.remove("class"),
70 (String ) map.remove("path"));
71 return new ServletHolderBuilder(servlet);
72 } else {
73 Servlet servlet = (Servlet ) map.remove("instance");
74 context.addServletWithMapping(
75 servlet,
76 (String ) map.remove("path"));
77 return servlet;
78 }
79
80 }
81
82 private Object makeFilter(Map map) {
83 FilterHolder filter = context.addFilterWithMapping(
84 (Class ) map.remove("class"),
85 (String ) map.remove("path"),
86 extractDispatchers(map));
87 FilterHolderBuilder builder = new FilterHolderBuilder(filter);
88 return builder;
89 }
90
91 private int extractDispatchers(Map map) {
92 Object dispatchers = map.remove("dispatchers");
93 if ( dispatchers != null ){
94 return ((Integer ) dispatchers).intValue();
95 }
96 return 0;
98 }
99
100 } |
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