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1
29
30 package com.caucho.jsp.el;
31
32 import com.caucho.jsp.TaglibManager;
33 import com.caucho.server.webapp.WebApp;
34 import com.caucho.util.L10N;
35
36 import javax.el.ELContextListener;
37 import javax.el.ELResolver;
38 import javax.el.ExpressionFactory;
39 import javax.servlet.jsp.JspApplicationContext  ;
40
41 public class JspApplicationContextImpl implements JspApplicationContext
42 {
43 private static final L10N L = new L10N(JspApplicationContextImpl.class);
44
45 private final WebApp _webApp;
46
47 private final ExpressionFactory _expressionFactory;
48
49 private TaglibManager _taglibManager;
50
51 private ELResolver []_resolverArray = new ELResolver[0];
52 private ELContextListener []_listenerArray = new ELContextListener[0];
53
54 private boolean _hasRequest;
55
56 public JspApplicationContextImpl(WebApp webApp)
57 {
58 _webApp = webApp;
59
60 _expressionFactory = new JspExpressionFactoryImpl(this);
61 }
62
63
67 WebApp getWebApp()
68 {
69 return _webApp;
70 }
71
72 public TaglibManager getTaglibManager()
73 {
74 return _taglibManager;
75 }
76
77 public void setTaglibManager(TaglibManager taglibManager)
78 {
79 _taglibManager = taglibManager;
80 }
81
82
86
89 public void addELContextListener(ELContextListener listener)
90 {
91 if (_hasRequest)
92 throw new IllegalStateException (L.l("Cannot add ELContextListener after requests have started."));
93
94 ELContextListener []listenerArray
95 = new ELContextListener[_listenerArray.length + 1];
96 System.arraycopy(_listenerArray, 0,
97 listenerArray, 0,
98 _listenerArray.length);
99
100 listenerArray[_listenerArray.length] = listener;
101
102 _listenerArray = listenerArray;
103 }
104
105 public ELContextListener []getELListenerArray()
106 {
107 _hasRequest = true;
108
109 return _listenerArray;
110 }
111
112
115 public void addELResolver(ELResolver resolver)
116 {
117 if (_hasRequest)
118 throw new IllegalStateException (L.l("Can't add ELResolver after starting request."));
119
120 ELResolver []resolverArray = new ELResolver[_resolverArray.length + 1];
121 System.arraycopy(_resolverArray, 0,
122 resolverArray, 0,
123 _resolverArray.length);
124
125 resolverArray[_resolverArray.length] = resolver;
126
127 _resolverArray = resolverArray;
128 }
129
130 public ELResolver []getELResolverArray()
131 {
132 return _resolverArray;
133 }
134
135
138 public ExpressionFactory getExpressionFactory()
139 {
140 return _expressionFactory;
141 }
142
143 public String toString()
144 {
145 return "JspApplicationContextImpl[" + _webApp + "]";
146 }
147 }
148 |
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