1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
|
8 | |
|
9 | |
|
10 | |
|
11 | |
|
12 | |
|
13 | |
|
14 | |
|
15 | |
package org.apache.tapestry.bean; |
16 | |
|
17 | |
import java.util.Map; |
18 | |
|
19 | |
import ognl.ObjectPropertyAccessor; |
20 | |
import ognl.OgnlContext; |
21 | |
import ognl.OgnlException; |
22 | |
import ognl.OgnlRuntime; |
23 | |
import ognl.PropertyAccessor; |
24 | |
import ognl.enhance.ExpressionCompiler; |
25 | |
import ognl.enhance.UnsupportedCompilationException; |
26 | |
|
27 | |
import org.apache.tapestry.IBeanProvider; |
28 | |
|
29 | |
|
30 | |
|
31 | |
|
32 | |
|
33 | |
|
34 | |
|
35 | |
|
36 | |
|
37 | |
|
38 | |
|
39 | |
|
40 | |
|
41 | |
|
42 | 0 | public class BeanProviderPropertyAccessor extends ObjectPropertyAccessor implements PropertyAccessor |
43 | |
{ |
44 | |
|
45 | |
|
46 | |
|
47 | |
|
48 | |
|
49 | |
|
50 | |
|
51 | |
public Object getProperty(Map context, Object target, Object name) throws OgnlException |
52 | |
{ |
53 | 0 | IBeanProvider provider = (IBeanProvider)target; |
54 | 0 | String beanName = (String)name; |
55 | |
|
56 | 0 | if (provider.canProvideBean(beanName)) |
57 | 0 | return provider.getBean(beanName); |
58 | |
|
59 | 0 | return super.getProperty(context, target, name); |
60 | |
} |
61 | |
|
62 | |
|
63 | |
|
64 | |
|
65 | |
|
66 | |
|
67 | |
|
68 | |
public boolean hasGetProperty(Map context, Object target, Object oname) throws OgnlException |
69 | |
{ |
70 | 0 | IBeanProvider provider = (IBeanProvider)target; |
71 | 0 | String beanName = ((String)oname).replaceAll("\"", ""); |
72 | |
|
73 | 0 | if (provider.canProvideBean(beanName)) |
74 | 0 | return true; |
75 | |
|
76 | 0 | return super.hasGetProperty(context, target, oname); |
77 | |
} |
78 | |
|
79 | |
public Class getPropertyClass(OgnlContext context, Object target, Object name) |
80 | |
{ |
81 | 0 | IBeanProvider provider = (IBeanProvider)target; |
82 | 0 | String beanName = ((String)name).replaceAll("\"", ""); |
83 | |
|
84 | 0 | if (provider.canProvideBean(beanName)) |
85 | 0 | return provider.getBean(beanName).getClass(); |
86 | |
|
87 | 0 | return super.getPropertyClass(context, target, name); |
88 | |
} |
89 | |
|
90 | |
public String getSourceAccessor(OgnlContext context, Object target, Object name) |
91 | |
{ |
92 | 0 | IBeanProvider provider = (IBeanProvider)target; |
93 | 0 | String beanName = ((String)name).replaceAll("\"", ""); |
94 | |
|
95 | 0 | if (provider.canProvideBean(beanName)) { |
96 | |
|
97 | 0 | Class type = OgnlRuntime.getCompiler().getInterfaceClass(provider.getBean(beanName).getClass()); |
98 | |
|
99 | 0 | ExpressionCompiler.addCastString(context, "((" + type.getName() + ")"); |
100 | |
|
101 | 0 | context.setCurrentAccessor(IBeanProvider.class); |
102 | 0 | context.setCurrentType(type); |
103 | |
|
104 | 0 | return ".getBean(" + name + "))"; |
105 | |
} |
106 | |
|
107 | 0 | return super.getSourceAccessor(context, target, name); |
108 | |
} |
109 | |
|
110 | |
public String getSourceSetter(OgnlContext context, Object target, Object name) |
111 | |
{ |
112 | 0 | throw new UnsupportedCompilationException("Can't set beans on IBeanProvider."); |
113 | |
} |
114 | |
} |