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1 package tests.jfun.yan.xml;
2
3 import java.util.Map  ;
4
5 import jfun.util.Misc;
6 import jfun.yan.ComponentResolutionException;
7 import jfun.yan.Components;
8 import jfun.yan.Creator;
9 import jfun.yan.Monad;
10 import jfun.yan.PropertyBinder;
11 import jfun.yan.Recovery;
12 import jfun.yan.xml.NutsUtils;
13
14 final class NamingServiceWiring implements PropertyBinder {
15 private final Map names;
16 public Creator bind(Class component_type, Object key, Class type) {
17 final String lookup_key = (Misc.getTypeName(component_type)+'.'+key)
18 .replace('.', '/').replace('$', '/');
19 Object v = names.get(lookup_key);
20 if(v==null){
21 final Recovery rec = Monad.onException(ComponentResolutionException.class,
22 Monad.fail("failed to lookup " + lookup_key));
23 return Components.useProperty(component_type, key, type)
24 .recover(rec);
25 }
26 else{
27 return NutsUtils.asComponent(v);
28 }
29 }
30 NamingServiceWiring(Map names) {
31 this.names = names;
32 }
33
34 }
35 |
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