package tests.jfun.yan.xml;
import java.util.Map;
import jfun.util.Misc;
import jfun.yan.Binder;
import jfun.yan.Component;
import jfun.yan.ComponentResolutionException;
import jfun.yan.Components;
import jfun.yan.Creator;
import jfun.yan.Monad;
import jfun.yan.PropertyBinder;
import jfun.yan.Recovery;
import jfun.yan.TypeMismatchException;
import jfun.yan.factory.ThreadLocalScope;
import jfun.yan.xml.NutsUtils;
class MapNamingServiceWiring implements PropertyBinder{
private final String default_map_name;
MapNamingServiceWiring(String default_name){
this.default_map_name = default_name;
this.detect_map = Components.autodetect(Map.class, new Object[]{default_name});
}
private final Component detect_map;
private volatile Map the_map = null;
private Creator performLookup(Class component_type, Object key, Class type){
final String lookup_key = (Misc.getTypeName(component_type)+'.'+key)
.replace('.', '/').replace('$', '/');
Object v = the_map.get(lookup_key);
if(v==null){
final Recovery rec = Monad.onException(ComponentResolutionException.class,
Monad.fail("failed to lookup " + lookup_key));
return Components.useProperty(component_type, key, type)
.recover(rec);
}
else{
return NutsUtils.asComponent(v);
}
}
public Creator bind(final Class component_type,
final Object key, final Class type) {
if(the_map!=null){
return performLookup(component_type, key, type);
}
else{
return detect_map.bind(new Binder(){
public Creator bind(Object m){
if(m instanceof Map){
the_map = (Map)m;
return performLookup(component_type, key, type);
}
else
throw new TypeMismatchException(Map.class, m==null?null:m.getClass());
}
});
}
}
}