var GetValue = function (source, key, defaultValue){ 
if (!source || typeof source === 'number') { 
return defaultValue; 
} 
 else if (source.hasOwnProperty(key)) { 
return source[key]; 
} 
 else if (key.indexOf('.') !== -1) { 
var keys = key.split('.'); 
var parent = source; 
var value = defaultValue; 
for (var i = 0; 
i < _AN_Read_length('length', keys); i++ ){ 
if (parent.hasOwnProperty(keys[i])) { 
value = parent[keys[i]]; 
parent = parent[keys[i]]; 
} 
 else { 
value = defaultValue; 
break ; 
} 
} 
return value; 
} 
 else { 
return defaultValue; 
} 
} 
; 
module.exports = GetValue;