How to use

getNestableProperty

method

in

leap.lang.Beans

public static Object getNestableProperty(Object bean,String property){
  if(bean instanceof Map){
    return getNestableProperty((Map)bean, property);
  }else if(bean instanceof DynaBean){
    return getNestableProperty(((DynaBean) bean).getProperties(), property);
  }else{
    return getNestableProperty(BeanType.of(bean.getClass()), bean, property);
  }
}

protected static Object getNestedMapProperty(BeanType beanType,Object bean,BeanProperty bp,String nestedProperty) {
  Map map = (Map)bp.getValue(bean);
  if(null == map){
    return null;
  }
  
  if(map.containsKey(nestedProperty)){
    return map.get(nestedProperty);
  }
  
  return getNestableProperty(map,nestedProperty);
}

protected Object resolveVariableProperty(String key,String variable){
  int dotIndex = key.indexOf('.');
  
  if(dotIndex == Arrays2.INDEX_NOT_FOUND){
    return null;
  }
  
  String prefix = key.substring(0,dotIndex);
  VariableDefinition vd = variables.get(prefix);
  
  if(null == vd){
    return null;
  }else{
    Object value = resolveVariable(vd, null);
    if(null == value){
      return null;
    }else if(value instanceof PropertyGetter){
      return ((PropertyGetter) value).getProperty(variable.substring(dotIndex + 1));
    }else{
      return Beans.getNestableProperty(value,variable.substring(dotIndex + 1));
    }
  }
}

  return null;
}else{
  return getNestableProperty(nestedBean, property.substring(dotIndex+1));

protected static Object getNestedProperty(BeanType beanType,Object bean,BeanProperty bp,String nestedProperty){
  Class<?> nestedBeanClass = bp.getType();
  
  if(Map.class.isAssignableFrom(nestedBeanClass)){
    return getNestedMapProperty(beanType, nestedBeanClass, bp, nestedProperty);
  }
  
  Object nestedBean = bp.getValue(bean);
  
  if(null == nestedBean){
    return null;
  }
  
  return getNestableProperty(BeanType.of(nestedBeanClass), nestedBean, nestedProperty);
}