Ejemplo n.º 1
0
        /// <summary>
        /// This type supports the Fluorine infrastructure and is not intended to be used directly from your code.
        /// </summary>
        /// <param name="context">An ITypeDescriptorContext that provides a format context.</param>
        /// <param name="culture">A CultureInfo object. If a null reference (Nothing in Visual Basic) is passed, the current culture is assumed.</param>
        /// <param name="value">The Object to convert.</param>
        /// <param name="destinationType">The Type to convert the value parameter to.</param>
        /// <returns>An Object that represents the converted value.</returns>
        public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType)
        {
            ASObject aso = value as ASObject;

            if (!ReflectionUtils.IsInstantiatableType(destinationType))
            {
                return(null);
            }

            object instance = TypeHelper.CreateInstance(destinationType);

            if (instance != null)
            {
                foreach (string memberName in aso.Keys)
                {
                    object val = aso[memberName];
                    //MemberInfo mi = ReflectionUtils.GetMember(destinationType, key, MemberTypes.Field | MemberTypes.Property);
                    //if (mi != null)
                    //    ReflectionUtils.SetMemberValue(mi, result, aso[key]);

                    PropertyInfo propertyInfo = null;
                    try
                    {
                        propertyInfo = destinationType.GetProperty(memberName);
                    }
                    catch (AmbiguousMatchException)
                    {
                        //To resolve the ambiguity, include BindingFlags.DeclaredOnly to restrict the search to members that are not inherited.
                        propertyInfo = destinationType.GetProperty(memberName, BindingFlags.DeclaredOnly | BindingFlags.GetProperty | BindingFlags.Public | BindingFlags.Instance);
                    }
                    if (propertyInfo != null)
                    {
                        try
                        {
                            val = TypeHelper.ChangeType(val, propertyInfo.PropertyType);
                            if (propertyInfo.CanWrite && propertyInfo.GetSetMethod() != null)
                            {
                                if (propertyInfo.GetIndexParameters() == null || propertyInfo.GetIndexParameters().Length == 0)
                                {
                                    propertyInfo.SetValue(instance, val, null);
                                }
                                else
                                {
                                    string msg = __Res.GetString(__Res.Reflection_PropertyIndexFail, string.Format("{0}.{1}", destinationType.FullName, memberName));
                                    throw new FluorineException(msg);
                                }
                            }
                            else
                            {
                                //string msg = __Res.GetString(__Res.Reflection_PropertyReadOnly, string.Format("{0}.{1}", type.FullName, memberName));
                            }
                        }
                        catch (Exception ex)
                        {
                            string msg = __Res.GetString(__Res.Reflection_PropertySetFail, string.Format("{0}.{1}", destinationType.FullName, memberName), ex.Message);
                            throw new FluorineException(msg);
                        }
                    }
                    else
                    {
                        FieldInfo fi = destinationType.GetField(memberName, BindingFlags.Public | BindingFlags.Instance);
                        try
                        {
                            if (fi != null)
                            {
                                val = TypeHelper.ChangeType(val, fi.FieldType);
                                fi.SetValue(instance, val);
                            }
                            else
                            {
                                //string msg = __Res.GetString(__Res.Reflection_MemberNotFound, string.Format("{0}.{1}", destinationType.FullName, memberName));
                            }
                        }
                        catch (Exception ex)
                        {
                            string msg = __Res.GetString(__Res.Reflection_FieldSetFail, string.Format("{0}.{1}", destinationType.FullName, memberName), ex.Message);
                            throw new FluorineException(msg);
                        }
                    }
                }
            }
            return(instance);
        }