আপনি যেমন আমার মতো অ্যাট্রিবিউটসের সাথে কোড সাজাতে আগ্রহী না হন, আপনি যখন সংকলনের সময় বলতে পারবেন না, তবে এখানে কী হবে তা আমার সমাধান।
জাভাস্ক্রিপ্ট সিরিয়ালাইজার ব্যবহার করে
public static class JsonSerializerExtensions
{
public static string ToJsonString(this object target,bool ignoreNulls = true)
{
var javaScriptSerializer = new JavaScriptSerializer();
if(ignoreNulls)
{
javaScriptSerializer.RegisterConverters(new[] { new PropertyExclusionConverter(target.GetType(), true) });
}
return javaScriptSerializer.Serialize(target);
}
public static string ToJsonString(this object target, Dictionary<Type, List<string>> ignore, bool ignoreNulls = true)
{
var javaScriptSerializer = new JavaScriptSerializer();
foreach (var key in ignore.Keys)
{
javaScriptSerializer.RegisterConverters(new[] { new PropertyExclusionConverter(key, ignore[key], ignoreNulls) });
}
return javaScriptSerializer.Serialize(target);
}
}
public class PropertyExclusionConverter : JavaScriptConverter
{
private readonly List<string> propertiesToIgnore;
private readonly Type type;
private readonly bool ignoreNulls;
public PropertyExclusionConverter(Type type, List<string> propertiesToIgnore, bool ignoreNulls)
{
this.ignoreNulls = ignoreNulls;
this.type = type;
this.propertiesToIgnore = propertiesToIgnore ?? new List<string>();
}
public PropertyExclusionConverter(Type type, bool ignoreNulls)
: this(type, null, ignoreNulls){}
public override IEnumerable<Type> SupportedTypes
{
get { return new ReadOnlyCollection<Type>(new List<Type>(new[] { this.type })); }
}
public override IDictionary<string, object> Serialize(object obj, JavaScriptSerializer serializer)
{
var result = new Dictionary<string, object>();
if (obj == null)
{
return result;
}
var properties = obj.GetType().GetProperties();
foreach (var propertyInfo in properties)
{
if (!this.propertiesToIgnore.Contains(propertyInfo.Name))
{
if(this.ignoreNulls && propertyInfo.GetValue(obj, null) == null)
{
continue;
}
result.Add(propertyInfo.Name, propertyInfo.GetValue(obj, null));
}
}
return result;
}
public override object Deserialize(IDictionary<string, object> dictionary, Type type, JavaScriptSerializer serializer)
{
throw new NotImplementedException(); //Converter is currently only used for ignoring properties on serialization
}
}