public static string ToJSON(this object obj, JSONSerializationMode mode)
{
//Check for null value
if (obj == null)
{
return("null");
}
//Check if reflection should be used
if ((mode & JSONSerializationMode.UseReflection) == JSONSerializationMode.UseReflection)
{
//Use Reflection to get methode
Type type = obj.GetType();
MethodInfo[] methods = type.GetMethods();
//Check for a ToJSON method
methods = methods.Where(c => c.Name == "ToJSON" && c.ReturnType == typeof(string)).ToArray();
MethodInfo method = methods.SingleOrDefault(c => c.DeclaringType == type && c.GetParameters().Length == 0);
//If there is a ToJSON method, call it
if (method != null)
{
return((string)method.Invoke(obj, new object[0]));
}
}
//Call Serialize method
return(JSON.Serialize(obj, mode));
}
/// <summary>
/// Turn an object into a JSON-Encoded string, optionally setting parameters
/// </summary>
/// <param name="obj"></param>
/// <param name="mode">JSONSerializationModes; can be |'d together</param>
/// <returns></returns>
public static string Serialize(object obj, JSONSerializationMode mode)
{
if (obj == null)
{
return("null");
}
Type type = obj.GetType();
if (type.IsNumeric())
{
return(obj.ToString());
}
else if (type == typeof(string) || type == typeof(char))
{
return("\"" + EscapeString("" + obj) + "\"");
}
else if (type == typeof(bool))
{
bool x = (bool)obj;
return(x ? "true" : "false");
}
else if (type == typeof(DateTime))
{
DateTime dt = (DateTime)obj;
return("\"" + dt.ToString("MM/dd/yyyy hh:mm:ss tt") + "\"");
}
StringBuilder result = new StringBuilder();
if (obj.GetType().IsArray)
{
result.Append("[");
Array array = (Array)obj;
foreach (object value in array)
{
result.Append(value.ToJSON(mode) + ",");
}
string json = result.ToString();
if (json.EndsWith(","))
{
json = json.Substring(0, json.Length - 1);
}
json += "]";
return(json);
}
else if (obj is IDictionary)
{
IDictionary d = (IDictionary)obj;
IDictionaryEnumerator i = d.GetEnumerator();
result.Append("{");
while (i.MoveNext())
{
if ((mode & JSONSerializationMode.JavascriptObject) == JSONSerializationMode.JavascriptObject)
{
result.Append("" + i.Key + ":");
}
else
{
result.Append("\"" + i.Key + "\":");
}
result.Append(i.Value.ToJSON(mode));
result.Append(",");
}
string json = result.ToString();
if (json.EndsWith(","))
{
json = json.Substring(0, json.Length - 1);
}
json += "}";
return(json);
}
else if (obj is NameValueCollection)
{
NameValueCollection col = (NameValueCollection)obj;
result.Append("{");
for (int i = 0; i < col.Count; i++)
{
string key = col.Keys[i];
string value = col[key];
if ((mode & JSONSerializationMode.JavascriptObject) == JSONSerializationMode.JavascriptObject)
{
result.Append("" + key + ":");
}
else
{
result.Append("\"" + key + "\":");
}
result.Append(value.ToJSON(mode));
result.Append(",");
}
string json = result.ToString();
if (json.EndsWith(","))
{
json = json.Substring(0, json.Length - 1);
}
json += "}";
return(json);
}
else if (obj is IEnumerable)
{
IEnumerable item = (IEnumerable)obj;
IEnumerator i = item.GetEnumerator();
result.Append("[");
while (i.MoveNext())
{
result.Append(i.Current.ToJSON(mode) + ",");
}
string json = result.ToString();
if (json.EndsWith(","))
{
json = json.Substring(0, json.Length - 1);
}
json += "]";
return(json);
}
else
{
result.Append("{");
PropertyInfo[] props = obj.GetType().GetProperties();
foreach (PropertyInfo prop in props)
{
if (IgnoreProperty(prop))
{
continue;
}
if ((mode & JSONSerializationMode.JavascriptObject) == JSONSerializationMode.JavascriptObject)
{
result.Append("" + prop.Name + ":");
}
else
{
result.Append("\"" + prop.Name + "\":");
}
result.Append(prop.GetValue(obj, null).ToJSON(mode));
result.Append(",");
}
string json = result.ToString();
if (json.EndsWith(","))
{
json = json.Substring(0, json.Length - 1);
}
json += "}";
return(json);
}
}
