/// <inheritdoc />
public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
{
var properties = value.GetType().GetRuntimeProperties().Where(p => p.CanRead && p.CanWrite);
JObject main = new JObject();
foreach (PropertyInfo prop in properties)
{
string jsonPath = null;
ChoJSONPathAttribute att1 = prop.GetCustomAttributes(true)
.OfType <ChoJSONPathAttribute>()
.FirstOrDefault();
if (att1 != null && !att1.JSONPath.IsNullOrWhiteSpace())
{
jsonPath = att1.JSONPath;
}
else if (att1 == null)
{
JsonPropertyAttribute att = prop.GetCustomAttributes(true)
.OfType <JsonPropertyAttribute>()
.FirstOrDefault();
jsonPath = att != null ? att.PropertyName : prop.Name;
}
if (!Regex.IsMatch(jsonPath, @"^[a-zA-Z0-9_.-]+$"))
{
throw new InvalidOperationException("JProperties of JsonPathConverter can have only letters, numbers, underscores, hyphens and dots but name was '" + jsonPath + "'."); // Array operations not permitted
}
if (serializer.ContractResolver is DefaultContractResolver)
{
var resolver = (DefaultContractResolver)serializer.ContractResolver;
jsonPath = resolver.GetResolvedPropertyName(jsonPath);
}
var nesting = jsonPath.Split('.');
JObject lastLevel = main;
for (int i = 0; i < nesting.Length; i++)
{
if (i == nesting.Length - 1)
{
lastLevel[nesting[i]] = new JValue(prop.GetValue(value));
}
else
{
if (lastLevel[nesting[i]] == null)
{
lastLevel[nesting[i]] = new JObject();
}
lastLevel = (JObject)lastLevel[nesting[i]];
}
}
}
serializer.Serialize(writer, main);
}
/// <inheritdoc />
public override object ReadJson(
JsonReader reader,
Type objectType,
object existingValue,
JsonSerializer serializer)
{
JObject jo = JObject.Load(reader);
object targetObj = Activator.CreateInstance(objectType);
dynamic ctx = serializer.Context.Context;
StringComparison comparision = ctx != null?
ChoUtility.CastTo <StringComparison>(ctx.StringComparision, StringComparison.InvariantCultureIgnoreCase) :
StringComparison.InvariantCultureIgnoreCase;
foreach (PropertyInfo prop in objectType.GetProperties().Where(p => p.CanRead && p.CanWrite))
{
string jsonPath = null;
ChoJSONPathAttribute att1 = prop.GetCustomAttributes(true)
.OfType <ChoJSONPathAttribute>()
.FirstOrDefault();
if (att1 != null && !att1.JSONPath.IsNullOrWhiteSpace())
{
jsonPath = att1.JSONPath;
}
else if (att1 == null)
{
JsonPropertyAttribute att = prop.GetCustomAttributes(true)
.OfType <JsonPropertyAttribute>()
.FirstOrDefault();
jsonPath = att != null ? att.PropertyName : null; // prop.Name;
}
if (serializer.ContractResolver is DefaultContractResolver)
{
var resolver = (DefaultContractResolver)serializer.ContractResolver;
jsonPath = resolver.GetResolvedPropertyName(jsonPath);
}
JToken token = jsonPath.IsNullOrWhiteSpace() ? jo.GetProperty(prop.Name, comparision) : jo.SelectToken(jsonPath);
if (token != null && token.Type != JTokenType.Null)
{
object value = token.ToObject(prop.PropertyType, serializer);
prop.SetValue(targetObj, value, null);
}
}
return(targetObj);
}
private Type DiscoverRecordFields(Type recordType, string declaringMember, bool optIn = false,
List <ChoJSONRecordFieldConfiguration> recordFieldConfigurations = null, bool isTop = false)
{
if (recordType == null)
{
return(recordType);
}
if (!recordType.IsDynamicType())
{
Type pt = null;
if (ChoTypeDescriptor.GetProperties(recordType).Where(pd => pd.Attributes.OfType <ChoJSONRecordFieldAttribute>().Any()).Any())
{
foreach (PropertyDescriptor pd in ChoTypeDescriptor.GetProperties(recordType))
{
pt = pd.PropertyType.GetUnderlyingType();
bool optIn1 = ChoTypeDescriptor.GetProperties(pt).Where(pd1 => pd1.Attributes.OfType <ChoJSONRecordFieldAttribute>().Any()).Any();
if (optIn1 && !pt.IsSimple() && !typeof(IEnumerable).IsAssignableFrom(pt) && FlatToNestedObjectSupport)
{
DiscoverRecordFields(pt, declaringMember == null ? pd.Name : "{0}.{1}".FormatString(declaringMember, pd.Name), optIn1, recordFieldConfigurations, false);
}
else if (pd.Attributes.OfType <ChoJSONRecordFieldAttribute>().Any())
{
var obj = new ChoJSONRecordFieldConfiguration(pd.Name, pd.Attributes.OfType <ChoJSONRecordFieldAttribute>().First(), pd.Attributes.OfType <Attribute>().ToArray());
obj.FieldType = pt;
obj.PropertyDescriptor = pd;
obj.DeclaringMember = declaringMember == null ? pd.Name : "{0}.{1}".FormatString(declaringMember, pd.Name);
if (recordFieldConfigurations != null)
{
if (!recordFieldConfigurations.Any(c => c.Name == pd.Name))
{
recordFieldConfigurations.Add(obj);
}
}
}
}
}
else
{
if (isTop)
{
if (typeof(IList).IsAssignableFrom(recordType) || (recordType.IsGenericType && recordType.GetGenericTypeDefinition() == typeof(IList <>)))
{
throw new ChoParserException("Record type not supported.");
}
else if (typeof(IDictionary <string, object>).IsAssignableFrom(recordType))
{
recordType = typeof(ExpandoObject);
return(recordType);
}
else if (typeof(IDictionary).IsAssignableFrom(recordType))
{
recordType = typeof(ExpandoObject);
return(recordType);
}
}
if (recordType.IsSimple())
{
var obj = new ChoJSONRecordFieldConfiguration("Value", "$.Value");
obj.FieldType = recordType;
recordFieldConfigurations.Add(obj);
return(recordType);
}
foreach (PropertyDescriptor pd in ChoTypeDescriptor.GetProperties(recordType))
{
JsonIgnoreAttribute jiAttr = pd.Attributes.OfType <JsonIgnoreAttribute>().FirstOrDefault();
if (jiAttr != null)
{
continue;
}
pt = pd.PropertyType.GetUnderlyingType();
if (pt != typeof(object) && !pt.IsSimple() && !typeof(IEnumerable).IsAssignableFrom(pt) && FlatToNestedObjectSupport)
{
DiscoverRecordFields(pt, declaringMember == null ? pd.Name : "{0}.{1}".FormatString(declaringMember, pd.Name), optIn, recordFieldConfigurations, false);
}
else
{
var obj = new ChoJSONRecordFieldConfiguration(pd.Name, ChoTypeDescriptor.GetPropetyAttribute <ChoJSONRecordFieldAttribute>(pd),
pd.Attributes.OfType <Attribute>().ToArray());
obj.FieldType = pt;
obj.PropertyDescriptor = pd;
obj.DeclaringMember = declaringMember == null ? pd.Name : "{0}.{1}".FormatString(declaringMember, pd.Name);
StringLengthAttribute slAttr = pd.Attributes.OfType <StringLengthAttribute>().FirstOrDefault();
if (slAttr != null && slAttr.MaximumLength > 0)
{
obj.Size = slAttr.MaximumLength;
}
ChoUseJSONSerializationAttribute sAttr = pd.Attributes.OfType <ChoUseJSONSerializationAttribute>().FirstOrDefault();
if (sAttr != null)
{
obj.UseJSONSerialization = sAttr.Flag;
}
ChoJSONPathAttribute jpAttr = pd.Attributes.OfType <ChoJSONPathAttribute>().FirstOrDefault();
if (jpAttr != null)
{
obj.JSONPath = jpAttr.JSONPath;
}
JsonPropertyAttribute jAttr = pd.Attributes.OfType <JsonPropertyAttribute>().FirstOrDefault();
if (jAttr != null && !jAttr.PropertyName.IsNullOrWhiteSpace())
{
obj.FieldName = jAttr.PropertyName;
obj.JSONPath = jAttr.PropertyName;
obj.Order = jAttr.Order;
}
else
{
DisplayNameAttribute dnAttr = pd.Attributes.OfType <DisplayNameAttribute>().FirstOrDefault();
if (dnAttr != null && !dnAttr.DisplayName.IsNullOrWhiteSpace())
{
obj.FieldName = dnAttr.DisplayName.Trim();
}
else
{
DisplayAttribute dpAttr = pd.Attributes.OfType <DisplayAttribute>().FirstOrDefault();
if (dpAttr != null)
{
if (!dpAttr.ShortName.IsNullOrWhiteSpace())
{
obj.FieldName = dpAttr.ShortName;
}
else if (!dpAttr.Name.IsNullOrWhiteSpace())
{
obj.FieldName = dpAttr.Name;
}
obj.Order = dpAttr.Order;
}
else
{
ColumnAttribute clAttr = pd.Attributes.OfType <ColumnAttribute>().FirstOrDefault();
if (clAttr != null)
{
obj.Order = clAttr.Order;
if (!clAttr.Name.IsNullOrWhiteSpace())
{
obj.FieldName = clAttr.Name;
}
}
}
}
}
DisplayFormatAttribute dfAttr = pd.Attributes.OfType <DisplayFormatAttribute>().FirstOrDefault();
if (dfAttr != null && !dfAttr.DataFormatString.IsNullOrWhiteSpace())
{
obj.FormatText = dfAttr.DataFormatString;
}
if (dfAttr != null && !dfAttr.NullDisplayText.IsNullOrWhiteSpace())
{
obj.NullValue = dfAttr.NullDisplayText;
}
if (recordFieldConfigurations != null)
{
if (!recordFieldConfigurations.Any(c => c.Name == pd.Name))
{
recordFieldConfigurations.Add(obj);
}
}
}
}
}
}
return(recordType);
}
private void DiscoverRecordFields(Type recordType, string declaringMember, bool optIn = false,
List <ChoJSONRecordFieldConfiguration> recordFieldConfigurations = null)
{
if (!recordType.IsDynamicType())
{
Type pt = null;
if (ChoTypeDescriptor.GetProperties(recordType).Where(pd => pd.Attributes.OfType <ChoJSONRecordFieldAttribute>().Any()).Any())
{
foreach (PropertyDescriptor pd in ChoTypeDescriptor.GetProperties(recordType))
{
pt = pd.PropertyType.GetUnderlyingType();
bool optIn1 = ChoTypeDescriptor.GetProperties(pt).Where(pd1 => pd1.Attributes.OfType <ChoJSONRecordFieldAttribute>().Any()).Any();
if (optIn1 && !pt.IsSimple() && !typeof(IEnumerable).IsAssignableFrom(pt) && FlatToNestedObjectSupport)
{
DiscoverRecordFields(pt, declaringMember == null ? pd.Name : "{0}.{1}".FormatString(declaringMember, pd.Name), optIn1);
}
else if (pd.Attributes.OfType <ChoJSONRecordFieldAttribute>().Any())
{
var obj = new ChoJSONRecordFieldConfiguration(pd.Name, pd.Attributes.OfType <ChoJSONRecordFieldAttribute>().First(), pd.Attributes.OfType <Attribute>().ToArray());
obj.FieldType = pt;
obj.PropertyDescriptor = pd;
obj.DeclaringMember = declaringMember == null ? null : "{0}.{1}".FormatString(declaringMember, pd.Name);
if (recordFieldConfigurations != null)
{
if (!recordFieldConfigurations.Any(c => c.Name == pd.Name))
{
recordFieldConfigurations.Add(obj);
}
}
}
}
}
else
{
foreach (PropertyDescriptor pd in ChoTypeDescriptor.GetProperties(recordType))
{
JsonIgnoreAttribute jiAttr = pd.Attributes.OfType <JsonIgnoreAttribute>().FirstOrDefault();
if (jiAttr != null)
{
continue;
}
pt = pd.PropertyType.GetUnderlyingType();
if (pt != typeof(object) && !pt.IsSimple() && !typeof(IEnumerable).IsAssignableFrom(pt) && FlatToNestedObjectSupport)
{
DiscoverRecordFields(pt, declaringMember == null ? pd.Name : "{0}.{1}".FormatString(declaringMember, pd.Name), optIn);
}
else
{
var obj = new ChoJSONRecordFieldConfiguration(pd.Name, (string)null);
obj.FieldType = pt;
obj.PropertyDescriptor = pd;
obj.DeclaringMember = declaringMember == null ? null : "{0}.{1}".FormatString(declaringMember, pd.Name);
StringLengthAttribute slAttr = pd.Attributes.OfType <StringLengthAttribute>().FirstOrDefault();
if (slAttr != null && slAttr.MaximumLength > 0)
{
obj.Size = slAttr.MaximumLength;
}
ChoUseJSONSerializationAttribute sAttr = pd.Attributes.OfType <ChoUseJSONSerializationAttribute>().FirstOrDefault();
if (sAttr != null)
{
obj.UseJSONSerialization = true;
}
ChoJSONPathAttribute jpAttr = pd.Attributes.OfType <ChoJSONPathAttribute>().FirstOrDefault();
if (jpAttr != null)
{
obj.JSONPath = jpAttr.JSONPath;
}
JsonPropertyAttribute jAttr = pd.Attributes.OfType <JsonPropertyAttribute>().FirstOrDefault();
if (jAttr != null && !jAttr.PropertyName.IsNullOrWhiteSpace())
{
obj.FieldName = jAttr.PropertyName;
}
else
{
DisplayNameAttribute dnAttr = pd.Attributes.OfType <DisplayNameAttribute>().FirstOrDefault();
if (dnAttr != null && !dnAttr.DisplayName.IsNullOrWhiteSpace())
{
obj.FieldName = dnAttr.DisplayName.Trim();
}
else
{
DisplayAttribute dpAttr = pd.Attributes.OfType <DisplayAttribute>().FirstOrDefault();
if (dpAttr != null)
{
if (!dpAttr.ShortName.IsNullOrWhiteSpace())
{
obj.FieldName = dpAttr.ShortName;
}
else if (!dpAttr.Name.IsNullOrWhiteSpace())
{
obj.FieldName = dpAttr.Name;
}
}
}
}
DisplayFormatAttribute dfAttr = pd.Attributes.OfType <DisplayFormatAttribute>().FirstOrDefault();
if (dfAttr != null && !dfAttr.DataFormatString.IsNullOrWhiteSpace())
{
obj.FormatText = dfAttr.DataFormatString;
}
if (dfAttr != null && !dfAttr.NullDisplayText.IsNullOrWhiteSpace())
{
obj.NullValue = dfAttr.NullDisplayText;
}
if (recordFieldConfigurations != null)
{
if (!recordFieldConfigurations.Any(c => c.Name == pd.Name))
{
recordFieldConfigurations.Add(obj);
}
}
}
}
}
}
}
internal ChoJSONRecordFieldConfiguration(string name, ChoJSONRecordFieldAttribute attr = null, Attribute[] otherAttrs = null) : base(name, attr, otherAttrs)
{
//IsArray = false;
FieldName = name;
if (attr != null)
{
Order = attr.Order;
JSONPath = attr.JSONPath;
UseJSONSerialization = attr.UseJSONSerializationInternal;
FieldName = attr.FieldName.IsNullOrWhiteSpace() ? Name.NTrim() : attr.FieldName.NTrim();
}
if (otherAttrs != null)
{
var sa = otherAttrs.OfType <ChoSourceTypeAttribute>().FirstOrDefault();
if (sa != null)
{
SourceType = sa.Type;
}
StringLengthAttribute slAttr = otherAttrs.OfType <StringLengthAttribute>().FirstOrDefault();
if (slAttr != null && slAttr.MaximumLength > 0)
{
Size = slAttr.MaximumLength;
}
ChoUseJSONSerializationAttribute sAttr = otherAttrs.OfType <ChoUseJSONSerializationAttribute>().FirstOrDefault();
if (sAttr != null)
{
UseJSONSerialization = sAttr.Flag;
}
ChoJSONPathAttribute jpAttr = otherAttrs.OfType <ChoJSONPathAttribute>().FirstOrDefault();
if (jpAttr != null)
{
JSONPath = jpAttr.JSONPath;
}
JsonPropertyAttribute jAttr = otherAttrs.OfType <JsonPropertyAttribute>().FirstOrDefault();
if (jAttr != null && !jAttr.PropertyName.IsNullOrWhiteSpace())
{
FieldName = jAttr.PropertyName;
JSONPath = jAttr.PropertyName;
Order = jAttr.Order;
}
else
{
DisplayNameAttribute dnAttr = otherAttrs.OfType <DisplayNameAttribute>().FirstOrDefault();
if (dnAttr != null && !dnAttr.DisplayName.IsNullOrWhiteSpace())
{
FieldName = dnAttr.DisplayName.Trim();
}
else
{
DisplayAttribute dpAttr = otherAttrs.OfType <DisplayAttribute>().FirstOrDefault();
if (dpAttr != null)
{
if (!dpAttr.ShortName.IsNullOrWhiteSpace())
{
FieldName = dpAttr.ShortName;
}
else if (!dpAttr.Name.IsNullOrWhiteSpace())
{
FieldName = dpAttr.Name;
}
Order = dpAttr.Order;
}
else
{
ColumnAttribute clAttr = otherAttrs.OfType <ColumnAttribute>().FirstOrDefault();
if (clAttr != null)
{
Order = clAttr.Order;
if (!clAttr.Name.IsNullOrWhiteSpace())
{
FieldName = clAttr.Name;
}
}
}
}
}
DisplayFormatAttribute dfAttr = otherAttrs.OfType <DisplayFormatAttribute>().FirstOrDefault();
if (dfAttr != null && !dfAttr.DataFormatString.IsNullOrWhiteSpace())
{
FormatText = dfAttr.DataFormatString;
}
if (dfAttr != null && !dfAttr.NullDisplayText.IsNullOrWhiteSpace())
{
NullValue = dfAttr.NullDisplayText;
}
}
}
