private void AddCustomNameSpaces(XmlSchema xsdSchema, JsonSchema jsonSchema)
{
Dictionary <string, JsonSchema> definitions = GetterExtensions.Definitions(jsonSchema);
if (definitions != null)
{
foreach (KeyValuePair <string, JsonSchema> def in definitions)
{
JsonSchema jSchema = def.Value;
if (jSchema != JsonSchema.Empty && jSchema.Properties() != null)
{
Dictionary <string, JsonSchema> props = jSchema.Properties();
foreach (KeyValuePair <string, JsonSchema> property in props)
{
JsonSchema schemaProp = property.Value;
string nameProp = property.Key;
if (nameProp.Equals("dataFormatProvider") && schemaProp.Const().String.Equals("SERES"))
{
xsdSchema.Namespaces.Add("seres", SERES_NS);
}
}
}
}
}
}
/// <summary>
/// Creates a XmlSchema object from a JSON Schema object
/// </summary>
/// <param name="jSchema">The Json Schema to convert</param>
/// <returns>The converted XmlSchema object</returns>
public XmlSchema CreateXsd(JsonSchema jSchema)
{
if (jSchema == null)
{
throw new Exception("Cannot create XSD from empty (null) JsonSchema");
}
XmlSchema xsdSchema = new XmlSchema
{
ElementFormDefault = XmlSchemaForm.Qualified,
AttributeFormDefault = XmlSchemaForm.Unqualified,
};
xsdSchema.Namespaces.Add("brreg", BRREG_NS);
AddInfo(xsdSchema, jSchema);
string title = GetterExtensions.Title(jSchema);
string description = GetterExtensions.Description(jSchema);
if (!string.IsNullOrEmpty(title) || !string.IsNullOrEmpty(description))
{
XmlSchemaAnnotation annotation = new XmlSchemaAnnotation();
AddTitleAndDescriptionAnnotations(jSchema, annotation);
xsdSchema.Items.Add(annotation);
}
// Handle global element declarations
Dictionary <string, JsonSchema> globalProperties = jSchema.Properties();
if (globalProperties != null)
{
foreach (KeyValuePair <string, JsonSchema> property in globalProperties)
{
XmlSchemaElement rootElement = new XmlSchemaElement
{
Name = property.Key,
SchemaTypeName = GetTypeName(property.Value),
};
AddAnnotations(rootElement, property.Value);
xsdSchema.Items.Add(rootElement);
}
}
// Handle all definitions
Dictionary <string, JsonSchema> definitions = GetterExtensions.Definitions(jSchema);
if (definitions != null)
{
foreach (KeyValuePair <string, JsonSchema> def in definitions)
{
ExtractProperties(xsdSchema, def.Key, def.Value);
}
}
return(xsdSchema);
}
private XmlSchemaElement ExtractElementSequence(string propertyName, JsonSchema propertyType, JsonSchema parentSchema)
{
XmlSchemaElement element = new XmlSchemaElement
{
Name = propertyName,
};
AddAnnotations(element, propertyType);
List<JsonSchema> items = GetterExtensions.Items(propertyType);
if (items != null && items.Count > 0)
{
double? minItems = GetterExtensions.MinItems(propertyType);
double? maxItems = GetterExtensions.MaxItems(propertyType);
if (minItems != null)
{
element.MinOccurs = (decimal)minItems;
}
if (maxItems != null)
{
element.MaxOccurs = (decimal)maxItems;
}
else
{
element.MaxOccursString = "unbounded";
}
foreach (JsonSchema schema in items)
{
string typeRef = GetterExtensions.Ref(schema);
element.SchemaTypeName = new XmlQualifiedName(ExtractTypeFromDefinitionReference(typeRef));
}
}
XmlQualifiedName typeName = GetTypeName(propertyType);
if (typeName != null)
{
element.SchemaTypeName = typeName;
}
List<string> requiredFields = GetterExtensions.Required(parentSchema);
if (requiredFields == null || !requiredFields.Contains(propertyName))
{
element.MinOccurs = 0;
element.IsNillable = true;
}
string reference = GetterExtensions.Ref(propertyType);
if (reference != null)
{
element.SchemaTypeName = new XmlQualifiedName(ExtractTypeFromDefinitionReference(reference));
}
return element;
}
private XmlQualifiedName GetTypeName(JsonSchema jSchema)
{
string referencedType = GetterExtensions.Ref(jSchema);
if (!string.IsNullOrEmpty(referencedType))
{
return(new XmlQualifiedName(ExtractTypeFromDefinitionReference(referencedType)));
}
TypeKeyword type = jSchema.Get <TypeKeyword>();
if (type != null)
{
switch (type.Value)
{
case JsonSchemaType.String:
{
string format = GetterExtensions.Format(jSchema);
if (format != null)
{
return(ExtractBaseTypeNameFromFormat(format));
}
return(new XmlQualifiedName("string", XML_SCHEMA_NS));
}
case JsonSchemaType.Integer:
return(new XmlQualifiedName("integer", XML_SCHEMA_NS));
case JsonSchemaType.Number:
return(new XmlQualifiedName("decimal", XML_SCHEMA_NS));
case JsonSchemaType.Boolean:
return(new XmlQualifiedName("boolean", XML_SCHEMA_NS));
case JsonSchemaType.Array:
{
List <JsonSchema> itemsSchemas = GetterExtensions.Items(jSchema);
JsonSchema itemSchema = itemsSchemas.ToArray()[0];
string itemsReferencedType = GetterExtensions.Ref(itemSchema);
if (!string.IsNullOrEmpty(itemsReferencedType))
{
return(new XmlQualifiedName(ExtractTypeFromDefinitionReference(itemsReferencedType)));
}
return(null);
}
}
return(null);
}
return(null);
}
private void AddTitleAndDescriptionAnnotations(JsonSchema jSchema, XmlSchemaAnnotation annotation)
{
string description = GetterExtensions.Description(jSchema);
if (description != null)
{
annotation.Items.Add(CreateSimpleDocumentation("description", description));
}
string title = GetterExtensions.Title(jSchema);
if (title != null)
{
annotation.Items.Add(CreateSimpleDocumentation("title", title));
}
}
private XmlSchemaSequence ExtractAttributesAndElements(JsonSchema jSchema, XmlSchemaComplexType complexType)
{
if (jSchema == null || jSchema.Properties() == null)
{
return(null);
}
List <string> requiredProperties = GetterExtensions.Required(jSchema);
XmlSchemaSequence sequence = new XmlSchemaSequence();
foreach (KeyValuePair <string, JsonSchema> property in jSchema.Properties())
{
string propertyName = property.Key;
JsonSchema propertyType = property.Value;
string xsdType = propertyType.OtherData.TryGetString("@xsdType");
if (xsdType != null && xsdType.Equals("XmlAttribute"))
{
XmlSchemaAttribute attribute = ExtractAttribute(propertyName, propertyType);
if (requiredProperties != null && requiredProperties.Contains(propertyName))
{
attribute.Use = XmlSchemaUse.Required;
}
complexType.Attributes.Add(attribute);
}
else
{
sequence.Items.Add(ExtractElementSequence(propertyName, propertyType, jSchema));
}
}
bool?xsdAnyAttribute = jSchema.OtherData.TryGetBoolean("@xsdAnyAttribute");
if (xsdAnyAttribute == true)
{
XmlSchemaAnyAttribute anyAttribute = new XmlSchemaAnyAttribute();
anyAttribute.Namespace = "##targetNamespace";
complexType.AnyAttribute = anyAttribute;
}
return(sequence);
}
private XmlSchemaComplexType ExtractComplexTypeSimpleContent(string name, JsonSchema jSchema)
{
List <string> requiredProperties = GetterExtensions.Required(jSchema);
XmlSchemaComplexType complexType = new XmlSchemaComplexType
{
Name = name,
};
AddAnnotations(complexType, jSchema);
XmlSchemaSimpleContent simpleContent = new XmlSchemaSimpleContent();
XmlSchemaSimpleContentExtension extension = new XmlSchemaSimpleContentExtension();
simpleContent.Content = extension;
foreach (KeyValuePair <string, JsonSchema> item in jSchema.Properties())
{
if (item.Key.Equals("value") || HasSimpleContentAnnotation(item.Value))
{
extension.BaseTypeName = new XmlQualifiedName(
ExtractTypeFromDefinitionReference(GetterExtensions.Ref(item.Value)));
}
else
{
XmlSchemaAttribute attributeDefinition = ExtractAttribute(item.Key, item.Value);
if (requiredProperties.Contains(item.Key))
{
attributeDefinition.Use = XmlSchemaUse.Required;
}
extension.Attributes.Add(attributeDefinition);
}
}
complexType.ContentModel = simpleContent;
AddUnhandledAttributes(jSchema, complexType);
return(complexType);
}
private static XmlSchemaSimpleTypeRestriction ExtractNumberAndIntegerFacets(JsonSchema jSchema, TypeKeyword type)
{
XmlSchemaSimpleTypeRestriction content = new XmlSchemaSimpleTypeRestriction();
double? minValue = GetterExtensions.Minimum(jSchema);
double? minExclusiveValue = GetterExtensions.ExclusiveMinimum(jSchema);
if (type.Value == JsonSchemaType.Number)
{
content.BaseTypeName = new XmlQualifiedName("decimal", XML_SCHEMA_NS);
}
else if (type.Value == JsonSchemaType.Integer)
{
if (minValue != null && minValue == 0.0)
{
content.BaseTypeName = new XmlQualifiedName("positiveInteger", XML_SCHEMA_NS);
}
else
{
content.BaseTypeName = new XmlQualifiedName("integer", XML_SCHEMA_NS);
}
}
if (minValue != null || minExclusiveValue != null)
{
if (minValue != null)
{
XmlSchemaMinInclusiveFacet facet = new XmlSchemaMinInclusiveFacet
{
Value = FormatDouble((double)minValue),
};
content.Facets.Add(facet);
}
else
{
XmlSchemaMinExclusiveFacet facet = new XmlSchemaMinExclusiveFacet
{
Value = FormatDouble((double)minExclusiveValue),
};
content.Facets.Add(facet);
}
}
double? maxValue = GetterExtensions.Maximum(jSchema);
double? maxExclusiveValue = GetterExtensions.ExclusiveMaximum(jSchema);
if (maxValue != null || maxExclusiveValue != null)
{
if (maxValue != null)
{
XmlSchemaMaxInclusiveFacet maxInclusiveFacet = new XmlSchemaMaxInclusiveFacet
{
Value = FormatDouble((double)maxValue),
};
content.Facets.Add(maxInclusiveFacet);
}
else
{
XmlSchemaMaxExclusiveFacet maxExclusiveFacet = new XmlSchemaMaxExclusiveFacet
{
Value = FormatDouble((double)maxExclusiveValue),
};
content.Facets.Add(maxExclusiveFacet);
}
}
return content;
}
private XmlSchemaSimpleTypeRestriction ExtractStringFacets(JsonSchema jSchema)
{
XmlSchemaSimpleTypeRestriction content = new XmlSchemaSimpleTypeRestriction
{
BaseTypeName = new XmlQualifiedName("string", XML_SCHEMA_NS),
};
EnumKeyword enumKeyword = jSchema.Get<EnumKeyword>();
if (enumKeyword != null)
{
foreach (JsonValue enumValue in GetterExtensions.Enum(jSchema))
{
XmlSchemaEnumerationFacet enumFacet = new XmlSchemaEnumerationFacet
{
Value = enumValue.String,
};
content.Facets.Add(enumFacet);
}
}
MinLengthKeyword minLength = jSchema.Get<MinLengthKeyword>();
MaxLengthKeyword maxLength = jSchema.Get<MaxLengthKeyword>();
if (minLength != null && maxLength != null && minLength.Value == maxLength.Value)
{
// special rule that maps equal min and max lengths to xsd length facet
XmlSchemaLengthFacet lengthFacet = new XmlSchemaLengthFacet
{
Value = minLength.Value.ToString(),
};
content.Facets.Add(lengthFacet);
}
else
{
if (minLength != null)
{
XmlSchemaMinLengthFacet minLengthFacet = new XmlSchemaMinLengthFacet
{
Value = minLength.Value.ToString(),
};
content.Facets.Add(minLengthFacet);
}
if (maxLength != null)
{
XmlSchemaMaxLengthFacet maxLengthFacet = new XmlSchemaMaxLengthFacet
{
Value = maxLength.Value.ToString(),
};
content.Facets.Add(maxLengthFacet);
}
}
PatternKeyword pattern = jSchema.Get<PatternKeyword>();
if (pattern != null)
{
XmlSchemaPatternFacet patternFacet = new XmlSchemaPatternFacet
{
Value = pattern.Value.ToString(),
};
content.Facets.Add(patternFacet);
}
FormatKeyword format = jSchema.Get<FormatKeyword>();
if (format != null && format.Value != null && !string.IsNullOrEmpty(format.Value.Key))
{
content.BaseTypeName = ExtractBaseTypeNameFromFormat(format.Value.Key);
}
return content;
}
private XmlSchemaSimpleType ExtractSimpleType(string name, JsonSchema jSchema)
{
XmlSchemaSimpleType simpleType = new XmlSchemaSimpleType
{
Name = name,
};
AddAnnotations(simpleType, jSchema);
string reference = GetterExtensions.Ref(jSchema);
if (reference != null)
{
XmlQualifiedName baseTypeName = new XmlQualifiedName(ExtractTypeFromDefinitionReference(reference));
XmlSchemaSimpleTypeRestriction simpleTypeRestriction = new XmlSchemaSimpleTypeRestriction
{
BaseTypeName = baseTypeName,
};
XmlSchemaSimpleTypeRestriction stringFacets = ExtractStringFacets(jSchema);
if (stringFacets.Facets.Count > 0)
{
foreach (XmlSchemaObject facet in stringFacets.Facets)
{
simpleTypeRestriction.Facets.Add(facet);
}
}
XmlSchemaSimpleTypeRestriction numberFacets = ExtractNumberAndIntegerFacets(jSchema, new TypeKeyword(JsonSchemaType.Number));
if (numberFacets.Facets.Count > 0)
{
foreach (XmlSchemaObject facet in numberFacets.Facets)
{
simpleTypeRestriction.Facets.Add(facet);
}
}
simpleType.Content = simpleTypeRestriction;
return simpleType;
}
TypeKeyword type = jSchema.Get<TypeKeyword>();
if (type == null)
{
// assume string type if type is missing
XmlSchemaSimpleTypeRestriction noTypeSimpleType = ExtractStringFacets(jSchema);
noTypeSimpleType.BaseTypeName = null;
simpleType.Content = noTypeSimpleType;
return simpleType;
}
if (type.Value == JsonSchemaType.String)
{
simpleType.Content = ExtractStringFacets(jSchema);
}
else if (type.Value == JsonSchemaType.Number || type.Value == JsonSchemaType.Integer)
{
simpleType.Content = ExtractNumberAndIntegerFacets(jSchema, type);
}
else if (type.Value == JsonSchemaType.Boolean)
{
XmlSchemaSimpleTypeRestriction content = new XmlSchemaSimpleTypeRestriction
{
BaseTypeName = new XmlQualifiedName("boolean", XML_SCHEMA_NS),
};
simpleType.Content = content;
}
else if (type.Value == JsonSchemaType.Array)
{
string xlist = jSchema.OtherData.TryGetString("@xsdType");
if (xlist.Equals("XmlList"))
{
XmlSchemaSimpleTypeList theList = new XmlSchemaSimpleTypeList();
List<JsonSchema> items = GetterExtensions.Items(jSchema);
string typeRef = GetterExtensions.Ref(items[0]);
theList.ItemTypeName = new XmlQualifiedName(ExtractTypeFromDefinitionReference(typeRef));
simpleType.Content = theList;
}
}
return simpleType;
}
private XmlSchemaComplexType ExtractComplexType(string name, JsonSchema type)
{
XmlSchemaComplexType complexType = new XmlSchemaComplexType
{
Name = name,
};
AddAnnotations(complexType, type);
string abstractType = type.OtherData.TryGetString("@xsdTag");
if (abstractType != null && abstractType.Equals("abstract"))
{
complexType.IsAbstract = true;
}
List<JsonSchema> allOf = GetterExtensions.AllOf(type);
if (allOf != null && allOf.Count > 0)
{
XmlSchemaComplexContentExtension extension = new XmlSchemaComplexContentExtension();
foreach (JsonSchema schema in allOf)
{
string reference = GetterExtensions.Ref(schema);
if (reference != null)
{
extension.BaseTypeName = new XmlQualifiedName(ExtractTypeFromDefinitionReference(reference));
XmlSchemaComplexContent content = new XmlSchemaComplexContent
{
Content = extension,
};
complexType.ContentModel = content;
}
else if (schema.Properties() != null)
{
extension.Particle = ExtractAttributesAndElements(schema, complexType);
}
}
}
else
{
XmlSchemaSequence sequence = new XmlSchemaSequence();
List<JsonSchema> oneOf = GetterExtensions.OneOf(type);
if (oneOf != null && oneOf.Count > 0)
{
XmlSchemaChoice choice = new XmlSchemaChoice();
foreach (JsonSchema choiceType in oneOf)
{
XmlSchemaSequence propSequence = ExtractAttributesAndElements(choiceType, complexType);
foreach (XmlSchemaObject item in propSequence.Items)
{
choice.Items.Add(item);
}
}
sequence.Items.Add(choice);
}
// handle properties
XmlSchemaSequence propertySequence = ExtractAttributesAndElements(type, complexType);
if (propertySequence != null && propertySequence.Items.Count > 0)
{
foreach (XmlSchemaObject item in propertySequence.Items)
{
sequence.Items.Add(item);
}
}
if (sequence != null && sequence.Items.Count > 0)
{
complexType.Particle = sequence;
}
}
return complexType;
}
private static XmlSchemaSimpleTypeRestriction ExtractNumberAndIntegerFacets(JsonSchema jSchema, TypeKeyword type)
{
XmlSchemaSimpleTypeRestriction content = new XmlSchemaSimpleTypeRestriction();
double?minValue = GetterExtensions.Minimum(jSchema);
double?minExclusiveValue = GetterExtensions.ExclusiveMinimum(jSchema);
if (type.Value == JsonSchemaType.Number)
{
content.BaseTypeName = new XmlQualifiedName("decimal", XML_SCHEMA_NS);
}
else if (type.Value == JsonSchemaType.Integer)
{
if (minValue != null && minValue == 1)
{
content.BaseTypeName = new XmlQualifiedName("positiveInteger", XML_SCHEMA_NS);
}
else
{
content.BaseTypeName = new XmlQualifiedName("integer", XML_SCHEMA_NS);
}
}
double?maxValue = GetterExtensions.Maximum(jSchema);
double?maxExclusiveValue = GetterExtensions.ExclusiveMaximum(jSchema);
Regex regex = new Regex("^[9]+$");
if ((minValue != null && maxValue != null) && Math.Abs((double)minValue).Equals(maxValue) && regex.IsMatch(maxValue.ToString()))
{
XmlSchemaTotalDigitsFacet facet = new XmlSchemaTotalDigitsFacet
{
Value = FormatDouble(maxValue.ToString().Length),
};
content.Facets.Add(facet);
}
else
{
if (minValue != null || minExclusiveValue != null)
{
if (minValue != null)
{
XmlSchemaMinInclusiveFacet facet = new XmlSchemaMinInclusiveFacet
{
Value = FormatDouble((double)minValue),
};
content.Facets.Add(facet);
}
else
{
XmlSchemaMinExclusiveFacet facet = new XmlSchemaMinExclusiveFacet
{
Value = FormatDouble((double)minExclusiveValue),
};
content.Facets.Add(facet);
}
}
if (maxValue != null || maxExclusiveValue != null)
{
if (maxValue != null)
{
XmlSchemaMaxInclusiveFacet maxInclusiveFacet = new XmlSchemaMaxInclusiveFacet
{
Value = FormatDouble((double)maxValue),
};
content.Facets.Add(maxInclusiveFacet);
}
else
{
XmlSchemaMaxExclusiveFacet maxExclusiveFacet = new XmlSchemaMaxExclusiveFacet
{
Value = FormatDouble((double)maxExclusiveValue),
};
content.Facets.Add(maxExclusiveFacet);
}
}
}
return(content);
}
