public void GenerateClasses()
{
if (this.CodeWriter == null)
{
this.CodeWriter = new CSharpCodeWriter();
}
if (this.ExplicitDeserialization && !(this.CodeWriter is CSharpCodeWriter))
{
throw new ArgumentException("Explicit deserialization is obsolete and is only supported by the C# provider.");
}
if (this.used)
{
throw new InvalidOperationException("This instance of JsonClassGenerator has already been used. Please create a new instance.");
}
this.used = true;
var writeToDisk = this.TargetFolder != null;
if (writeToDisk && !Directory.Exists(this.TargetFolder))
{
Directory.CreateDirectory(this.TargetFolder);
}
JObject[] examples;
var example = this.Example.StartsWith("HTTP/") ? this.Example.Substring(this.Example.IndexOf("\r\n\r\n")) : this.Example;
using (var sr = new StringReader(example))
using (var reader = new JsonTextReader(sr))
{
var json = JToken.ReadFrom(reader);
if (json is JArray)
{
examples = ((JArray)json).Cast <JObject>().ToArray();
}
else if (json is JObject)
{
examples = new[] { (JObject)json };
}
else
{
throw new Exception("Sample JSON must be either a JSON array, or a JSON object.");
}
}
this.Types = new List <JsonType>();
this.Names.Add(this.MainClass);
var rootType = new JsonType(this, examples[0]);
rootType.IsRoot = true;
rootType.AssignName(this.MainClass);
this.GenerateClass(examples, rootType);
if (writeToDisk)
{
var parentFolder = System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
if (writeToDisk && !this.NoHelperClass && this.ExplicitDeserialization)
{
File.WriteAllBytes(Path.Combine(this.TargetFolder, "JsonClassHelper.cs"), Properties.Resources.JsonClassHelper);
}
if (this.SingleFile)
{
this.WriteClassesToFile(Path.Combine(this.TargetFolder, this.MainClass + this.CodeWriter.FileExtension), this.Types);
}
else
{
foreach (var type in this.Types)
{
var folder = this.TargetFolder;
if (!this.UseNestedClasses && !type.IsRoot && this.SecondaryNamespace != null)
{
var s = this.SecondaryNamespace;
if (s.StartsWith(this.Namespace + "."))
{
s = s.Substring(this.Namespace.Length + 1);
}
folder = Path.Combine(folder, s);
Directory.CreateDirectory(folder);
}
this.WriteClassesToFile(Path.Combine(folder, (this.UseNestedClasses && !type.IsRoot ? this.MainClass + "." : string.Empty) + type.AssignedName + this.CodeWriter.FileExtension), new[] { type });
}
}
}
else if (this.OutputStream != null)
{
this.WriteClassesToFile(this.OutputStream, this.Types);
}
}
private void GenerateClass(JObject[] examples, JsonType type)
{
var jsonFields = new Dictionary <string, JsonType>();
var fieldExamples = new Dictionary <string, IList <object> >();
var first = true;
foreach (var obj in examples)
{
foreach (var prop in obj.Properties())
{
JsonType fieldType;
var currentType = new JsonType(this, prop.Value);
var propName = prop.Name;
if (jsonFields.TryGetValue(propName, out fieldType))
{
var commonType = fieldType.GetCommonType(currentType);
jsonFields[propName] = commonType;
}
else
{
var commonType = currentType;
if (first)
{
commonType = commonType.MaybeMakeNullable(this);
}
else
{
commonType = commonType.GetCommonType(JsonType.GetNull(this));
}
jsonFields.Add(propName, commonType);
fieldExamples[propName] = new List <object>();
}
var fe = fieldExamples[propName];
var val = prop.Value;
if (val.Type == JTokenType.Null || val.Type == JTokenType.Undefined)
{
if (!fe.Contains(null))
{
fe.Insert(0, null);
}
}
else
{
var v = val.Type == JTokenType.Array || val.Type == JTokenType.Object ? val : val.Value <object>();
if (!fe.Any(x => v.Equals(x)))
{
fe.Add(v);
}
}
}
first = false;
}
if (this.UseNestedClasses)
{
foreach (var field in jsonFields)
{
this.Names.Add(field.Key.ToLower());
}
}
foreach (var field in jsonFields)
{
var fieldType = field.Value;
if (fieldType.Type == JsonTypeEnum.Object)
{
var subexamples = new List <JObject>(examples.Length);
foreach (var obj in examples)
{
JToken value;
if (obj.TryGetValue(field.Key, out value))
{
if (value.Type == JTokenType.Object)
{
subexamples.Add((JObject)value);
}
}
}
fieldType.AssignName(this.CreateUniqueClassName(field.Key));
this.GenerateClass(subexamples.ToArray(), fieldType);
}
if (fieldType.InternalType != null && fieldType.InternalType.Type == JsonTypeEnum.Object)
{
var subexamples = new List <JObject>(examples.Length);
foreach (var obj in examples)
{
JToken value;
if (obj.TryGetValue(field.Key, out value))
{
if (value.Type == JTokenType.Array)
{
foreach (var item in (JArray)value)
{
if (!(item is JObject))
{
throw new NotSupportedException("Arrays of non-objects are not supported yet.");
}
subexamples.Add((JObject)item);
}
}
else if (value.Type == JTokenType.Object)
{
foreach (var item in (JObject)value)
{
if (!(item.Value is JObject))
{
throw new NotSupportedException("Arrays of non-objects are not supported yet.");
}
subexamples.Add((JObject)item.Value);
}
}
}
}
field.Value.InternalType.AssignName(this.CreateUniqueClassNameFromPlural(field.Key));
this.GenerateClass(subexamples.ToArray(), field.Value.InternalType);
}
}
type.Fields = jsonFields.Select(x => new FieldInfo(this, x.Key, x.Value, this.UsePascalCase, fieldExamples[x.Key])).ToArray();
this.Types.Add(type);
}
