private Dtobase Filter(Dtobase item, Type type, byte level)
{
try
{
if (null == item)
{
return(null);
}
Dtobase dto = (Dtobase)Activator.CreateInstance(type);
PropertyMeta[] properties = this.context.GetPropertyDefs(type);
for (int i = 0; i < properties.Length; i++)
{
PropertyMeta property = properties[i];
if (!property.Valid || !property.HasLevel(level))
{
continue;
}
Object value = property.Read(item);
if (PropertyMeta.ClassType.Value == property.PropertyClassType ||
PropertyMeta.ClassType.CustomType == property.PropertyClassType ||
PropertyMeta.ClassType.CustomTypeCollection == property.PropertyClassType)
{
property.Write(dto, value);
}
else if (PropertyMeta.ClassType.Class == property.PropertyClassType)
{
byte nestedLevel = property.DtoNestedLevel;
if (level != property.DtoLevel)
{
nestedLevel = (byte)(nestedLevel + level - property.DtoLevel);
}
property.Write(dto,
this.Filter((Dtobase)value, property.PropertyClass, nestedLevel));
}
else if (PropertyMeta.ClassType.Collection == property.PropertyClassType)
{
byte nestedLevel = property.DtoNestedLevel;
if (level != property.DtoLevel)
{
nestedLevel = (byte)(nestedLevel + level - property.DtoLevel);
}
property.Write(dto,
this.FilterList((IEnumerable)value, property.InnerGenericClass, nestedLevel));
}
}
return(dto);
}
catch (Exception ex)
{
throw new Exception(
"Filtering failed. Type:'" + item.GetType().Name +
"'. Level:'" + level + "'", ex);
}
}
private void MapTo(Dtobase source, Dtobase dest, Type type)
{
if (null == source)
{
return;
}
try
{
PropertyMeta[] properties = this.context.GetPropertyDefs(type);
for (int i = 0; i < properties.Length; i++)
{
PropertyMeta property = properties[i];
if (!property.Valid || !property.IsAssigned(source))
{
continue;
}
Object sourceValue = property.Read(source);
Object destValue = property.Read(dest);
if (null == sourceValue ||
null == destValue ||
PropertyMeta.ClassType.Value == property.PropertyClassType ||
PropertyMeta.ClassType.CustomType == property.PropertyClassType ||
PropertyMeta.ClassType.CustomTypeCollection == property.PropertyClassType)
{
property.Write(dest, sourceValue);
}
else if (PropertyMeta.ClassType.Class == property.PropertyClassType)
{
if (object.Equals(sourceValue, destValue))
{
this.MapTo((Dtobase)sourceValue, (Dtobase)destValue, sourceValue.GetType());
}
else
{
property.Write(dest, sourceValue);
}
}
else if (PropertyMeta.ClassType.Collection == property.PropertyClassType)
{
IEnumerable destList = (IEnumerable)destValue;
IEnumerable sourceList = (IEnumerable)sourceValue;
this.MapToCollection(sourceList, destList, source);
}
}
}
catch (Exception ex)
{
throw new Exception(
"Mapping failed from '" + source.GetType().Name +
"' to '" + dest.GetType().Name + "'", ex);
}
}
/// <summary>
/// Parses JSON data into domain object
/// </summary>
/// <param name="node">JSON tree</param>
/// <param name="type">domain object type</param>
/// <returns>parsed domain object instance</returns>
public object Parse(JToken node, Type type)
{
try
{
Dtobase dto = (Dtobase)Activator.CreateInstance(type);
if (!node.HasValues)
{
return(dto);
}
PropertyMeta[] properties = this.context.GetPropertyDefs(type);
for (int i = 0; i < properties.Length; i++)
{
PropertyMeta propertyDef = properties[i];
if (!propertyDef.Valid)
{
continue;
}
JToken propertyValue = node[propertyDef.Name];
if (null != propertyValue)
{
try
{
if (PropertyMeta.ClassType.Value == propertyDef.PropertyClassType)
{
dto.AddAssignedField(propertyDef.Name);
propertyDef.Write(dto, this.ParseValue(propertyValue, propertyDef));
}
else if (PropertyMeta.ClassType.Class == propertyDef.PropertyClassType ||
PropertyMeta.ClassType.CustomType == propertyDef.PropertyClassType)
{
dto.AddAssignedField(propertyDef.Name);
propertyDef.Write(dto, this.Parse(propertyValue, propertyDef.PropertyClass));
}
else if (PropertyMeta.ClassType.Collection == propertyDef.PropertyClassType ||
PropertyMeta.ClassType.CustomTypeCollection == propertyDef.PropertyClassType)
{
IList list = (IList)this.context.BuildList(propertyDef.InnerGenericClass);
foreach (JToken item in propertyValue)
{
list.Add(this.Parse(item, propertyDef.InnerGenericClass));
}
propertyDef.Write(dto, list);
dto.AddAssignedField(propertyDef.Name);
}
}
catch
{
dto.AddWrongField(propertyDef.Name);
}
}
}
return(dto);
}
catch (Exception ex)
{
throw new Exception("JSON parsing failed", ex);
}
}
