static void SetProperties(Type type, XElement xml, HalResource resource)
{
foreach (var property in type.GetPublicInstanceProperties())
{
if (property.IsValidBasicType())
{
type.SetPropertyValue(property.Name, xml.Element(property.Name), resource);
}
else if (typeof(HalResource).IsAssignableFrom(property.PropertyType) &&
property.GetIndexParameters().Length == 0)
{
var resourceXml =
xml.Elements("resource").SingleOrDefault(x => x.Attribute("name").Value == property.Name);
var halResource = ReadHalResource(property.PropertyType, resourceXml);
property.SetValue(resource, halResource, null);
}
}
}
static void WriteHalResource(HalResource resource, XmlWriter writer, string propertyName = null)
{
if (resource == null)
{
return;
}
// First write the well-known HAL properties
writer.WriteStartElement("resource");
writer.WriteAttributeString("rel", resource.Rel);
writer.WriteAttributeString("href", resource.Href);
if (resource.LinkName != null || propertyName != null)
{
writer.WriteAttributeString("name", resource.LinkName = resource.LinkName ?? propertyName);
}
// Second, determine if resource is of Generic Resource List Type , list out all the items
if (resource.GetType().IsGenericResourceList())
{
var propertyValue = resource as IEnumerable;
foreach (HalResource item in propertyValue)
{
WriteHalResource(item, writer);
}
}
//Third write out the links of the resource
foreach (var link in resource.Links)
{
writer.WriteStartElement("link");
writer.WriteAttributeString("rel", link.Rel);
writer.WriteAttributeString("href", link.Href);
writer.WriteEndElement();
}
// Fourth, write the rest of the properties
WriteResourceProperties(resource, writer);
writer.WriteEndElement();
}
static void WriteResourceProperties(HalResource resource, XmlWriter writer)
{
// Only simple type and nested ApiResource type will be handled : for any other type, exception will be thrown
// including List<ApiResource> as representation of List would require properties rel, href and linkname
// To overcome the issue, use "ResourceList<T>"
foreach (var property in resource.GetType().GetPublicInstanceProperties())
{
if (property.IsValidBasicType())
{
var propertyString = GetPropertyString(property, resource);
if (propertyString != null)
{
writer.WriteElementString(property.Name, propertyString);
}
}
else if (typeof (HalResource).IsAssignableFrom(property.PropertyType) &&
property.GetIndexParameters().Length == 0)
{
var halResource = property.GetValue(resource, null);
WriteHalResource((HalResource) halResource, writer, property.Name);
}
}
}
static void CreateSelfHypermedia(Type type, XElement xml, HalResource resource)
{
type.GetProperty("Rel").SetValue(resource, xml.Attribute("rel").Value, null);
type.SetPropertyValue("Href", xml.Attribute("href"), resource);
type.SetPropertyValue("LinkName", xml.Attribute("name"), resource);
}
