internal static ITypeWriter getWriter(object obj, IProtocolFormatter formatter)
{
if (obj == null || obj is DBNull)
{
return(nullWriter);
}
Type objectType = obj.GetType();
ITypeWriter writer = formatter.getCachedWriter(objectType);
if (writer == null)
{
// none of the interfaces matched a writer.
// perform a lookup for the object class hierarchy
writer = getWriter(objectType, formatter, true);
if (writer == null)
{
if (typeof(IEnumerable).IsInstanceOfType(obj))
{
writer = enumerableWriter;
}
else
{
if (logSer)
{
Log.log(LoggingConstants.SERIALIZATION, "cannot find a writer for the object, will use default writer - " + defaultWriter);
}
writer = defaultWriter;
}
}
formatter.addCachedWriter(objectType, writer);
}
ITypeWriter referenceWriter = writer.getReferenceWriter();
if (referenceWriter != null)
{
// if the return object implements IHTTPSessionObject
// keep it in the http session. The same object will be retrieved
// on the subsequent invocations
#if (FULL_BUILD)
if (obj is IHttpSessionObject)
{
IHttpSessionObject httpSessionObject = (IHttpSessionObject)obj;
string id = httpSessionObject.getID();
object objectInSession = httpSessionObject.getObject();
if (Log.isLogging(LoggingConstants.DEBUG))
{
Log.log(LoggingConstants.DEBUG, "placing object into HTTP session. ID - " + id + " object " + obj);
}
//TODO: check for acuracy of Add method here
HttpSessionState session = (HttpSessionState)ThreadContext.currentSession();
if (session != null)
{
session.Add(id, objectInSession);
}
}
#endif
formatter.setContextWriter(writer);
writer = referenceWriter;
}
// if a writer is found, use it, otherwise use the default writer
return(writer);
}