public ApprovalEngine.ApprovalProcessResults ProcessMessage()
{
if (!MultilevelAuth.IsInternalMail(this.message))
{
return(ApprovalEngine.ApprovalProcessResults.Invalid);
}
DecisionHandler decisionHandler = null;
ApprovalEngine.ApprovalProcessResults result;
try
{
InitiationMessage initiationMessage;
NdrOofHandler ndrOofHandler;
if (InitiationMessage.TryCreate(this.message, out initiationMessage))
{
result = this.HandleInitiationMessage(initiationMessage);
}
else if (DecisionHandler.TryCreate(this.messageItem, this.sender.ToString(), this.mbxTransportMailItem.OrganizationId, out decisionHandler))
{
ApprovalEngine.ApprovalProcessResults approvalProcessResults = decisionHandler.Process();
result = approvalProcessResults;
}
else if (NdrOofHandler.TryCreate(this.messageItem, out ndrOofHandler))
{
result = ndrOofHandler.Process();
}
else
{
result = ApprovalEngine.ApprovalProcessResults.Invalid;
}
}
finally
{
if (decisionHandler != null)
{
decisionHandler.Dispose();
}
}
return(result);
}