EDMIService: Small fixes and exception handling

Service.EDMIService/Helpers/Messages.vb

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+Imports System.IO
+Imports System.Runtime.Serialization
+Imports System.ServiceModel
+Imports DigitalData.Modules.EDMI.API.Rights
+
+Namespace Messages
+
+#Region "DocumentImport"
+    <MessageContract>
+    Public Class DocumentImportRequest
+        <MessageBodyMember>
+        Public Contents() As Byte
+        <MessageBodyMember>
+        Public ObjectStoreId As Long
+        <MessageBodyMember>
+        Public FileName As String
+        <MessageBodyMember>
+        Public DocumentType As String
+        <MessageBodyMember>
+        Public RetentionDays As Long = 0
+    End Class
+
+    <MessageContract>
+    Public Class DocumentImportResponse
+        <MessageBodyMember>
+        Public ObjectId As Long
+    End Class
+#End Region
+
+#Region "DocumentStream"
+    <MessageContract>
+    Public Class DocumentStreamRequest
+        <MessageBodyMember>
+        Public ObjectId As Long
+    End Class
+
+    <MessageContract>
+    Public Class DocumentStreamResponse
+        <MessageHeader(MustUnderstand:=True)>
+        Public FileName As String
+
+        <MessageBodyMember(Order:=1)>
+        Public FileContents As Stream
+    End Class
+#End Region
+
+#Region "DocumentInfo"
+    <MessageContract>
+    Public Class DocumentInfoRequest
+        <MessageBodyMember>
+        Public ObjectId As Long
+
+        <MessageBodyMember>
+        Public UserId As Long
+    End Class
+
+    <MessageContract>
+    Public Class DocumentInfoResponse
+        <MessageBodyMember>
+        Public FullPath As String
+
+        <MessageBodyMember>
+        Public FileRight As AccessRight
+    End Class
+#End Region
+
+#Region "DocumentList"
+    <MessageContract>
+    <KnownType(GetType(DBNull))>
+    Public Class DocumentListResponse
+        <MessageBodyMember>
+        Public Datatable As DataTable
+    End Class
+#End Region
+
+End Namespace
+
+
+