Base: move Files

Base/ObjectEx.vb

@@ -0,0 +1,46 @@
+Public Class ObjectEx
+    ''' <summary>
+    ''' Checks a value for three different `null` values,
+    ''' Nothing, Empty String, DBNull
+    ''' 
+    ''' Returns the original value if the value is not null, or `defaultValue`
+    ''' </summary>
+    ''' <typeparam name="T">The type of the value</typeparam>
+    ''' <param name="value">The value</param>
+    ''' <param name="defaultValue">The default Value</param>
+    ''' <returns>The original value or the default value</returns>
+    Public Shared Function NotNull(Of T)(ByVal value As T, ByVal defaultValue As T) As T
+        If IsNothing(value) OrElse String.IsNullOrEmpty(value.ToString) OrElse IsDBNull(value) Then
+            Return defaultValue
+        Else
+            Return value
+        End If
+    End Function
+
+    ''' <summary>
+    ''' Converts a String value to the given Enum
+    ''' </summary>
+    ''' <typeparam name="T">The Enum Type</typeparam>
+    ''' <param name="value">The string value to convert</param>
+    Public Shared Function ToEnum(Of T)(value As String) As T
+        Return [Enum].Parse(GetType(T), value)
+    End Function
+
+    ''' <summary>
+    ''' Converts an Integer value to the given Enum
+    ''' </summary>
+    ''' <typeparam name="T">The Enum Type</typeparam>
+    ''' <param name="value">The integer value to convert</param>
+    Public Shared Function ToEnum(Of T)(value As Integer) As T
+        Return [Enum].ToObject(GetType(T), value)
+    End Function
+
+    ''' <summary>
+    ''' Converts a Long value to the given Enum
+    ''' </summary>
+    ''' <typeparam name="T">The Enum Type</typeparam>
+    ''' <param name="value">The long value to convert</param>
+    Public Shared Function ToEnum(Of T)(value As Long) As T
+        Return [Enum].ToObject(GetType(T), value)
+    End Function
+End Class