diff --git a/src/Utils.cls b/src/Utils.cls
new file mode 100644
index 0000000..b504c46
--- /dev/null
+++ b/src/Utils.cls
@@ -0,0 +1,131 @@
+/// Utility methods
+Class isc.barcode.Utils
+{
+
+/// Main class to import
+Parameter JARPATH = "C:\java\barcode.jar";
+
+Parameter CLASS = "isc.barcode";
+
+/// Gateway name to create/use
+Parameter GATEWAY = "jtest";
+
+/// Load Jar from path.
+/// w ##class(isc.barcode.Utils).UpdateJar()
+/// Write $System.Status.GetErrorText(##class(isc.barcode.Utils).UpdateJar())
+ClassMethod UpdateJar(gatewayName = {..#GATEWAY}, path As %String = {..#JARPATH})
+{
+	#dim sc As %Status = $$$OK
+	//Set sc = ##class(Ens.Director).StopProduction(, 1)
+	quit:$$$ISERR(sc) sc
+	
+	//Set sc = ##class(%Net.Remote.Service).StopGateway(gatewayName)
+	quit:$$$ISERR(sc) sc
+
+	set gateway = ..Connect(gatewayName, path, .sc)
+	quit:$$$ISERR(sc) sc
+
+	set sc = gateway.%Import(..#CLASS)
+	quit:$$$ISERR(sc) sc
+	set:'##class(%Dictionary.CompiledClass).%ExistsId(..#CLASS) sc = $$$ERROR($$$GeneralError, $$$FormatText("Class '%1' does not exist",..#CLASS))
+	quit:$$$ISERR(sc) sc
+	
+	set sc = ##class(%Net.Remote.Service).StopGateway(gatewayName)
+	
+	//Set sc = ##class(Ens.Director).StartProduction()
+	quit sc
+}
+
+ClassMethod Connect(gatewayName As %String = {..#GATEWAY}, path As %String = {..#JARPATH}, Output sc As %Status) As %Net.Remote.Gateway
+{
+	set gateway = ""
+	set sc = ##class(%Net.Remote.Service).OpenGateway(gatewayName, .gatewayConfig)
+	quit:$$$ISERR(sc) gateway
+	set sc = ##class(%Net.Remote.Service).ConnectGateway(gatewayConfig, .gateway, path, $$$YES)
+	quit gateway
+}
+
+/// set stream = ##class(isc.barcode.Utils).createQRCode("test.png", "Hi, world!", 240, "png")
+/// w ##class(isc.barcode.Utils).createQRCode()
+ClassMethod createQRCode(fileName As %String, qrCodeText As %String, fileSize As %String, fileType As %String, debug As %Boolean = {$$$YES}) As %GlobalBinaryStream
+{
+    #dim gateway as %Net.Remote.Gateway
+    #dim exception as %Exception.AbstractException
+    set sc = $$$OK
+
+#; for test 
+#;    set fileName = "C:\java\test.png"
+#;    set qrCodeText = "hi"
+#;    set fileSize = 240
+#;    set fileType = "png"
+    
+    try {
+        set gateway = ..Connect()
+        set start = $zh
+        
+        set reader = ##class(isc.barcode).%New(gateway)
+        
+        set end1 = $zh
+        
+        set qrCodeStream = reader.generateQRCode(fileName,qrCodeText,fileSize,fileType) 
+
+#; for test 
+#;        set file1 = ##class(%FileBinaryStream).%New()
+#;        set file1.Filename = "C:\java\test2.png"
+#;        w file1.CopyFromAndSave(qrCodeStream),!
+       
+		set end2 = $zh
+		
+		if debug {
+			write !,"Init: ",end1-start
+			write !,"Reader: ",end2-end1, !
+			zw barcodes
+		}
+
+        set sc = gateway.%Disconnect()
+
+    } catch ex {
+	    break:debug
+        set sc = $$$ADDSC(ex.AsStatus(), $g(%objlasterror))
+    }
+
+    quit qrCodeStream
+}
+
+/// Get barcode
+/// Write $System.Status.GetErrorText(##class(isc.barcode.Utils).getBarCode())
+ClassMethod getBarCode(file As %String, debug As %Boolean = {$$$YES}) As %Status
+{
+    #dim gateway as %Net.Remote.Gateway
+    #dim exception as %Exception.AbstractException
+
+    set sc = $$$OK
+    try {
+        set gateway = ..Connect()
+        set start = $zh
+        
+        set reader = ##class(isc.barcode).%New(gateway)
+        
+        set end1 = $zh
+        set barcodes = reader.readBarCode(file) 
+		set end2 = $zh
+		
+		if debug {
+			write !,"Init: ",end1-start
+			write !,"Reader: ",end2-end1, !
+			zw barcodes
+	        //break
+		}
+
+        set sc = gateway.%Disconnect()
+
+    } catch ex {
+	    break:debug
+        set sc = $$$ADDSC(ex.AsStatus(), $g(%objlasterror))
+    }
+
+    quit sc
+}
+
+}
+