Integrating CFML with ASP.NET Vince Bonfanti President New Atlanta Communications, LLC.
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Transcript of Integrating CFML with ASP.NET Vince Bonfanti President New Atlanta Communications, LLC.
Integrating CFML with ASP.NET
Vince BonfantiPresident
New Atlanta Communications, LLC
Introduction
• Vince Bonfanti
• President and co-founder of New Atlanta– ServletExec, Java Servlet/JSP engine (1997)
– JTurbo, JDBC driver for MS SQL Server (1998)
– BlueDragon, CFML/JSP server (2002)• Soon to be .NET-based
• [email protected]– Mention CFUN on subject or message body
Topics
• What is the .NET Framework?– compare/contrast to Java
• What is ASP.NET?
• What is BlueDragon for .NET?
• How do we integrate CFML pages into ASP.NET web applications?
• Why deploy CFML on .NET servers?
.NET Framework Overview
• The new way to program on Windows, replacing C/C++ and Visual Basic
• Installed as a standard component of Windows 2003 Server, can be installed on Window NT/2000/XP
• Primarily useful for server-based applications, can also be used for client (desktop)
.NET Framework Goals
• Object-oriented, type-safe, garbage-collected, secure, etc.– Increases programmer productivity and
improves application reliability, especially for complex server-based enterprise applications
• Similar goals as Java (without write-once-run-anywhere)– Similar methods to achieve those goals
.NET Framework Components
• Common Language Runtime (CLR)– like Java Virtual Machine (VM)
• Microsoft Intermediate Language (IL)– like Java byte code– .dll (assemblies) or .exe versus .class or .jar
• .NET Framework Class Libraries (FCL)– like Java class libraries
• Multiple programming languages– C#, Visual Basic.NET, Managed C++, J#
.NET versus Java
C# VB.NET J#…
IL (CLR)
Windows
Windows Solaris Linux…
byte code (VM)
Java
WebLogic WebSphere JRun…
• single platform• single vendor• higher platform integration• lower complexity• lower cost • multi-platform, multi-vendor
• lower platform integration• higher complexity, higher cost
ASP.NET Overview
• The way to write web applications and web services in .NET
• Can use any .NET programming language
• Only runs on Microsoft IIS web server• Pages are compiled (like JSP)• Unique concepts
– Event-driven versus top-to-bottom execution– Code-behind files to separate logic from UI– Controls are the key component technology
ASP.NET Web Applications
• An IIS web site or virtual directory• .aspx web pages or .asmx web services• Optional components
– One global.asax file (like Application.cfm)– One or more web.config configuration files
• Inherits from machine.config
– User controls in .ascx files– A /bin directory for assemblies (also GAC)
• HttpHandlers and HttpModules
– Web content files (.htm, .css, .gif, etc.)
ASP.NET Demo
• Simple web page (hello.aspx)
• Simple web server (hello.asmx)
• Control and event handling (declarative.aspx)
• Control and event handling (codebehind.aspx, codebehind.vb)
hello.aspx<%@ Page Language="vb" %><html><head>
<title>Simple ASP.NET Page</title><script runat="server">Sub SayHello()
Response.Write( "Hello, World!" )End Sub</script>
</head><body><% SayHello %></body></html>
hello.asmx<%@ WebService Language="vb" Class="Hello" %>
Imports SystemImports System.Web.Services
Public Class Hello : Inherits WebService<WebMethod()> Public Function SayHello() As String
Return( "Hello, World!" )End Function
End Class
declarative.aspx<%@ Page Language="vb" %><html><head>
<title>ASP.NET Declarative Example</title><script runat="server">Sub Page_Load( Sender As Object, e As EventArgs )
Message.Text = "Hello, World!"End Sub</script>
</head><body><form runat="server">
<asp:Label id="Message" runat="server"/></form></body></html>
codebehind.aspx
<%@ Page Language="vb" Src="codebehind.vb"
Inherits="example.CodeBehind" %><html><head>
<title>ASP.NET CodeBehind Example</title></head><body><form runat="server">
<asp:Label id="Message" runat="server"/></form></body></html>
codebehind.vbImports SystemImports System.WebImports System.Web.UIImports System.Web.UI.WebControls
Namespace example
Public Class CodeBehind : Inherits Page
Protected Message As Label
Protected Sub Page_Load( Sender As Object, e As EventArgs ) Message.Text = "Hello, World!" End Sub
End Class
End Namespace
web.config
• Used to configure ASP.NET applications– Application initialization parameters– Authentication and authorization– Compilation defaults– Session data storage– Debug and trace settings
• Can be multiple web.config files– One per directory, inherit from parents– All inherit from machine.config
web.config<?xml version="1.0" encoding="utf-8" ?><configuration> <system.web> <compilation defaultLanguage="vb" debug="false"/>
<sessionState mode="InProc“ stateConnectionString="tcpip=127.0.0.1:42424" sqlConnectionString="data source=127.0.0.1;user id=sa;password=" cookieless="false" timeout="20" />
<httpHandlers> <add verb="*" path="*.cfm" type="com.newatlanta.bluedragon.HttpHandler,BlueDragon"/> </httpHandlers> </system.web></configuration>
HttpHandler
• Custom (user-defined) components (.NET objects) that process HTTP requests
• Can be written in any .NET language
• Requests are mapped to HttpHandlers via directives in web.config
• .aspx pages are compiled to HttpHandlers
• HttpHandlers are like Java servlets– JSP pages are compiled to Java servlets
HttpHandler Example
using System.Web;
namespace Example{
public class HelloHttpHandler : IHttpHandler{
public void ProcessRequest( HttpContext context )
{ context.Response.Write( “Hello, World!” );}
}}
BlueDragon for .NET
• BlueDragon.NET is a CFML runtime that is implemented as an HttpHandler
• The BlueDragon.dll assembly can be placed either in the ASP.NET application /bin directory, or the GAC
• Configured via web.config or machine.config to route *.cfm page requests to BlueDragon.dll
Integrating CFML into ASP.NET
• Use BlueDragon.NET to deploy CFML pages in ASP.NET web applications, side-by-side with .aspx pages and .asmx web services
• Share Application, Session, and Request scope variables
• Use CFOBJECT to access .NET objects– Use ASP.NET controls in CFML pages
• Write CFX tags in any .NET language
BlueDragon.NET Demo
• BlueDragon.NET configuration
• Hello.cfm
• BlueDragon admin console
• ASP.NET calendar control
Why CFML on .NET?
• Performance– .NET CLR versus Java VM– ADO.NET versus JDBC
• Scalability: take advantage of Windows 2003 Server clustering
• Native Windows platform integration– Fast, reliable COM integration
• Migration to ASP.NET• Another platform alternative for ISVs
