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Session Code: TLS330 Migrating Java Applications to the .NET Framework Andrew Jenks Program Manager Visual Studio .NET [email protected] Brian Keller Product Manager Visual J#.NET [email protected] Agenda MSJVM Situation Transition Options Transition Tools and Resources The Road to Whidbey MSJVM Situation Microsoft JVM Situation In a settlement agreement reached in January 2001 to resolve a dispute over Microsoft's distribution of its Java implementation, Sun and Microsoft agreed to limit the duration of Microsoft's use of Sun's source code and compatibility test suites to support the MSJVM until January 2004 Microsoft/Sun Extension Sun and Microsoft have agreed to extend Microsoft's license to use Sun's Java source code and compatibility test suites until September 30, 2004, and gives Microsoft the ability to address potential security issues, effectively giving customers another year to manage the transition Transition Options Transition Options Infrastructure/Desktop Custom Applications Vendor Applications No action IE trusted zone lockdown Desktop MSJVM removal Desktop thirdparty JRE replacement OS deployment No action Retire application .NET migration Other rendering technologies Third-party JRE development No action ISV product service pack or upgrade MS product service pack or upgrade Systems Engineer Developers Application Support No Action Custom Applications No action Retire Application .NET migration Other Rendering Technologies Third-party JRE development No Action •No unexpected surprises •No development effort •The MSJVM will continue to run Java applications However •The MSJVM is exposed as unsupported software Retire Application Custom Applications No action Retire Application .NET migration Other Rendering Technologies Third-party JRE development Retire Application •Requires that there is no longer a need for the application .NET Migration Custom Applications No action Retire Application .NET migration Other Rendering Technologies Third-party JRE development .NET Migration •Supported development platform •Leverages new technologies •Same vendor support with conversion tools However •Re-engineering effort •Development Team and readiness for .NET Other Rendering Technologies Custom Applications No action Retire Application .NET migration Other Rendering Technologies Third-party JRE development Other Rendering Technologies •DHTML, ASP, Flash, etc. •Well suited for visual web presentation However •Re-engineering effort •Development Team and readiness for other technologies •Potential new vendor support Third-Party JRE Development Custom Applications No action Retire Application .NET migration Other Rendering Technologies Third-party JRE development Third-party JRE development •Runs Java applications However •Re-engineering effort •Development Team and readiness for third-party JRE development •New vendor platform Transition Tools and Resources Transition Tools Infrastructure Group Policy settings for IE lockdown with trusted zones MSJVM removal tool SMS and SUS for deployment and upgrades Systems Engineer Custom Applications Diagnostic Tool for the Microsoft VM .NET migration Visual C# - Java Language Conversion Assistant (JLCA) Visual J# - J# Browser Controls Training webcasts on tool usage Developers Vendor Applications ISV product transition inventory MS product transition inventory Application Support Diagnostic Tool for the Microsoft VM Helps developers and IT pros determine the extent of their reliance on the MSJVM Search local or distributed machines for Instances of the MSJVM EXEs, DLLs, and OCXs which link to the MSJVM Class files Uses of the Microsoft extensions for the Java language (JavaCOM, J/Direct, etc.) Web files and URLs with applet tags or Object or Embed tags which point to the MSJVM Beta available in early November ‘03 Diagnostic Tool for the Microsoft VM Java Language Conversion Assistant Convert Java language and API calls to C# and the .NET Framework Helps developers move; does not move for developers Fastest way to move Java application to C# Easiest way to take advantage of new features of the .NET Framework Additional MSJVM-specific features in JLCA 2.0 Converting Applets with JLCA Visual J# .NET Brings the Java language syntax to the .NET framework Maintains the simplicity and familiarity of the Java language Supports most of the JDK functionality and MS Extensions found in J++ Can fully target the .NET Framework Carry forward existing skills and code investments J# Browser Controls Provides migration path for applet source code to J# Requires little or no source code modification Available for download today! http://msdn.microsoft.com/vjsharp/ browsercontrols Send feedback to [email protected] J++ Upgrade Wizard and J# Browser Controls Transition Aids and Services Infrastructure Custom Applications Vendor Applications Microsoft MSJVM Transition Guide Business Technology Reviews to assist in identifying dependencies and migration options Free PSS incident support for transition tools and MSJVM migration to .NET Case Study examples on migration Supported public newsgroups Prepared Service Consultants and Partners Additional information on http://www.microsoft.com/Java MSJVM Transition Guide Walks developers and IT pros through all stages transition Assessing your situation Analyzing your results Locking down now Migrating to .NET Rewriting using other rendering technologies Moving to another JRE www.microsoft.com/java Summary Awareness – review the available materials at http://www.microsoft.com/Java Assess – determine your reliance on the MSJVM Planning – find the best solution(s) that meet your company’s requirements Transition – begin the process sooner rather than later Road to “Whidbey” J# “Whidbey” J# Browser Controls integrated into runtime Swing functionality integrated into runtime APTC enabled Full CLS Extender Author enum types Author value types CLSCompliant attribute Support for strictfp and volatile JLCA 2.0 – JSP and Servlets Huge community request to offer JSP and Servlet migration Support present in JLCA 2.0 JSP pages converted to ASP.NET inline code files Servlets converted to code-behind solutions Conversion success nearly 90% JSP to ASP.NET Conversion Guide The guide contains Guidance on how to use the JLCA Video presentations White Papers Sample code The guide was built around a single case study www.codenotes.com A Random House website A Conversion Case Study The website (www.codenotes.com) Random House's Developer Portal Built in support of the CodeNotes® book series The Conversion Entire website migrated to ASP.NET Before and after code is available Detailed presentations and white papers in guide JLCA 3.0 In development now Adds support for J2EE 1.3 JDK 1.3 Extensibility of the JLCA Beta available early 2004 Currently seeking EAP customers interested in evaluating early builds JLCA 3.0: Swing Conversion PDC Resources Product Pavilion Java and .NET: Migration and Interop Ask the Experts Tuesday, Oct. 28th 6:30-9PM, Halls F&G Hands-On Labs Party Wednesday, Oct. 29th 7:30PM, Universal Studios Resources JLCA 2.0 http://msdn.microsoft.com/vstudio/ downloads/tools/jlca/default.aspx Visual J# and J# Browser Controls http://msdn.microsoft.com/vjsharp http://msdn.microsoft.com/vjsharp/ browsercontrols MSJVM Transition Guide http://www.microsoft.com/java JSP to ASP.NET Migration Guide http://msdn.microsoft.com/asp.net/using/mi grating/jspmig/default.aspx © 2003-2004 Microsoft Corporation. All rights reserved. This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.
