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2005 JavaOne SM Conference | Session BOF-9161 Exploring Annotation-Based Programming through the APT and Mirror APIs Tim Wagner, Senior Manager Gary Horen,

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Presentation on theme: "2005 JavaOne SM Conference | Session BOF-9161 Exploring Annotation-Based Programming through the APT and Mirror APIs Tim Wagner, Senior Manager Gary Horen,"— Presentation transcript:

1 2005 JavaOne SM Conference | Session BOF-9161 Exploring Annotation-Based Programming through the APT and Mirror APIs Tim Wagner, Senior Manager Gary Horen, Program Manager BEA Systems, Inc. BOF-9161

2 2005 JavaOne SM Conference | Session BOF-9161 | 2 Agenda Why apt/mirror in Eclipse? Feature overview Technical details Future plans Q&A

3 2005 JavaOne SM Conference | Session BOF-9161 | 3 Why apt/mirror in Eclipse? Want high-fidelity IDE support for annotations… …but don’t want to reinvent the wheel Wouldn’t it be great if existing apt processors could run inside Eclipse?

4 2005 JavaOne SM Conference | Session BOF-9161 | 4 Feature Overview Eclipse 3.1 plugin that… Runs apt processors interactively inside Eclipse Diagnostic integration  “red squiggles” Build integration (including problem view) Generated types behave as you’d expect APT factories can be loaded as plugins or jars UI to configure APT options

5 2005 JavaOne SM Conference | Session BOF-9161 | 5 Technical Details Implementation of 1.5 JDK mirror APIs over the Eclipse type system (via wrappers) Processors executed during compilation Separate passes: reconcile (interactive) and build Replicates apt semantics (fixed point iteration, “claim” model) Factory discovery Jars containing factories or Eclipse plugins Preference UI supports enabling, ordering of jars

6 2005 JavaOne SM Conference | Session BOF-9161 | 6 Future Plans Support for enhanced IDE functionality Content assist (code completion) in annotation values Quick fix Integration with property view ● Type-specific editors ● Propose new annotations/annotation values Search and refactoring over annotation values Wizards for creating annotation processor factories and plugins Adopt JSR 269

7 2005 JavaOne SM Conference | Session BOF-9161 | 7 Release Dates Preview Summer ’05 (i.e., soon!) Branch of JDT 3.1, based on GA version (new component + minor JDT API enhancements) Based on open source (yay!) apt/mirror interfaces in the 1.5 JDK Eclipse Platform 3.2 Summer ’06 Standard part of JDT – will reach all Eclipse users Ideally JSR 269-compliant APIs

8 2005 JavaOne SM Conference | Session BOF-9161 | 8 DEMO Sample apt processor running inside Eclipse

9 2005 JavaOne SM Conference | Session BOF-9161 | 9 Q&A


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