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Java Content Assist in a Wizard [message #1065240]

Tue, 25 June 2013 01:50

Todd Schiller

Messages: 3
Registered: June 2013
Location: Seattle

Junior Member

Is there a way to use any of the built-in Java Content Assist APIs for a SourceViewer that isn't backed by a java project (e.g., a code snippet viewer in a Wizard)?

To give some context, the code specified in the SourceViewer is compiled using the javax compiler API (in memory) and is then loaded and called by the plug-in I am writing.

I'd like to avoid maintaining a dummy Java Project on disk; the user-supplied code can refer to Eclipse types (e.g., IResources) and plug-in defined types, so maintaining a project would involve maintaining the class path.

Any ideas/comments/questions would be greatly appreciated.

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Re: Java Content Assist in a Wizard [message #1065464 is a reply to message #1065240]

Tue, 25 June 2013 19:39

Stephan Herrmann

Messages: 1853
Registered: July 2009

Senior Member

This is not just about API, already the internal CompletionEngine uses an IJavaProject - not for everything, but already the few usages would be difficult to work around. Additionally, a JavaSearchNameEnvironment is needed.

So if maintaining a classpath is what you try to avoid (is that what you are saying?) then I wonder how you would find any types *without* a classpath?
Do you want completion to search the entire host eclipse and the entire workspace for types?

There may be workarounds, I don't know, but JDT is basically about working with java projects, it's hard for me to imagine using a lot of JDT *without* a java project. You simply need the context.

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