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dependency injection in Xtext source code [message #1017032]

Fri, 08 March 2013 17:14

e r

Messages: 4
Registered: March 2013

Junior Member

Hello,

In the classes org.eclipse.xtext.xtext.ui.wizard.project.XtextProjectCreator and org.eclipse.xtext.ui.wizard.AbstractProjectCreator of the source code of Xtext, the three following fields are instantiated using dependency injection:

@Inject
@Named("file.extensions")
private String fileExtension;

@Inject
private Provider<PluginProjectFactory> projectFactoryProvider;

@Inject
private Provider<FeatureProjectFactory> featureProjFactoryProvider;

What are the classes in the source code of Xtext that specifies how to instantiate these three fields? I think that these classes should implement "com.google.inject.Module" or inherit from another class that implements "com.google.inject.Module". However, there are so many classes in the source code of XText that I have been unable to locate these classes.

Any help would be appreciated.

Thanks in advance for any answer.

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Re: dependency injection in Xtext source code [message #1017050 is a reply to message #1017032]

Fri, 08 March 2013 18:36

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

Hi,

entrypoint for guice are: the activator in the ui project and the standalonesetup in the runtime project
they make use of yourdslruntimemodule and yourdsluimodule (and other modules)
have a look at
http://www.eclipse.org/Xtext/documentation.html#dependencyInjection
http://koehnlein.blogspot.de/2012/11/xtext-tip-how-do-i-get-guice-injector.html

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de

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Re: dependency injection in Xtext source code [message #1017330 is a reply to message #1017050]

Mon, 11 March 2013 15:45

e r

Messages: 4
Registered: March 2013

Junior Member

Thanks, your answer helped me to find what I was looking for.

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