Eclipse Community Forums: TMF (Xtext) » how to call or run Java class(pure java code) in the Xtend Code when generate my Xtext Project ?

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how to call or run Java class(pure java code) in the Xtend Code when generate my Xtext Project ? [message #1754722]

Tue, 21 February 2017 19:21

abdf mncr

Messages: 75
Registered: February 2017

Member

I hope you can help me i'm new user in xtext, i have xtext project , i want to call my java class ( with method main) to run it in Xtend file when generating the Xtext editor . also another case is when generating the editor Xtext in runtime eclipce , i need to run my java class when save my Xtext model is there any solution for that .

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Re: how to call or run Java class(pure java code) in the Xtend Code when generate my Xtext Project ? [message #1754723 is a reply to message #1754722]

Tue, 21 February 2017 19:24

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

Hi,

can you please be a bit more specific on what your main does and which which parmeters/contexts it should be invoked?

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

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Re: how to call or run Java class(pure java code) in the Xtend Code when generate my Xtext Project ? [message #1754724 is a reply to message #1754723]

Tue, 21 February 2017 19:32

abdf mncr

Messages: 75
Registered: February 2017

Member

I want to run java class after finishing writing my grammar in xtext ediitor ie: use Xtend Generator file to call my java class .

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Re: how to call or run Java class(pure java code) in the Xtend Code when generate my Xtext Project ? [message #1754726 is a reply to message #1754724]

Tue, 21 February 2017 19:35

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

i still dont get this.

you have opened your test.mydsl file and edit it.
then you hit save.
and then the main should be called with no params?

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

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Re: how to call or run Java class(pure java code) in the Xtend Code when generate my Xtext Project ? [message #1754728 is a reply to message #1754726]

Tue, 21 February 2017 19:47

abdf mncr

Messages: 75
Registered: February 2017

Member

The class main has diffrent parameters independent for Xtext grammar

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Re: how to call or run Java class(pure java code) in the Xtend Code when generate my Xtext Project ? [message #1754730 is a reply to message #1754728]

Tue, 21 February 2017 20:04

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

If it is on save only have a look at IXtextEditorCallback

(Implement it in yourdsl.ui and add a binding to yourdsluimodule)

def void configureMySpecialCallback(com.google.inject.Binder
binder) {
binder.bind(IXtextEditorCallback).annotatedWith(Names. named( "MySpecialCallback")).to(
MySpecialCallback);
}

If it should be called during build as well call it from your generator is the easiest one

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

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