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Re: [tycho-user] I need help with third party Maven repos 
Note that with the wrapper bundle technique you do not need to install anything into your local repository. Everything works from within the workspace.

On Mar 24, 2015, at 12:23 PM, Jeff MAURY <jeffmaury@xxxxxxxxxxxxx> wrote:

> The trick is that the first project is almost a traditional Maven Java project with the exception that the OSGI metadata is generated. Thist first project is then installed in your local Maven repo.
> This project will be refererenced by the second one with is an Eclipse/Tycho project so Tycho will be able to resolve the dependency through the local Maven repo. But it works because the OSGI metada is present in the first project artificats.
> 
> Jeff
> 
> On Tue, Mar 24, 2015 at 2:24 PM, M. Cs. <mohareve@xxxxxxxxx> wrote:
> I took a look inside linked project. Am I right that the concept would be creation of a local Maven project, which could be seen by the RCP project, and wrapping the required distant objects into local ones? In that way, the RCP could reach the local Maven project, which could reach the distant classes through Maven. That local Maven would bridge the gap between local RCP and Maven-repo. Is this correct?
> 
> Csaba
> 
> 2015-03-23 21:25 GMT+01:00 Jeff MAURY <jeffmaury@xxxxxxxxxxxxx>:
> Hello,
> 
> no it just means that if the dependency you use from the Maven repo is not OSGI compliant (no package exports for example) then Tycho resolution will fails.
> See https://wiki.eclipse.org/Tycho/How_Tos/Dependency_on_pom-first_artifacts from POM declared dependencies.
> 
> Regards
> Jeff
> 
> On Mon, Mar 23, 2015 at 7:38 PM, M. Cs. <mohareve@xxxxxxxxx> wrote:
> Hello Jeff and thank you for the reply!
> Indeed I need to declare dependencies, but after days of search I'm lost in details. Could you provide me with information on how to declare these dependencies, and in which pom.xml, since I have a lot of them: for each plugin, for the feature, for the main app, and I have for aggregate.... A concrete solution would help a lot. For the second part:
> " if your artifacts from your Maven repo are not OSGI compliant, then it is likely that Tycho resolution will fail", does that mean that I will not be able to use the packages from Maven-repo, except if I download them manually, then turn into plugins?
> 
> What is the Tycho good for then? If I had an isolated RCP4 application with all the plugins written in RCP, why would I need Maven at all, after all I could do the export from inside the Eclipse IDE? I am not really familiar with Maven, but I am forced to use it.
> 
> Thank you for the answer!
> 
> Csaba
> 
> 2015-03-23 16:29 GMT+01:00 Jeff MAURY <jeffmaury@xxxxxxxxxxxxx>:
> First, you need to declare Tycho to consider dependencies declared in POM in addition to the ones in MANIFEST.MF.
> Second, it is likely that if your artifacts from your Maven repo are not OSGI compliant, then it is likely that Tycho resolution will fail.
> 
> Regards
> Jeff
> 
> On Mon, Mar 23, 2015 at 2:29 PM, M. Cs. <mohareve@xxxxxxxxx> wrote:
> Hello!
> First: I have a defined Maven repo in my .m2/settings.xml
> 
> <repository>
>                     <id>artifactory-stable-repository</id>
>                     <url>http://myplace.com/build-stable</url>
>                     <releases>
>                         <enabled>true</enabled>
>                     </releases>
>                     <snapshots>
>                         <enabled>false</enabled>
>                     </snapshots>
>                 </repository>
> 
> These are non-OSGi Maven-projects with POJOs I need to include into my RCP.
> 
> I have created an RCP4 project with features and plugins, and I did convert them into maven project using Lars Vogel's tutorial:
> http://www.vogella.com/tutorials/EclipseTycho/article.html
> 
> I did successfully build packages, but in a real-world app, I will need those packages provided by the online Maven-repo.
> I have tried to include them into the pom.xml of main application, where I intend to use the as:
> 
> <dependencies>
>             <dependency>
>                 <groupId>com.mcs.app</groupId>
>                 <artifactId>my-third-party</artifactId>
>                 <version>2.9</version>
>             </dependency>
> </dependencies>
> 
> 
> But if I try to import a class MyClass.java from the my-third-party, it is not resolvable.
> I really need to solve this issue, because there's no point of writing RCP application, without access to the legacy codes.
> I would really appreciate some detailed solution. I have goggled a lot of examples over the internet, but non of them is right one for my case. Thank you!
> 
> Csaba
> 
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> 
> 
> -- 
> Jeff MAURY
> 
> 
> "Legacy code" often differs from its suggested alternative by actually working and scaling.
>  - Bjarne Stroustrup
> 
> http://www.jeffmaury.com
> http://riadiscuss.jeffmaury.com
> http://www.twitter.com/jeffmaury
> 
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> 
> 
> -- 
> Jeff MAURY
> 
> 
> "Legacy code" often differs from its suggested alternative by actually working and scaling.
>  - Bjarne Stroustrup
> 
> http://www.jeffmaury.com
> http://riadiscuss.jeffmaury.com
> http://www.twitter.com/jeffmaury
> 
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> 
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> 
> 
> 
> -- 
> Jeff MAURY
> 
> 
> "Legacy code" often differs from its suggested alternative by actually working and scaling.
>  - Bjarne Stroustrup
> 
> http://www.jeffmaury.com
> http://riadiscuss.jeffmaury.com
> http://www.twitter.com/jeffmaury
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Thanks,

Jason

----------------------------------------------------------
Jason van Zyl
Founder, Takari and Apache Maven
http://twitter.com/jvanzyl
http://twitter.com/takari_io
---------------------------------------------------------

Three people can keep a secret provided two of them are dead.

 -- Benjamin Franklin

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