gradle versions of dependency documentation?

[Baron Fujimoto]

I'm working on upgrading our old cas 5.x to a current 6.3 version. For our old cas, we used maven and pom.xml for the war overlay and dependencies. Apparently that's been deprecated in favor of gradle, but it looks like the documentation still uses XML. For example:

<https://apereo.github.io/cas/6.3.x/installation/LDAP-Authentication.html>

I think it's equivalent should now go in the dependencies block of build.gradle, but it's not clear how to specify the gradle version of this dependency there based on that documentation.

Based on this blog post, <https://apereo.github.io/2019/11/03/cas62-gettingstarted-overlay/>, it looks like:

compile "org.apereo.cas:cas-server-support-ldap:${casServerVersion}"

Does this format generally hold true for translating such dependencies? I.e.:

compile ${groupId}:${artifactId}:${casServerVersion}

FWIW, I'm finding it challenging to use the CAS documentation as a starting point for these tasks, since many things don't seem to be included (e.g., without that blog post, I wouldn't have known about running "gradlew clean" to set gradle up, or even about gradlew itself, for that matter). Unless I missed it, I don't see any clear connection between these necessary steps.

--

Baron Fujimoto <ba...@hawaii.edu> :: UH Information Technology Services
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[Mike Osterman]

Hi Baron,

I too am working on 5.x to 6.3.x and have been getting help from Unicon.

While I'm not sure if "compile" works, here's what I picked up from working with them. Here are our dependencies:

implementation "org.apereo.cas:cas-server-webapp-init:${casServerVersion}"

implementation "org.apereo.cas:cas-server-support-json-service-registry:${project.'cas.version'}"
implementation "org.apereo.cas:cas-server-support-ldap:${project.'cas.version'}"
implementation "org.apereo.cas:cas-server-support-duo:${project.'cas.version'}"
implementation "org.apereo.cas:cas-server-support-saml-idp:${project.'cas.version'}"
implementation "org.apereo.cas:cas-server-support-saml:${project.'cas.version'}"

You can see where this starts in the base 6.3 build.gradle here on line 84: 

https://github.com/apereo/cas-overlay-template/blob/6.3/build.gradle

It looks like a lot of this is covered in the README.md at the root of the project:

https://github.com/apereo/cas-overlay-template/tree/6.3

Check out the "Adding Modules" section, which suggests:

dependencies {
    implementation "org.apereo.cas:cas-server-some-module:${project.casVersion}"
    ...
}

I'm not sure where the ${project.'cas.version'} syntax (slightly different from above) comes from, but it has been working for our build.

Good luck!

Mike

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[Andy Ng]

Hi Baron,

Agreed with Mike, as for compile v.s. implementation, for the use case of CAS build.gradle, you should use implementation. 

See: https://stackoverflow.com/questions/44493378/whats-the-difference-between-implementation-and-compile-in-gradle

Cheers!

- Andy

[Baron Fujimoto]

Mahalo for the pointers! I guess I am conditioned to seek answers in the wiki documentation first. I'll have to train myself to also consult the README.md as well (though there still seems to be a gap between the two).

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