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-.kt

Amending my previous question: rather, what is the best method to get all Java files within a project's sourceset? I'm trying to follow the Maven Publish plugin documentation, but having some difficulties since I'm using an older verison of gradle and the examples are in groovy.

```task sourcesJar(type: Jar) {
    from sourceSets.main.allJava
    classifier = 'sources'
}

task javadocJar(type: Jar) {
    from javadoc
    classifier = 'javadoc'
}```

This is what the documentation says to do for Groovy

Take a look at this: <https://docs.gradle.org/current/userguide/userguide_single.html#publishing_maven:complete_example>

backporting it to 4.10.3 we get this:
```
tasks.register&lt;Jar&gt;("sourcesJar") {
    from(sourceSets["main"].allJava)
    classifier = "sources"
}

tasks.register&lt;Jar&gt;("javadocJar") {
    from(tasks["javadoc"])
    classifier = "javadoc"
}
```
Note, I omitted the `project(":core")` here to be able to quickly test if it works on my machine (it does).

Thank you for the example, it does work! I just realise now that this is not actually what I need I'm pretty sure.. since my project uses Kotlin and not Java files.. :weary: All of my Jars are under the `lib` folder generated by the `jar` task.

Thank you for the example! This does work when I run without a project specified but gives me this error: `Extension with name 'sourceSets' does not exist. Currently registered extension names: [ext]` 

I'm not even sure I need to do it this way since my project is all Kotlin files and the Jars are stored in `build/libs` folder :weary:

Here you go
```
tasks {
	// other stuff you probably have in tasks {}

	register&lt;Jar&gt;("sourcesJar") {
		from(kotlin.sourceSets["main"].kotlin)
		classifier = "sources"
	}

	register&lt;Jar&gt;("javadocJar") {
		from(tasks["dokka"])
		classifier = "javadoc"
	}

	named&lt;DokkaTask&gt;("dokka") {
		outputFormat = "javadoc"
		outputDirectory = "$buildDir/javadoc"
	}
}
```

you will of course need dokka plugin:
```
plugins {
    // other plugins
    id("org.jetbrains.dokka") version "0.9.17"
}
```

I will check this out as soon as my wifi returns so I can import Dokka. Thanks so much! I am woefully out of my depth with this buildscript

Yup, I was the same when I started tinkering, but at some point it just clicks and you start to understand logic behind it, then it's quite intuitive.

oh, by the way I'm assuming your script is *.gradle.kts, so my code is in kotlin-dsl, not groovy :slightly_smiling_face:

Yes it is! Another issue with me looking at the Gradle docs for 4.10.2, all in Groovy :disappointed:

yeah, 5.2.1 is a huge improvement, both in terms of the API and documentation.

<@U0CP8EBRV> the above code does work nicely. Thanks again!