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Document plug-in development.

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Cedric Beust 2016-03-29 22:28:17 -08:00
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plug-in-development/index.html
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@ -45,7 +45,52 @@ If you are curious to get a quick feel for what a Kobalt plug-in looks like, I s
<a href="../ten-minutes/index.html">write and publish a plug-in in ten minutes</a> and then you can come back here
and keep reading.
</p>
<h2 class="section" id="idea-set-up">Setting up IDEA</h2>
<p>
The simplest way to run your plug-in in your IDE is to create a main function in the main class of your
plug-in as follows:
</p>
<pre class="brush:java">
fun main(argv: Array&lt;String&gt;) {
com.beust.kobalt.main(argv)
}
</pre>
<p>
In order for this code to compile, you will have to switch the dependency of your plug-in from
<code>kobalt-plugin-api</code> to just <code>kobalt</code>, which is the actual application (and which
therefore contains the <code>main()</code> entry point).
</p>
<pre class="brush:java">
// Normal dependency
compile("com.beust:kobalt-plugin-api:$KOBALT_VERSION")
// Development dependency
compile("com.beust:kobalt:$KOBALT_VERSION")
</pre>
<p>
You might find it convenient to leverage Kobalt's ability to use regular Kotlin variables to make things easier:
</p>
<pre class="brush:java">
val dev = false
val kobaltDependency = if (dev) "kobalt" else "kobalt-plugin-api"
val p = project {
// ...
compile("com.beust:$kobaltDependency:$KOBALT_VERSION")
}
</pre>
<p>
Then you can simply set the <code>dev</code> to <code>true</code> during development and back to <code>false
</code> when you are ready to publish your plug-in.
</code>
</p>
<p>
Then resync your build file in IDEA and your <code>main()</code> function should now build and be launchable.
You can right click on that class file and select "Debug &lt;your class name&gt;", which will launch Kobalt
with your plug-in. You can set a breakpoint in one of your tasks or anywhere that gets invoked. Don't forget
to invoke this launch configuration with the regular parameters passed to Kobalt (e.g. <code>"assemble"</code>).
</p>
<h2 class="section" id="philosophy">Plug-in architecture</h3>
<p>
<p>