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Erik C. Thauvin 2016-07-09 10:41:10 -07:00
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<nav id="kobalt-navbar" class="navbar navbar-default">
</nav>
<div class="col-md-9">
<h2 class="section" id="downloading">1. Download Kobalt</h2>
<h2 class="section" id="installing">1. Install Kobalt</h2>
<h3 class="section" indent="1" id="homebrew">With HomeBrew</h3>
<p>
<a href="https://github.com/cbeust/kobalt/releases/latest">Download the zip file</a> then unzip it in a location we'll call <code>KOBALT_HOME</code>:
</p>
If you are on MacOS and have <code>brew</code> installed:
<pre class="brush:plain">
cd $KOBALT_HOME
$ brew install kobalt
$ which kobaltw
/usr/local/bin/kobaltw</pre>
</p>
<h3 class="section" indent="1" id="manually">Manually</h3>
<p>
<a href="https://github.com/cbeust/kobalt/releases/latest">Download the zip file</a>, unzip it and add the <code>bin</code> directory to your <code>$PATH</code> variable so that you can invoke the command <code>kobaltw</code>:
</p>
<pre class="brush:plain">
cd yourLocation
unzip kobalt-xxx.zip
cd kobalt-xxx
export PATH=$PWD/bin:$PATH
</pre>
<p>
<em>Note: Kobalt doesn't need any environment variable to run, the environment variable used above
is only here for clarity.</em>
</p>
<h2 class="section" id="initialize">2. Initialize your project</h2>
<p>
Change to your project directory and call the <code>kobaltw</code> command with <code>--init</code>:
</p>
<h2 class="section" id="initialize">2. Initialize your project</h2>
<p>
Change to your project directory and call the <code>kobaltw</code> command with <code>--init</code>:
</p>
<pre class="brush:plain">
cd ~/java/project
$KOBALT_HOME/kobaltw --init
</pre>
<p>
This command will do two things:
</p>
<ol>
<li>Create a default <code>kobalt/src/Build.kt</code> file based on what was found in your project.
<li>Install the Kobalt Wrapper in your current directory (a script called <code>kobaltw</code>) and a few additional files in the <code>kobalt/wrapper</code> directory. From now on, you can just use <code>./kobaltw</code> to build and you can ignore <code>$KOBALT_HOME</code>.
</ol>
<p>
You can now attempt to build your project with Kobalt:
</p>
kobaltw --init java</pre>
to initialize a Java project, or
<pre class="brush:plain">
./kobaltw assemble
</pre>
If your project follows a regular build structure (e.g. <a href="https://maven.apache.org/guides/introduction/introduction-to-the-standard-directory-layout.html">Maven's hierarchy</a>), this should compile your file and create a .jar file. If not, you will have to make a few edits to your <code>Build.kt</code>.
As of this writing, Kobalt supports Java and Kotlin projects.
<h2 class="section" id="edit">3. Edit kobalt/src/Build.kt</h2>
cd ~/java/project
kobaltw --init kotlin</pre>
<p>
to initialize a Kotlin project.
</p>
<div class="bs-callout bs-callout-warning">
<h4>Note</h4>
Here is the <code>Build.kt</code> for the <a href="https://github.com/hhariri/wasabi/blob/master/kobalt/src/Build.kt">Wasabi HTTP framework</a>:
Kobalt supports projects with both Kotlin and Java sources. For such projects,
use either <code>java</code> or <code>kotlin</code> as the <code>--init</code> argument and refer to the <a href="../plug-ins/index.html#mixed-projects">mixed projects documentation</a> for more details.
</div>
<p>
This command will do two things:
</p>
<ol>
<li>Create a default <code>kobalt/src/Build.kt</code> file based on what was found in your project.</li>
<li>Install the Kobalt Wrapper in your current directory (a script called <code>kobaltw</code>) and a few additional files in the <code>kobalt/wrapper</code> directory.</li>
</ol>
<p>
From now on, you can just use <code>./kobaltw</code> to build and you can ignore the <code>kobaltw</code> on your path, which is only useful to install Kobalt on new projects. Since you will now build each project with its own <code>./kobaltw</code> command, they will use their own version of Kobalt.
</p>
<h2 class="section" id="edit">3. Edit kobalt/src/Build.kt</h2>
<p>
If your project uses a standard folder structure, you can skip this section and try to build your project directly.
</p>
<p>The build file generated by default might need some editing before you can build your project, so take a look at it and adjust whatever is necessary (e.g. package name, version, etc...)</p>
<p>
Here is the <code>Build.kt</code> for the <a href="https://github.com/cbeust/jcommander/blob/master/kobalt/src/Build.kt">JCommander project</a>:
</p>
<pre class="brush:java">
import com.beust.kobalt.*
import com.beust.kobalt.plugin.packaging.assemble
import com.beust.kobalt.plugin.kotlin.*
import com.beust.kobalt.plugin.java.*
import com.beust.kobalt.plugin.packaging.*
import com.beust.kobalt.plugin.publish.*
val kotlinVersion = "1.0.0-beta-4583"
val p = kotlinProject {
name = "wasabi"
group = "com.example"
val jcommander = project {
name = "jcommander"
group = "com.beust"
artifactId = name
version = "0.1"
version = "1.54"
// Tell Kobalt to also search here for dependencies
val repos = repos("http://oss.sonatype.org/content/repositories/snapshots")
dependencies {
compile("org.jetbrains.kotlin:kotlin-stdlib:" + kotlinVersion,
"org.jetbrains.kotlin:kotlin-reflect:" + kotlinVersion,
"io.netty:netty-all:4.0.31.Final",
"commons-codec:commons-codec:1.6",
"commons-logging:commons-logging:1.1.1",
"joda-time:joda-time:2.3")
}
// Test dependencies
dependenciesTest {
compile("junit:junit:4.9",
"org.mockito:mockito-all:1.9.5",
"org.apache.httpcomponents:httpclient:4.5.1")
compile("org.testng:testng:")
}
// Tell kobalt to produce a fat jar and also the artifacts required for Maven
assemble {
jar {
fatJar=true
name = "wasabi-fat-" + version + ".jar"
}
mavenJars{
mavenJars {
}
}
}
</pre>
<h2 class="section" id="idea-plugin">4. Sync your build file</h2>
jcenter {
publish = true
}
}</pre>
<h2 class="section" id="build">4. Build your project</h2>
<p>
If you're using Intellij IDEA, make sure you've <a href="../idea-plug-in/index.html">installed the Kobalt plugin</a> and then go to <code>Kobalt -> Sync Build File</code>. This will download dependencies in a way that IDEA understand so you no longer get errors.
You can now attempt to build your project with Kobalt:
</p>
<pre class="brush:java">
./kobaltw assemble</pre>
<h2 class="section" id="import-in-idea">5. IDEA users: Import your project in IDEA</h2>
<p>
<p>
You can now open your project in IDEA and if you have the Kobalt IDEA plug-in installed, you
will be asked whether you want to import that project as a Kobalt project.
</p>
<h2 class="section" id="idea-plugin">6. IDEA users: Sync your build file</h2>
<p>
Once your project has been imported as a Kobalt project in IDEA, bring up the Kobalt window (sideways on the
right side) and click the Sync icon, which will synchronize your build file with IDEA.
</p>
<h2 class="section" id="next-steps">5. Next steps</h2>
<h2 class="section" id="next-steps">7. Next steps</h2>
<p>
From this point, you can either <a href="../idea-plug-in/index.html">learn how to install the Kobalt IDEA plug-in</a> or read <a href="../documentation/index.html">Kobalt's documentation</a>.
</p>