The English version

1. Gradle
Evgeny Borisov

2. Good to be programmer…

4. You start crooked, everything is crooked

5. What are the tasks of build today?
• VCS
• CI scripts & different xml configurations
• Dependency management
• Deployment (clustering)
• Unit and sanity Tests
• Documentation
• …

6. Grandson will not come
today, he sent mail that
the build failed.

7. Which build tools do you know?

8. I use…
1. Gradle
2. Maven
3. Ant
4. Ivy
5. I build with my hands…

9. Declarative & Imperative

10. Declarative & Imperative
• ANT – Imperative
• Maven - Declarative Not really

11. Maven
<build>
</build>

12. We Love you, XML

13. <build>
</build>

14. We also have two problems…
• XML - yes, DSL- no

15. Who will be today’s Chuck Norris?

17. Why Gradle?
• Not adopted to specific type project
• Powerful DSL, which can be extended easily
• Groovy
• Effective build
– Tasks can run in parallel
– Incremental build

18. One doesn’t simply talk.
Lets build some project.

20. Where is my
print???
test {
testLogging.showStandardStreams = true
}

21. Build task dependency graph

22. It’s exactly like in maven

23. Not like maven at all
• You can add
dependency to existing
task
• You can change task
behavior via it’s
properties
• You can extend tasks

24. Build task dependency graph

25. I need a war!

26. Lets write a Task
1. Class MyTask extends DefaultTask
2. Write a method @TaskAction
3. Add it to DSL
4. That is all!

27. Additional plugins
• Groovy Plugin
• The Scala Plugin
• The War Plugin
• The Ear Plugin
• The Jetty Plugin
• The Eclipse Plugin
• The IDEA Plugin
• AspectJ plugin
• ClassLoader plugin
• Exec plugin
• JavaFx Plugin
• Tomcat Plugin
• Android Plugin
• The FindBugs Plugin

28. Your own Plugin
• Why should I write my own plugin?
It’s not enough to write my own tasks?
• Extend DSL.
– We want declarative build!

29. Do you want plugin???

30. • How to write plugin:
https://bitbucket.org/davidmc24/gradle-
bintray-
plugin/src/6adc1aca5ed712b8802fe6b3830b2d
860d9fda88/Bintray.gradle?at=default
• Adding plugin:
buildscript: apply from: 'gradle/Bintray.gradle'
• Usage:
repositories { bintray.jcenter() }

31. I can’t get out of here
I deep in this
ant shit

32. You love ant?

33. Migrating from ant to gradle

34. Migrating from ant

35. I can’t migrate from maven

36. Yes you can!

37. maven2gradle plugin
1. Type this in your build.gradle :
apply plugin:’maven2Gradle’
2. Put this script near you pom
3. Run: gradle build

38. What to read?
• http://www.gradle.org/docs/current/userguid
e/userguide.html
• http://www.gradle.org/docs/current/dsl/
• http://www.gradle.org/docs/current/javadoc/

39. Q&A
• bsevgeny@gmail.com