Javaone - Gradle: Harder, Better, Stronger, Faster
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Javaone - Gradle: Harder, Better, Stronger, Faster
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Javaone - Gradle: Harder, Better, Stronger, Faster
- 1. HARDER, BETTER, STRONGER, FASTER ANDRES ALMIRAY IX-CHEL RUIZ @AALMIRAY @IXCHELRUIZ
- 4. WHAT
- 5. Gradle is a build tool designed to take advantage of conventions over (not instead) configuration, while staying flexible enough to be customized to the needs of a particular project. In other words, the build tool bends to the project’s will, not the other way around.
- 6. Follows the Maven conventions. Expressive : Prefers a DSL for describing what needs to be done. Extensible : Has a growing an thriving plugin ecosystem. Productive : Fosters fast and reproducible builds. Convenient : It’s CI friendly (gradle wrapper).
- 7. WHY
- 11. Caching of task input and outputs Richer, configurable lifecycle The Gradle deamon The Gradle wrapper Multi-project builds are hassle free Plugin development is more intuitive Better documentation overall
- 12. HOW
- 13. $ curl -s get.gvmtool.net | bash $ gvm install gradle
- 14. .! ├── build.gradle! ├── pom.xml! └── src! ├── main! │ └── java! │ └── sample! │ └── Foo.java! └── test! └── java! └── sample! └── FooTest.java!
- 15. <project xmlns="http://maven.apache.org/POM/4.0.0"! xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"! xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">! <modelVersion>4.0.0</modelVersion>! <groupId>com.acme</groupId>! <artifactId>sample</artifactId>! <packaging>jar</packaging>! <version>0.0.0-SNAPSHOT</version>! ! <dependencies>! <dependency>! <groupId>junit</groupId>! <artifactId>junit</artifactId>! <version>4.11</version>! <scope>test</scope>! </dependency>! </dependencies>! </project>!
- 16. apply plugin: 'java'! apply plugin: 'maven-publish'! ! version = '0.0.0-SNAPSHOT'! group = 'com.acme'! ! repositories {! jcenter()! }! ! dependencies {! testCompile 'junit:junit:4.11'! }!
- 17. SCENARIOS
- 18. ü Executable/Launchable application ü Executable fat jar ü Installable application
- 20. <project ...>! <build>! <plugins>! <plugin>! <groupId>org.codehaus.mojo</groupId>! <artifactId>exec-maven-plugin</artifactId>! <version>1.2.1</version>! <configuration>! <mainClass>sample.Foo</mainClass>! </configuration>! </plugin>! </plugins>! </build>! </project>! $ mvn compile exec:java
- 21. apply plugin: 'java'! apply plugin: 'application'! ! mainClassName = 'sample.Foo'! $ gradle run
- 23. <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-shade-plugin</artifactId> <version>2.3</version> <configuration> <transformers> <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer"> <manifestEntries> <Main-Class>sample.Foo</Main-Class> </manifestEntries> </transformer> </transformers> </configuration> </plugin> <plugins> $ mvn package –DskipTests=true
- 24. plugins {! id 'com.github.johnrengelman.shadow' version '1.1.2'! }! ! apply plugin: 'java'! apply plugin: 'application'! ! mainClassName = 'sample.Foo'! ! repositories { jcenter() }! ! dependencies { compile 'commons-lang:commons-lang:2.6' }! $ gradle shadowJar
- 25. Installable application .! ├── bin! │ ├── sample! │ └── sample.bat! └── lib! ├── commons-lang-2.6.jar! └── sample-0.0.0-SNAPSHOT.jar!
- 26. 1. Add assembly plugin! 2. Create assembly descriptor! 1. Dist option for building the directory structure! 2. Zip option for packing all in a single file! 3. Create launch scripts (for all target platforms!)! 4. Might require custom profiles! OR configure the appassembler plugin!
- 27. apply plugin: 'java'! apply plugin: 'application’! mainClassName = 'sample.Foo'! ! repositories {! jcenter()! }! ! dependencies {! compile 'commons-lang:commons-lang:2.6'! }! $ gradle distZip
- 28. BUT WAIT, THERE’S MORE
- 29. $ gvm install lazybones $ lazybones create gradle-quickstart sample
- 31. license versions stats bintray shadow izpack java2html git coveralls asciidoctor jbake markdown livereload gretty Nexus watch wuff spawn
- 32. THANK YOU! HTTP://PEOPLE.CANOO.COM/SHARE Andres Almiray Ix-chel Ruiz @aalmiray @ixchelruiz