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![#JCConf
[Default]
• gradle tasks
- List the tasks
• gradle dependencies
- Display the library dependencies.
[Java Plugin]
• gradle build
- Build the project
• gradle test
- Test the project
• gradle jar
- Generate the jar file
• gradle clean
- Clean the project.
Useful Tasks
14](https://image.slidesharecdn.com/jcconfgradle-141116072442-conversion-gate01/75/Gradle-CLI-Application-JCConf-2014-14-2048.jpg)
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Gradle起步走: 以CLI Application為例 @ JCConf 2014
This document provides an overview of Gradle, a build tool used for creating Java applications, particularly focusing on creating a simple CLI application. It covers key features such as dependency management, Groovy-based DSL for configuration, and integration with IDEs. The document additionally includes practical examples and commands for using Gradle effectively.
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Gradle起步走: 以CLI Application為例 @ JCConf 2014
- 1. #JCConf Gradle 起步⾛走: 以CLI Application 為例 陸振恩 (popcorny) popcorny@cacafly.com
- 2. #JCConf • What isGradle • Basic Concept • Build Simple CLI Application by Gradle Outline 2
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- 5. #JCConf Gradle is aBuild Tools 5
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- 8. #JCConf • Features • ‘make’in the java ecosystem • Pure java • Target dependency • Basic Components • Project (build.xml) • Target (eg. build, clean, deploy, …) • Task (javac, jar, copy, …) 8
- 9. #JCConf • Features • ProjectObject Model • Common Build Lifecycle • Convention over Configuration • Dependency Management • Basic Components • Project (pom.xml) • Lifecycle, Phase, Goal • Plugin 9
- 10. #JCConf • Features • Groovy-basedDSL (Domain Specific Language) - Not XML configuration any more • Dependency Management - Integrate Maven repository • Task Dependency - Like target dependency in ant • Plugins provide the out-of-the-box tasks - Like lifecycle in maven • Basic Components • Project (build.gradle) • Task • Plugin 10
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- 12. #JCConf build script gradle wrapper multi-projectsettings source code gradle project 12
- 13. #JCConf build.gradle Much Simpler ThanMaven!! 13
- 14. #JCConf [Default] • gradle tasks - List the tasks • gradle dependencies - Display the library dependencies. [Java Plugin] • gradle build - Build the project • gradle test - Test the project • gradle jar - Generate the jar file • gradle clean - Clean the project. Useful Tasks 14
- 15. #JCConf Task Dependency (Java Plugin) DAG(Directed Acyclic Graph) 15
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- 17. #JCConf • Simple dependency ! ! ! •Dynamic version ! ! • Changing module ! ! • Usually, we can find libraries from http://mvnrepository.com/ Dependency Management compile 'org.slf4j:slf4j-api:1.7.5' testCompile 'junit:junit:4.11' compile 'org.slf4j:slf4j-api:1.7.+' compile 'tw.jcconf:myapp:1.0-SNAPSHOT' 17
- 18. #JCConf • settings.gradle ! ! • Runtasks in subproject ! ! ! ! • Dependency Multi Project include 'project1','project2' > gradle project1:build ! > cd project1 project1> gradle build compile project(':project1') 18
- 19. #JCConf ! Gradle IDE plugin or IDEGradle plugin IDE Integration 19
- 20. #JCConf • Gradle IDEplugin ! ! ! • Tasks • gradle eclipse • gradle idea • Create the project file and put the jars in the IDE classpath. IDE Integration (cont.) apply plugin:’eclipse’ apply plugin:’idea’ 20
- 21. #JCConf • IDE Gradleplugin or native support • Gradle Daemon IDE Integration (cont.) Intellij Eclipse eclipse-integration-gradleBuilt-in Gradle Plugin 21
- 22. #JCConf Create a SimpleCLI Application by Gradle (by application plugin) https://github.com/popcornylu/jcconf2014-gradle
- 23. #JCConf23 > java -cpa.jar:b.jar:c.jar tw.jcconf.MyHello https://github.com/popcornylu/jcconf2014-gradle
- 24. #JCConf > java -jarmyhello.jar 24 https://github.com/popcornylu/jcconf2014-gradle
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- 26. #JCConf • Tasks • gradlerun • gradle installApp • gradle distZip • gradle distTar Application Plugin 26 > tree build/install/myhello/ build/install/myhello/ ├── bin │ ├── myhello │ └── myhello.bat └── lib ├── commons-cli-1.2.jar ├── myhello.jar └── slf4j-api-1.7.5.jar https://github.com/popcornylu/jcconf2014-gradle
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- 28. #JCConf • Gradle exploitadvantages from ant and maven • Flexible like Ant • Convention over configuration • Dependency management • Out-of-the-box tasks ! • Use DSL instead of XML • Good IDE integration Recap 28
- 29. #JCConf • Gradle UserGuide http://www.gradle.org/docs/current/userguide/ userguide_single.html • Gradle Tutorial in CodeData (by qrtt1) http://www.codedata.com.tw/java/understanding-gradle-1- ant/ • Hibernate. Why Gradle? https://developer.jboss.org/wiki/GradleWhy • Java Build Tools: Ant vs Maven vs Gradle http://technologyconversations.com/2014/06/18/build-tools/ Reference 29
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