Maven

• Is a Project Management Tool.

• Can be used for

  • build
  • dependency Management
  • Releases
  • Documentation
  • Test Executions

• Maven prefers conventions over configurations

• Maven also works for Java Based Languages

  • groovy
  • Scala

• Maven uses a file called as pom.xml to define

  • dependencies
  • project information’s
  • plugins

Installation

• Before installing maven ensure Java is installed
• Ubuntu:

sudo apt-get update
sudo apt-get install maven -y

Maven folder conventions

• Code: <projectdirectory>/src/main/java/
• Location of pom: <projectdirectory>/pom.xml
• Test: <projectdirectory>/src/test/java/
• Target Folder: <projectdirectory>/target

pom.xml

• POM (Project Object Model): is a xml which defines
  • Project info
  • Dependencies
  • Plugins
  • Profiles

Goals

• compile : compile the code
• test: compile the code + test the code
• package: test the code + package the application
• install: pushes the pom file and jar/war to ~/.m2
• deploy: pushes the pom file and jar/war to Remote/Central Repo
• clean: remove the target folder

Executing goals

• single goal execution

mvn compile
mvn test

• multi goals

mvn clean package

Maven Repository Architecture

Using Maven with Jenkins

• Install maven and ensure Jenkins User has access to maven
• In the build section of Free style project
  • Execute Shell: directly execute the maven command
  • Invoke Top level Maven Targets: Specify goals from here