Book Image

Apache Maven Cookbook

Book Image

Apache Maven Cookbook

Overview of this book

Table of Contents (18 chapters)
Apache Maven Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Understanding the pom file


Every Maven project has a pom file that defines what the project is all about and how it should be built. Pom is an acronym for project object model. Let us take a peek at this file.

How to do it...

Let's understand the pom file, by performing the following steps:

  1. Go to a Maven project that we created in previous chapters.

  2. Open the file named pom.xml.

How it works...

A pom file is an XML file that is based on a specific schema, as specified at the top of the file:

<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/xsd/maven-4.0.0.xsd">

There is also a modelVersion element that defines the version of this schema:

<modelVersion>4.0.0</modelVersion>

These are the basic elements of a pom file.

The groupId element is a unique identifier of the organization to which the project belongs. For our sample project...