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Maven: The Definitive Guide
book

Maven: The Definitive Guide

by Sonatype Company
September 2008
Intermediate to advanced content levelIntermediate to advanced
470 pages
14h 22m
English
O'Reilly Media, Inc.
Content preview from Maven: The Definitive Guide

Best Practices

The Assembly plugin provides enough flexibility to solve many problems in a number of different ways. If your project has a unique requirement, there’s a good chance that you can use the methods documented in this chapter to achieve almost any assembly structure. This section of the chapter details some common best practices that, if adhered to, will make your experiences with the Assembly plugin more productive and less painful.

Standard, Reusable Assembly Descriptors

Up till now, we’ve been talking mainly about one-off solutions for building a particular type of assembly. But what do you do if you have dozens of projects that all need a particular type of assembly? In short, how can we reuse the effort we’ve invested to get our assemblies just the way we like them across more than one project without copying and pasting our assembly descriptor?

The simplest answer is to create a standardized, versioned artifact out of the assembly descriptor, and deploy it. Once that’s done, you can specify that the Assembly plugin section of your project’s POM include the assembly-descriptor artifact as a plugin-level dependency, which will prompt Maven to resolve and include that artifact in the plugin’s classpath. At that point, you can use the assembly descriptor via the descriptorRefs configuration section in the Assembly plugin declaration. To illustrate, consider this example assembly descriptor:

<assembly> <id>war-fragment</id> <formats> <format>zip</format> </formats> <includeBaseDirectory>false</includeBaseDirectory> ...
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Publisher Resources

ISBN: 9780596517335Supplemental ContentErrata Page