October 2007
Intermediate to advanced
496 pages
16h 50m
English
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Automation with Apache Ant
If you are changing your web application periodically and have to perform these various
steps for deployment often, you will probably want to automate the process, rather than
retype the jar (and maybe copy/cp) command each time. We show you how
to do so using Ant, an Apache Software Foundation build tool that is also used in Chapter 9. Of course, you can also use any other tool you
like, such as make, Perl, or a shell script or batch
file, but Ant is the standard tool for this purpose in the Java and Tomcat communities, so
it's probably good to know the rudiments of Ant.
Ant automates the running of other programs. More precisely, Ant can run non-Java programs, but benefits from being able to do a great deal of processing just by running Java classes. Because Ant is written in Java, it already has a JVM available, so running other Java functions (including a Java compiler) is pretty fast, as the JVM is already fired up. Ant also comes with a large library of built-in tasks for common operations, including dealing with TAR, JAR, ZIP, GZIP, and other file formats—usually without resorting to running external programs. That is, it contains OS portable Java classes that can read and write files in these and other formats, as well as copying files, compiling Java programs (including servlets), and much more.
Ant reads build files written in XML that are typically named build.xml[20] for its directions. An Ant build file contains one project definition and any ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.