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I want to create a jar file containing downloaded and processed Internet files. And I want to do it using Mave. So, instead of compiling my .java classes and create a jar with them, I want to execute my code (who gets the files, process them, etc) and then package the resulting files in a jar.

How is the best approach to accomplish this? Maybe a plugin?

Thanks.

EDIT: What I want is a Maven project that, when you execute mvn:package or mvn:install finally you get a jar file, as always. The difference is that this files must be downloaded and processed by my code.

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4 Answers 4

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You could use the Maven Exec plugin: http://mojo.codehaus.org/exec-maven-plugin/

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Yes, if you want to extend the behavior of maven, you write a plugin. maven.apache.org and other related locations will tell you what you need to know. For simple things you can use the maven-antrun-plugin or the groovy-maven-plugin and script.

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I actually like the one-jar plugin for creating executable jars. I have a blog post that explains step by step what do if you are using maven or ant: Creating Executable Jars

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This seemed to be a job for the maven-dependency plugin which can download artifacts. After downloading you can do whatever you like with them.

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