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Finding dependencies with JarJar

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dion

Posts: 5028
Nickname: dion
Registered: Feb, 2003

Dion Almaer is the Editor-in-Chief for TheServerSide.com, and is an enterprise Java evangelist

Finding dependencies with JarJar

Posted: Jan 3, 2005 2:06 PM

This post originated from an RSS feed registered with Java Buzz by dion.
Original Post: Finding dependencies with JarJar Feed Title: techno.blog(Dion) Feed URL: http://feeds.feedburner.com/dion Feed Description: blogging about life the universe and everything tech	Latest Java Buzz Posts Latest Java Buzz Posts by dion Latest Posts From techno.blog(Dion)

Chris Nokleberg has answered Hani's desire for a simple tool to find dependencies between two codebases. He hacked JarJar to do just this. He shows the example of: $ java -jar jarjar.jar --find --level=jar j1.jar:j2.jar:j3.jar:j4.jar giving you: commons-beanutils-1.6.1.jar -> commons-collections-3.1.jar commons-betwixt-0.5.jar -> commons-digester-1.5.jar commons-betwixt-0.5.jar -> commons-beanutils-1.6.1.jar commons-betwixt-0.5.jar -> commons-collections-3.1.jar commons-cli-1.0.jar -> commons-lang-2.0.jar commons-codec-1.2.jar -> commons-codec-1.3.jar commons-dbcp-1.2.1.jar -> commons-pool-1.2.jar commons-dbcp-1.2.1.jar -> commons-collections-3.1.jar commons-digester-1.5.jar -> commons-collections-3.1.jar commons-digester-1.5.jar -> commons-beanutils-1.6.1.jar commons-jxpath-1.2.jar -> commons-beanutils-1.6.1.jar commons-pool-1.2.jar -> commons-collections-3.1.jar commons-validator-1.1.3.jar -> commons-collections-3.1.jar commons-validator-1.1.3.jar -> commons-beanutils-1.6.1.jar commons-validator-1.1.3.jar -> commons-digester-1.5.jar Very nice. IMO, tools like these should be in the JDK itself. The graph that he has on his blog would also be very helpful. In some ways I also would like to have a way to have a jar file show a dependency to another component library in a maven-esque way (I want the module foo, version 1.4) rather than Class-Path: /some/path/to/it. That would cut down on the libs that are laying around (although you end up having most of them in your MAVEN_REPO instead of all of your lib dirs if you go that way! Much better)

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