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Making sure classes are in your project CLASSPATH via ant

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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

Making sure classes are in your project CLASSPATH via ant

Posted: Aug 5, 2004 1:32 AM

This post originated from an RSS feed registered with Java Buzz by dion.
Original Post: Making sure classes are in your project CLASSPATH via ant 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)

javap is one of those nice command line tools that you can use to print out info on a given class. I sometimes run into problems in a project where the right jars may not all be in my lib directories (see last post ;). I use a simple ant task to give me a sanity check (outside of my IDE of course, as that may be setup differently). I run: % ant find-class -Dclass.name=java.lang.String and the simple task is...    <target name="find-class" description="Find the class in the classpath"> <fail unless="class.name" message="You must pass a class name in via -Dclass.name=package.class"/> <echo message="Finding class: ${class.name}"/> <exec executable="javap"> <arg line="-classpath ${project.classpath} ${class.name}"/> </exec> </target> I am always surprised that I can't find a <javap> ant task too.

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