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GroovyUsing Groovy
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Gram is a simple xdoclet-like tool for processing doclet tags or Java 5 annotations in source code or bytecode and auto-generating files, data or resources. Gram = Groovy + JAM. JAM does all the hard work of abstracting away the details between annotations and doclet tags and handling Java 1.4 and 5 compliance. Groovy takes care of the scripting, code generation & templating. Gram is the little tidy bit of code in between. The sources can be found here : Using GramYou can use the Gram class as a main() and run it from your IDE if you wish. There is a GramTask as well for using it inside Ant. Often since JAM depends on Sun's doclet stuff, you can have issues running the GramTask inside Maven and sometimes Ant. So I tend to run the Gram command line tool from inside an Ant build. e.g. <java classname="org.codehaus.gram.Gram" fork="true"> <classpath refid="tool.classpath"/> <!-- the directory where the source code lives --> <arg value="src/java"/> <!-- the groovy script to run to generate stuff --> <arg value="src/script/MyGram.groovy"/> </java> Example scriptHere's a simple example which just lists all the hibernate peristent classes in your source code persistentClasses = classes.findAll { it.getAnnotation("hibernate.class") != null } println "Found ${persistentClasses.size()} instances out of ${classes.size()}" persistentClasses.each { c | println c.simpleName for (p in c.properties) { println " property: ${p.simpleName}" } } Jar DependenciesGram just depends on
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