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Groovy Gradle make Fat Jar

/ Published in: Groovy
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  1. // make fat jar
  2. 	// exclude META-INF/MANIFEST.MF files and *groovy*.jar
  3.  
  4. 	def f_NotGroovyJar(ao) {
  5. 		// filter routine for find All to exclude groovy jar files
  6. 		def f_ew_jar     = { a -> return a.toString().trim().toLowerCase().endsWith(".jar") }
  7. 		def f_has_groovy = { a -> return ( a.toString().trim().toLowerCase().contains("groovy") ) }
  8. 		return ( f_ew_jar(ao) ) && ( !f_has_groovy(ao) )
  9. 	}
  10.  
  11. 	jar {
  12. 		println "*** jar task beg ***"
  13. 		def cp1 = configurations.compile.collect { it }
  14. 		// note: might want to use configuration runtime instead for above line
  15.  
  16. 		def fo = new File( "${buildDir}/jars.txt" ).newWriter()
  17. 		cp1.each {
  18. 			println it
  19. 			fo.write( "${it.name}\n" )
  20. 		}
  21. 		fo.flush()
  22. 		fo.close()
  23.  
  24. 		def cp2       = cp1.clone().findAll { f_NotGroovyJar(it)	}
  25. 		def classpath = cp2.collect { it.directory ? it : zipTree(it) }
  26.  
  27. 		from (classpath) {
  28. 			exclude 'META-INF/MANIFEST.MF'
  29. 		} 
  30.  
  31. 		println "*** jar task end ***"
  32. 		// println "Press any key..."; System.in.read();
  33. 	}

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