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Search entry in jar files

/ Published in: Groovy
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Eg: groovy findjar "Servlet" /opt/tomcat/lib

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  1. #!/usr/bin/env groovy
  2.  
  3. import java.util.jar.*
  4.  
  5. //Usage check.
  6. if(args.size() <2){
  7. 	println "usage: ${this.class.name} searchstr jarfile [jarfile]"
  8. 	println "  jarfile can be a directory, which will include all jar files."
  9. 	return
  10. }
  11.  
  12. //Collect args for jar files.
  13. searchstr = args[0]
  14. jarfiles = []
  15. args[1..-1].each{ arg->
  16. 	file = new File(arg)
  17. 	if(file.isDirectory()){
  18. 		file.eachFileMatch(~/.*\.jar$/){ jarfiles.add(it) }
  19. 	}else{
  20. 		jarfiles.add(file)
  21. 	}
  22. }
  23. //println binding.variables
  24.  
  25. //Find and print the entry listing!
  26. jarfiles.each{ file->
  27. 	jarfile = new JarFile(file)
  28. 	jarfile.entries().each{ entry->
  29. 		if (entry.name =~ searchstr){
  30. 			println "$entry.name : $file.canonicalPath"
  31. 		}
  32. 	}
  33. }

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