import java.util.jar.JarFile;

if ( args?.size() == 0 || args[0]?.length() == 0 )
{
  println "usage with Parameters: <ClassNameToSearch> [pathToJarFiles]"
  System.exit(1)
}

def searchingClass = args[ 0 ]
def folder = args.size() > 1 ? args[1] : "."

println "searching for Class $searchingClass in $folder"
def basedir = new File(folder)

// gets all jar-files in basedir
files = basedir.listFiles().grep(~/.*jar$/)

for (currentFile in files) 
{
	try{
             new JarFile(currentFile).entries().each{ entry ->
                if ( entry.name =~ searchingClass)
				{
					tmp = entry.name.replaceAll( "/", ".").replaceAll( ".class", "")
                    println "$tmp ===> $folder/$currentFile.name"
                }
            }
        }
		catch(Throwable t)
		{
            println "\nFailed to open $currentFile.canonicalPath: ${t.toString()}"
        }
}