FindJarForClass

FindJarForClass.java

import java.net.URL;
 
 public class FindJarForClass {
     
    public static void main(String[] args) throws ClassNotFoundException {
    	System.out.println(findPathJar(Class.forName(args[0])));

    }
     
    public static String findPathJar(Class<?> context) throws IllegalStateException {
        URL location = context.getResource('/' + context.getName().replace(".", "/") 
                            + ".class");
        String jarPath = location.getPath();
        return jarPath.substring("file:".length(), jarPath.lastIndexOf("!"));
    }   
}