Get jar file Attribute : JarFile « File « Java Tutorial

1. Java Tutorial
2. File
3. JarFile

import java.io.IOException;
import java.util.Enumeration;
import java.util.jar.Attributes;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;

public class MainClass {

  public static void main(String[] args) throws IOException {

    JarFile jf = new JarFile(args[0]);
    Enumeration e = jf.entries();
    while (e.hasMoreElements()) {
      JarEntry je = (JarEntry) e.nextElement();
      String name = je.getName();

      Attributes a = je.getAttributes();
      if (a != null) {
        Object[] nameValuePairs = a.entrySet().toArray();
        for (int j = 0; j < nameValuePairs.length; j++) {
          System.out.println(nameValuePairs[j]);
        }
      }
    }
  }
}