Java by API/java.util.jar/Attributes

Attributes: entrySet()

   <source lang="java">
 

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 Main {

 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]);
       }
     }
   }
 }

}

 </source>
   
  
 
  

Attributes: getValue(Name name)

   <source lang="java">

import java.util.Iterator; import java.util.Map; import java.util.jar.Attributes; import java.util.jar.JarFile; import java.util.jar.Manifest; public class Main {

 public static void main(String[] argv) throws Exception {
   JarFile jarfile = new JarFile("filename.jar");
   Manifest manifest = jarfile.getManifest();
   Map map = manifest.getEntries();
   for (Iterator it = map.keySet().iterator(); it.hasNext();) {
     String entryName = (String) it.next();
     Attributes attrs = (Attributes) map.get(entryName);
     for (Iterator it2 = attrs.keySet().iterator(); it2.hasNext();) {
       Attributes.Name attrName = (Attributes.Name) it2.next();
       String attrValue = attrs.getValue(attrName);
     }
   }
 }

}

 </source>