plugin
- src
- META-INF
   - persistence.xml
   - MANIFEST
- lib
   - libs.jar
   - ....

public class InputStreamZippedJarVisitor extends JarVisitor
   /**
    * Return the matching entries for each filter in the same order the filter where passed
    *
    * @return array of Set of JarVisitor.Entry
    * @throws IOException if something went wrong
    */
   public final Set[] getMatchingEntries() throws IOException {
      if ( !done ) {
         //avoid url access and so on
         //if ( filters.size() > 0 ) doProcessElements();
         done = true;
      }
      return entries;
   }