question: public void add ( String entry ) throws JarException { MessageHeader mh = manifest . getEntry ( entry ) ; if ( mh == null ) { throw new JarException ( "entry " + entry + " not in manifest" ) ; } MessageHeader smh ; try { smh = computeEntry ( mh ) ; } catch ( IOException e ) { throw new JarException ( e . getMessage ( ) ) ; } entries . addElement ( smh ) ; }
target:  Add a specific entry from the current manifest.