code: public JarSignerRequest createVerifyRequest( File jarFile, boolean certs )
      {
          JarSignerVerifyRequest request = new JarSignerVerifyRequest();
          request.setCerts( certs );
          request.setWorkingDirectory( workDirectory );
          request.setMaxMemory( getMaxMemory() );
          request.setVerbose( isVerbose() );
          request.setArchive( jarFile );
          return request;
      }
docs: Creates a jarsigner request to do a verify operation.
  
  @param jarFile the location of the jar to sign
  @param certs   flag to show certificates details
  @return the jarsigner request