URL url = new URL("http://billing:8080/bgbilling/executer?module=bill&action=ViewDocs&codes="+bid+"&contentType=application%2Fpdf&mid=6&type=bill&user=pdf&pswd=");
URLConnection conn = url.openConnection ();
FileOutputStream out=new FileOutputStream(file);
InputStream inputStream= conn.getInputStream();
byte buf[]=new byte[1024];
int len;
while((len=inputStream.read(buf))>0){
   out.write(buf,0,len);
}
out.close();

   public void transformAndSend( String xsltFile, Source source, Map<String, Object> params, String contentType, String fileName, boolean zip, Vector<String> email, String emailSubject )
   {
      transformAndSend( xsltFile, source, params, contentType, fileName, zip, (Object)email, emailSubject );
   }

   public void transformAndSend( String xsltFile, Source source, Map<String, Object> params, String contentType, String fileName, boolean zip, String email, String emailSubject )
   {
      transformAndSend( xsltFile, source, params, contentType, fileName, zip, (Object)email, emailSubject );
   }

   private void transformAndSend( String xsltFile, Source source, Map<String, Object> params, String contentType, String fileName, boolean zip, Object email, String emailSubject )
   {
      try
      {
         if( emailSubject == null || emailSubject.length() == 0 )
         {
            emailSubject = "REPORT";
         }

         DataSource dataSource = transform( xsltFile, source, params, contentType, fileName, zip );

         Multipart m = new MimeMultipart();
         MimeBodyPart attach = new MimeBodyPart();
         m.addBodyPart( attach );

         attach.setDataHandler( new DataHandler( dataSource ) );

         if( email instanceof Vector<?> )
         {
            new MailMsg( Setup.getSetup() ).sendMessage( (Vector<String>)email, emailSubject, m );
         }
         else
         {
            new MailMsg( Setup.getSetup() ).sendMessage( (String)email, emailSubject, m );
         }
      }
      catch( Exception ex )
      {
         log.error( ex.getMessage(), ex );
      }
   }