code: public OutputStream getOutputStream(String fileName) throws MalformedURLException, IOException {
          try {
              GetKeyStoreOutputStreamAction action = new GetKeyStoreOutputStreamAction(fileName);
              return AccessController.doPrivileged(action);
          } catch (PrivilegedActionException e) {
              Exception ex = e.getException();
              FFDCFilter.processException(e, getClass().getName(), "getOutputStream", new Object[] { fileName, this });
              if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())
                  Tr.debug(tc, "Exception opening keystore; " + ex);
  
              if (ex instanceof MalformedURLException)
                  throw (MalformedURLException) ex;
              else if (ex instanceof IOException)
                  throw (IOException) ex;
  
              throw new IOException(ex.getMessage());
          }
      }
docs: Open the provided filename as an outputstream.
  
  @param fileName
  @return OutputStream
  @throws MalformedURLException
  @throws IOException