private void validate() { String text = fParameterText.getText(); String error = null; if (text.length() > 0) { try { fValueConverter.convertToObject(text); } catch (ParameterValueConversionException e1) { error = e1.getMessage(); } } if (error == null) fCCP.setMessage(null, IMessageProvider.NONE); else fCCP.setMessage(NLS.bind(PDEUIMessages.CommandDetails_paramValueMessage, fParameter.getName(), error), IMessageProvider.WARNING); } }