private boolean isValidName( String name, String reservedSymbols ) {
return !StringUtils.containsAnyChars( name, reservedSymbols );
}
private void showErrorMessage( String userName, String reservedCharacters ) {
GwtMessageBox messageBox = new GwtMessageBox();
messageBox.setTitle( Messages.getString( "error" ) );
messageBox.setMessage( Messages.getString( "prohibitedNameSymbols", userName, reservedCharacters ) );
messageBox.setButtons( new Object[GwtMessageBox.ACCEPT] );
messageBox.setWidth( 300 );
messageBox.show();
}