EscapedErrors.java 文件源码

@SuppressWarnings("unchecked")
private <T extends ObjectError> T escapeObjectError(T source) {
    if (source == null) {
        return null;
    }
    if (source instanceof FieldError) {
        FieldError fieldError = (FieldError) source;
        Object value = fieldError.getRejectedValue();
        if (value instanceof String) {
            value = HtmlUtils.htmlEscape((String) value);
        }
        return (T) new FieldError(
                fieldError.getObjectName(), fieldError.getField(), value,
                fieldError.isBindingFailure(), fieldError.getCodes(),
                fieldError.getArguments(), HtmlUtils.htmlEscape(fieldError.getDefaultMessage()));
    }
    else {
        return (T) new ObjectError(
                source.getObjectName(), source.getCodes(), source.getArguments(),
                HtmlUtils.htmlEscape(source.getDefaultMessage()));
    }
}