public void encodeBeginField()

in tobago-core/src/main/java/org/apache/myfaces/tobago/internal/renderkit/renderer/TextareaRenderer.java [79:162]
77 lines of code
21 McCabe index (conditional complexity)

  public void encodeBeginField(final FacesContext facesContext, final T component) throws IOException {
    final String title = HtmlRendererUtils.getTitleFromTipAndMessages(facesContext, component);
    final String clientId = component.getClientId(facesContext);
    final String fieldId = component.getFieldId(facesContext);
    final Integer rows = component.getRows();
    final boolean readonly = component.isReadonly();
    final boolean disabled = component.isDisabled();
    final Markup markup = component.getMarkup() != null ? component.getMarkup() : Markup.NULL;
    final TobagoResponseWriter writer = getResponseWriter(facesContext);

    writer.startElement(HtmlElements.TEXTAREA);
    writer.writeNameAttribute(clientId);
    writer.writeIdAttribute(fieldId);
    HtmlRendererUtils.writeDataAttributes(facesContext, writer, component);
    writer.writeAttribute(HtmlAttributes.ROWS, rows);
    writer.writeAttribute(HtmlAttributes.TITLE, title, true);
    writer.writeAttribute(HtmlAttributes.READONLY, readonly);
    writer.writeAttribute(HtmlAttributes.DISABLED, disabled);
    writer.writeAttribute(HtmlAttributes.REQUIRED, component.isRequired());
    writer.writeAttribute(HtmlAttributes.TABINDEX, component.getTabIndex());
    writer.writeAttribute(HtmlAttributes.AUTOCOMPLETE, component.getAutocompleteString(), true);

    if (component.getAccessKey() != null) {
      writer.writeAttribute(HtmlAttributes.ACCESSKEY, Character.toString(component.getAccessKey()), false);
      AccessKeyLogger.addAccessKey(facesContext, component.getAccessKey(), clientId);
    }

    writer.writeClassAttribute(
        BootstrapClass.validationColor(ComponentUtils.getMaximumSeverity(component)),
        BootstrapClass.FORM_CONTROL,
        component.getCustomClass(),
        markup.contains(Markup.LARGE) ? BootstrapClass.FORM_CONTROL_LG : null,
        markup.contains(Markup.SMALL) ? BootstrapClass.FORM_CONTROL_SM : null,
        markup.contains(Markup.SPREAD) ? TobagoClass.SPREAD : null);
    int maxLength = 0;
    int minLength = 0;
    String pattern = null;
    for (final Validator validator : component.getValidators()) {
      if (validator instanceof LengthValidator) {
        final LengthValidator lengthValidator = (LengthValidator) validator;
        maxLength = lengthValidator.getMaximum();
        minLength = lengthValidator.getMinimum();
      } else if (validator instanceof RegexValidator) {
        final RegexValidator regexValidator = (RegexValidator) validator;
        pattern = regexValidator.getPattern();
      }
    }
    if (maxLength > 0) {
      writer.writeAttribute(HtmlAttributes.MAXLENGTH, maxLength);
    }
    if (minLength > 0) {
      writer.writeAttribute(HtmlAttributes.MINLENGTH, minLength);
    }
    if (pattern != null) {
      writer.writeAttribute(HtmlAttributes.PATTERN, pattern, true);
    }

    renderFocus(clientId, component.isFocus(), component.isError(), facesContext, writer);

    final String placeholder = component.getPlaceholder();
    if (!disabled && !readonly && StringUtils.isNotBlank(placeholder)) {
      writer.writeAttribute(HtmlAttributes.PLACEHOLDER, placeholder, true);
    }
    String currentValue = getCurrentValue(facesContext, component);
    if (currentValue != null) {
      if (ComponentUtils.getDataAttribute(component, "html-editor") != null
          && SanitizeMode.auto == component.getSanitize()) {
        final Sanitizer sanitizer = TobagoConfig.getInstance(facesContext).getSanitizer();
        currentValue = sanitizer.sanitize(currentValue);
      }
      // this is because browsers eat the first CR+LF of <textarea>
      if (currentValue.startsWith("\r\n")) {
        currentValue = "\r\n" + currentValue;
      } else if (currentValue.startsWith("\n")) {
        currentValue = "\n" + currentValue;
      } else if (currentValue.startsWith("\r")) {
        currentValue = "\r" + currentValue;
      }
      writer.writeText(currentValue);
    }

    writer.endElement(HtmlElements.TEXTAREA);
    encodeBehavior(writer, facesContext, component);
  }