How to use

removeAttribute

method

in

org.thymeleaf.processor.element.IElementTagStructureHandler

@Override
protected void doProcess(
    final ITemplateContext context,
    final IProcessableElementTag tag,
    final IElementTagStructureHandler structureHandler) {
  // Nothing to do, this processor is just a marker. Simply remove the attribute
  final AttributeName attributeName = getMatchingAttributeName().getMatchingAttributeName();
  structureHandler.removeAttribute(attributeName);
}

protected void doProcess(
    final ITemplateContext context,
    final IProcessableElementTag tag,
    final AttributeName attributeName, final String attributeValue,
    final Object expressionResult,
    final IElementTagStructureHandler structureHandler) {
  final String newAttributeValue =
      EscapedAttributeUtils.escapeAttribute(getTemplateMode(), expressionResult == null ? null : expressionResult.toString());
  // These attributes are "removable if empty", so we simply remove the target attribute...
  if (newAttributeValue == null || newAttributeValue.length() == 0) {
    // We are removing the equivalent attribute name, without the prefix...
    structureHandler.removeAttribute(this.targetAttributeDefinition.getAttributeName());
    structureHandler.removeAttribute(attributeName);
  } else {
    // We are setting the equivalent attribute name, without the prefix...
    StandardProcessorUtils.replaceAttribute(
        structureHandler, attributeName, this.targetAttributeDefinition, this.targetAttrCompleteName, (newAttributeValue == null ? "" : newAttributeValue));
  }
}

@Override
protected final void doProcess(
    final ITemplateContext context,
    final IProcessableElementTag tag,
    final AttributeName attributeName, final String attributeValue,
    final Object expressionResult,
    final IElementTagStructureHandler structureHandler) {
  final String newAttributeValue =
      EscapedAttributeUtils.escapeAttribute(getTemplateMode(), expressionResult == null ? null : expressionResult.toString());
  // These attributes might be "removable if empty", in which case we would simply remove the target attribute...
  if (this.removeIfEmpty && (newAttributeValue == null || newAttributeValue.length() == 0)) {
    // We are removing the equivalent attribute name, without the prefix...
    structureHandler.removeAttribute(this.targetAttributeDefinition.getAttributeName());
    structureHandler.removeAttribute(attributeName);
  } else {
    // We are setting the equivalent attribute name, without the prefix...
    StandardProcessorUtils.replaceAttribute(
        structureHandler, attributeName, this.targetAttributeDefinition, this.targetAttrCompleteName, (newAttributeValue == null ? "" : newAttributeValue));
  }
}

@Override
protected final void doProcess(
    final ITemplateContext context,
    final IProcessableElementTag tag,
    final AttributeName attributeName, final String attributeValue,
    final Object expressionResult,
    final IElementTagStructureHandler structureHandler) {
  final String newAttributeValue =
      EscapedAttributeUtils.escapeAttribute(getTemplateMode(), expressionResult == null ? null : expressionResult.toString());
  // These attributes might be "removable if empty", in which case we would simply remove the target attributes...
  if (this.removeIfEmpty && (newAttributeValue == null || newAttributeValue.length() == 0)) {
    // We are removing the equivalent attribute name, without the prefix...
    structureHandler.removeAttribute(this.attributeOneDefinition.getAttributeName());
    structureHandler.removeAttribute(this.attributeTwoDefinition.getAttributeName());
  } else {
    // We are setting the equivalent attribute name, without the prefix...
    StandardProcessorUtils.setAttribute(structureHandler, this.attributeOneDefinition, this.attributeOneCompleteName, newAttributeValue);
    StandardProcessorUtils.setAttribute(structureHandler, this.attributeTwoDefinition, this.attributeTwoCompleteName, newAttributeValue);
  }
}

@Override
protected final void doProcess(
    final ITemplateContext context,
    final IProcessableElementTag tag,
    final AttributeName attributeName, final String attributeValue,
    final Object expressionResult,
    final IElementTagStructureHandler structureHandler) {
  if (EvaluationUtils.evaluateAsBoolean(expressionResult)) {
    StandardProcessorUtils.setAttribute(structureHandler, this.targetAttributeDefinition, this.targetAttributeCompleteName, this.targetAttributeCompleteName);
  } else {
    structureHandler.removeAttribute(this.targetAttributeDefinition.getAttributeName());
  }
}

structureHandler.removeAttribute(attributeName);

  structureHandler.setAttribute(newAttributeName, newAttributeName);
} else {
  structureHandler.removeAttribute(newAttributeName);
    structureHandler.removeAttribute(newAttributeName);

  structureHandler.removeAttribute(attributeName);
  return;
  structureHandler.removeAttribute(newAttributeName);
  structureHandler.removeAttribute(attributeName);
} else {

structureHandler.removeAttribute(attributeName);
return;

structureHandler.removeAttribute(attributeName);

  @Override
  protected void doProcess(ITemplateContext iTemplateContext,
               IProcessableElementTag iProcessableElementTag,
               AttributeName attributeName,
               String attributeValue,
               IElementTagStructureHandler iElementTagStructureHandler) {
    if (ShiroFacade.isUser()) {
      iElementTagStructureHandler.removeAttribute(attributeName);
    } else {
      iElementTagStructureHandler.removeElement();
    }
  }
}

  @Override
  protected void doProcess(ITemplateContext iTemplateContext,
               IProcessableElementTag iProcessableElementTag,
               AttributeName attributeName,
               String attributeValue,
               IElementTagStructureHandler iElementTagStructureHandler) {
    if (ShiroFacade.isUser()) {
      iElementTagStructureHandler.removeAttribute(attributeName);
    } else {
      iElementTagStructureHandler.removeElement();
    }
  }
}

  @Override
  protected void doProcess(ITemplateContext iTemplateContext,
               IProcessableElementTag iProcessableElementTag,
               AttributeName attributeName,
               String attributeValue,
               IElementTagStructureHandler iElementTagStructureHandler) {
    if (ShiroFacade.isAuthenticated()) {
      iElementTagStructureHandler.removeAttribute(attributeName);
    } else {
      iElementTagStructureHandler.removeElement();
    }
  }
}

  @Override
  protected void doProcess(ITemplateContext iTemplateContext,
               IProcessableElementTag iProcessableElementTag,
               AttributeName attributeName,
               String attributeValue,
               IElementTagStructureHandler iElementTagStructureHandler) {
    if (ShiroFacade.isNotAuthenticated()) {
      iElementTagStructureHandler.removeAttribute(attributeName);
    } else {
      iElementTagStructureHandler.removeElement();
    }
  }
}

  @Override
  protected void doProcess(ITemplateContext iTemplateContext,
               IProcessableElementTag iProcessableElementTag,
               AttributeName attributeName,
               String attributeValue,
               IElementTagStructureHandler iElementTagStructureHandler) {
    if (ShiroFacade.isGuest()) {
      iElementTagStructureHandler.removeAttribute(attributeName);
    } else {
      iElementTagStructureHandler.removeElement();
    }
  }
}

  @Override
  protected void doProcess(ITemplateContext iTemplateContext,
               IProcessableElementTag iProcessableElementTag,
               AttributeName attributeName,
               String attributeValue,
               IElementTagStructureHandler iElementTagStructureHandler) {
    if (ShiroFacade.isNotAuthenticated()) {
      iElementTagStructureHandler.removeAttribute(attributeName);
    } else {
      iElementTagStructureHandler.removeElement();
    }
  }
}

  @Override
  protected void doProcess(ITemplateContext iTemplateContext,
               IProcessableElementTag iProcessableElementTag,
               AttributeName attributeName,
               String attributeValue,
               IElementTagStructureHandler iElementTagStructureHandler) {
    if (ShiroFacade.isAuthenticated()) {
      iElementTagStructureHandler.removeAttribute(attributeName);
    } else {
      iElementTagStructureHandler.removeElement();
    }
  }
}

  @Override
  protected void doProcess(ITemplateContext iTemplateContext,
               IProcessableElementTag iProcessableElementTag,
               AttributeName attributeName,
               String attributeValue,
               IElementTagStructureHandler iElementTagStructureHandler) {
    if (ShiroFacade.isGuest()) {
      iElementTagStructureHandler.removeAttribute(attributeName);
    } else {
      iElementTagStructureHandler.removeElement();
    }
  }
}

  @Override
  protected void doProcess(ITemplateContext iTemplateContext,
               IProcessableElementTag iProcessableElementTag,
               AttributeName attributeName,
               String attributeValue,
               IElementTagStructureHandler iElementTagStructureHandler) {
    final String rawValue = getRawValue(iProcessableElementTag, attributeName);
    final List<String> values = evaluateAsStringsWithDelimiter(iTemplateContext, rawValue, DELIMITER);

    if (ShiroFacade.hasAllRoles(values)) {
      iElementTagStructureHandler.removeAttribute(attributeName);
    } else {
      iElementTagStructureHandler.removeElement();
    }
  }
}

  @Override
  protected void doProcess(ITemplateContext iTemplateContext,
               IProcessableElementTag iProcessableElementTag,
               AttributeName attributeName,
               String attributeValue,
               IElementTagStructureHandler iElementTagStructureHandler) {
    final String rawValue = getRawValue(iProcessableElementTag, attributeName);
    final List<String> values = evaluateAsStringsWithDelimiter(iTemplateContext, rawValue, DELIMITER);

    if (ShiroFacade.hasAnyRoles(values)) {
      iElementTagStructureHandler.removeAttribute(attributeName);
    } else {
      iElementTagStructureHandler.removeElement();
    }
  }
}