org.thymeleaf.processor.element.IElementTagStructureHandler.setAttribute java code examples

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public static void setAttribute(
    final IElementTagStructureHandler structureHandler,
    final AttributeDefinition attributeDefinition, final String attributeName, final String attributeValue) {
  if (structureHandler instanceof ElementTagStructureHandler) {
    ((ElementTagStructureHandler) structureHandler).setAttribute(attributeDefinition, attributeName, attributeValue, null);
  } else {
    structureHandler.setAttribute(attributeName, attributeValue);
  }
}

  structureHandler.setAttribute(newAttributeName, newAttributeName);
} else {
  structureHandler.removeAttribute(newAttributeName);
      tag.getAttributeValue(newAttributeName).length() == 0) {
    structureHandler.setAttribute(newAttributeName, newAttributeValue);
  } else {
    String currentValue = tag.getAttributeValue(newAttributeName);
    if (this.modificationType == ModificationType.APPEND) {
      structureHandler.setAttribute(newAttributeName, currentValue + newAttributeValue);
    } else if (this.modificationType == ModificationType.APPEND_WITH_SPACE) {
      structureHandler.setAttribute(newAttributeName, currentValue + ' ' + newAttributeValue);
    } else if (this.modificationType == ModificationType.PREPEND) {
      structureHandler.setAttribute(newAttributeName, newAttributeValue + currentValue);
    } else { // modification type is PREPEND_WITH_SPACE
      structureHandler.setAttribute(newAttributeName, newAttributeValue + ' ' + currentValue);

  /**
   * This method replaces the attribute device:replace="XXX" with th:replace"DEVICE_PREFIX/XXX"
   * This is useful for including device specific fragments
   */
  @Override
  protected void doProcess( ITemplateContext context,
               IProcessableElementTag tag,
               AttributeName attributeName,
               String attributeValue,
               IElementTagStructureHandler structureHandler ) {
    ApplicationContext applicationContext
        = (ApplicationContext) context.getConfiguration()
                       .getExecutionAttributes()
                       .get( DeviceDialect.APPLICATION_CONTEXT_ATTRIBUTE );
    DeviceBasedViewNameResolver deviceBasedViewNameResolver
        = applicationContext.getBean( DeviceBasedViewNameResolver.class );

    structureHandler.setAttribute(
        StandardDialect.PREFIX + ":" + StandardReplaceTagProcessor.ATTR_NAME,
        deviceBasedViewNameResolver.resolveDeviceSpecificView( attributeValue )
    );
  }
}

@Override
protected void doProcess(ITemplateContext context, IProcessableElementTag tag, AttributeName attributeName,
    String attributeValue, IElementTagStructureHandler structureHandler) {
  String attrValue = String.valueOf(Expressions.evaluate(context, attributeValue)).trim();
  Page<?> page = PageUtils.findPage(context);
  String url = PageUtils.createSortUrl(context, attrValue);
  // Append class to the element if sorted by this field
  Sort sort = page.getSort();
  boolean isSorted = sort != null && sort.getOrderFor(attributeValue) != null;
  String clas = isSorted
      ? SORTED_PREFIX.concat(sort.getOrderFor(attributeValue).getDirection().toString().toLowerCase())
      : EMPTY;
  structureHandler.setAttribute(HREF, url);
  String currentClass = tag.getAttributeValue(CLASS);
  structureHandler.setAttribute(CLASS, Strings.concat(currentClass, BLANK, clas));
}

@Override
protected void doProcess(ITemplateContext context, IProcessableElementTag tag, AttributeName attributeName,
    String attributeValue, IElementTagStructureHandler structureHandler) {
  String attrValue = String.valueOf(Expressions.evaluate(context, attributeValue)).trim();
  Page<?> page = PageUtils.findPage(context);
  String url = PageUtils.createSortUrl(context, attrValue, getForcedDirection());
  // Append class to the element if sorted by this field
  Sort sort = page.getSort();
  boolean isSorted = sort != null && sort.getOrderFor(attrValue) != null;
  String clas = isSorted
      ? SORTED_PREFIX.concat(sort.getOrderFor(attrValue).getDirection().toString().toLowerCase())
      : EMPTY;
  structureHandler.setAttribute(HREF, url);
  String currentClass = tag.getAttributeValue(CLASS);
  structureHandler.setAttribute(CLASS, Strings.concat(currentClass, BLANK, clas));
}

@Override
protected void doProcess(
    final ITemplateContext context,
    final IProcessableElementTag tag,
    final IElementTagStructureHandler structureHandler) {
  final AttributeName selectAttrNameToAdd =
      (AttributeName) context.getVariable(SpringSelectFieldTagProcessor.OPTION_IN_SELECT_ATTR_NAME);
  if (selectAttrNameToAdd == null) {
    // Nothing to do
    return;
  }
  // It seems this <option> is inside a <select th:field="...">, and the processor for that "th:field" has left
  // as a local variable the name and value of the attribute to be added
  final String selectAttrValueToAdd =
      (String) context.getVariable(SpringSelectFieldTagProcessor.OPTION_IN_SELECT_ATTR_VALUE);
  if (tag.hasAttribute(selectAttrNameToAdd)) {
    if (!selectAttrValueToAdd.equals(tag.getAttributeValue(selectAttrNameToAdd))) {
      throw new TemplateProcessingException(
          "If specified (which is not required), attribute \"" + selectAttrNameToAdd + "\" in " +
          "\"option\" tag must have exactly the same value as in its containing \"select\" tag");
    }
  }
  // This attribute value does not need to be escaped, because we are just "transporting" the th:field in the
  // container <select> to its <option>'s, without any modifications. It will be executed (and its results
  // escaped) later...
  structureHandler.setAttribute(selectAttrNameToAdd.getCompleteAttributeNames()[0], selectAttrValueToAdd);
}

@Override
protected void doProcess(
    final ITemplateContext context,
    final IProcessableElementTag tag,
    final IElementTagStructureHandler structureHandler) {
  final AttributeName selectAttrNameToAdd =
      (AttributeName) context.getVariable(SpringSelectFieldTagProcessor.OPTION_IN_SELECT_ATTR_NAME);
  if (selectAttrNameToAdd == null) {
    // Nothing to do
    return;
  }
  // It seems this <option> is inside a <select th:field="...">, and the processor for that "th:field" has left
  // as a local variable the name and value of the attribute to be added
  final String selectAttrValueToAdd =
      (String) context.getVariable(SpringSelectFieldTagProcessor.OPTION_IN_SELECT_ATTR_VALUE);
  if (tag.hasAttribute(selectAttrNameToAdd)) {
    if (!selectAttrValueToAdd.equals(tag.getAttributeValue(selectAttrNameToAdd))) {
      throw new TemplateProcessingException(
          "If specified (which is not required), attribute \"" + selectAttrNameToAdd + "\" in " +
          "\"option\" tag must have exactly the same value as in its containing \"select\" tag");
    }
  }
  // This attribute value does not need to be escaped, because we are just "transporting" the th:field in the
  // container <select> to its <option>'s, without any modifications. It will be executed (and its results
  // escaped) later...
  structureHandler.setAttribute(selectAttrNameToAdd.getCompleteAttributeNames()[0], selectAttrValueToAdd);
}

@Override
protected void doProcess(
    final ITemplateContext context,
    final IProcessableElementTag tag,
    final IElementTagStructureHandler structureHandler) {
  final AttributeName selectAttrNameToAdd =
      (AttributeName) context.getVariable(SpringSelectFieldTagProcessor.OPTION_IN_SELECT_ATTR_NAME);
  if (selectAttrNameToAdd == null) {
    // Nothing to do
    return;
  }
  // It seems this <option> is inside a <select th:field="...">, and the processor for that "th:field" has left
  // as a local variable the name and value of the attribute to be added
  final String selectAttrValueToAdd =
      (String) context.getVariable(SpringSelectFieldTagProcessor.OPTION_IN_SELECT_ATTR_VALUE);
  if (tag.hasAttribute(selectAttrNameToAdd)) {
    if (!selectAttrValueToAdd.equals(tag.getAttributeValue(selectAttrNameToAdd))) {
      throw new TemplateProcessingException(
          "If specified (which is not required), attribute \"" + selectAttrNameToAdd + "\" in " +
          "\"option\" tag must have exactly the same value as in its containing \"select\" tag");
    }
  }
  // This attribute value does not need to be escaped, because we are just "transporting" the th:field in the
  // container <select> to its <option>'s, without any modifications. It will be executed (and its results
  // escaped) later...
  structureHandler.setAttribute(selectAttrNameToAdd.getCompleteAttributeNames()[0], selectAttrValueToAdd);
}

@Override
protected void doProcess(
    final ITemplateContext context,
    final IProcessableElementTag tag,
    final IElementTagStructureHandler structureHandler) {
  final AttributeName selectAttrNameToAdd =
      (AttributeName) context.getVariable(SpringSelectFieldTagProcessor.OPTION_IN_SELECT_ATTR_NAME);
  if (selectAttrNameToAdd == null) {
    // Nothing to do
    return;
  }
  // It seems this <option> is inside a <select th:field="...">, and the processor for that "th:field" has left
  // as a local variable the name and value of the attribute to be added
  final String selectAttrValueToAdd =
      (String) context.getVariable(SpringSelectFieldTagProcessor.OPTION_IN_SELECT_ATTR_VALUE);
  if (tag.hasAttribute(selectAttrNameToAdd)) {
    if (!selectAttrValueToAdd.equals(tag.getAttributeValue(selectAttrNameToAdd))) {
      throw new TemplateProcessingException(
          "If specified (which is not required), attribute \"" + selectAttrNameToAdd + "\" in " +
          "\"option\" tag must have exactly the same value as in its containing \"select\" tag");
    }
  }
  // This attribute value does not need to be escaped, because we are just "transporting" the th:field in the
  // container <select> to its <option>'s, without any modifications. It will be executed (and its results
  // escaped) later...
  structureHandler.setAttribute(selectAttrNameToAdd.getCompleteAttributeNames()[0], selectAttrValueToAdd);
}

@Override
protected void doProcess(
    final ITemplateContext context,
    final IProcessableElementTag tag,
    final IElementTagStructureHandler structureHandler) {
  final AttributeName selectAttrNameToAdd =
      (AttributeName) context.getVariable(SpringSelectFieldTagProcessor.OPTION_IN_SELECT_ATTR_NAME);
  if (selectAttrNameToAdd == null) {
    // Nothing to do
    return;
  }
  // It seems this <option> is inside a <select th:field="...">, and the processor for that "th:field" has left
  // as a local variable the name and value of the attribute to be added
  final String selectAttrValueToAdd =
      (String) context.getVariable(SpringSelectFieldTagProcessor.OPTION_IN_SELECT_ATTR_VALUE);
  if (tag.hasAttribute(selectAttrNameToAdd)) {
    if (!selectAttrValueToAdd.equals(tag.getAttributeValue(selectAttrNameToAdd))) {
      throw new TemplateProcessingException(
          "If specified (which is not required), attribute \"" + selectAttrNameToAdd + "\" in " +
          "\"option\" tag must have exactly the same value as in its containing \"select\" tag");
    }
  }
  // This attribute value does not need to be escaped, because we are just "transporting" the th:field in the
  // container <select> to its <option>'s, without any modifications. It will be executed (and its results
  // escaped) later...
  structureHandler.setAttribute(selectAttrNameToAdd.getCompleteAttributeNames()[0], selectAttrValueToAdd);
}

Javadoc

Instructs the engine to set an attribute (existing or not) in the current tag being processed.

Popular methods of IElementTagStructureHandler

setBody
removeAttribute
removeElement
replaceWith
setLocalVariable
insertBefore
insertImmediatelyAfter
replaceAttribute
removeTags
iterateElement
Instructs the engine to iterate the current element, applying a specific iteration configuration.
removeAllButFirstChild
Instructs the engine to remove all the children of the element being processed, except the first on
removeBody
Instructs the engine to remove the body of the element being processed, but keep the open and close

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