Package org.apache.struts2.views.jsp.ui

# Class ActionErrorTag

java.lang.Object
jakarta.servlet.jsp.tagext.TagSupport
jakarta.servlet.jsp.tagext.BodyTagSupport
org.apache.struts2.views.jsp.StrutsBodyTagSupport
org.apache.struts2.views.jsp.ComponentTagSupport
org.apache.struts2.views.jsp.ui.AbstractUITag
org.apache.struts2.views.jsp.ui.ActionErrorTag

All Implemented Interfaces:
  `jakarta.servlet.jsp.tagext.BodyTag`, `jakarta.servlet.jsp.tagext.DynamicAttributes`, `jakarta.servlet.jsp.tagext.IterationTag`, `jakarta.servlet.jsp.tagext.JspTag`, `jakarta.servlet.jsp.tagext.Tag`, `Serializable`

public class ActionErrorTag extends AbstractUITag
ActionError Tag.

See Also:
  - Serialized Form

- ## Field Summary

  ### Fields inherited from class org.apache.struts2.views.jsp.ui.AbstractUITag

  `accesskey, cssClass, cssErrorClass, cssErrorStyle, cssStyle, disabled, dynamicAttributes, errorPosition, id, javascriptTooltip, key, label, labelPosition, labelSeparator, name, onblur, onchange, onclick, ondblclick, onfocus, onkeydown, onkeypress, onkeyup, onmousedown, onmousemove, onmouseout, onmouseover, onmouseup, onselect, requiredLabel, requiredPosition, tabindex, template, templateDir, theme, title, tooltip, tooltipConfig, tooltipCssClass, tooltipDelay, tooltipIconPath, value`

  ### Fields inherited from class org.apache.struts2.views.jsp.ComponentTagSupport

  `component`

  ### Fields inherited from class jakarta.servlet.jsp.tagext.BodyTagSupport

  `bodyContent`

  ### Fields inherited from class jakarta.servlet.jsp.tagext.TagSupport

  `pageContext`

  ### Fields inherited from interface jakarta.servlet.jsp.tagext.BodyTag

  `EVAL_BODY_BUFFERED, EVAL_BODY_TAG`

  ### Fields inherited from interface jakarta.servlet.jsp.tagext.IterationTag

  `EVAL_BODY_AGAIN`

  ### Fields inherited from interface jakarta.servlet.jsp.tagext.Tag

  `EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE`

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `ActionErrorTag()`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `protected void`
  `clearTagStateForTagPoolingServers()`
  Provide a mechanism to clear tag state, to handle servlet container JSP tag pooling behaviour with some servers, such as Glassfish.
  `Component`
  `getBean(ValueStack stack, jakarta.servlet.http.HttpServletRequest req, jakarta.servlet.http.HttpServletResponse res)`
  `protected void`
  `populateParams()`
  Define method to populate component state based on the Tag attributes.
  `void`
  `setEscape(boolean escape)`
  `void`
  `setPerformClearTagStateForTagPoolingServers(boolean performClearTagStateForTagPoolingServers)`
  Must declare the setter at the descendant Tag class level in order for the tag handler to locate the method.

  ### Methods inherited from class org.apache.struts2.views.jsp.ui.AbstractUITag

  `setAccesskey, setCssClass, setCssErrorClass, setCssErrorStyle, setCssStyle, setDisabled, setDynamicAttribute, setErrorPosition, setId, setJavascriptTooltip, setKey, setLabel, setLabelPosition, setLabelSeparator, setName, setOnblur, setOnchange, setOnclick, setOndblclick, setOnfocus, setOnkeydown, setOnkeypress, setOnkeyup, setOnmousedown, setOnmousemove, setOnmouseout, setOnmouseover, setOnmouseup, setOnselect, setRequiredLabel, setRequiredPosition, setStyle, setTabindex, setTemplate, setTemplateDir, setTheme, setTitle, setTooltip, setTooltipConfig, setTooltipCssClass, setTooltipDelay, setTooltipIconPath, setValue`

  ### Methods inherited from class org.apache.struts2.views.jsp.ComponentTagSupport

  `doEndTag, doStartTag, getComponent, populatePerformClearTagStateForTagPoolingServersParam`

  ### Methods inherited from class org.apache.struts2.views.jsp.StrutsBodyTagSupport

  `findString, findValue, findValue, getBody, getPerformClearTagStateForTagPoolingServers, getStack, release, toString`

  ### Methods inherited from class jakarta.servlet.jsp.tagext.BodyTagSupport

  `doAfterBody, doInitBody, getBodyContent, getPreviousOut, setBodyContent`

  ### Methods inherited from class jakarta.servlet.jsp.tagext.TagSupport

  `findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setPageContext, setParent, setValue`

  ### Methods inherited from class java.lang.Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

  ### Methods inherited from interface jakarta.servlet.jsp.tagext.Tag

  `getParent, setPageContext, setParent`

- ## Constructor Details

  - ### ActionErrorTag

    public ActionErrorTag()

- ## Method Details

  - ### getBean

    public Component getBean(ValueStack stack, jakarta.servlet.http.HttpServletRequest req, jakarta.servlet.http.HttpServletResponse res)
    Specified by:
      `getBean` in class `ComponentTagSupport`

  - ### populateParams

    protected void populateParams()
    Description copied from class: `ComponentTagSupport`
    Define method to populate component state based on the Tag attributes. Descendants should override this method for custom behaviour, but should always call the ancestor method when doing so.
    Overrides:
      `populateParams` in class `AbstractUITag`

  - ### setEscape

    public void setEscape(boolean escape)

  - ### setPerformClearTagStateForTagPoolingServers

    public void setPerformClearTagStateForTagPoolingServers(boolean performClearTagStateForTagPoolingServers)
    Must declare the setter at the descendant Tag class level in order for the tag handler to locate the method.
    Overrides:
      `setPerformClearTagStateForTagPoolingServers` in class `AbstractUITag`
    Parameters:
      `performClearTagStateForTagPoolingServers` - true if tag state should be cleared, false otherwise.

  - ### clearTagStateForTagPoolingServers

    protected void clearTagStateForTagPoolingServers()
    Description copied from class: `StrutsBodyTagSupport`
    Provide a mechanism to clear tag state, to handle servlet container JSP tag pooling behaviour with some servers, such as Glassfish.

    Usage: Override this method in descendant classes to clear any state that might cause issues should the servlet container re-use a cached instance of the tag object. If the descendant class does not declare any new field members then it should not be strictly necessary to call this method there. Typically that means calling the ancestor's `ComponentTagSupport.clearTagStateForTagPoolingServers()` method first, then resetting instance variables at the current level to their default state.

    Note: If the descendant overrides `StrutsBodyTagSupport.doEndTag()`, and does not call super.doEndTag(), then the descendant should call this method in the descendant doEndTag() method to ensure consistent clearing of tag state.

    Overrides:
      `clearTagStateForTagPoolingServers` in class `AbstractUITag`