Package org.apache.struts2.components
Class FieldError
java.lang.Object
org.apache.struts2.components.Component
org.apache.struts2.components.UIBean
org.apache.struts2.components.FieldError
- All Implemented Interfaces:
- Param.UnnamedParametric
 Render field errors if they exists. Specific layout depends on the particular theme.
 The field error strings will be html escaped by default.
 
 
Examples
 
    <!-- example 1 -->
    <s:fielderror />
    <!-- example 2 -->
    <s:fielderror>
         <s:param>field1</s:param>
         <s:param>field2</s:param>
    </s:fielderror>
    <s:form .... >
       ....
    </s:form>
    OR
    <s:fielderror>
          <s:param value="%{'field1'}" />
          <s:param value="%{'field2'}" />
    </s:fielderror>
    <s:form .... >
       ....
    </s:form>
    OR
    <s:fielderror fieldName="field1" />
 
 
 Description
Example 1: display all field errors
Example 2: display field errors only for 'field1' and 'field2'
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Field SummaryFields inherited from class org.apache.struts2.components.UIBeanaccesskey, ATTR_FIELD_VALUE, ATTR_NAME_VALUE, ATTR_VALUE, cssClass, cssErrorClass, cssErrorStyle, cssStyle, defaultTemplateDir, defaultUITheme, disabled, dynamicAttributes, errorPosition, id, javascriptTooltip, key, label, labelPosition, labelSeparator, name, onblur, onchange, onclick, ondblclick, onfocus, onkeydown, onkeypress, onkeyup, onmousedown, onmousemove, onmouseout, onmouseover, onmouseup, onselect, request, requiredLabel, requiredPosition, response, tabindex, template, templateDir, templateEngineManager, templateSuffix, theme, title, tooltip, tooltipConfig, tooltipCssClass, tooltipDelay, tooltipIconPath, uiStaticContentPath, uiThemeExpansionToken, valueFields inherited from class org.apache.struts2.components.ComponentactionMapper, attributes, COMPONENT_STACK, devMode, escapeHtmlBody, performClearTagStateForTagPoolingServers, stack, standardAttributesMap, throwExceptionOnELFailure
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Constructor SummaryConstructorsConstructorDescriptionFieldError(ValueStack stack, jakarta.servlet.http.HttpServletRequest request, jakarta.servlet.http.HttpServletResponse response) 
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Method SummaryModifier and TypeMethodDescriptionvoidaddParameter(Object value) Adds the given value as a parameter to the outer tag.protected voidprotected StringA contract that requires each concrete UI Tag to specify which template should be used as a default.voidsetEscape(boolean escape) voidsetFieldName(String fieldName) Methods inherited from class org.apache.struts2.components.UIBeanaddFormParameter, applyValueParameter, buildTemplateName, copyAttributes, enableAncestorFormCustomOnsubmit, end, ensureAttributeSafelyNotEscaped, escape, evaluateNameValue, evaluateParams, getId, getTemplate, getTemplateDir, getTheme, getTooltipConfig, getValueClassType, lazyEvaluation, mergeTemplate, populateComponentHtmlId, setAccesskey, setCssClass, setCssErrorClass, setCssErrorStyle, setCssStyle, setDefaultTemplateDir, setDefaultUITheme, setDisabled, setDynamicAttributes, setErrorPosition, setId, setJavascriptTooltip, setKey, setLabel, setLabelPosition, setLabelSeparator, setName, setOnblur, setOnchange, setOnclick, setOndblclick, setOnfocus, setOnkeydown, setOnkeypress, setOnkeyup, setOnmousedown, setOnmousemove, setOnmouseout, setOnmouseover, setOnmouseup, setOnselect, setRequiredLabel, setRequiredPosition, setStaticContentPath, setStyle, setTabindex, setTemplate, setTemplateDir, setTemplateEngineManager, setTheme, setTitle, setTooltip, setTooltipConfig, setTooltipCssClass, setTooltipDelay, setTooltipIconPath, setUIThemeExpansionToken, setValueMethods inherited from class org.apache.struts2.components.ComponentaddAllAttributes, addParameter, completeExpression, determineActionURL, determineNamespace, end, escapeHtmlBody, fieldError, findAncestor, findString, findString, findValue, findValue, findValue, getAttributes, getComponentStack, getNamespace, getPerformClearTagStateForTagPoolingServers, getStack, getStandardAttributes, isAcceptableExpression, isValidTagAttribute, popComponentStack, setActionMapper, setDevMode, setEscapeHtmlBody, setNotExcludedAcceptedPatterns, setPerformClearTagStateForTagPoolingServers, setThrowExceptionsOnELFailure, setUrlHelper, start, stripExpression, toString, usesBody
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Constructor Details- 
FieldErrorpublic FieldError(ValueStack stack, jakarta.servlet.http.HttpServletRequest request, jakarta.servlet.http.HttpServletResponse response) 
 
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Method Details- 
getDefaultTemplateDescription copied from class:UIBeanA contract that requires each concrete UI Tag to specify which template should be used as a default. For example, the CheckboxTab might return "checkbox.vm" while the RadioTag might return "radio.vm". This value not begin with a '/' unless you intend to make the path absolute rather than relative to the current theme.- Specified by:
- getDefaultTemplatein class- UIBean
- Returns:
- The name of the template to be used as the default.
 
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evaluateExtraParamsprotected void evaluateExtraParams()- Overrides:
- evaluateExtraParamsin class- UIBean
 
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addParameterDescription copied from interface:Param.UnnamedParametricAdds the given value as a parameter to the outer tag.- Specified by:
- addParameterin interface- Param.UnnamedParametric
- Parameters:
- value- the value
 
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getFieldErrorFieldNames
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setFieldName
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setEscapepublic void setEscape(boolean escape) 
 
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