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 Summary
Fields inherited from class org.apache.struts2.components.UIBean
accesskey, 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, value
Fields inherited from class org.apache.struts2.components.Component
actionMapper, attributes, COMPONENT_STACK, devMode, escapeHtmlBody, performClearTagStateForTagPoolingServers, stack, standardAttributesMap, throwExceptionOnELFailure
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Constructor Summary
ConstructorsConstructorDescriptionFieldError
(ValueStack stack, jakarta.servlet.http.HttpServletRequest request, jakarta.servlet.http.HttpServletResponse response) -
Method Summary
Modifier and TypeMethodDescriptionvoid
addParameter
(Object value) Adds the given value as a parameter to the outer tag.protected void
protected String
A contract that requires each concrete UI Tag to specify which template should be used as a default.void
setEscape
(boolean escape) void
setFieldName
(String fieldName) Methods inherited from class org.apache.struts2.components.UIBean
addFormParameter, 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, setValue
Methods inherited from class org.apache.struts2.components.Component
addAllAttributes, 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
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FieldError
public FieldError(ValueStack stack, jakarta.servlet.http.HttpServletRequest request, jakarta.servlet.http.HttpServletResponse response)
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Method Details
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getDefaultTemplate
Description copied from class:UIBean
A 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:
getDefaultTemplate
in classUIBean
- Returns:
- The name of the template to be used as the default.
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evaluateExtraParams
protected void evaluateExtraParams()- Overrides:
evaluateExtraParams
in classUIBean
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addParameter
Description copied from interface:Param.UnnamedParametric
Adds the given value as a parameter to the outer tag.- Specified by:
addParameter
in interfaceParam.UnnamedParametric
- Parameters:
value
- the value
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getFieldErrorFieldNames
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setFieldName
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setEscape
public void setEscape(boolean escape)
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