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

public class FieldError
extends UIBean
implements Param.UnnamedParametric

Render field errors if they exists. Specific layout depends on the particular theme.

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>

 
 

Description

 

 Example 1: display all field errors

 Example 2: display field errors only for 'field1' and 'field2'


 
 

Field Summary

private List	errorFieldNames
private static String	TEMPLATE

Fields inherited from class org.apache.struts2.components.UIBean

accesskey, cssClass, cssErrorClass, cssErrorStyle, cssStyle, defaultTemplateDir, defaultUITheme, disabled, dynamicAttributes, id, javascriptTooltip, key, label, labelPosition, labelSeparator, name, onblur, onchange, onclick, ondblclick, onfocus, onkeydown, onkeypress, onkeyup, onmousedown, onmousemove, onmouseout, onmouseover, onmouseup, onselect, request, required, requiredposition, response, tabindex, template, templateDir, templateEngineManager, templateSuffix, theme, title, tooltip, tooltipConfig, tooltipCssClass, tooltipDelay, tooltipIconPath, value

Fields inherited from class org.apache.struts2.components.Component

actionMapper, COMPONENT_STACK, parameters, stack

Constructor Summary

FieldError(ValueStack stack, HttpServletRequest request, HttpServletResponse response)

Method Summary

void	addParameter(Object value) Adds the given value as a parameter to the outer tag.
protected String	getDefaultTemplate() A contract that requires each concrete UI Tag to specify which template should be used as a default.
List	getFieldErrorFieldNames()

Methods inherited from class org.apache.struts2.components.UIBean

addFormParameter, buildTemplateName, enableAncestorFormCustomOnsubmit, end, ensureAttributeSafelyNotEscaped, escape, evaluateExtraParams, evaluateNameValue, evaluateParams, getId, getTemplate, getTemplateDir, getTheme, getTooltipConfig, getValueClassType, mergeTemplate, populateComponentHtmlId, setAccesskey, setCssClass, setCssErrorClass, setCssErrorStyle, setCssStyle, setDefaultTemplateDir, setDefaultUITheme, setDisabled, setDynamicAttributes, setId, setJavascriptTooltip, setKey, setLabel, setLabelposition, setLabelSeparator, setName, setOnblur, setOnchange, setOnclick, setOndblclick, setOnfocus, setOnkeydown, setOnkeypress, setOnkeyup, setOnmousedown, setOnmousemove, setOnmouseout, setOnmouseover, setOnmouseup, setOnselect, setRequired, setRequiredposition, setTabindex, setTemplate, setTemplateDir, setTemplateEngineManager, setTheme, setTitle, setTooltip, setTooltipConfig, setTooltipCssClass, setTooltipDelay, setTooltipIconPath, setValue

Methods inherited from class org.apache.struts2.components.Component

addAllParameters, addParameter, altSyntax, copyParams, determineActionURL, determineNamespace, end, fieldError, findAncestor, findString, findString, findValue, findValue, findValue, getComponentStack, getParameters, getStack, popComponentStack, setActionMapper, start, toString, usesBody

Methods inherited from class java.lang.Object

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

Field Detail

errorFieldNames

private List errorFieldNames

TEMPLATE

private static final String TEMPLATE

See Also:

Constant Field Values

Constructor Detail

FieldError

public FieldError(ValueStack stack,
                  HttpServletRequest request,
                  HttpServletResponse response)

Method Detail

getDefaultTemplate

protected String 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 class UIBean

Returns:

The name of the template to be used as the default.

addParameter

public void addParameter(Object value)

Description copied from interface: Param.UnnamedParametric

Adds the given value as a parameter to the outer tag.

Specified by:

addParameter in interface Param.UnnamedParametric

Parameters:

value - the value

getFieldErrorFieldNames

public List getFieldErrorFieldNames()