Class BindErrorsTag

java.lang.Object

jakarta.servlet.jsp.tagext.TagSupport

org.springframework.web.servlet.tags.RequestContextAwareTag

org.springframework.web.servlet.tags.HtmlEscapingAwareTag

org.springframework.web.servlet.tags.BindErrorsTag

All Implemented Interfaces:

jakarta.servlet.jsp.tagext.IterationTag, jakarta.servlet.jsp.tagext.JspTag, jakarta.servlet.jsp.tagext.Tag, jakarta.servlet.jsp.tagext.TryCatchFinally, Serializable

public class BindErrorsTag
extends HtmlEscapingAwareTag

This <hasBindErrors> tag provides an Errors instance in case of bind errors. The HTML escaping flag participates in a page-wide or application-wide setting (i.e. by HtmlEscapeTag or a "defaultHtmlEscape" context-param in web.xml).

Attribute Summary

Attribute	Required?	Runtime Expression?	Description
htmlEscape	false	true	Set HTML escaping for this tag, as boolean value. Overrides the default HTML escaping setting for the current page.
name	true	true	The name of the bean in the request that needs to be inspected for errors. If errors are available for this bean, they will be bound under the 'errors' key.

Author:

Rod Johnson, Juergen Hoeller

See Also:

• BindTag
• Errors
• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ERRORS_VARIABLE_NAME	Page context attribute containing Errors.

Fields inherited from class RequestContextAwareTag

logger, REQUEST_CONTEXT_PAGE_ATTRIBUTE

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

id, pageContext

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
BindErrorsTag()

Method Summary

Modifier and Type	Method	Description
int	doEndTag()
void	doFinally()
protected final int	doStartTagInternal()	Called by doStartTag to perform the actual work.
final @Nullable Errors	getErrors()	Retrieve the Errors instance that this tag is currently bound to.
String	getName()	Return the name of the bean that this tag checks.
void	setName(String name)	Set the name of the bean that this tag should check.

Methods inherited from class HtmlEscapingAwareTag

htmlEscape, isDefaultHtmlEscape, isHtmlEscape, isResponseEncodedHtmlEscape, setHtmlEscape

Methods inherited from class RequestContextAwareTag

doCatch, doStartTag, getRequestContext

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

doAfterBody, findAncestorWithClass, getId, getParent, getValue, getValues, release, removeValue, setId, setPageContext, setParent, setValue

Methods inherited from class Object

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

Field Details

ERRORS_VARIABLE_NAME

public static final String ERRORS_VARIABLE_NAME

Page context attribute containing Errors.

See Also:

• Constant Field Values

Constructor Details

BindErrorsTag

public BindErrorsTag()

Method Details

setName

public void setName(String name)

Set the name of the bean that this tag should check.

getName

public String getName()

Return the name of the bean that this tag checks.

doStartTagInternal

protected final int doStartTagInternal()
                                throws jakarta.servlet.ServletException,
jakarta.servlet.jsp.JspException

Description copied from class: RequestContextAwareTag

Called by doStartTag to perform the actual work.

Specified by:

doStartTagInternal in class RequestContextAwareTag

Returns:

same as TagSupport.doStartTag

Throws:

jakarta.servlet.ServletException

jakarta.servlet.jsp.JspException

See Also:

• TagSupport.doStartTag()

doEndTag

public int doEndTag()

Specified by:

doEndTag in interface jakarta.servlet.jsp.tagext.Tag

Overrides:

doEndTag in class jakarta.servlet.jsp.tagext.TagSupport

getErrors

public final @Nullable Errors getErrors()

Retrieve the Errors instance that this tag is currently bound to.

Intended for cooperating nesting tags.

doFinally

public void doFinally()

Specified by:

doFinally in interface jakarta.servlet.jsp.tagext.TryCatchFinally

Overrides:

doFinally in class RequestContextAwareTag