org.springframework.web.servlet.tags.form

Class HiddenInputTag

java.lang.Object

javax.servlet.jsp.tagext.TagSupport

org.springframework.web.servlet.tags.RequestContextAwareTag

org.springframework.web.servlet.tags.HtmlEscapingAwareTag

org.springframework.web.servlet.tags.form.AbstractFormTag

org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag

org.springframework.web.servlet.tags.form.AbstractHtmlElementTag

org.springframework.web.servlet.tags.form.HiddenInputTag

All Implemented Interfaces:

Serializable, DynamicAttributes, IterationTag, JspTag, Tag, TryCatchFinally, EditorAwareTag

public class HiddenInputTag
extends AbstractHtmlElementTag

The <hidden> tag renders an HTML 'input' tag with type 'hidden' using the bound value.

Example (binding to 'name' property of form backing object):

 <form:hidden path="name"/>
 

Attribute Summary

Attribute	Required?	Runtime Expression?	Description
htmlEscape	false	true	Enable/disable HTML escaping of rendered values.
id	false	true	HTML Standard Attribute
path	true	true	Path to property for data binding

Since:

2.0

Author:

Rob Harrop, Juergen Hoeller, Rossen Stoyanchev

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	DISABLED_ATTRIBUTE The name of the 'disabled' attribute.

Fields inherited from class org.springframework.web.servlet.tags.form.AbstractHtmlElementTag

CLASS_ATTRIBUTE, DIR_ATTRIBUTE, LANG_ATTRIBUTE, ONCLICK_ATTRIBUTE, ONDBLCLICK_ATTRIBUTE, ONKEYDOWN_ATTRIBUTE, ONKEYPRESS_ATTRIBUTE, ONKEYUP_ATTRIBUTE, ONMOUSEDOWN_ATTRIBUTE, ONMOUSEMOVE_ATTRIBUTE, ONMOUSEOUT_ATTRIBUTE, ONMOUSEOVER_ATTRIBUTE, ONMOUSEUP_ATTRIBUTE, STYLE_ATTRIBUTE, TABINDEX_ATTRIBUTE, TITLE_ATTRIBUTE

Fields inherited from class org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag

NESTED_PATH_VARIABLE_NAME

Fields inherited from class org.springframework.web.servlet.tags.RequestContextAwareTag

logger, REQUEST_CONTEXT_PAGE_ATTRIBUTE

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

pageContext

Fields inherited from interface javax.servlet.jsp.tagext.IterationTag

EVAL_BODY_AGAIN

Fields inherited from interface javax.servlet.jsp.tagext.Tag

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

Constructors

Constructor and Description
HiddenInputTag()

Method Summary

Modifier and Type	Method and Description
boolean	isDisabled() Get the value of the 'disabled' attribute.
protected boolean	isValidDynamicAttribute(String localName, Object value) Flags "type" as an illegal dynamic attribute.
void	setDisabled(boolean disabled) Set the value of the 'disabled' attribute.
protected int	writeTagContent(TagWriter tagWriter) Writes the HTML 'input' tag to the supplied TagWriter including the databound value.

Methods inherited from class org.springframework.web.servlet.tags.form.AbstractHtmlElementTag

getCssClass, getCssErrorClass, getCssStyle, getDir, getDynamicAttributes, getLang, getOnclick, getOndblclick, getOnkeydown, getOnkeypress, getOnkeyup, getOnmousedown, getOnmousemove, getOnmouseout, getOnmouseover, getOnmouseup, getTabindex, getTitle, resolveCssClass, setCssClass, setCssErrorClass, setCssStyle, setDir, setDynamicAttribute, setLang, setOnclick, setOndblclick, setOnkeydown, setOnkeypress, setOnkeyup, setOnmousedown, setOnmousemove, setOnmouseout, setOnmouseover, setOnmouseup, setTabindex, setTitle, writeDefaultAttributes, writeOptionalAttributes

Methods inherited from class org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag

autogenerateId, convertToDisplayString, doFinally, getBindStatus, getBoundValue, getEditor, getId, getName, getNestedPath, getPath, getPropertyEditor, getPropertyPath, processFieldValue, resolveId, setId, setPath

Methods inherited from class org.springframework.web.servlet.tags.form.AbstractFormTag

createTagWriter, doStartTagInternal, evaluate, getDisplayString, getDisplayString, isDefaultHtmlEscape, writeOptionalAttribute

Methods inherited from class org.springframework.web.servlet.tags.HtmlEscapingAwareTag

htmlEscape, isHtmlEscape, isResponseEncodedHtmlEscape, setHtmlEscape

Methods inherited from class org.springframework.web.servlet.tags.RequestContextAwareTag

doCatch, doStartTag, getRequestContext

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

doAfterBody, doEndTag, findAncestorWithClass, getParent, getValue, getValues, release, removeValue, setPageContext, setParent, setValue

Methods inherited from class java.lang.Object

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

Field Detail

DISABLED_ATTRIBUTE

public static final String DISABLED_ATTRIBUTE

The name of the 'disabled' attribute.

See Also:

Constant Field Values

Constructor Detail

HiddenInputTag

public HiddenInputTag()

Method Detail

setDisabled

public void setDisabled(boolean disabled)

Set the value of the 'disabled' attribute. May be a runtime expression.

isDisabled

public boolean isDisabled()

Get the value of the 'disabled' attribute.

isValidDynamicAttribute

protected boolean isValidDynamicAttribute(String localName,
                                          Object value)

Flags "type" as an illegal dynamic attribute.

Overrides:

isValidDynamicAttribute in class AbstractHtmlElementTag

writeTagContent

protected int writeTagContent(TagWriter tagWriter)
                       throws JspException

Writes the HTML 'input' tag to the supplied TagWriter including the databound value.

Specified by:

writeTagContent in class AbstractFormTag

Returns:

valid tag render instruction as per Tag.doStartTag().

Throws:

JspException

See Also:

AbstractHtmlElementTag.writeDefaultAttributes(TagWriter), AbstractDataBoundFormElementTag.getBoundValue()