org.springframework.web.servlet.tags.form

## Class AbstractSingleCheckedElementTag

- 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.AbstractHtmlInputElementTag
              - - org.springframework.web.servlet.tags.form.AbstractCheckedElementTag
                - - org.springframework.web.servlet.tags.form.AbstractSingleCheckedElementTag

- All Implemented Interfaces:
    Serializable, DynamicAttributes, IterationTag, JspTag, Tag, TryCatchFinally, EditorAwareTag
  Direct Known Subclasses:
    CheckboxTag, RadioButtonTag

      public abstract class AbstractSingleCheckedElementTag
      extends AbstractCheckedElementTag

  Abstract base class to provide common methods for implementing databinding-aware JSP tags for rendering a single HTML '`input`' element with a '`type`' of '`checkbox`' or '`radio`'.
  Since:
    2.5.2
  Author:
    Juergen Hoeller
  See Also:
    Serialized Form

- - ### Field Summary

    - ### Fields inherited from class org.springframework.web.servlet.tags.form.AbstractHtmlInputElementTag

      `ACCESSKEY_ATTRIBUTE, DISABLED_ATTRIBUTE, ONBLUR_ATTRIBUTE, ONCHANGE_ATTRIBUTE, ONFOCUS_ATTRIBUTE, READONLY_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

      `COMMAND_NAME_VARIABLE_NAME, 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
    `AbstractSingleCheckedElementTag()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected Object` | `getLabel()` Get the value of the '`label`' attribute.
    `protected Object` | `getValue()` Get the value of the '`value`' attribute.
    `void` | `setLabel(Object label)` Set the value of the '`label`' attribute.
    `void` | `setValue(Object value)` Set the value of the '`value`' attribute.
    `protected int` | `writeTagContent(TagWriter tagWriter)` Renders the '`input(radio)`' element with the configured `value`.
    `protected abstract void` | `writeTagDetails(TagWriter tagWriter)` Write the details for the given primary tag: i.e.

    - ### Methods inherited from class org.springframework.web.servlet.tags.form.AbstractCheckedElementTag

      `autogenerateId, getInputType, isValidDynamicAttribute, renderFromBoolean, renderFromValue, renderFromValue`

    - ### Methods inherited from class org.springframework.web.servlet.tags.form.AbstractHtmlInputElementTag

      `getAccesskey, getDisabled, getOnblur, getOnchange, getOnfocus, getReadonly, isDisabled, isReadonly, setAccesskey, setDisabled, setOnblur, setOnchange, setOnfocus, setReadonly, writeOptionalAttributes`

    - ### 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`

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

      `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, evaluateBoolean, getDisplayString, getDisplayString, isDefaultHtmlEscape, writeOptionalAttribute`

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

      `isHtmlEscape, 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`

- - ### Constructor Detail

    - #### AbstractSingleCheckedElementTag

          public AbstractSingleCheckedElementTag()

  - ### Method Detail

    - #### setValue

          public void setValue(Object value)

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

    - #### getValue

          protected Object getValue()

      Get the value of the '`value`' attribute.

    - #### setLabel

          public void setLabel(Object label)

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

    - #### getLabel

          protected Object getLabel()

      Get the value of the '`label`' attribute.

    - #### writeTagContent

          protected int writeTagContent(TagWriter tagWriter)
                                 throws JspException

      Renders the '`input(radio)`' element with the configured `value`. Marks the element as checked if the value matches the `bound value`.
      Specified by:
        `writeTagContent` in class `AbstractCheckedElementTag`
      Returns:
        valid tag render instruction as per `Tag.doStartTag()`.
      Throws:
        `JspException`

    - #### writeTagDetails

          protected abstract void writeTagDetails(TagWriter tagWriter)
                                           throws JspException

      Write the details for the given primary tag: i.e. special attributes and the tag's value.
      Throws:
        `JspException`