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## org.springframework.web.servlet.tags.form
Class AbstractMultiCheckedElementTag

    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.AbstractMultiCheckedElementTag

All Implemented Interfaces:
  Serializable, IterationTag, JspTag, Tag, TryCatchFinally, EditorAwareTag

Direct Known Subclasses:
  CheckboxesTag, RadioButtonsTag

    public abstract class AbstractMultiCheckedElementTag

extends AbstractCheckedElementTag

Abstract base class to provide common methods for implementing databinding-aware JSP tags for rendering multiple HTML '`input`' elements 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
`AbstractMultiCheckedElementTag()`

Method Summary
`String` | `getDelimiter()` Return the delimiter to be used between each '`input type="radio"`' tag.
`String` | `getElement()` Get the HTML element used to enclose '`input type="checkbox/radio"`' tag.
`protected abstract String` | `getInputType()` Return the type of the HTML input element to generate: "checkbox" or "radio".
`protected String` | `getItemLabel()` Get the value to be displayed as part of the '`input type="checkbox/radio"`' tag.
`protected Object` | `getItems()` Get the `Collection`, `Map` or array of objects used to generate the '`input type="checkbox/radio"`' tags.
`protected String` | `getItemValue()`
`protected String` | `resolveId()` Appends a counter to a specified id as well, since we're dealing with multiple HTML elements.
`void` | `setDelimiter(String delimiter)` Set the delimiter to be used between each '`input type="checkbox/radio"`' tag.
`void` | `setElement(String element)` Set the HTML element used to enclose the '`input type="checkbox/radio"`' tag.
`void` | `setItemLabel(String itemLabel)` Set the value to be displayed as part of the '`input type="checkbox/radio"`' tag.
`void` | `setItems(Object items)` Set the `Collection`, `Map` or array of objects used to generate the '`input type="checkbox/radio"`' tags.
`void` | `setItemValue(String itemValue)` Set the name of the property mapped to the '`value`' attribute of the '`input type="checkbox/radio"`' tag.
`protected int` | `writeTagContent(TagWriter tagWriter)` Renders the '`input type="radio"`' element with the configured `setItems(Object)` values.

Methods inherited from class org.springframework.web.servlet.tags.form.AbstractCheckedElementTag
`autogenerateId, 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, getLang, getOnclick, getOndblclick, getOnkeydown, getOnkeypress, getOnkeyup, getOnmousedown, getOnmousemove, getOnmouseout, getOnmouseover, getOnmouseup, getTabindex, getTitle, resolveCssClass, setCssClass, setCssErrorClass, setCssStyle, setDir, 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
`doFinally, getBindStatus, getBoundValue, getEditor, getId, getName, getNestedPath, getPath, getPropertyEditor, getPropertyPath, 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
`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

### AbstractMultiCheckedElementTag

    public AbstractMultiCheckedElementTag()

Method Detail

### setItems

    public void setItems(Object items)

  Set the `Collection`, `Map` or array of objects used to generate the '`input type="checkbox/radio"`' tags.

  Typically a runtime expression.

  Parameters:
    `items` - said items

### getItems

    protected Object getItems()

  Get the `Collection`, `Map` or array of objects used to generate the '`input type="checkbox/radio"`' tags.

### setItemValue

    public void setItemValue(String itemValue)

  Set the name of the property mapped to the '`value`' attribute of the '`input type="checkbox/radio"`' tag.

  May be a runtime expression.

### getItemValue

    protected String getItemValue()

### setItemLabel

    public void setItemLabel(String itemLabel)

  Set the value to be displayed as part of the '`input type="checkbox/radio"`' tag.

  May be a runtime expression.

### getItemLabel

    protected String getItemLabel()

  Get the value to be displayed as part of the '`input type="checkbox/radio"`' tag.

### setDelimiter

    public void setDelimiter(String delimiter)

  Set the delimiter to be used between each '`input type="checkbox/radio"`' tag.

  By default, there is no delimiter.

### getDelimiter

    public String getDelimiter()

  Return the delimiter to be used between each '`input type="radio"`' tag.

### setElement

    public void setElement(String element)

  Set the HTML element used to enclose the '`input type="checkbox/radio"`' tag.

  Defaults to an HTML '`<span/>`' tag.

### getElement

    public String getElement()

  Get the HTML element used to enclose '`input type="checkbox/radio"`' tag.

### resolveId

    protected String resolveId()
                        throws JspException

  Appends a counter to a specified id as well, since we're dealing with multiple HTML elements.

  Overrides:
    `resolveId` in class `AbstractDataBoundFormElementTag`
  Throws:
    `JspException`
  See Also:
    `AbstractDataBoundFormElementTag.getId()`, `AbstractDataBoundFormElementTag.autogenerateId()`

### writeTagContent

    protected int writeTagContent(TagWriter tagWriter)
                           throws JspException

  Renders the '`input type="radio"`' element with the configured `setItems(Object)` values. 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`

### getInputType

    protected abstract String getInputType()

  Return the type of the HTML input element to generate: "checkbox" or "radio".

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