Element (Java SE 9 & JDK 9 )
Keywords: javax.swing.text.html.parser.Element class

Module java.desktop
Package javax.swing.text.html.parser

## Class Element

- java.lang.Object
- - javax.swing.text.html.parser.Element

- All Implemented Interfaces:
    `Serializable`, `DTDConstants`

      public final class Element
      extends Object
      implements DTDConstants, Serializable

  An element as described in a DTD using the ELEMENT construct. This is essential the description of a tag. It describes the type, content model, attributes, attribute types etc. It is used to correctly parse a document by the Parser.
  See Also:
    `DTD`, `AttributeList`, Serialized Form

- - ### Field Summary

    Fields
    Modifier and Type | Field | Description
    --- | --- | ---
    `AttributeList` | `atts` | The attributes
    `ContentModel` | `content` | The content model
    `Object` | `data` | A field to store user data.
    `BitSet` | `exclusions` | The set of elements that must not occur inside the element
    `BitSet` | `inclusions` | The set of elements that can occur inside the element
    `int` | `index` | The element index
    `String` | `name` | The name of the element
    `boolean` | `oEnd` | `true` if the end tag can be omitted
    `boolean` | `oStart` | `true` if the start tag can be omitted
    `int` | `type` | The element type

    - ### Fields inherited from interface javax.swing.text.html.parser.DTDConstants

      `ANY, CDATA, CONREF, CURRENT, DEFAULT, EMPTY, ENDTAG, ENTITIES, ENTITY, FIXED, GENERAL, ID, IDREF, IDREFS, IMPLIED, MD, MODEL, MS, NAME, NAMES, NMTOKEN, NMTOKENS, NOTATION, NUMBER, NUMBERS, NUTOKEN, NUTOKENS, PARAMETER, PI, PUBLIC, RCDATA, REQUIRED, SDATA, STARTTAG, SYSTEM`

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `AttributeList` | `getAttribute​(String name)` | Get an attribute by name.
    `AttributeList` | `getAttributeByValue​(String value)` | Get an attribute by value.
    `AttributeList` | `getAttributes​()` | Get the attributes.
    `ContentModel` | `getContent​()` | Get content model
    `int` | `getIndex​()` | Get index.
    `String` | `getName​()` | Get the name of the element.
    `int` | `getType​()` | Get type.
    `boolean` | `isEmpty​()` | Check if empty
    `static int` | `name2type​(String nm)` | Converts `nm` to type.
    `boolean` | `omitEnd​()` | Return true if the end tag can be omitted.
    `boolean` | `omitStart​()` | Return true if the start tag can be omitted.
    `String` | `toString​()` | Convert to a string.

    - ### Methods inherited from class java.lang.Object

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

- - ### Field Detail

    - #### index

          public int index

      The element index

    - #### name

          public String name

      The name of the element

    - #### oStart

          public boolean oStart

      `true` if the start tag can be omitted

    - #### oEnd

          public boolean oEnd

      `true` if the end tag can be omitted

    - #### inclusions

          public BitSet inclusions

      The set of elements that can occur inside the element

    - #### exclusions

          public BitSet exclusions

      The set of elements that must not occur inside the element

    - #### type

          public int type

      The element type

    - #### content

          public ContentModel content

      The content model

    - #### atts

          public AttributeList atts

      The attributes

    - #### data

          public Object data

      A field to store user data. Mostly used to store style sheets.

  - ### Method Detail

    - #### getName

          public String getName​()

      Get the name of the element.
      Returns:
        the name of the element

    - #### omitStart

          public boolean omitStart​()

      Return true if the start tag can be omitted.
      Returns:
        `true` if the start tag can be omitted

    - #### omitEnd

          public boolean omitEnd​()

      Return true if the end tag can be omitted.
      Returns:
        `true` if the end tag can be omitted

    - #### getType

          public int getType​()

      Get type.
      Returns:
        the type of the element

    - #### getContent

          public ContentModel getContent​()

      Get content model
      Returns:
        the content model

    - #### getAttributes

          public AttributeList getAttributes​()

      Get the attributes.
      Returns:
        the `AttributeList` specifying the element

    - #### getIndex

          public int getIndex​()

      Get index.
      Returns:
        the element index

    - #### isEmpty

          public boolean isEmpty​()

      Check if empty
      Returns:
        true if the current element is empty

    - #### toString

          public String toString​()

      Convert to a string.
      Overrides:
        `toString` in class `Object`
      Returns:
        a string representation for the given `Element` instance

    - #### getAttribute

          public AttributeList getAttribute​(String name)

      Get an attribute by name.
      Parameters:
        `name` - the attribute name
      Returns:
        the `AttributeList` for the given `name`

    - #### getAttributeByValue

          public AttributeList getAttributeByValue​(String value)

      Get an attribute by value.
      Parameters:
        `value` - the string representation of value
      Returns:
        the `AttributeList` for the given `value`

    - #### name2type

          public static int name2type​(String nm)

      Converts `nm` to type. Returns appropriate DTDConstants if the `nm` is equal to CDATA, RCDATA, EMPTY or ANY, 0 otherwise.
      Parameters:
        `nm` - a name
      Returns:
        appropriate DTDConstants if the `nm` is equal to CDATA, RCDATA, EMPTY or ANY, 0 otherwise.