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:

  • 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 declared in interface 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
    Modifier and Type
    Field
    Description
    static final int
    ANY
    The DTD constant corresponds to ANY
    static final int
    CDATA
    The DTD constant corresponds to CDATA
    static final int
    CONREF
    The DTD constant corresponds to CONREF
    static final int
    CURRENT
    The DTD constant corresponds to CURRENT
    static final int
    DEFAULT
    The DTD constant corresponds to DEFAULT
    static final int
    EMPTY
    The DTD constant corresponds to EMPTY
    static final int
    ENDTAG
    The DTD constant corresponds to ENDTAG
    static final int
    ENTITIES
    The DTD constant corresponds to ENTITIES
    static final int
    ENTITY
    The DTD constant corresponds to ENTITY
    static final int
    FIXED
    The DTD constant corresponds to FIXED
    static final int
    GENERAL
    The DTD constant corresponds to GENERAL
    static final int
    ID
    The DTD constant corresponds to ID
    static final int
    IDREF
    The DTD constant corresponds to IDREF
    static final int
    IDREFS
    The DTD constant corresponds to IDREFS
    static final int
    IMPLIED
    The DTD constant corresponds to IMPLIED
    static final int
    MD
    The DTD constant corresponds to MD
    static final int
    MODEL
    The DTD constant corresponds to MODEL
    static final int
    MS
    The DTD constant corresponds to MS
    static final int
    NAME
    The DTD constant corresponds to NAME
    static final int
    NAMES
    The DTD constant corresponds to NAMES
    static final int
    NMTOKEN
    The DTD constant corresponds to NMTOKEN
    static final int
    NMTOKENS
    The DTD constant corresponds to NMTOKENS
    static final int
    NOTATION
    The DTD constant corresponds to NOTATION
    static final int
    NUMBER
    The DTD constant corresponds to NUMBER
    static final int
    NUMBERS
    The DTD constant corresponds to NUMBERS
    static final int
    NUTOKEN
    The DTD constant corresponds to NUTOKEN
    static final int
    NUTOKENS
    The DTD constant corresponds to NUTOKENS
    static final int
    PARAMETER
    The DTD constant corresponds to PARAMETER
    static final int
    PI
    The DTD constant corresponds to PI
    static final int
    PUBLIC
    The DTD constant corresponds to PUBLIC
    static final int
    RCDATA
    The DTD constant corresponds to RCDATA
    static final int
    REQUIRED
    The DTD constant corresponds to REQUIRED
    static final int
    SDATA
    The DTD constant corresponds to SDATA
    static final int
    STARTTAG
    The DTD constant corresponds to STARTTAG
    static final int
    SYSTEM
    The DTD constant corresponds to SYSTEM

  • Method Summary

    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 declared in class Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
    Modifier and Type
    Method
    Description
    protected Object
    clone()
    Answers a new instance of the same class as the receiver, whose slots have been filled in with the values in the slots of the receiver.
    boolean
    equals(Object o)
    Compares the argument to the receiver, and answers true if they represent the same object using a class specific comparison.
    protected void
    finalize()
    Deprecated, for removal: This API element is subject to removal in a future version.
    May cause performance issues, deadlocks and hangs.
    final Class<? extends Object>
    getClass()
    Answers the unique instance of java.lang.Class which represents the class of the receiver.
    int
    hashCode()
    Answers an integer hash code for the receiver.
    final void
    notify()
    Causes one thread which is waiting on the receiver to be made ready to run.
    final void
    notifyAll()
    Causes all threads which are waiting on the receiver to be made ready to run.
    final void
    wait()
    Causes the thread which sent this message to be made not ready to run pending some change in the receiver (as indicated by notify or notifyAll).
    final void
    wait(long time)
    Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.
    final void
    wait(long time, int frac)
    Causes the thread which sent this message to be made not ready to run either pending some change in the receiver (as indicated by notify or notifyAll) or the expiration of the timeout.

  • Field Details

    • 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 Details

    • 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.