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javax.swing.text.html.parser
Class DTD


java.lang.Object
  extended by javax.swing.text.html.parser.DTD
All Implemented Interfaces:
DTDConstants

public class DTD
extends Object
implements DTDConstants

The representation of an SGML DTD. DTD describes a document syntax and is used in parsing of HTML documents. It contains a list of elements and their attributes as well as a list of entities defined in the DTD.

See Also:
Element , AttributeList , ContentModel , Parser

Field Summary
  Element applet
           
  Element base
           
  Element body
           
  Hashtable elementHash
           
  Vector elements
           
  Hashtable entityHash
           
static int FILE_VERSION
           
  Element head
           
  Element html
           
  Element isindex
           
  Element meta
           
  String name
           
  Element p
           
  Element param
           
  Element pcdata
           
  Element title
           
 
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
 
Constructor Summary
protected DTD ( String  name)
          Creates a new DTD with the specified name.
 
Method Summary
protected   AttributeList defAttributeList ( String  name, int type, int modifier, String  value, String  values, AttributeList  atts)
          Creates and returns an AttributeList.
protected   ContentModel defContentModel (int type, Object  obj, ContentModel  next)
          Creates and returns a new content model.
protected   Element defElement ( String  name, int type, boolean omitStart, boolean omitEnd, ContentModel  content, String [] exclusions, String [] inclusions, AttributeList  atts)
          Creates and returns an Element.
  Entity defEntity ( String  name, int type, int ch)
          Creates and returns a character Entity.
protected   Entity defEntity ( String  name, int type, String  str)
          Creates and returns an Entity.
 void defineAttributes ( String  name, AttributeList  atts)
          Returns the Element which matches the specified AttributeList.
  Element defineElement ( String  name, int type, boolean omitStart, boolean omitEnd, ContentModel  content, BitSet  exclusions, BitSet  inclusions, AttributeList  atts)
          Returns the Element which matches the specified parameters.
  Entity defineEntity ( String  name, int type, char[] data)
          Defines an entity.
static  DTD getDTD ( String  name)
          Returns a DTD with the specified name.
  Element getElement (int index)
          Gets an element by index.
  Element getElement ( String  name)
          Gets an element by name.
  Entity getEntity (int ch)
          Gets a character entity.
  Entity getEntity ( String  name)
          Gets an entity by name.
  String getName ()
          Gets the name of the DTD.
static void putDTDHash ( String  name, DTD  dtd)
           
 void read ( DataInputStream  in)
          Recreates a DTD from an archived format.
  String toString ()
          Returns a string representation of this DTD.
 
Methods inherited from class java.lang. Object
clone , equals , finalize , getClass , hashCode , notify , notifyAll , wait , wait , wait
 

Field Detail

name


public String name

elements


public Vector elements

elementHash


public Hashtable elementHash

entityHash


public Hashtable entityHash

pcdata


public final Element pcdata

html


public final Element html

meta


public final Element meta

base


public final Element base

isindex


public final Element isindex

head


public final Element head

body


public final Element body

applet


public final Element applet

param


public final Element param

p


public final Element p

title


public final Element title

FILE_VERSION


public static final int FILE_VERSION
See Also:
Constant Field Values
Constructor Detail

DTD


protected DTD(String name)
Creates a new DTD with the specified name.

Parameters:
name - the name, as a String of the new DTD
Method Detail

getName


public String getName()
Gets the name of the DTD.

Returns:
the name of the DTD

getEntity


public Entity getEntity(String name)
Gets an entity by name.

Returns:
the Entity corresponding to the name String

getEntity


public Entity getEntity(int ch)
Gets a character entity.

Returns:
the Entity corresponding to the ch character

getElement


public Element getElement(String name)
Gets an element by name. A new element is created if the element doesn't exist.

Parameters:
name - the requested String
Returns:
the Element corresponding to name, which may be newly created

getElement


public Element getElement(int index)
Gets an element by index.

Parameters:
index - the requested index
Returns:
the Element corresponding to index

defineEntity


public Entity defineEntity(String name,
                           int type,
                           char[] data)
Defines an entity. If the Entity specified by name, type, and data exists, it is returned; otherwise a new Entity is created and is returned.

Parameters:
name - the name of the Entity as a String
type - the type of the Entity
data - the Entity's data
Returns:
the Entity requested or a new Entity if not found

defineElement


public Element defineElement(String name,
                             int type,
                             boolean omitStart,
                             boolean omitEnd,
                             ContentModel content,
                             BitSet exclusions,
                             BitSet inclusions,
                             AttributeList atts)
Returns the Element which matches the specified parameters. If one doesn't exist, a new one is created and returned.

Parameters:
name - the name of the Element
type - the type of the Element
omitStart - trueomitEnd - true if end should be omitted
content - the ContentModel
atts - the AttributeList specifying the Element
Returns:
the Element specified

defineAttributes


public void defineAttributes(String name,
                             AttributeList atts)
Returns the Element which matches the specified AttributeList. If one doesn't exist, a new one is created and returned.

Parameters:
name - the name of the Element
atts - the AttributeList specifying the Element

defEntity


public Entity defEntity(String name,
                        int type,
                        int ch)
Creates and returns a character Entity.

Parameters:
name - the entity's name
Returns:
the new character Entity

defEntity


protected Entity defEntity(String name,
                           int type,
                           String str)
Creates and returns an Entity.

Parameters:
name - the entity's name
Returns:
the new Entity

defElement


protected Element defElement(String name,
                             int type,
                             boolean omitStart,
                             boolean omitEnd,
                             ContentModel content,
                             String[] exclusions,
                             String[] inclusions,
                             AttributeList atts)
Creates and returns an Element.

Parameters:
name - the element's name
Returns:
the new Element

defAttributeList


protected AttributeList defAttributeList(String name,
                                         int type,
                                         int modifier,
                                         String value,
                                         String values,
                                         AttributeList atts)
Creates and returns an AttributeList.

Parameters:
name - the attribute list's name
Returns:
the new AttributeList

defContentModel


protected ContentModel defContentModel(int type,
                                       Object obj,
                                       ContentModel next)
Creates and returns a new content model.

Parameters:
type - the type of the new content model
Returns:
the new ContentModel

toString


public String toString()
Returns a string representation of this DTD.

Overrides:
toString in class Object
Returns:
the string representation of this DTD

putDTDHash


public static void putDTDHash(String name,
                              DTD dtd)

getDTD


public static DTD getDTD(String name)
                  throws IOException
Returns a DTD with the specified name. If a DTD with that name doesn't exist, one is created and returned. Any uppercase characters in the name are converted to lowercase.

Parameters:
name - the name of the DTD
Returns:
the DTD which corresponds to name
Throws:
IOException

read


public void read(DataInputStream in)
          throws IOException
Recreates a DTD from an archived format.

Parameters:
in - the DataInputStream to read from
Throws:
IOException