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javax.swing.text.html.parser
Class DTD

java.lang.Object
  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

Modifier and Type	Field and Description
Element	applet
Element	base
Element	body
Hashtable<String,Element>	elementHash
Vector<Element>	elements
Hashtable<Object,Entity>	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

Modifier	Constructor and Description
protected	DTD(String name) Creates a new DTD with the specified name.

Method Summary

Modifier and Type	Method and Description
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) Defines attributes for an Element.
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<Element> elements

elementHash

public Hashtable<String,Element> elementHash

entityHash

public Hashtable<Object,Entity> 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 - true if start should be omitted

omitEnd - 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)

Defines attributes for an Element.

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