Methods Summary |
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public org.w3c.dom.Node | cloneNode(boolean deep)
HTMLDocumentImpl newdoc = new HTMLDocumentImpl();
callUserDataHandlers(this, newdoc, UserDataHandler.NODE_CLONED);
cloneNode(newdoc, deep);
return newdoc;
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public void | close()
// ! NOT IMPLEMENTED, REQUIRES PARSER !
if ( _writer != null )
{
_writer = null;
}
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public org.w3c.dom.Attr | createAttribute(java.lang.String name)Creates an Attribute having this Document as its OwnerDoc.
Overrides {@link DocumentImpl#createAttribute} and returns
and attribute whose name is lower case.
return super.createAttribute( name.toLowerCase(Locale.ENGLISH) );
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public org.w3c.dom.Element | createElement(java.lang.String tagName)
Class elemClass;
Constructor cnst;
// First, make sure tag name is all upper case, next get the associated
// element class. If no class is found, generate a generic HTML element.
// Do so also if an unexpected exception occurs.
tagName = tagName.toUpperCase(Locale.ENGLISH);
elemClass = (Class) _elementTypesHTML.get( tagName );
if ( elemClass != null )
{
// Get the constructor for the element. The signature specifies an
// owner document and a tag name. Use the constructor to instantiate
// a new object and return it.
try
{
cnst = elemClass.getConstructor( _elemClassSigHTML );
return (Element) cnst.newInstance( new Object[] { this, tagName } );
}
catch ( Exception except )
{
/*
Throwable thrw;
if ( except instanceof java.lang.reflect.InvocationTargetException )
thrw = ( (java.lang.reflect.InvocationTargetException) except ).getTargetException();
else
thrw = except;
System.out.println( "Exception " + thrw.getClass().getName() );
System.out.println( thrw.getMessage() );
*/
throw new IllegalStateException( "HTM15 Tag '" + tagName + "' associated with an Element class that failed to construct.\n" + tagName);
}
}
return new HTMLElementImpl( this, tagName );
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public org.w3c.dom.Element | createElementNS(java.lang.String namespaceURI, java.lang.String qualifiedName, java.lang.String localpart)Xerces-specific constructor. "localName" is passed in, so we don't need
to create a new String for it.
return createElementNS(namespaceURI, qualifiedName);
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public org.w3c.dom.Element | createElementNS(java.lang.String namespaceURI, java.lang.String qualifiedName)
if ( namespaceURI == null || namespaceURI.length() == 0 ) {
return createElement( qualifiedName );
}
return super.createElementNS( namespaceURI, qualifiedName );
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public org.w3c.dom.html.HTMLCollection | getAnchors()
// For more information see HTMLCollection#collectionMatch
if ( _anchors == null )
_anchors = new HTMLCollectionImpl( getBody(), HTMLCollectionImpl.ANCHOR );
return _anchors;
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public org.w3c.dom.html.HTMLCollection | getApplets()
// For more information see HTMLCollection#collectionMatch
if ( _applets == null )
_applets = new HTMLCollectionImpl( getBody(), HTMLCollectionImpl.APPLET );
return _applets;
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public synchronized org.w3c.dom.html.HTMLElement | getBody()
Node html;
Node head;
Node body;
Node child;
Node next;
// Call getDocumentElement() to get the HTML element that is also the
// top-level element in the document. Get the first element in the
// document that is called BODY. Work with that.
html = getDocumentElement();
head = getHead();
synchronized ( html )
{
body = head.getNextSibling();
while ( body != null && ! ( body instanceof HTMLBodyElement )
&& ! ( body instanceof HTMLFrameSetElement ) )
body = body.getNextSibling();
// BODY/FRAMESET exists but might not be second element in HTML
// (after HEAD): make sure it is and return it.
if ( body != null )
{
synchronized ( body )
{
child = head.getNextSibling();
while ( child != null && child != body )
{
next = child.getNextSibling();
body.insertBefore( child, body.getFirstChild() );
child = next;
}
}
return (HTMLElement) body;
}
// BODY does not exist, create a new one, place it in the HTML element
// right after the HEAD and return it.
body = new HTMLBodyElementImpl( this, "BODY" );
html.appendChild( body );
}
return (HTMLElement) body;
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public java.lang.String | getCookie()
// Information not available on server side.
return null;
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public synchronized org.w3c.dom.Element | getDocumentElement()
Node html;
Node child;
Node next;
// The document element is the top-level HTML element of the HTML
// document. Only this element should exist at the top level.
// If the HTML element is found, all other elements that might
// precede it are placed inside the HTML element.
html = getFirstChild();
while ( html != null )
{
if ( html instanceof HTMLHtmlElement )
{
// REVISIT: [Q] Why is this code even here? In fact, the
// original code is in error because it will
// try to move ALL nodes to be children of the
// HTML tag. This is not the intended behavior
// for comments and processing instructions
// outside the root element; it will throw a
// hierarchy request error exception for doctype
// nodes; *and* this code shouldn't even be
// needed because the parser should never build
// a document that contains more than a single
// root element, anyway! -Ac
/***
synchronized ( html )
{
child = getFirstChild();
while ( child != null && child != html )
{
next = child.getNextSibling();
html.appendChild( child );
child = next;
}
}
/***/
return (HTMLElement) html;
}
html = html.getNextSibling();
}
// HTML element must exist. Create a new element and dump the
// entire contents of the document into it in the same order as
// they appear now.
html = new HTMLHtmlElementImpl( this, "HTML" );
child = getFirstChild();
while ( child != null )
{
next = child.getNextSibling();
html.appendChild( child );
child = next;
}
appendChild( html );
return (HTMLElement) html;
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public java.lang.String | getDomain()
// Information not available on server side.
return null;
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private org.w3c.dom.Element | getElementById(java.lang.String elementId, org.w3c.dom.Node node)Recursive method retreives an element by its id attribute.
Called by {@link #getElementById(String)}.
Node child;
Element result;
child = node.getFirstChild();
while ( child != null )
{
if ( child instanceof Element )
{
if ( elementId.equals( ( (Element) child ).getAttribute( "id" ) ) )
return (Element) child;
result = getElementById( elementId, child );
if ( result != null )
return result;
}
child = child.getNextSibling();
}
return null;
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public synchronized org.w3c.dom.Element | getElementById(java.lang.String elementId)
Element idElement = super.getElementById(elementId);
if (idElement != null) {
return idElement;
}
return getElementById( elementId, this );
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public org.w3c.dom.NodeList | getElementsByName(java.lang.String elementName)
return new NameNodeListImpl( this, elementName );
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public final org.w3c.dom.NodeList | getElementsByTagName(java.lang.String tagName)
return super.getElementsByTagName( tagName.toUpperCase(Locale.ENGLISH) );
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public final org.w3c.dom.NodeList | getElementsByTagNameNS(java.lang.String namespaceURI, java.lang.String localName)
if ( namespaceURI != null && namespaceURI.length() > 0 ) {
return super.getElementsByTagNameNS( namespaceURI, localName.toUpperCase(Locale.ENGLISH) );
}
return super.getElementsByTagName( localName.toUpperCase(Locale.ENGLISH) );
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public org.w3c.dom.html.HTMLCollection | getForms()
// For more information see HTMLCollection#collectionMatch
if ( _forms == null )
_forms = new HTMLCollectionImpl( getBody(), HTMLCollectionImpl.FORM );
return _forms;
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public synchronized org.w3c.dom.html.HTMLElement | getHead()Obtains the <HEAD> element in the document, creating one if does
not exist before. The <HEAD> element is the first element in the
<HTML> in the document. The <HTML> element is obtained by
calling {@link #getDocumentElement}. If the element does not exist, one
is created.
Called by {@link #getTitle}, {@link #setTitle}, {@link #getBody} and
{@link #setBody} to assure the document has the <HEAD> element
correctly placed.
Node head;
Node html;
Node child;
Node next;
// Call getDocumentElement() to get the HTML element that is also the
// top-level element in the document. Get the first element in the
// document that is called HEAD. Work with that.
html = getDocumentElement();
synchronized ( html )
{
head = html.getFirstChild();
while ( head != null && ! ( head instanceof HTMLHeadElement ) )
head = head.getNextSibling();
// HEAD exists but might not be first element in HTML: make sure
// it is and return it.
if ( head != null )
{
synchronized ( head )
{
child = html.getFirstChild();
while ( child != null && child != head )
{
next = child.getNextSibling();
head.insertBefore( child, head.getFirstChild() );
child = next;
}
}
return (HTMLElement) head;
}
// Head does not exist, create a new one, place it at the top of the
// HTML element and return it.
head = new HTMLHeadElementImpl( this, "HEAD" );
html.insertBefore( head, html.getFirstChild() );
}
return (HTMLElement) head;
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public org.w3c.dom.html.HTMLCollection | getImages()
// For more information see HTMLCollection#collectionMatch
if ( _images == null )
_images = new HTMLCollectionImpl( getBody(), HTMLCollectionImpl.IMAGE );
return _images;
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public org.w3c.dom.html.HTMLCollection | getLinks()
// For more information see HTMLCollection#collectionMatch
if ( _links == null )
_links = new HTMLCollectionImpl( getBody(), HTMLCollectionImpl.LINK );
return _links;
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public java.lang.String | getReferrer()
// Information not available on server side.
return null;
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public synchronized java.lang.String | getTitle()
HTMLElement head;
NodeList list;
Node title;
// Get the HEAD element and look for the TITLE element within.
// When found, make sure the TITLE is a direct child of HEAD,
// and return the title's text (the Text node contained within).
head = getHead();
list = head.getElementsByTagName( "TITLE" );
if ( list.getLength() > 0 ) {
title = list.item( 0 );
return ( (HTMLTitleElement) title ).getText();
}
// No TITLE found, return an empty string.
return "";
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public java.lang.String | getURL()
// Information not available on server side.
return null;
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public void | open()
// When called an in-memory is prepared. The document tree is still
// accessible the old way, until this writer is closed.
if ( _writer == null )
_writer = new StringWriter();
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private static void | populateElementType(java.lang.String tagName, java.lang.String className)
try {
_elementTypesHTML.put( tagName,
ObjectFactory.findProviderClass("org.apache.html.dom." + className,
HTMLDocumentImpl.class.getClassLoader(), true) );
} catch ( Exception except ) {
new RuntimeException( "HTM019 OpenXML Error: Could not find or execute class " + className + " implementing HTML element " + tagName
+ "\n" + className + "\t" + tagName);
}
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private static synchronized void | populateElementTypes()Called by the constructor to populate the element types list (see {@link
#_elementTypesHTML}). Will be called multiple times but populate the list
only the first time. Replacement for static constructor.
// This class looks like it is due to some strange
// (read: inconsistent) JVM bugs.
// Initially all this code was placed in the static constructor,
// but that caused some early JVMs (1.1) to go mad, and if a
// class could not be found (as happened during development),
// the JVM would die.
// Bertrand Delacretaz <bdelacretaz@worldcom.ch> pointed out
// several configurations where HTMLAnchorElementImpl.class
// failed, forcing me to revert back to Class.forName().
if ( _elementTypesHTML != null )
return;
_elementTypesHTML = new Hashtable( 63 );
populateElementType( "A", "HTMLAnchorElementImpl" );
populateElementType( "APPLET", "HTMLAppletElementImpl" );
populateElementType( "AREA", "HTMLAreaElementImpl" );
populateElementType( "BASE", "HTMLBaseElementImpl" );
populateElementType( "BASEFONT", "HTMLBaseFontElementImpl" );
populateElementType( "BLOCKQUOTE", "HTMLQuoteElementImpl" );
populateElementType( "BODY", "HTMLBodyElementImpl" );
populateElementType( "BR", "HTMLBRElementImpl" );
populateElementType( "BUTTON", "HTMLButtonElementImpl" );
populateElementType( "DEL", "HTMLModElementImpl" );
populateElementType( "DIR", "HTMLDirectoryElementImpl" );
populateElementType( "DIV", "HTMLDivElementImpl" );
populateElementType( "DL", "HTMLDListElementImpl" );
populateElementType( "FIELDSET", "HTMLFieldSetElementImpl" );
populateElementType( "FONT", "HTMLFontElementImpl" );
populateElementType( "FORM", "HTMLFormElementImpl" );
populateElementType( "FRAME","HTMLFrameElementImpl" );
populateElementType( "FRAMESET", "HTMLFrameSetElementImpl" );
populateElementType( "HEAD", "HTMLHeadElementImpl" );
populateElementType( "H1", "HTMLHeadingElementImpl" );
populateElementType( "H2", "HTMLHeadingElementImpl" );
populateElementType( "H3", "HTMLHeadingElementImpl" );
populateElementType( "H4", "HTMLHeadingElementImpl" );
populateElementType( "H5", "HTMLHeadingElementImpl" );
populateElementType( "H6", "HTMLHeadingElementImpl" );
populateElementType( "HR", "HTMLHRElementImpl" );
populateElementType( "HTML", "HTMLHtmlElementImpl" );
populateElementType( "IFRAME", "HTMLIFrameElementImpl" );
populateElementType( "IMG", "HTMLImageElementImpl" );
populateElementType( "INPUT", "HTMLInputElementImpl" );
populateElementType( "INS", "HTMLModElementImpl" );
populateElementType( "ISINDEX", "HTMLIsIndexElementImpl" );
populateElementType( "LABEL", "HTMLLabelElementImpl" );
populateElementType( "LEGEND", "HTMLLegendElementImpl" );
populateElementType( "LI", "HTMLLIElementImpl" );
populateElementType( "LINK", "HTMLLinkElementImpl" );
populateElementType( "MAP", "HTMLMapElementImpl" );
populateElementType( "MENU", "HTMLMenuElementImpl" );
populateElementType( "META", "HTMLMetaElementImpl" );
populateElementType( "OBJECT", "HTMLObjectElementImpl" );
populateElementType( "OL", "HTMLOListElementImpl" );
populateElementType( "OPTGROUP", "HTMLOptGroupElementImpl" );
populateElementType( "OPTION", "HTMLOptionElementImpl" );
populateElementType( "P", "HTMLParagraphElementImpl" );
populateElementType( "PARAM", "HTMLParamElementImpl" );
populateElementType( "PRE", "HTMLPreElementImpl" );
populateElementType( "Q", "HTMLQuoteElementImpl" );
populateElementType( "SCRIPT", "HTMLScriptElementImpl" );
populateElementType( "SELECT", "HTMLSelectElementImpl" );
populateElementType( "STYLE", "HTMLStyleElementImpl" );
populateElementType( "TABLE", "HTMLTableElementImpl" );
populateElementType( "CAPTION", "HTMLTableCaptionElementImpl" );
populateElementType( "TD", "HTMLTableCellElementImpl" );
populateElementType( "TH", "HTMLTableCellElementImpl" );
populateElementType( "COL", "HTMLTableColElementImpl" );
populateElementType( "COLGROUP", "HTMLTableColElementImpl" );
populateElementType( "TR", "HTMLTableRowElementImpl" );
populateElementType( "TBODY", "HTMLTableSectionElementImpl" );
populateElementType( "THEAD", "HTMLTableSectionElementImpl" );
populateElementType( "TFOOT", "HTMLTableSectionElementImpl" );
populateElementType( "TEXTAREA", "HTMLTextAreaElementImpl" );
populateElementType( "TITLE", "HTMLTitleElementImpl" );
populateElementType( "UL", "HTMLUListElementImpl" );
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public synchronized void | setBody(org.w3c.dom.html.HTMLElement newBody)
Node html;
Node body;
Node head;
Node child;
NodeList list;
synchronized ( newBody )
{
// Call getDocumentElement() to get the HTML element that is also the
// top-level element in the document. Get the first element in the
// document that is called BODY. Work with that.
html = getDocumentElement();
head = getHead();
synchronized ( html )
{
list = this.getElementsByTagName( "BODY" );
if ( list.getLength() > 0 ) {
// BODY exists but might not follow HEAD in HTML. If not,
// make it so and replce it. Start with the HEAD and make
// sure the BODY is the first element after the HEAD.
body = list.item( 0 );
synchronized ( body )
{
child = head;
while ( child != null )
{
if ( child instanceof Element )
{
if ( child != body )
html.insertBefore( newBody, child );
else
html.replaceChild( newBody, body );
return;
}
child = child.getNextSibling();
}
html.appendChild( newBody );
}
return;
}
// BODY does not exist, place it in the HTML element
// right after the HEAD.
html.appendChild( newBody );
}
}
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public void | setCookie(java.lang.String cookie)
// Information not available on server side.
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public synchronized void | setTitle(java.lang.String newTitle)
HTMLElement head;
NodeList list;
Node title;
// Get the HEAD element and look for the TITLE element within.
// When found, make sure the TITLE is a direct child of HEAD,
// and set the title's text (the Text node contained within).
head = getHead();
list = head.getElementsByTagName( "TITLE" );
if ( list.getLength() > 0 ) {
title = list.item( 0 );
if ( title.getParentNode() != head )
head.appendChild( title );
( (HTMLTitleElement) title ).setText( newTitle );
}
else
{
// No TITLE found, create a new element and place it at the end
// of the HEAD element.
title = new HTMLTitleElementImpl( this, "TITLE" );
( (HTMLTitleElement) title ).setText( newTitle );
head.appendChild( title );
}
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public void | write(java.lang.String text)
// Write a string into the in-memory writer.
if ( _writer != null )
_writer.write( text );
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public void | writeln(java.lang.String text)
// Write a line into the in-memory writer.
if ( _writer != null )
_writer.write( text + "\n" );
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