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package com.sun.org.apache.xerces.internal.dom;
import org.w3c.dom.NamedNodeMap;
/**
* Elements represent most of the "markup" and structure of the
* document. They contain both the data for the element itself
* (element name and attributes), and any contained nodes, including
* document text (as children).
*
* Elements may have Attributes associated with them; the API for this is
* defined in Node, but the function is implemented here. In general, XML
* applications should retrive Attributes as Nodes, since they may contain
* entity references and hence be a fairly complex sub-tree. HTML users will
* be dealing with simple string values, and convenience methods are provided
* to work in terms of Strings.
*
* DeferredElementImpl inherits from ElementImpl which does not support
* Namespaces. DeferredElementNSImpl, which inherits from ElementNSImpl, does.
* @see DeferredElementNSImpl
*
* @xerces.internal
*
* @version $Id: DeferredElementImpl.java,v 1.6 2010-11-01 04:39:38 joehw Exp $
* @since PR-DOM-Level-1-19980818.
*/
public class DeferredElementImpl
extends ElementImpl
implements DeferredNode {
//
// Constants
//
/** Serialization version. */
static final long serialVersionUID = -7670981133940934842L;
//
// Data
//
/** Node index. */
protected transient int fNodeIndex;
//
// Constructors
//
/**
* This is the deferred constructor. Only the fNodeIndex is given here. All
* other data, can be requested from the ownerDocument via the index.
*/
DeferredElementImpl(DeferredDocumentImpl ownerDoc, int nodeIndex) {
super(ownerDoc, null);
fNodeIndex = nodeIndex;
needsSyncChildren(true);
} // (DocumentImpl,int)
//
// DeferredNode methods
//
/** Returns the node index. */
public final int getNodeIndex() {
return fNodeIndex;
}
//
// Protected methods
//
/** Synchronizes the data (name and value) for fast nodes. */
protected final void synchronizeData() {
// no need to sync in the future
needsSyncData(false);
// fluff data
DeferredDocumentImpl ownerDocument =
(DeferredDocumentImpl)this.ownerDocument;
// we don't want to generate any event for this so turn them off
boolean orig = ownerDocument.mutationEvents;
ownerDocument.mutationEvents = false;
name = ownerDocument.getNodeName(fNodeIndex);
// attributes
setupDefaultAttributes();
int index = ownerDocument.getNodeExtra(fNodeIndex);
if (index != -1) {
NamedNodeMap attrs = getAttributes();
do {
NodeImpl attr = (NodeImpl)ownerDocument.getNodeObject(index);
attrs.setNamedItem(attr);
index = ownerDocument.getPrevSibling(index);
} while (index != -1);
}
// set mutation events flag back to its original value
ownerDocument.mutationEvents = orig;
} // synchronizeData()
protected final void synchronizeChildren() {
DeferredDocumentImpl ownerDocument =
(DeferredDocumentImpl) ownerDocument();
ownerDocument.synchronizeChildren(this, fNodeIndex);
} // synchronizeChildren()
} // class DeferredElementImpl