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The Adobe Experience Manager SDK
There is a newer version: 2024.11.18751.20241128T090041Z-241100
/*
 * ADOBE CONFIDENTIAL
 *
 * Copyright 2009 Adobe Systems Incorporated All Rights Reserved.
 *
 * NOTICE: All information contained herein is, and remains the property of
 * Adobe Systems Incorporated and its suppliers, if any. The intellectual and
 * technical concepts contained herein are proprietary to Adobe Systems
 * Incorporated and its suppliers and may be covered by U.S. and Foreign
 * Patents, patents in process, and are protected by trade secret or copyright
 * law. Dissemination of this information or reproduction of this material
 * is strictly forbidden unless prior written permission is obtained from
 * Adobe Systems Incorporated.
 */
package com.adobe.xfa.dom;

import org.w3c.dom.Node;

import com.adobe.xfa.Element.DualDomNode;

/**
 * Base class for all classes that wrap XFA nodes (e.g., element,
 * processing instruction).  Indeed, the only notable exception to using
 * this as a base is the AttrImpl class, since the XFA class attribute
 * is not derived from the XFA node class.
 * @exclude from published api.
 */
public abstract class XFANodeHolder extends NodeImpl {
	private final com.adobe.xfa.Node mXFANode;

	public com.adobe.xfa.Node getmXFANode() {
		return mXFANode;
	}
	
	XFANodeHolder (ParentNode parent, com.adobe.xfa.Node newNode) {
		super (parent);
		
		// Ensure that we are on the XML side
		if (newNode instanceof com.adobe.xfa.Element.DualDomNode)
			newNode = ((com.adobe.xfa.Element.DualDomNode)newNode).getXmlPeer();
		
		mXFANode = newNode;
	}

	public Node getNextSibling() {
		NodeImpl result = forceNext();
//		debugReturn ("getNextSibling", result);
		return result;
	}

	public Node getPreviousSibling() {
		NodeImpl result = forcePrev();
//		debugReturn ("getPreviousSibling", result);
		return result;
	}

	public boolean isSameNode(Node other) {
		if (! (other instanceof XFANodeHolder)) {
			return false;
		}
		XFANodeHolder otherXFANodeHolder = (XFANodeHolder) other;
		return mXFANode == otherXFANodeHolder.mXFANode;
	}

	XFANodeHolder forceNext () {
		NodeImpl nextNode = getNext();
		if (nextNode != null) {
			assert (nextNode instanceof XFANodeHolder);
			return (XFANodeHolder) nextNode;
		}
		ParentNode parent = getParent();
		return (parent != null) ? parent.forceNext (this) : null;
	}

	XFANodeHolder forcePrev () {
		NodeImpl prevNode = getPrev();
		if (prevNode != null) {
			assert (prevNode instanceof XFANodeHolder);
			return (XFANodeHolder) prevNode;
		}
		ParentNode parent = getParent();
		return (parent != null) ? parent.forcePrev (this) : null;
	}

	final com.adobe.xfa.Node getXFANode () {
		return mXFANode;
	}

	static final com.adobe.xfa.Element getXFAParent (com.adobe.xfa.Node node) {
		com.adobe.xfa.Element parent = node.getXMLParent();
		
		// Jump to the XML DOM, if necessary
		if (parent instanceof DualDomNode)
			parent = (com.adobe.xfa.Element)((DualDomNode)parent).getXmlPeer();
		
		return parent;
	}

	static XFANodeHolder createNode (ParentNode parent, com.adobe.xfa.Node source) {
		
		// Ensure that we are on the XML side
		if (source instanceof com.adobe.xfa.Element.DualDomNode)
			source = ((com.adobe.xfa.Element.DualDomNode)source).getXmlPeer();
		
		if (source instanceof com.adobe.xfa.Chars) {
			return new TextImpl (parent, (com.adobe.xfa.Chars) source);
		} else if (source instanceof com.adobe.xfa.Comment) {
			return new CommentImpl (parent, (com.adobe.xfa.Comment) source);
		} else if (source instanceof com.adobe.xfa.Document) {
			return new DocumentImpl ((com.adobe.xfa.Document) source);
		} else if (source instanceof com.adobe.xfa.Element) {
			return new ElementImpl (parent, (com.adobe.xfa.Element) source);
		} else if (source instanceof com.adobe.xfa.ProcessingInstruction) {
			return new ProcessingInstructionImpl (parent, (com.adobe.xfa.ProcessingInstruction) source);
		}
		assert (false);
		return null;
	}
}