xref: /AOO41X/main/xmlsecurity/tools/uno/AdapterNode.java (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)

/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

package com.sun.star.xml.security.uno;

import org.w3c.dom.Node;
import org.w3c.dom.Attr;
import org.w3c.dom.NamedNodeMap;


/*
 * This class wraps a DOM node and returns the text we want to
 * display in the tree. It also returns children, index values,
 * and child counts.
 */
class AdapterNode
{
	private Node m_domNode;
	static final int ELEMENT_TYPE =   Node.ELEMENT_NODE;

	/*
	 * An array of names for DOM node-types
	 */
	static final String[] typeName = {
		"none",
		"Element",
		"Attr",
		"Text",
		"CDATA",
		"EntityRef",
		"Entity",
		"ProcInstr",
		"Comment",
		"Document",
		"DocType",
		"DocFragment",
		"Notation",
		};

	protected Node getNode()
	{
		return m_domNode;
	}

	/*
	 * Construct an Adapter node from a DOM node
	 */
	protected AdapterNode(org.w3c.dom.Node node)
	{
		m_domNode = node;
	}

	/*
	 * Return children, index, and count values
	 */
	protected int index(AdapterNode child)
	{
		int count = childCount();
		for (int i=0; i<count; ++i)
		{
			AdapterNode n = this.child(i);
			if (child.m_domNode == n.m_domNode) return i;
		}
		return -1;
	}

	protected AdapterNode child(int searchIndex)
	{
		if (m_domNode == null) return null;

		/*
		 * Note: JTree index is zero-based.
		 */
		org.w3c.dom.Node node =
			m_domNode.getChildNodes().item(searchIndex);

		return new AdapterNode(node);
	}

	protected int childCount()
	{
		int rc = 0;

		if (m_domNode != null)
		{
			rc = m_domNode.getChildNodes().getLength();
		}

		return rc;
	}

	/*
	 * Return a string that identifies this node in the tree
	 */
	public String toString()
	{
		String rc = null;

		if (m_domNode != null)
		{
			String s = typeName[m_domNode.getNodeType()];
			String nodeName = m_domNode.getNodeName();

			if (! nodeName.startsWith("#"))
			{
				s += ": " + nodeName;
			}

			if (m_domNode.getNodeValue() != null)
			{
				if (s.startsWith("ProcInstr"))
				{
					s += ", ";
				}
				else
				{
					s += ": ";
				}

				String t = m_domNode.getNodeValue();
				s += t;
			}

			if (m_domNode.getNodeType() == ELEMENT_TYPE)
			{
				NamedNodeMap attrs = m_domNode.getAttributes();

				int length = attrs.getLength();
				for (int i=0; i<length; ++i)
				{
					Attr attr = (Attr)(attrs.item(i));
					s += " "+ attr.getName()+"='"+attr.getValue() + "'";
				}
			}
			rc = s;
		}

		return rc;
	}
}