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	/*
	* reserved comment block
	* DO NOT REMOVE OR ALTER!
	*/
	/*
	* Licensed to the Apache Software Foundation (ASF) under one or more
	* contributor license agreements. See the NOTICE file distributed with
	* this work for additional information regarding copyright ownership.
	* The ASF licenses this file to You under the Apache License, Version 2.0
	* (the "License"); you may not use this file except in compliance with
	* the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.sun.org.apache.xerces.internal.dom;

	import com.sun.org.apache.xerces.internal.util.URI;
	import org.w3c.dom.DOMException;
	import org.w3c.dom.Node;
	import org.w3c.dom.Notation;

	/**
	* Notations are how the Document Type Description (DTD) records hints
	* about the format of an XML "unparsed entity" -- in other words,
	* non-XML data bound to this document type, which some applications
	* may wish to consult when manipulating the document. A Notation
	* represents a name-value pair, with its nodeName being set to the
	* declared name of the notation.
	* <P>
	* Notations are also used to formally declare the "targets" of
	* Processing Instructions.
	* <P>
	* Note that the Notation's data is non-DOM information; the DOM only
	* records what and where it is.
	* <P>
	* See the XML 1.0 spec, sections 4.7 and 2.6, for more info.
	* <P>
	* Level 1 of the DOM does not support editing Notation contents.
	*
	* @xerces.internal
	*
	* @since PR-DOM-Level-1-19980818.
	*/
	public class NotationImpl
	extends NodeImpl
	implements Notation {

	//
	// Constants
	//

	/** Serialization version. */
	static final long serialVersionUID = -764632195890658402L;

	//
	// Data
	//

	/** Notation name. */
	protected String name;

	/** Public identifier. */
	protected String publicId;

	/** System identifier. */
	protected String systemId;

	/** Base URI*/
	protected String baseURI;

	//
	// Constructors
	//

	/** Factory constructor. */
	public NotationImpl(CoreDocumentImpl ownerDoc, String name) {
	super(ownerDoc);
	this.name = name;
	}

	//
	// Node methods
	//

	/**
	* A short integer indicating what type of node this is. The named
	* constants for this value are defined in the org.w3c.dom.Node interface.
	*/
	public short getNodeType() {
	return Node.NOTATION_NODE;
	}

	/**
	* Returns the notation name
	*/
	public String getNodeName() {
	if (needsSyncData()) {
	synchronizeData();
	}
	return name;
	}

	//
	// Notation methods
	//

	/**
	* The Public Identifier for this Notation. If no public identifier
	* was specified, this will be null.
	*/
	public String getPublicId() {

	if (needsSyncData()) {
	synchronizeData();
	}
	return publicId;

	} // getPublicId():String

	/**
	* The System Identifier for this Notation. If no system identifier
	* was specified, this will be null.
	*/
	public String getSystemId() {

	if (needsSyncData()) {
	synchronizeData();
	}
	return systemId;

	} // getSystemId():String

	//
	// Public methods
	//

	/**
	* NON-DOM: The Public Identifier for this Notation. If no public
	* identifier was specified, this will be null.
	*/
	public void setPublicId(String id) {

	if (isReadOnly()) {
	throw new DOMException(
	DOMException.NO_MODIFICATION_ALLOWED_ERR,
	DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NO_MODIFICATION_ALLOWED_ERR", null));
	}
	if (needsSyncData()) {
	synchronizeData();
	}
	publicId = id;

	} // setPublicId(String)

	/**
	* NON-DOM: The System Identifier for this Notation. If no system
	* identifier was specified, this will be null.
	*/
	public void setSystemId(String id) {

	if(isReadOnly()) {
	throw new DOMException(
	DOMException.NO_MODIFICATION_ALLOWED_ERR,
	DOMMessageFormatter.formatMessage(DOMMessageFormatter.DOM_DOMAIN, "NO_MODIFICATION_ALLOWED_ERR", null));
	}
	if (needsSyncData()) {
	synchronizeData();
	}
	systemId = id;

	} // setSystemId(String)


	/**
	* Returns the absolute base URI of this node or null if the implementation
	* wasn't able to obtain an absolute URI. Note: If the URI is malformed, a
	* null is returned.
	*
	* @return The absolute base URI of this node or null.
	* @since DOM Level 3
	*/
	public String getBaseURI() {
	if (needsSyncData()) {
	synchronizeData();
	}
	if (baseURI != null && baseURI.length() != 0 ) {// attribute value is always empty string
	try {
	return new URI(baseURI).toString();
	}
	catch (com.sun.org.apache.xerces.internal.util.URI.MalformedURIException e){
	// REVISIT: what should happen in this case?
	return null;
	}
	}
	return baseURI;
	}

	/** NON-DOM: set base uri*/
	public void setBaseURI(String uri){
	if (needsSyncData()) {
	synchronizeData();
	}
	baseURI = uri;
	}

	} // class NotationImpl

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