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/*
* $Id: DomEntity.java,v 1.1 2003-02-01 02:10:15 cbj Exp $
* Copyright (C) 1999-2001 David Brownell
*
* This file is part of GNU JAXP, a library.
*
* GNU JAXP is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GNU JAXP 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* As a special exception, if you link this library with other files to
* produce an executable, this library does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* This exception does not however invalidate any other reasons why the
* executable file might be covered by the GNU General Public License.
*/
package gnu.xml.dom;
import org.w3c.dom.*;
// $Id: DomEntity.java,v 1.1 2003-02-01 02:10:15 cbj Exp $
/**
* <p> "Entity" implementation. This is a non-core DOM class, supporting the
* "XML" feature. There are two types of entities, neither of which works
* particularly well in this API:</p><dl>
*
* <dt><em>Unparsed Entities</em></dt>
* <dd>Since ENTITY/ENTITIES attributes, the only legal use of unparsed
* entities in XML, can't be detected with DOM, there isn't much point in
* trying to use unparsed entities in DOM applications. (XML Linking is
* working to provide a better version of this functionality.) </dd>
*
* <dt><em>Parsed Entities</em></dt>
* <dd> While the DOM specification permits nodes for parsed entities
* to have a readonly set of children, this is not required and there
* is no portable way to provide such children. <em>This implementation
* currently does not permit children to be added to Entities.</em>
* There are related issues with the use of EntityReference nodes. </dd>
*
* </dl>
*
* <p> In short, <em>avoid using this DOM functionality</em>.
*
* @see DomDoctype
* @see DomEntityReference
* @see DomNotation
*
* @author David Brownell
* @version $Date: 2003-02-01 02:10:15 $
*/
public class DomEntity extends DomExtern implements Entity
{
private String notation;
/**
* Constructs an Entity node associated with the specified document,
* with the specified descriptive data.
*
* <p>This constructor should only be invoked by a DomDoctype as part
* of its declareEntity functionality, or through a subclass which is
* similarly used in a "Sub-DOM" style layer.
*
* @param owner The document with which this entity is associated
* @param name Name of this entity
* @param publicId If non-null, provides the entity's PUBLIC identifier
* @param systemId Provides the entity's SYSTEM identifier (URI)
* @param notation If non-null, provides the unparsed entity's notation.
*/
protected DomEntity (
Document owner,
String name,
String publicId,
String systemId,
String notation
)
{
super (owner, name, publicId, systemId);
this.notation = notation;
// NOTE: if notation == null, this is a parsed entity
// which could reasonably be given child nodes ...
makeReadonly ();
}
/**
* <b>DOM L1</b>
* Returns the NOTATION identifier associated with this entity, if any.
*/
final public String getNotationName ()
{
return notation;
}
/**
* <b>DOM L1</b>
* Returns the constant ENTITY_NODE.
*/
final public short getNodeType ()
{ return ENTITY_NODE; }
}
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