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/* DomExtern.java --

   Copyright (C) 1999,2000,2001,2004 Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath 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, or (at your option)

any later version.

GNU Classpath 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.

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along with GNU Classpath; see the file COPYING.  If not, write to the

Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

02110-1301 USA.

Linking this library statically or dynamically with other modules is

making a combined work based on this library.  Thus, the terms and

conditions of the GNU General Public License cover the whole

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As a special exception, the copyright holders of this library give you

permission to link this library with independent modules to produce an

executable, regardless of the license terms of these independent

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independent module, the terms and conditions of the license of that

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or based on this library.  If you modify this library, you may extend

this exception to your version of the library, but you are not

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exception statement from your version. */

package gnu.xml.dom;

/**

 * <p> Abstract implemention of nodes describing external DTD-related

 * objects.  This facilitates reusing code for Entity, Notation, and

 * DocumentType (really, external subset) nodes.  Such support is not

 * part of the core DOM; it's for the "XML" feature.  </p>

 *

 * <p> Note that you are strongly advised to avoid using the DOM

 * features that take advantage of this class, since (as of L2) none

 * of them is defined fully enough to permit full use of the

 * XML feature they partially expose. </p>

 *

 * @author David Brownell

 * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>

 */

public abstract class DomExtern

  extends DomNode

{

  private final String name;

  private final String publicId;

  private final String systemId;

  /**

   * Constructs a node associated with the specified document,

   * with the specified descriptive data.

   *

   * @param owner The document with which this object is associated

   * @param name Name of this object

   * @param publicId If non-null, provides the entity's PUBLIC identifier

   * @param systemId If non-null, provides the entity's SYSTEM identifier

   */

  // package private

  DomExtern(short nodeType,

            DomDocument owner,

            String name,

            String publicId,

            String systemId)

  {

    super(nodeType, owner);

    this.name = name;

    this.publicId = publicId;

    this.systemId = systemId;

  }

  /**

   * <b>DOM L1</b>

   * Returns the SYSTEM identifier associated with this object, if any.

   */

  public final String getSystemId()

  {

    return systemId;

  }

  /**

   * <b>DOM L1</b>

   * Returns the PUBLIC identifier associated with this object, if any.

   */

  public final String getPublicId()

  {

    return publicId;

  }

  /**

   * <b>DOM L1</b>

   * Returns the object's name.

   */

  public final String getNodeName()

  {

    return name;

  }

  public final String getLocalName()

  {

    return name;

  }

}