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// Locator2Impl.java - extended LocatorImpl

// http://www.saxproject.org

// Public Domain: no warranty.

// $Id: Locator2Impl.java,v 1.2 2006/12/10 20:25:41 gnu_andrew Exp $

package org.xml.sax.ext;

import org.xml.sax.Locator;

import org.xml.sax.helpers.LocatorImpl;

/**

 * SAX2 extension helper for holding additional Entity information,

 * implementing the {@link Locator2} interface.

 *

 * <blockquote>

 * <em>This module, both source code and documentation, is in the

 * Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>

 * </blockquote>

 *

 * <p> This is not part of core-only SAX2 distributions.</p>

 *

 * @since SAX 2.0.2

 * @author David Brownell

 * @version TBS

 */

public class Locator2Impl extends LocatorImpl implements Locator2

{

    private String      encoding;

    private String      version;

    /**

     * Construct a new, empty Locator2Impl object.

     * This will not normally be useful, since the main purpose

     * of this class is to make a snapshot of an existing Locator.

     */

    public Locator2Impl () { }

    /**

     * Copy an existing Locator or Locator2 object.

     * If the object implements Locator2, values of the

     * <em>encoding</em> and <em>version</em>strings are copied,

     * otherwise they set to <em>null</em>.

     *

     * @param locator The existing Locator object.

     */

    public Locator2Impl (Locator locator)

    {

        super (locator);

        if (locator instanceof Locator2) {

            Locator2    l2 = (Locator2) locator;

            version = l2.getXMLVersion ();

            encoding = l2.getEncoding ();

        }

    }

    ////////////////////////////////////////////////////////////////////

    // Locator2 method implementations

    ////////////////////////////////////////////////////////////////////

    /**

     * Returns the current value of the version property.

     *

     * @see #setXMLVersion

     */

    public String getXMLVersion ()

        { return version; }

    /**

     * Returns the current value of the encoding property.

     *

     * @see #setEncoding

     */

    public String getEncoding ()

        { return encoding; }

    ////////////////////////////////////////////////////////////////////

    // Setters

    ////////////////////////////////////////////////////////////////////

    /**

     * Assigns the current value of the version property.

     *

     * @param version the new "version" value

     * @see #getXMLVersion

     */

    public void setXMLVersion (String version)

        { this.version = version; }

    /**

     * Assigns the current value of the encoding property.

     *

     * @param encoding the new "encoding" value

     * @see #getEncoding

     */

    public void setEncoding (String encoding)

        { this.encoding = encoding; }

}