/*

 * Copyright 2003 Sun Microsystems, Inc.  All Rights Reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package javax.sql.rowset.spi;

import java.sql.SQLException;

import java.io.Reader;

import javax.sql.RowSetReader;

import javax.sql.rowset.*;

/**

 * A specialized interface that facilitates an extension of the

 * <code>SyncProvider</code> abstract class for XML orientated

 * synchronization providers.

 * <P>

 * <code>SyncProvider</code>  implementations that supply XML data reader

 * capabilities such as output XML stream capabilities can implement this

 * interface to provider standard <code>XmlReader</code> objects to

 * <code>WebRowSet</code> implementations.

 * <p>

 * An <code>XmlReader</code> object is registered as the

 * XML reader for a <code>WebRowSet</code> by being assigned to the

 * rowset's <code>xmlReader</code> field. When the <code>WebRowSet</code>

 * object's <code>readXml</code> method is invoked, it in turn invokes

 * its XML reader's <code>readXML</code> method.

 */

public interface XmlReader extends RowSetReader {

  /**

   * Reads and parses the given <code>WebRowSet</code> object from the given

   * input stream in XML format. The <code>xmlReader</code> field of the

   * given <code>WebRowSet</code> object must contain this

   * <code>XmlReader</code> object.

   * <P>

   * If a parsing error occurs, the exception that is thrown will

   * include information about the location of the error in the

   * original XML document.

   *

   * @param caller the <code>WebRowSet</code> object to be parsed, whose

   *        <code>xmlReader</code> field must contain a reference to

   *        this <code>XmlReader</code> object

   * @param reader the <code>java.io.Reader</code> object from which

   *        <code>caller</code> will be read

   * @throws SQLException if a database access error occurs or

   *            this <code>XmlReader</code> object is not the reader

   *            for the given rowset

   */

  public void readXML(WebRowSet caller, java.io.Reader reader)

    throws SQLException;

}