/*
 Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
 

  The MySQL Connector/J is licensed under the terms of the GPLv2
  <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
  There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
  this software, see the FLOSS License Exception
  <http://www.mysql.com/about/legal/licensing/foss-exception.html>.

  This program 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; version 2
  of the License.

  This program 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., 51 Franklin St, Fifth
  Floor, Boston, MA 02110-1301  USA



 */
package com.mysql.jdbc;

import java.io.CharArrayWriter;

/**
 * A java.io.Writer used to write unicode data into Blobs and Clobs
 * 
 * @author Mark Matthews
 */
class WatchableWriter extends CharArrayWriter {
	// ~ Instance fields
	// --------------------------------------------------------

	private WriterWatcher watcher;

	// ~ Methods
	// ----------------------------------------------------------------

	/**
	 * @see java.io.Writer#close()
	 */
	public void close() {
		super.close();

		// Send data to watcher
		if (this.watcher != null) {
			this.watcher.writerClosed(this);
		}
	}

	/**
	 * DOCUMENT ME!
	 * 
	 * @param watcher
	 *            DOCUMENT ME!
	 */
	public void setWatcher(WriterWatcher watcher) {
		this.watcher = watcher;
	}
}