/*

 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. 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.  Oracle designates this

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

 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * This file is available under and governed by the GNU General Public

 * License version 2 only, as published by the Free Software Foundation.

 * However, the following notice accompanied the original version of this

 * file:

 *

 * Copyright (c) 2008-2012, Stephen Colebourne & Michael Nascimento Santos

 *

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 *

 *  * Redistributions of source code must retain the above copyright notice,

 *    this list of conditions and the following disclaimer.

 *

 *  * Redistributions in binary form must reproduce the above copyright notice,

 *    this list of conditions and the following disclaimer in the documentation

 *    and/or other materials provided with the distribution.

 *

 *  * Neither the name of JSR-310 nor the names of its contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

package java.time.format;

import java.io.IOException;

import java.time.DateTimeException;

/**

 * An exception thrown when an error occurs during printing.

 * <p>

 * This will be triggered by violations specific to printing or an IO exception.

 *

 * <h3>Specification for implementors</h3>

 * This class is intended for use in a single thread.

 *

 * @since 1.8

 */

public class DateTimePrintException extends DateTimeException {

    /**

     * Serialization version.

     */

    private static final long serialVersionUID = 2263939197574006408L;

    /**

     * Constructs a new exception with the specified message.

     *

     * @param message  the message to use for this exception, may be null

     */

    public DateTimePrintException(String message) {

        super(message, null);

    }

    /**

     * Constructs a new exception with the specified message and cause.

     *

     * @param message  the message to use for this exception, may be null

     * @param cause  the cause of the exception, may be null

     */

    public DateTimePrintException(String message, Throwable cause) {

        super(message, cause);

    }

    //-----------------------------------------------------------------------

    /**

     * Checks if the cause of this exception was an IOException, and if so

     * re-throws it

     * <p>

     * This method is useful if you call a printer with an open stream or

     * writer and want to ensure that IOExceptions are not lost.

     * <pre>

     * try {

     *   printer.print(writer, dateTime);

     * } catch (DateTimePrintException ex) {

     *   ex.rethrowIOException();

     *   // if code reaches here exception was caused by date-time issues

     * }

     * </pre>

     * Note that calling this method will re-throw the original IOException,

     * causing this DateTimePrintException to be lost.

     *

     * @throws IOException if the cause of this exception is an IOException

     */

    public void rethrowIOException() throws IOException {

        if (getCause() instanceof IOException) {

            throw (IOException) getCause();

        }

    }

}