/*

 * Copyright (c) 2007, 2009, 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

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 */

package java.nio.file.attribute;

import java.io.IOException;

/**

 * Checked exception thrown when a lookup of {@link UserPrincipal} fails because

 * the principal does not exist.

 *

 * @since 1.7

 */

public class UserPrincipalNotFoundException

    extends IOException

{

    static final long serialVersionUID = -5369283889045833024L;

    private final String name;

    /**

     * Constructs an instance of this class.

     *

     * @param   name

     *          the principal name; may be {@code null}

     */

    public UserPrincipalNotFoundException(String name) {

        super();

        this.name = name;

    }

    /**

     * Returns the user principal name if this exception was created with the

     * user principal name that was not found, otherwise <tt>null</tt>.

     *

     * @return  the user principal name or {@code null}

     */

    public String getName() {

        return name;

    }

}