/*
 * Copyright (c) 1999, 2015, 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
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 */

package javax.security.auth.callback;

import java.util.Locale;

/**
 * <p> Underlying security services instantiate and pass a
 * {@code LanguageCallback} to the {@code handle}
 * method of a {@code CallbackHandler} to retrieve the {@code Locale}
 * used for localizing text.
 *
 * @since 1.4
 * @see javax.security.auth.callback.CallbackHandler
 */
public class LanguageCallback implements Callback, java.io.Serializable {

    private static final long serialVersionUID = 2019050433478903213L;

    /**
     * @serial
     * @since 1.4
     */
    private Locale locale;

    /**
     * Construct a {@code LanguageCallback}.
     */
    public LanguageCallback() { }

    /**
     * Set the retrieved {@code Locale}.
     *
     * @param locale the retrieved {@code Locale}.
     *
     * @see #getLocale
     */
    public void setLocale(Locale locale) {
        this.locale = locale;
    }

    /**
     * Get the retrieved {@code Locale}.
     *
     * @return the retrieved {@code Locale}, or null
     *          if no {@code Locale} could be retrieved.
     *
     * @see #setLocale
     */
    public Locale getLocale() {
        return locale;
    }
}