/*

 * Copyright (c) 2016, 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.

 *

 * 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.

 */

package handler;

import java.io.IOException;

import javax.security.auth.callback.Callback;

import javax.security.auth.callback.CallbackHandler;

import javax.security.auth.callback.NameCallback;

import javax.security.auth.callback.PasswordCallback;

import javax.security.auth.callback.UnsupportedCallbackException;

public class TestCallbackHandler implements CallbackHandler {

    private static final String USER_NAME = "testUser";

    private static final String PASSWORD = "testPassword";

    @Override

    public void handle(Callback[] callbacks) throws IOException,

            UnsupportedCallbackException {

        System.out.println("TestCallbackHandler will get resolved through"

                + " auth.login.defaultCallbackHandler property.");

        for (Callback callback : callbacks) {

            if (callback instanceof NameCallback) {

                ((NameCallback) callback).setName(USER_NAME);

            } else if (callback instanceof PasswordCallback) {

                ((PasswordCallback) callback).setPassword(

                        PASSWORD.toCharArray());

            } else {

                throw new UnsupportedCallbackException(callback);

            }

        }

    }

}