Confirm.java

/*
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 * 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.
 *
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 */

/*
 * @test
 * @bug 6599079 8240848
 * @summary Non-standard ConfirmationCallback throws NPE
 * @modules jdk.security.auth
 */

import javax.security.auth.callback.Callback;
import javax.security.auth.callback.ConfirmationCallback;
import com.sun.security.auth.callback.TextCallbackHandler;
import java.io.ByteArrayInputStream;
import java.io.InputStream;

public class Confirm {

    public static void main(String[] args) throws Exception {
        InputStream in = System.in;
        try {
            // Provide answer in an individual stream so that the program
            // does not block.
            System.setIn(new ByteArrayInputStream("1\n".getBytes()));
            new TextCallbackHandler().handle(new Callback[]{
                    new ConfirmationCallback("Prince",
                            ConfirmationCallback.INFORMATION,
                            new String[]{"To be", "Not to be"}, 0)});

            System.setIn(new ByteArrayInputStream("-1\n".getBytes()));
            new TextCallbackHandler().handle(new Callback[]{
                    new ConfirmationCallback(
                            ConfirmationCallback.INFORMATION,
                            ConfirmationCallback.OK_CANCEL_OPTION,
                            ConfirmationCallback.OK)});
        } finally {
            System.setIn(in);
        }
    }
}