/*

 * Copyright (c) 2018, 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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 */

/*

 * @test

 * @bug 8210495

 * @summary compiler crashes because of illegal signature in otherwise legal code

 * @compile T8210495.java

 */

import java.awt.*;

import java.awt.event.ActionListener;

import java.util.List;

class T8210495 {

    interface IFilter {

        Component getComponent();

    }

    static class Filter implements IFilter {

        @Override

        public Component getComponent() {

            return null;

        }

    }

    public Component buildFilter(List<? extends Filter> l, Dialog dialog) {

        Panel c = new Panel();

        l.stream()

                .map(f -> {

                    Button btn = (Button)f.getComponent();

                    btn.addActionListener((java.io.Serializable & ActionListener)evt -> {

                        applyFilter(f);

                        dialog.setVisible(false);

                    });

                    return btn;

                })

                .forEach(c::add);

        return c;

    }

    private void applyFilter(IFilter f) { }

}