/*

 * Copyright (c) 2003, 2011, 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

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 * questions.

 */

/**

 * @test

 * @bug 4894125 7054918

 * @library ../testlibrary

 * @summary test that failover for KeyFactory works

 * @author Andreas Sterbenz

 */

import java.util.*;

import java.security.*;

import java.security.interfaces.*;

import java.security.spec.*;

public class Failover {

    public static void main(String[] args) throws Exception {

        ProvidersSnapshot snapshot = ProvidersSnapshot.create();

        try {

            main0(args);

        } finally {

            snapshot.restore();

        }

    }

    public static void main0(String[] args) throws Exception {

        Security.insertProviderAt(new ProviderFail(), 1);

        Security.addProvider(new ProviderPass());

        System.out.println(Arrays.asList(Security.getProviders()));

        KeyFactory kf;

        kf = KeyFactory.getInstance("FOO");

        kf.generatePublic(null);

        kf.generatePublic(null);

        kf.generatePrivate(null);

        kf = KeyFactory.getInstance("FOO");

        kf.generatePrivate(null);

        kf.getKeySpec(null, null);

        kf.translateKey(null);

        kf = KeyFactory.getInstance("FOO");

        kf.getKeySpec(null, null);

        kf.translateKey(null);

        kf = KeyFactory.getInstance("FOO");

        kf.translateKey(null);

        // somewhat more real tests using DSA

        System.out.println("DSA tests...");

        KeyPairGenerator kpg = KeyPairGenerator.getInstance("DSA");

        kpg.initialize(512);

        KeyPair kp = kpg.generateKeyPair();

        kf = KeyFactory.getInstance("DSA");

        System.out.println(kf.translateKey(kp.getPrivate()));

        kf = KeyFactory.getInstance("DSA");

        KeySpec spec = kf.getKeySpec(kp.getPublic(), DSAPublicKeySpec.class);

        kf = KeyFactory.getInstance("DSA");

        System.out.println(kf.generatePublic(spec));

        kf = KeyFactory.getInstance("DSA");

        try {

            kf.generatePrivate(spec);

            throw new Exception("no exception");

        } catch (InvalidKeySpecException e) {

            System.out.println(e);

        }

    }

    private static class ProviderPass extends Provider {

        ProviderPass() {

            super("Pass", 1.0d, "Pass");

            put("KeyFactory.FOO" , "Failover$KeyFactoryPass");

        }

    }

    private static class ProviderFail extends Provider {

        ProviderFail() {

            super("Fail", 1.0d, "Fail");

            put("KeyFactory.FOO" , "Failover$KeyFactoryFail");

            put("KeyFactory.DSA" , "Failover$KeyFactoryFail");

        }

    }

    public static class KeyFactoryPass extends KeyFactorySpi {

        protected PublicKey engineGeneratePublic(KeySpec keySpec) throws InvalidKeySpecException {

            System.out.println("MyKeyFactoryPass.engineGeneratePublic()");

            return null;

        }

        protected PrivateKey engineGeneratePrivate(KeySpec keySpec) throws InvalidKeySpecException {

            System.out.println("MyKeyFactoryPass.engineGeneratePrivate()");

            return null;

        }

        protected <T extends KeySpec> T

            engineGetKeySpec(Key key, Class<T> keySpec) throws InvalidKeySpecException

        {

            System.out.println("MyKeyFactoryPass.engineGetKeySpec()");

            return null;

        }

        protected Key engineTranslateKey(Key key) throws InvalidKeyException {

            System.out.println("MyKeyFactoryPass.engineTranslateKey()");

            return null;

        }

    }

    public static class KeyFactoryFail extends KeyFactorySpi {

        protected PublicKey engineGeneratePublic(KeySpec keySpec) throws InvalidKeySpecException {

            System.out.println("MyKeyFactoryFail.engineGeneratePublic()");

            throw new InvalidKeySpecException();

        }

        protected PrivateKey engineGeneratePrivate(KeySpec keySpec) throws InvalidKeySpecException {

            System.out.println("MyKeyFactoryFail.engineGeneratePrivate()");

            throw new InvalidKeySpecException();

        }

        protected <T extends KeySpec> T engineGetKeySpec(Key key, Class<T> keySpec) throws InvalidKeySpecException {

            System.out.println("MyKeyFactoryFail.engineGetKeySpec()");

            throw new InvalidKeySpecException();

        }

        protected Key engineTranslateKey(Key key) throws InvalidKeyException {

            System.out.println("MyKeyFactoryFail.engineTranslateKey()");

            throw new InvalidKeyException();

        }

    }

}