/*

 * Copyright (c) 1999, 2021, 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 sun.security.ssl;

import java.util.List;

import java.util.Collections;

import java.security.*;

import java.security.KeyStore.*;

import javax.net.ssl.*;

abstract class KeyManagerFactoryImpl extends KeyManagerFactorySpi {

    X509ExtendedKeyManager keyManager;

    boolean isInitialized;

    KeyManagerFactoryImpl() {

        // empty

    }

    /**

     * Returns one key manager for each type of key material.

     */

    @Override

    protected KeyManager[] engineGetKeyManagers() {

        if (!isInitialized) {

            throw new IllegalStateException(

                        "KeyManagerFactoryImpl is not initialized");

        }

        return new KeyManager[] { keyManager };

    }

    // Factory for the SunX509 keymanager

    public static final class SunX509 extends KeyManagerFactoryImpl {

        @Override

        protected void engineInit(KeyStore ks, char[] password) throws

                KeyStoreException, NoSuchAlgorithmException,

                UnrecoverableKeyException {

            keyManager = new SunX509KeyManagerImpl(ks, password);

            isInitialized = true;

        }

        @Override

        protected void engineInit(ManagerFactoryParameters spec) throws

                InvalidAlgorithmParameterException {

            throw new InvalidAlgorithmParameterException(

                "SunX509KeyManager does not use ManagerFactoryParameters");

        }

    }

    // Factory for the X509 keymanager

    public static final class X509 extends KeyManagerFactoryImpl {

        @Override

        protected void engineInit(KeyStore ks, char[] password) throws

                KeyStoreException, NoSuchAlgorithmException,

                UnrecoverableKeyException {

            if (ks == null) {

                keyManager = new X509KeyManagerImpl(

                        Collections.<Builder>emptyList());

            } else {

                try {

                    Builder builder = Builder.newInstance(ks,

                        new PasswordProtection(password));

                    keyManager = new X509KeyManagerImpl(builder);

                } catch (RuntimeException e) {

                    throw new KeyStoreException("initialization failed", e);

                }

            }

            isInitialized = true;

        }

        @Override

        protected void engineInit(ManagerFactoryParameters params) throws

                InvalidAlgorithmParameterException {

            if (!(params instanceof KeyStoreBuilderParameters)) {

                throw new InvalidAlgorithmParameterException(

                "Parameters must be instance of KeyStoreBuilderParameters");

            }

            List<Builder> builders =

                ((KeyStoreBuilderParameters)params).getParameters();

            keyManager = new X509KeyManagerImpl(builders);

            isInitialized = true;

        }

    }

}