/*

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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 7191662 8157469 8157489

 * @summary Ensure non-java.base providers can be found by ServiceLoader

 * @author Valerie Peng

 */

import java.security.Provider;

import java.security.Security;

import java.util.Arrays;

import java.util.Iterator;

import java.util.ServiceLoader;

public class DefaultProviderList {

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

        Provider[] defaultProvs = Security.getProviders();

        System.out.println("Providers: " + Arrays.asList(defaultProvs));

        System.out.println();

        ServiceLoader<Provider> sl = ServiceLoader.load(Provider.class);

        boolean failed = false;

        Module baseMod = Object.class.getModule();

        // Test#1: check that all non-base security providers can be found

        // through ServiceLoader

        for (Provider p : defaultProvs) {

            String pName = p.getName();

            Class pClass = p.getClass();

            if (pClass.getModule() != baseMod) {

                String pClassName = pClass.getName();

                Iterator<Provider> provIter = sl.iterator();

                boolean found = false;

                while (provIter.hasNext()) {

                    Provider pFromSL = provIter.next();

                    // check for match by class name because PKCS11 provider

                    // will have a different name after being configured.

                    if (pFromSL.getClass().getName().equals(pClassName)) {

                        found = true;

                        System.out.println("SL found provider " + pName);

                        break;

                    }

                }

                if (!found) {

                    failed = true;

                    System.out.println("Error: SL cannot find provider " +

                        pName);

                }

            }

        }

        // Test#2: check that all security providers found through ServiceLoader

        // are not from base module

        Iterator<Provider> provIter = sl.iterator();

        while (provIter.hasNext()) {

            Provider pFromSL = provIter.next();

            if (pFromSL.getClass().getModule() == baseMod) {

                failed = true;

                System.out.println("Error: base provider " +

                    pFromSL.getName() + " loaded by SL");

            }

        }

        if (!failed) {

            System.out.println("Test Passed");

        } else {

            throw new Exception("One or more tests failed");

        }

    }

}