/*

 * Copyright (c) 2015, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

import java.security.AccessController;

import java.security.PrivilegedAction;

import java.lang.System.LoggerFinder;

import java.lang.System.Logger;

public  class BaseLoggerFinder extends LoggerFinder implements TestLoggerFinder {

    static final RuntimePermission LOGGERFINDER_PERMISSION =

                new RuntimePermission("loggerFinder");

    @Override

    public Logger getLogger(String name, Module caller) {

        SecurityManager sm = System.getSecurityManager();

        if (sm != null) {

            sm.checkPermission(LOGGERFINDER_PERMISSION);

        }

        PrivilegedAction<ClassLoader> pa = () -> caller.getClassLoader();

        ClassLoader callerLoader = AccessController.doPrivileged(pa);

        if (callerLoader == null) {

            return system.computeIfAbsent(name, (n) -> new LoggerImpl(n));

        } else {

            return user.computeIfAbsent(name, (n) -> new LoggerImpl(n));

        }

    }

}