/*

 * Copyright (c) 2013, 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.lang.reflect.InvocationTargetException;

import java.lang.reflect.Method;

import java.net.URL;

import java.net.URLClassLoader;

import java.nio.file.Paths;

/**

 * This class constructs a scenario where a bundle is accessible on the call

 * stack two levels up from the call to getLogger(), but not on the immediate

 * caller.  This tests that getLogger() isn't doing a stack crawl more than one

 * level up to find a bundle.

 *

 * @author Jim Gish

 */

public class TwiceIndirectlyLoadABundle {

    public boolean loadAndTest() throws Throwable {

        // Find out where we are running from so we can setup the URLClassLoader URLs

        // test.src and test.classes will be set if running in jtreg, but probably

        // not otherwise

        String testDir = System.getProperty("test.src", System.getProperty("user.dir"));

        String testClassesDir = System.getProperty("test.classes",

                                                   System.getProperty("user.dir"));

        URL[] urls = new URL[2];

        // Allow for both jtreg and standalone cases here

        // Unlike the 1-level test where we can get the bundle from the caller's

        // class loader, for this one we don't want to expose the resource directory

        // to the next class.  That way we're invoking the LoadItUp2Invoker class

        // from this class that does have access to the resources (two levels

        // up the call stack), but the Invoker itself won't have access to resource

        urls[0] = Paths.get(testDir,"resources").toUri().toURL();

        urls[1] = Paths.get(testClassesDir).toUri().toURL();

        // Make sure we can find it via the URLClassLoader

        URLClassLoader yetAnotherResourceCL = new URLClassLoader(urls, null);

        Class<?> loadItUp2InvokerClazz = Class.forName("LoadItUp2Invoker", true,

                                                       yetAnotherResourceCL);

        ClassLoader actual = loadItUp2InvokerClazz.getClassLoader();

        if (actual != yetAnotherResourceCL) {

            throw new Exception("LoadItUp2Invoker was loaded by an unexpected CL: "

                                 + actual);

        }

        Object loadItUp2Invoker = loadItUp2InvokerClazz.newInstance();

        Method setupMethod = loadItUp2InvokerClazz.getMethod("setup",

                urls.getClass(), String.class);

        try {

            // For the next class loader we create, we want to leave off

            // the resources.  That way loadItUp2Invoker will have access to

            // them, but the next class won't.

            URL[] noResourceUrl = new URL[1];

            noResourceUrl[0] = urls[1];  // from above -- just the test classes

            setupMethod.invoke(loadItUp2Invoker, noResourceUrl, rbName);

        } catch (InvocationTargetException ex) {

            throw ex.getTargetException();

        }

        Method testMethod = loadItUp2InvokerClazz.getMethod("test");

        try {

            return (Boolean) testMethod.invoke(loadItUp2Invoker);

        } catch (InvocationTargetException ex) {

            throw ex.getTargetException();

        }

    }

}