/*
* 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 {
private final static String rbName = "StackSearchableResource";
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();
}
}
}