/*
* Copyright (c) 2009, 2011, 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.
*
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*/
/**
* @test
* @bug 4167874
* @library ../../../../com/sun/net/httpserver
* @build FileServerHandler
* @run shell build.sh
* @run main/othervm CloseTest
* @summary URL-downloaded jar files can consume all available file descriptors
*/
import java.io.*;
import java.net.*;
import java.lang.reflect.*;
import com.sun.net.httpserver.*;
public class CloseTest extends Common {
//
// needs two jar files test1.jar and test2.jar with following structure
//
// com/foo/TestClass
// com/foo/TestClass1
// com/foo/Resource1
// com/foo/Resource2
//
// and a directory hierarchy with the same structure/contents
public static void main (String args[]) throws Exception {
String workdir = System.getProperty("test.classes");
if (workdir == null) {
workdir = args[0];
}
if (!workdir.endsWith("/")) {
workdir = workdir+"/";
}
startHttpServer (workdir+"serverRoot/");
String testjar = workdir + "test.jar";
copyFile (workdir+"test1.jar", testjar);
test (testjar, 1);
// repeat test with different implementation
// of test.jar (whose TestClass.getValue() returns 2
copyFile (workdir+"test2.jar", testjar);
test (testjar, 2);
// repeat test using a directory of files
String testdir=workdir+"testdir/";
rm_minus_rf (new File(testdir));
copyDir (workdir+"test1/", testdir);
test (testdir, 1);
testdir=workdir+"testdir/";
rm_minus_rf (new File(testdir));
copyDir (workdir+"test2/", testdir);
test (testdir, 2);
getHttpServer().stop (3);
}
// create a loader on jarfile (or directory), plus a http loader
// load a class , then look for a resource
// also load a class from http loader
// then close the loader
// check further new classes/resources cannot be loaded
// check jar (or dir) can be deleted
// check existing classes can be loaded
// check boot classes can be loaded
static void test (String name, int expectedValue) throws Exception {
URL url = new URL ("file", null, name);
URL url2 = getServerURL();
System.out.println ("Doing tests with URL: " + url + " and " + url2);
URL[] urls = new URL[2];
urls[0] = url;
urls[1] = url2;
URLClassLoader loader = new URLClassLoader (urls);
Class testclass = loadClass ("com.foo.TestClass", loader, true);
Class class2 = loadClass ("Test", loader, true); // from http
class2.newInstance();
Object test = testclass.newInstance();
Method method = testclass.getDeclaredMethods()[0]; // int getValue();
int res = (Integer) method.invoke (test);
if (res != expectedValue) {
throw new RuntimeException ("wrong value from getValue() ["+res+
"/"+expectedValue+"]");
}
// should find /resource1
URL u1 = loader.findResource ("com/foo/Resource1");
if (u1 == null) {
throw new RuntimeException ("can't find com/foo/Resource1 in test1.jar");
}
loader.close ();
// should NOT find /resource2 even though it is in jar
URL u2 = loader.findResource ("com/foo/Resource2");
if (u2 != null) {
throw new RuntimeException ("com/foo/Resource2 unexpected in test1.jar");
}
// load tests
loadClass ("com.foo.TestClass1", loader, false);
loadClass ("com.foo.TestClass", loader, true);
loadClass ("java.awt.Button", loader, true);
// now check we can delete the path
rm_minus_rf (new File(name));
System.out.println (" ... OK");
}
static HttpServer httpServer;
static HttpServer getHttpServer() {
return httpServer;
}
static URL getServerURL () throws Exception {
int port = httpServer.getAddress().getPort();
String s = "http://127.0.0.1:"+port+"/";
return new URL(s);
}
static void startHttpServer (String docroot) throws Exception {
httpServer = HttpServer.create (new InetSocketAddress(0), 10);
HttpContext ctx = httpServer.createContext (
"/", new FileServerHandler(docroot)
);
httpServer.start();
}
}