1 /*
2 * Copyright (c) 2009, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 4167874
27 * @modules java.logging
28 * jdk.httpserver
29 * @library ../../../../com/sun/net/httpserver
30 * @library /lib/testlibrary
31 * @build FileServerHandler jdk.testlibrary.FileUtils
32 * @run shell build.sh
33 * @run main/othervm CloseTest
34 * @summary URL-downloaded jar files can consume all available file descriptors
35 */
36
37 import java.io.File;
38 import java.lang.reflect.Method;
39 import java.net.URLClassLoader;
40 import java.net.InetSocketAddress;
41 import java.net.URL;
42 import com.sun.net.httpserver.HttpContext;
43 import com.sun.net.httpserver.HttpServer;
44
45 public class CloseTest extends Common {
46
47 //
48 // needs two jar files test1.jar and test2.jar with following structure
49 //
50 // com/foo/TestClass
51 // com/foo/TestClass1
52 // com/foo/Resource1
53 // com/foo/Resource2
54 //
55 // and a directory hierarchy with the same structure/contents
56
57 public static void main (String args[]) throws Exception {
58
59 String workdir = System.getProperty("test.classes");
60 if (workdir == null) {
61 workdir = args[0];
62 }
63 if (!workdir.endsWith("/")) {
64 workdir = workdir+"/";
65 }
66
67 startHttpServer (workdir+"serverRoot/");
68
69 String testjar = workdir + "test.jar";
70 copyFile (workdir+"test1.jar", testjar);
71 test (testjar, 1);
72
73 // repeat test with different implementation
74 // of test.jar (whose TestClass.getValue() returns 2
75
76 copyFile (workdir+"test2.jar", testjar);
77 test (testjar, 2);
78
79 // repeat test using a directory of files
80 String testdir=workdir+"testdir/";
81 rm_minus_rf (new File(testdir));
82 copyDir (workdir+"test1/", testdir);
83 test (testdir, 1);
84
85 testdir=workdir+"testdir/";
86 rm_minus_rf (new File(testdir));
87 copyDir (workdir+"test2/", testdir);
88 test (testdir, 2);
89 getHttpServer().stop (3);
90 }
91
92 // create a loader on jarfile (or directory), plus a http loader
93 // load a class , then look for a resource
94 // also load a class from http loader
95 // then close the loader
96 // check further new classes/resources cannot be loaded
97 // check jar (or dir) can be deleted
98 // check existing classes can be loaded
99 // check boot classes can be loaded
100
101 static void test (String name, int expectedValue) throws Exception {
102 URL url = new URL ("file", null, name);
103 URL url2 = getServerURL();
104 System.out.println ("Doing tests with URL: " + url + " and " + url2);
105 URL[] urls = new URL[2];
106 urls[0] = url;
107 urls[1] = url2;
108 URLClassLoader loader = new URLClassLoader (urls);
109 Class testclass = loadClass ("com.foo.TestClass", loader, true);
110 Class class2 = loadClass ("Test", loader, true); // from http
111 class2.newInstance();
112 Object test = testclass.newInstance();
113 Method method = testclass.getDeclaredMethods()[0]; // int getValue();
114 int res = (Integer) method.invoke (test);
115
116 if (res != expectedValue) {
117 throw new RuntimeException ("wrong value from getValue() ["+res+
118 "/"+expectedValue+"]");
119 }
120
121 // should find /resource1
122 URL u1 = loader.findResource ("com/foo/Resource1");
123 if (u1 == null) {
124 throw new RuntimeException ("can't find com/foo/Resource1 in test1.jar");
125 }
126 loader.close ();
127
128 // should NOT find /resource2 even though it is in jar
129 URL u2 = loader.findResource ("com/foo/Resource2");
130 if (u2 != null) {
131 throw new RuntimeException ("com/foo/Resource2 unexpected in test1.jar");
132 }
133
134 // load tests
135 loadClass ("com.foo.TestClass1", loader, false);
136 loadClass ("com.foo.TestClass", loader, true);
137 loadClass ("java.util.ArrayList", loader, true);
138
139 // now check we can delete the path
140 rm_minus_rf (new File(name));
141 System.out.println (" ... OK");
142 }
143
144 static HttpServer httpServer;
145
146 static HttpServer getHttpServer() {
147 return httpServer;
148 }
149
150 static URL getServerURL () throws Exception {
151 int port = httpServer.getAddress().getPort();
152 String s = "http://127.0.0.1:"+port+"/";
153 return new URL(s);
154 }
155
156 static void startHttpServer (String docroot) throws Exception {
157 httpServer = HttpServer.create (new InetSocketAddress(0), 10);
158 HttpContext ctx = httpServer.createContext (
159 "/", new FileServerHandler(docroot)
160 );
161 httpServer.start();
162 }
163 }