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/*
* Copyright (c) 1998, 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.
*/
/* @test
* @bug 4110602
* @author Benjamin Renaud
* @summary check that URLClassLoader correctly interprets Class-Path
*
* This test ensures that a manually constructed URLClassLoader is
* able to:
*
* 1. load a class
* 2. resolve Class-Path dependencies
* 3. have that class use a dependent class in a different JAR file
*/
import java.util.jar.*;
import java.util.*;
import java.io.*;
import java.net.*;
public class ClassPathTest {
JarFile jarFile;
Manifest manifest;
Attributes mainAttributes;
Map map;
URLClassLoader ucl;
static class TestException extends RuntimeException {
TestException(Throwable t) {
super("URLClassLoader ClassPathTest failed with: " + t);
}
}
public ClassPathTest() {
File local = new File(System.getProperty("test.src", "."),
"jars/class_path_test.jar");
String jarFileName = local.getPath();
try {
jarFile = new JarFile(jarFileName);
}
catch (IOException e) {
System.err.println("Could not find jar file " + jarFileName);
throw new TestException(e);
}
try {
URL url = getUrl(new File(jarFileName));
System.out.println("url: " + url);
ucl = new URLClassLoader(new URL[] { url });
// Moved this inside try block, as it may raise IOException.
// (maddox)
manifest = jarFile.getManifest();
}
catch (Exception e) {
throw new TestException(e);
}
//manifest = jarFile.getManifest();
mainAttributes = manifest.getMainAttributes();
map = manifest.getEntries();
Iterator it = map.entrySet().iterator();
Class clazz = null;
while (it.hasNext()) {
Map.Entry e = (Map.Entry)it.next();
Attributes a = (Attributes)e.getValue();
Attributes.Name an = new Attributes.Name("Class-Path");
if (a.containsKey(an)) {
String val = a.getValue(an);
if (val != null)
System.out.println("Class-Path: " + val);
}
if (a.containsKey(new Attributes.Name("Java-Bean"))) {
String beanClassName = nameToClassName((String)e.getKey());
System.out.println("JavaBean Class: " + beanClassName);
try {
clazz = ucl.loadClass(beanClassName);
}
catch (Throwable t) {
throw new TestException(t);
} if (clazz != null) {
try {
System.out.println("instantiating " + beanClassName);
clazz.newInstance();
System.out.println("done instantiating " +
beanClassName);
} catch (Throwable t2) {
throw new TestException(t2);
}
}
}
}
}
String nameToClassName(String key) {
String key2 = key.replace('/', File.separatorChar);
int li = key2.lastIndexOf(".class");
key2 = key2.substring(0, li);
return key2;
}
private static URL getUrl(File file) {
String name;
try {
name = file.getCanonicalPath();
} catch (IOException e) {
name = file.getAbsolutePath();
}
name = name.replace(File.separatorChar, '/');
if (!name.startsWith("/")) {
name = "/" + name;
}
try {
return new URL( "file:" + name);
} catch (MalformedURLException e) {
throw new TestException(e);
}
}
public static void main(String args[]) {
new ClassPathTest();
}
}
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