151 lines
4.8 KiB
Java
151 lines
4.8 KiB
Java
/*
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* Copyright (c) 1998, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @bug 4110602
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* @author Benjamin Renaud
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* @summary check that URLClassLoader correctly interprets Class-Path
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*
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* This test ensures that a manually constructed URLClassLoader is
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* able to:
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*
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* 1. load a class
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* 2. resolve Class-Path dependencies
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* 3. have that class use a dependent class in a different JAR file
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*/
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import java.util.jar.*;
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import java.util.*;
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import java.io.*;
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import java.net.*;
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public class ClassPathTest {
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JarFile jarFile;
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Manifest manifest;
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Attributes mainAttributes;
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Map map;
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URLClassLoader ucl;
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static class TestException extends RuntimeException {
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TestException(Throwable t) {
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super("URLClassLoader ClassPathTest failed with: " + t);
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}
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}
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public ClassPathTest() {
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File local = new File(System.getProperty("test.src", "."),
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"jars/class_path_test.jar");
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String jarFileName = local.getPath();
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try {
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jarFile = new JarFile(jarFileName);
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}
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catch (IOException e) {
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System.err.println("Could not find jar file " + jarFileName);
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throw new TestException(e);
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}
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try {
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URL url = getUrl(new File(jarFileName));
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System.out.println("url: " + url);
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ucl = new URLClassLoader(new URL[] { url });
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// Moved this inside try block, as it may raise IOException.
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// (maddox)
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manifest = jarFile.getManifest();
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}
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catch (Exception e) {
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throw new TestException(e);
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}
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//manifest = jarFile.getManifest();
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mainAttributes = manifest.getMainAttributes();
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map = manifest.getEntries();
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Iterator it = map.entrySet().iterator();
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Class clazz = null;
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while (it.hasNext()) {
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Map.Entry e = (Map.Entry)it.next();
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Attributes a = (Attributes)e.getValue();
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Attributes.Name an = new Attributes.Name("Class-Path");
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if (a.containsKey(an)) {
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String val = a.getValue(an);
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if (val != null)
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System.out.println("Class-Path: " + val);
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}
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if (a.containsKey(new Attributes.Name("Java-Bean"))) {
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String beanClassName = nameToClassName((String)e.getKey());
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System.out.println("JavaBean Class: " + beanClassName);
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try {
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clazz = ucl.loadClass(beanClassName);
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}
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catch (Throwable t) {
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throw new TestException(t);
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} if (clazz != null) {
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try {
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System.out.println("instantiating " + beanClassName);
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clazz.newInstance();
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System.out.println("done instantiating " +
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beanClassName);
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} catch (Throwable t2) {
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throw new TestException(t2);
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}
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}
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}
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}
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}
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String nameToClassName(String key) {
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String key2 = key.replace('/', File.separatorChar);
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int li = key2.lastIndexOf(".class");
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key2 = key2.substring(0, li);
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return key2;
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}
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private static URL getUrl(File file) {
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String name;
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try {
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name = file.getCanonicalPath();
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} catch (IOException e) {
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name = file.getAbsolutePath();
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}
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name = name.replace(File.separatorChar, '/');
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if (!name.startsWith("/")) {
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name = "/" + name;
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}
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try {
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return new URL( "file:" + name);
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} catch (MalformedURLException e) {
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throw new TestException(e);
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}
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}
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public static void main(String args[]) {
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new ClassPathTest();
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}
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}
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