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test/jdk/java/lang/System/LoggerFinder/internal/BasePlatformLoggerTest/CustomSystemClassLoader.java
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@@ -1,7 +1,7 @@
/*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2018, 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.
@@ -26,10 +26,11 @@
import java.net.URL;
import java.nio.file.Files;
import java.security.AllPermission;
import java.security.Permissions;
import java.security.ProtectionDomain;
+import java.util.concurrent.ConcurrentHashMap;
/**
* A custom ClassLoader to load the concrete LoggerFinder class
* with all permissions.
@@ -37,23 +38,27 @@
* @author danielfuchs
*/
public class CustomSystemClassLoader extends ClassLoader {
- Class<?> finderClass = null;
+ private final ConcurrentHashMap<String, Class<?>> classes = new ConcurrentHashMap<>();
public CustomSystemClassLoader() {
super();
}
public CustomSystemClassLoader(ClassLoader parent) {
super(parent);
}
private Class<?> defineFinderClass(String name)
throws ClassNotFoundException {
+ Class<?> finderClass = classes.get(name);
+ if (finderClass != null) return finderClass;
+
final Object obj = getClassLoadingLock(name);
synchronized(obj) {
+ finderClass = classes.get(name);
if (finderClass != null) return finderClass;
URL url = this.getClass().getProtectionDomain().getCodeSource().getLocation();
File file = new File(url.getPath(), name+".class");
if (file.canRead()) {
@@ -64,10 +69,11 @@
finderClass = defineClass(
name, b, 0, b.length, new ProtectionDomain(
this.getClass().getProtectionDomain().getCodeSource(),
perms));
System.out.println("Loaded " + name);
+ classes.put(name, finderClass);
return finderClass;
} catch (Throwable ex) {
ex.printStackTrace();
throw new ClassNotFoundException(name, ex);
}
@@ -78,11 +84,11 @@
}
}
@Override
public synchronized Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException {
- if (name.endsWith("$BaseLoggerFinder")) {
+ if (name.endsWith("BaseLoggerFinder") || name.startsWith("BaseLoggerFinder$")) {
Class<?> c = defineFinderClass(name);
if (resolve) {
resolveClass(c);
}
return c;
@@ -90,11 +96,11 @@
return super.loadClass(name, resolve);
}
@Override
protected Class<?> findClass(String name) throws ClassNotFoundException {
- if (name.endsWith("$BaseLoggerFinder")) {
+ if (name.endsWith("BaseLoggerFinder") || name.startsWith("BaseLoggerFinder$")) {
return defineFinderClass(name);
}
return super.findClass(name);
}
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