8228394: Cleanup unused java.net SharedSecrets classes

Reviewed-by: alanb, chegar

src/java.base/share/classes/java/net/ServerSocket.java

@@ -27,17 +27,11 @@ package java.net;
 
 import java.io.FileDescriptor;
 import java.io.IOException;
-import java.lang.reflect.Constructor;
-import java.lang.reflect.InvocationTargetException;
 import java.nio.channels.ServerSocketChannel;
-import java.security.AccessController;
-import java.security.PrivilegedExceptionAction;
 import java.util.Objects;
 import java.util.Set;
 import java.util.Collections;
 
-import jdk.internal.access.JavaNetSocketAccess;
-import jdk.internal.access.SharedSecrets;
 import sun.net.PlatformSocketImpl;
 
 /**
@@ -1116,27 +1110,4 @@ class ServerSocket implements java.io.Closeable {
         }
         return options;
     }
-
-    static {
-        SharedSecrets.setJavaNetSocketAccess(
-            new JavaNetSocketAccess() {
-                @Override
-                public ServerSocket newServerSocket(SocketImpl impl) {
-                    return new ServerSocket(impl);
-                }
-
-                @Override
-                public SocketImpl newSocketImpl(Class<? extends SocketImpl> implClass) {
-                    try {
-                        Constructor<? extends SocketImpl> ctor =
-                            implClass.getDeclaredConstructor();
-                        return ctor.newInstance();
-                    } catch (NoSuchMethodException | InstantiationException |
-                             IllegalAccessException | InvocationTargetException e) {
-                        throw new AssertionError(e);
-                    }
-                }
-            }
-        );
-    }
 }

src/java.base/share/classes/java/net/URLClassLoader.java

@@ -52,7 +52,6 @@ import java.util.jar.Manifest;
 
 import jdk.internal.loader.Resource;
 import jdk.internal.loader.URLClassPath;
-import jdk.internal.access.JavaNetURLClassLoaderAccess;
 import jdk.internal.access.SharedSecrets;
 import jdk.internal.perf.PerfCounter;
 import sun.net.www.ParseUtil;
@@ -822,14 +821,6 @@ public class URLClassLoader extends SecureClassLoader implements Closeable {
     }
 
     static {
-        SharedSecrets.setJavaNetURLClassLoaderAccess(
-            new JavaNetURLClassLoaderAccess() {
-                @Override
-                public AccessControlContext getAccessControlContext(URLClassLoader u) {
-                    return u.acc;
-                }
-            }
-        );
         ClassLoader.registerAsParallelCapable();
     }
 }

src/java.base/share/classes/jdk/internal/access/JavaNetSocketAccess.java

@@ -1,41 +0,0 @@
-/*
- * Copyright (c) 2016, 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.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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.
- */
-
-package jdk.internal.access;
-
-import java.net.ServerSocket;
-import java.net.SocketImpl;
-
-public interface JavaNetSocketAccess {
-    /**
-     * Creates a ServerSocket associated with the given SocketImpl.
-     */
-    ServerSocket newServerSocket(SocketImpl impl);
-
-    /*
-     * Constructs a SocketImpl instance of the given class.
-     */
-    SocketImpl newSocketImpl(Class<? extends SocketImpl> implClass);
-}

src/java.base/share/classes/jdk/internal/access/JavaNetURLClassLoaderAccess.java

@@ -1,33 +0,0 @@
-/*
- * Copyright (c) 2016, 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.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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.
- */
-
-package jdk.internal.access;
-
-import java.net.URLClassLoader;
-import java.security.AccessControlContext;
-
-public interface JavaNetURLClassLoaderAccess {
-    AccessControlContext getAccessControlContext(URLClassLoader u);;
-}

src/java.base/share/classes/jdk/internal/access/SharedSecrets.java

@@ -58,10 +58,8 @@ public class SharedSecrets {
     private static JavaIOAccess javaIOAccess;
     private static JavaNetInetAddressAccess javaNetInetAddressAccess;
     private static JavaNetHttpCookieAccess javaNetHttpCookieAccess;
-    private static JavaNetSocketAccess javaNetSocketAccess;
     private static JavaNetUriAccess javaNetUriAccess;
     private static JavaNetURLAccess javaNetURLAccess;
-    private static JavaNetURLClassLoaderAccess javaNetURLClassLoaderAccess;
     private static JavaNioAccess javaNioAccess;
     private static JavaIOFileDescriptorAccess javaIOFileDescriptorAccess;
     private static JavaIOFilePermissionAccess javaIOFilePermissionAccess;
@@ -151,16 +149,6 @@ public class SharedSecrets {
         return javaNetURLAccess;
     }
 
-    public static void setJavaNetURLClassLoaderAccess(JavaNetURLClassLoaderAccess jnua) {
-        javaNetURLClassLoaderAccess = jnua;
-    }
-
-    public static JavaNetURLClassLoaderAccess getJavaNetURLClassLoaderAccess() {
-        if (javaNetURLClassLoaderAccess == null)
-            unsafe.ensureClassInitialized(java.net.URLClassLoader.class);
-        return javaNetURLClassLoaderAccess;
-    }
-
     public static void setJavaNetInetAddressAccess(JavaNetInetAddressAccess jna) {
         javaNetInetAddressAccess = jna;
     }
@@ -181,16 +169,6 @@ public class SharedSecrets {
         return javaNetHttpCookieAccess;
     }
 
-    public static void setJavaNetSocketAccess(JavaNetSocketAccess jnsa) {
-        javaNetSocketAccess = jnsa;
-    }
-
-    public static JavaNetSocketAccess getJavaNetSocketAccess() {
-        if (javaNetSocketAccess == null)
-            unsafe.ensureClassInitialized(java.net.ServerSocket.class);
-        return javaNetSocketAccess;
-    }
-
     public static void setJavaNioAccess(JavaNioAccess jna) {
         javaNioAccess = jna;
     }