| /* |
| * Copyright (c) 2008, 2012, 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 sun.nio.ch; |
| |
| import java.nio.channels.spi.AsynchronousChannelProvider; |
| import sun.security.action.GetPropertyAction; |
| |
| /** |
| * Creates this platform's default asynchronous channel provider |
| */ |
| |
| public class DefaultAsynchronousChannelProvider { |
| |
| /** |
| * Prevent instantiation. |
| */ |
| private DefaultAsynchronousChannelProvider() { } |
| |
| @SuppressWarnings("unchecked") |
| private static AsynchronousChannelProvider createProvider(String cn) { |
| Class<AsynchronousChannelProvider> c; |
| try { |
| c = (Class<AsynchronousChannelProvider>)Class.forName(cn); |
| } catch (ClassNotFoundException x) { |
| throw new AssertionError(x); |
| } |
| try { |
| return c.newInstance(); |
| } catch (IllegalAccessException | InstantiationException x) { |
| throw new AssertionError(x); |
| } |
| |
| } |
| |
| /** |
| * Returns the default AsynchronousChannelProvider. |
| */ |
| public static AsynchronousChannelProvider create() { |
| String osname = GetPropertyAction.getProperty("os.name"); |
| if (osname.equals("SunOS")) |
| return createProvider("sun.nio.ch.SolarisAsynchronousChannelProvider"); |
| if (osname.equals("Linux")) |
| return createProvider("sun.nio.ch.LinuxAsynchronousChannelProvider"); |
| if (osname.contains("OS X")) |
| return createProvider("sun.nio.ch.BsdAsynchronousChannelProvider"); |
| if (osname.equals("AIX")) |
| return createProvider("sun.nio.ch.AixAsynchronousChannelProvider"); |
| throw new InternalError("platform not recognized"); |
| } |
| } |