/*
* Copyright (c) 2008, 2010, 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.
*
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package sun.nio.ch;
import java.nio.channels.*;
import java.nio.channels.spi.AsynchronousChannelProvider;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.ThreadFactory;
import java.io.IOException;
public class SolarisAsynchronousChannelProvider
extends AsynchronousChannelProvider
{
private static volatile SolarisEventPort defaultEventPort;
private SolarisEventPort defaultEventPort() throws IOException {
if (defaultEventPort == null) {
synchronized (SolarisAsynchronousChannelProvider.class) {
if (defaultEventPort == null) {
defaultEventPort =
new SolarisEventPort(this, ThreadPool.getDefault()).start();
}
}
}
return defaultEventPort;
}
public SolarisAsynchronousChannelProvider() {
}
@Override
public AsynchronousChannelGroup openAsynchronousChannelGroup(int nThreads, ThreadFactory factory)
throws IOException
{
return new SolarisEventPort(this, ThreadPool.create(nThreads, factory)).start();
}
@Override
public AsynchronousChannelGroup openAsynchronousChannelGroup(ExecutorService executor, int initialSize)
throws IOException
{
return new SolarisEventPort(this, ThreadPool.wrap(executor, initialSize)).start();
}
private SolarisEventPort toEventPort(AsynchronousChannelGroup group)
throws IOException
{
if (group == null) {
return defaultEventPort();
} else {
if (!(group instanceof SolarisEventPort))
throw new IllegalChannelGroupException();
return (SolarisEventPort)group;
}
}
@Override
public AsynchronousServerSocketChannel openAsynchronousServerSocketChannel(AsynchronousChannelGroup group)
throws IOException
{
return new UnixAsynchronousServerSocketChannelImpl(toEventPort(group));
}
@Override
public AsynchronousSocketChannel openAsynchronousSocketChannel(AsynchronousChannelGroup group)
throws IOException
{
return new UnixAsynchronousSocketChannelImpl(toEventPort(group));
}
}