AFGenericServerSocket.java
/*
* junixsocket
*
* Copyright 2009-2024 Christian Kohlschütter
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.newsclub.net.unix;
import java.io.FileDescriptor;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.SocketException;
/**
* The server part of a "unknown-type" socket.
*
* @author Christian Kohlschütter
*/
final class AFGenericServerSocket extends AFServerSocket<AFGenericSocketAddress> {
AFGenericServerSocket(FileDescriptor fdObj) throws IOException {
super(fdObj);
}
@Override
protected AFServerSocketChannel<AFGenericSocketAddress> newChannel() {
return new AFGenericServerSocketChannel(this);
}
@Override
public AFGenericServerSocketChannel getChannel() {
return (AFGenericServerSocketChannel) super.getChannel();
}
/**
* Returns a new, unbound unkown-type {@link ServerSocket}.
*
* @return The new, unbound {@link AFServerSocket}.
* @throws IOException if the operation fails.
*/
public static AFGenericServerSocket newInstance() throws IOException {
return (AFGenericServerSocket) AFServerSocket.newInstance(AFGenericServerSocket::new);
}
static AFGenericServerSocket newInstance(FileDescriptor fdObj, int localPort, int remotePort)
throws IOException {
return (AFGenericServerSocket) AFServerSocket.newInstance(AFGenericServerSocket::new, fdObj,
localPort, remotePort);
}
/**
* Returns a new unkown-type {@link ServerSocket} that is bound to the given
* {@link AFGenericSocketAddress}.
*
* @param addr The socket file to bind to.
* @return The new, bound {@link AFServerSocket}.
* @throws IOException if the operation fails.
*/
public static AFGenericServerSocket bindOn(final AFGenericSocketAddress addr) throws IOException {
return (AFGenericServerSocket) AFServerSocket.bindOn(AFGenericServerSocket::new, addr);
}
/**
* Returns a new unkown-type {@link ServerSocket} that is bound to the given
* {@link AFSocketAddress}.
*
* @param addr The socket file to bind to.
* @param deleteOnClose If {@code true}, the socket file (if the address points to a file) will be
* deleted upon {@link #close}.
* @return The new, bound {@link AFServerSocket}.
* @throws IOException if the operation fails.
*/
public static AFGenericServerSocket bindOn(final AFGenericSocketAddress addr,
boolean deleteOnClose) throws IOException {
return (AFGenericServerSocket) AFServerSocket.bindOn(AFGenericServerSocket::new, addr,
deleteOnClose);
}
/**
* Returns a new, <em>unbound</em> unkown-type {@link ServerSocket} that will always bind to the
* given address, regardless of any socket address used in a call to <code>bind</code>.
*
* @param forceAddr The address to use.
* @return The new, yet unbound {@link AFServerSocket}.
* @throws IOException if an exception occurs.
*/
public static AFGenericServerSocket forceBindOn(final AFGenericSocketAddress forceAddr)
throws IOException {
return (AFGenericServerSocket) AFServerSocket.forceBindOn(AFGenericServerSocket::new,
forceAddr);
}
@Override
protected AFSocketImpl<AFGenericSocketAddress> newImpl(FileDescriptor fdObj)
throws SocketException {
return new AFGenericSocketImpl(fdObj);
}
@Override
protected AFSocket<AFGenericSocketAddress> newSocketInstance() throws IOException {
return AFGenericSocket.newInstance();
}
@Override
public AFGenericSocket accept() throws IOException {
return (AFGenericSocket) super.accept();
}
}