158 lines
5.9 KiB
Java
Executable File
158 lines
5.9 KiB
Java
Executable File
/*
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* Copyright 2001-2005 The Apache Software Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.commons.net;
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import java.io.IOException;
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import java.net.InetAddress;
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import java.net.ServerSocket;
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import java.net.Socket;
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import java.net.UnknownHostException;
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/***
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* DefaultSocketFactory implements the SocketFactory interface by
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* simply wrapping the java.net.Socket and java.net.ServerSocket
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* constructors. It is the default SocketFactory used by
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* {@link org.apache.commons.net.SocketClient}
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* implementations.
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* <p>
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* <p>
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* @author Daniel F. Savarese
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* @see SocketFactory
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* @see SocketClient
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* @see SocketClient#setSocketFactory
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***/
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public class DefaultSocketFactory implements SocketFactory
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{
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/***
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* Creates a Socket connected to the given host and port.
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* <p>
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* @param host The hostname to connect to.
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* @param port The port to connect to.
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* @return A Socket connected to the given host and port.
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* @exception UnknownHostException If the hostname cannot be resolved.
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* @exception IOException If an I/O error occurs while creating the Socket.
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***/
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public Socket createSocket(String host, int port)
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throws UnknownHostException, IOException
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{
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return new Socket(host, port);
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}
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/***
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* Creates a Socket connected to the given host and port.
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* <p>
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* @param address The address of the host to connect to.
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* @param port The port to connect to.
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* @return A Socket connected to the given host and port.
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* @exception IOException If an I/O error occurs while creating the Socket.
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***/
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public Socket createSocket(InetAddress address, int port)
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throws IOException
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{
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return new Socket(address, port);
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}
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/***
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* Creates a Socket connected to the given host and port and
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* originating from the specified local address and port.
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* <p>
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* @param host The hostname to connect to.
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* @param port The port to connect to.
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* @param localAddr The local address to use.
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* @param localPort The local port to use.
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* @return A Socket connected to the given host and port.
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* @exception UnknownHostException If the hostname cannot be resolved.
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* @exception IOException If an I/O error occurs while creating the Socket.
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***/
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public Socket createSocket(String host, int port,
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InetAddress localAddr, int localPort)
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throws UnknownHostException, IOException
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{
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return new Socket(host, port, localAddr, localPort);
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}
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/***
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* Creates a Socket connected to the given host and port and
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* originating from the specified local address and port.
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* <p>
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* @param address The address of the host to connect to.
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* @param port The port to connect to.
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* @param localAddr The local address to use.
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* @param localPort The local port to use.
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* @return A Socket connected to the given host and port.
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* @exception IOException If an I/O error occurs while creating the Socket.
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***/
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public Socket createSocket(InetAddress address, int port,
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InetAddress localAddr, int localPort)
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throws IOException
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{
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return new Socket(address, port, localAddr, localPort);
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}
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/***
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* Creates a ServerSocket bound to a specified port. A port
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* of 0 will create the ServerSocket on a system-determined free port.
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* <p>
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* @param port The port on which to listen, or 0 to use any free port.
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* @return A ServerSocket that will listen on a specified port.
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* @exception IOException If an I/O error occurs while creating
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* the ServerSocket.
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***/
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public ServerSocket createServerSocket(int port) throws IOException
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{
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return new ServerSocket(port);
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}
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/***
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* Creates a ServerSocket bound to a specified port with a given
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* maximum queue length for incoming connections. A port of 0 will
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* create the ServerSocket on a system-determined free port.
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* <p>
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* @param port The port on which to listen, or 0 to use any free port.
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* @param backlog The maximum length of the queue for incoming connections.
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* @return A ServerSocket that will listen on a specified port.
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* @exception IOException If an I/O error occurs while creating
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* the ServerSocket.
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***/
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public ServerSocket createServerSocket(int port, int backlog)
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throws IOException
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{
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return new ServerSocket(port, backlog);
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}
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/***
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* Creates a ServerSocket bound to a specified port on a given local
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* address with a given maximum queue length for incoming connections.
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* A port of 0 will
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* create the ServerSocket on a system-determined free port.
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* <p>
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* @param port The port on which to listen, or 0 to use any free port.
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* @param backlog The maximum length of the queue for incoming connections.
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* @param bindAddr The local address to which the ServerSocket should bind.
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* @return A ServerSocket that will listen on a specified port.
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* @exception IOException If an I/O error occurs while creating
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* the ServerSocket.
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***/
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public ServerSocket createServerSocket(int port, int backlog,
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InetAddress bindAddr)
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throws IOException
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{
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return new ServerSocket(port, backlog, bindAddr);
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}
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}
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