mirror of git://gcc.gnu.org/git/gcc.git
123 lines
3.9 KiB
Java
123 lines
3.9 KiB
Java
/* ServerSocketFactory.java -- factory for server sockets.
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Copyright (C) 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.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.security.Security;
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/**
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* A factory for server sockets. The purpose of this class is to serve
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* as the superclass of server socket factories that produce server
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* sockets of a particular type, such as <i>Secure Socket Layer</i>
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* (<b>SSL</b>) server sockets.
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*
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* @author Casey Marshall (rsdio@metastatic.org)
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*/
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public abstract class ServerSocketFactory
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{
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// Constructors.
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// ------------------------------------------------------------------------
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/**
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* Default 0-argument constructor.
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*/
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protected ServerSocketFactory()
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{
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super();
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}
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// Class methods.
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// ------------------------------------------------------------------------
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/**
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* Returns the default server socket factory. The type of factory
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* returned may depend upon the installation.
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*
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* @return The default server socket factory.
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*/
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public static synchronized ServerSocketFactory getDefault()
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{
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try
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{
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String s = Security.getProperty("gnu.defaultServerSocketFactory");
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if (s != null)
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{
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Class c = Class.forName(s);
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return (ServerSocketFactory) c.newInstance();
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}
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}
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catch (Exception e)
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{
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}
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return new VanillaServerSocketFactory();
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}
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// Instance methods.
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// ------------------------------------------------------------------------
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/**
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* Create an unbound server socket.
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*
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* @return The new server socket.
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* @throws IOException If a networking error occurs.
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*/
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public ServerSocket createServerSocket() throws IOException
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{
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throw new UnsupportedOperationException();
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}
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/**
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* Create a server socket bound to the given port.
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*
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* @param port The port to bind the server socket to.
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* @return A server socket bound to <i>port</i>.
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* @throws IOException If a networking error occurs.
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*/
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public abstract ServerSocket createServerSocket(int port) throws IOException;
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public abstract ServerSocket createServerSocket(int port, int backlog) throws IOException;
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public abstract ServerSocket createServerSocket(int port, int backlog, InetAddress bindAddress) throws IOException;
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}
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