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/*
 * ====================================================================
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * .
 *
 */

package org.apache.http.impl;

import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.SocketException;

import org.apache.http.HttpInetConnection;
import org.apache.http.impl.io.SocketInputBuffer;
import org.apache.http.impl.io.SocketOutputBuffer;
import org.apache.http.io.SessionInputBuffer;
import org.apache.http.io.SessionOutputBuffer;
import org.apache.http.params.CoreConnectionPNames;
import org.apache.http.params.HttpParams;
import org.apache.http.util.Args;
import org.apache.http.util.Asserts;

/**
 * @deprecated Do not use.
 */
@Deprecated
public class SocketHttpServerConnection extends
        AbstractHttpServerConnection implements HttpInetConnection {

    private volatile boolean open;
    private volatile Socket socket = null;

    public SocketHttpServerConnection() {
        super();
    }

    protected void assertNotOpen() {
        Asserts.check(!this.open, "Connection is already open");
    }

    @Override
    protected void assertOpen() {
        Asserts.check(this.open, "Connection is not open");
    }

    /**
     * Creates an instance of {@link SocketInputBuffer} to be used for
     * receiving data from the given {@link Socket}.
     * 

* This method can be overridden in a super class in order to provide * a custom implementation of {@link SessionInputBuffer} interface. * * @see SocketInputBuffer#SocketInputBuffer(Socket, int, HttpParams) * * @param socket the socket. * @param bufferSize the buffer size. * @param params HTTP parameters. * @return session input buffer. * @throws IOException in case of an I/O error. */ protected SessionInputBuffer createSessionInputBuffer( final Socket socket, final int bufferSize, final HttpParams params) throws IOException { return new SocketInputBuffer(socket, bufferSize, params); } /** * Creates an instance of {@link SessionOutputBuffer} to be used for * sending data to the given {@link Socket}. *

* This method can be overridden in a super class in order to provide * a custom implementation of {@link SocketOutputBuffer} interface. * * @see SocketOutputBuffer#SocketOutputBuffer(Socket, int, HttpParams) * * @param socket the socket. * @param bufferSize the buffer size. * @param params HTTP parameters. * @return session output buffer. * @throws IOException in case of an I/O error. */ protected SessionOutputBuffer createSessionOutputBuffer( final Socket socket, final int bufferSize, final HttpParams params) throws IOException { return new SocketOutputBuffer(socket, bufferSize, params); } /** * Binds this connection to the given {@link Socket}. This socket will be * used by the connection to send and receive data. *

* This method will invoke {@link #createSessionInputBuffer(Socket, int, HttpParams)} * and {@link #createSessionOutputBuffer(Socket, int, HttpParams)} methods * to create session input / output buffers bound to this socket and then * will invoke {@link #init(SessionInputBuffer, SessionOutputBuffer, HttpParams)} * method to pass references to those buffers to the underlying HTTP message * parser and formatter. *

* After this method's execution the connection status will be reported * as open and the {@link #isOpen()} will return {@code true}. * * @param socket the socket. * @param params HTTP parameters. * @throws IOException in case of an I/O error. */ protected void bind(final Socket socket, final HttpParams params) throws IOException { Args.notNull(socket, "Socket"); Args.notNull(params, "HTTP parameters"); this.socket = socket; final int bufferSize = params.getIntParameter(CoreConnectionPNames.SOCKET_BUFFER_SIZE, -1); init( createSessionInputBuffer(socket, bufferSize, params), createSessionOutputBuffer(socket, bufferSize, params), params); this.open = true; } protected Socket getSocket() { return this.socket; } @Override public boolean isOpen() { return this.open; } @Override public InetAddress getLocalAddress() { if (this.socket != null) { return this.socket.getLocalAddress(); } return null; } @Override public int getLocalPort() { if (this.socket != null) { return this.socket.getLocalPort(); } return -1; } @Override public InetAddress getRemoteAddress() { if (this.socket != null) { return this.socket.getInetAddress(); } return null; } @Override public int getRemotePort() { if (this.socket != null) { return this.socket.getPort(); } return -1; } @Override public void setSocketTimeout(final int timeout) { assertOpen(); if (this.socket != null) { try { this.socket.setSoTimeout(timeout); } catch (final SocketException ignore) { // It is not quite clear from the Sun's documentation if there are any // other legitimate cases for a socket exception to be thrown when setting // SO_TIMEOUT besides the socket being already closed } } } @Override public int getSocketTimeout() { if (this.socket != null) { try { return this.socket.getSoTimeout(); } catch (final SocketException ignore) { // ignore } } return -1; } @Override public void shutdown() throws IOException { this.open = false; final Socket tmpsocket = this.socket; if (tmpsocket != null) { tmpsocket.close(); } } @Override public void close() throws IOException { if (!this.open) { return; } this.open = false; this.open = false; final Socket sock = this.socket; try { doFlush(); try { try { sock.shutdownOutput(); } catch (final IOException ignore) { } try { sock.shutdownInput(); } catch (final IOException ignore) { } } catch (final UnsupportedOperationException ignore) { // if one isn't supported, the other one isn't either } } finally { sock.close(); } } private static void formatAddress(final StringBuilder buffer, final SocketAddress socketAddress) { if (socketAddress instanceof InetSocketAddress) { final InetSocketAddress addr = ((InetSocketAddress) socketAddress); buffer.append(addr.getAddress() != null ? addr.getAddress().getHostAddress() : addr.getAddress()) .append(':') .append(addr.getPort()); } else { buffer.append(socketAddress); } } @Override public String toString() { if (this.socket != null) { final StringBuilder buffer = new StringBuilder(); final SocketAddress remoteAddress = this.socket.getRemoteSocketAddress(); final SocketAddress localAddress = this.socket.getLocalSocketAddress(); if (remoteAddress != null && localAddress != null) { formatAddress(buffer, localAddress); buffer.append("<->"); formatAddress(buffer, remoteAddress); } return buffer.toString(); } return super.toString(); } }





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