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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
+ * <http://www.apache.org/>.
+ *
+ */
+
+package ch.boye.httpclientandroidlib.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 ch.boye.httpclientandroidlib.HttpInetConnection;
+import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;
+import ch.boye.httpclientandroidlib.impl.io.SocketInputBuffer;
+import ch.boye.httpclientandroidlib.impl.io.SocketOutputBuffer;
+import ch.boye.httpclientandroidlib.io.SessionInputBuffer;
+import ch.boye.httpclientandroidlib.io.SessionOutputBuffer;
+import ch.boye.httpclientandroidlib.params.CoreConnectionPNames;
+import ch.boye.httpclientandroidlib.params.HttpParams;
+import ch.boye.httpclientandroidlib.util.Args;
+import ch.boye.httpclientandroidlib.util.Asserts;
+
+/**
+ * Implementation of a client-side HTTP connection that can be bound to an
+ * arbitrary {@link Socket} for receiving data from and transmitting data to
+ * a remote server.
+ *
+ * @since 4.0
+ *
+ * @deprecated (4.3) use {@link DefaultBHttpClientConnection}
+ */
+@NotThreadSafe
+@Deprecated
+public class SocketHttpClientConnection
+ extends AbstractHttpClientConnection implements HttpInetConnection {
+
+ private volatile boolean open;
+ private volatile Socket socket = null;
+
+ public SocketHttpClientConnection() {
+ 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}.
+ * <p>
+ * 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}.
+ * <p>
+ * 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.
+ * <p>
+ * 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.
+ * <p>
+ * After this method's execution the connection status will be reported
+ * as open and the {@link #isOpen()} will return <code>true</code>.
+ *
+ * @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;
+ }
+
+ public boolean isOpen() {
+ return this.open;
+ }
+
+ protected Socket getSocket() {
+ return this.socket;
+ }
+
+ public InetAddress getLocalAddress() {
+ if (this.socket != null) {
+ return this.socket.getLocalAddress();
+ } else {
+ return null;
+ }
+ }
+
+ public int getLocalPort() {
+ if (this.socket != null) {
+ return this.socket.getLocalPort();
+ } else {
+ return -1;
+ }
+ }
+
+ public InetAddress getRemoteAddress() {
+ if (this.socket != null) {
+ return this.socket.getInetAddress();
+ } else {
+ return null;
+ }
+ }
+
+ public int getRemotePort() {
+ if (this.socket != null) {
+ return this.socket.getPort();
+ } else {
+ return -1;
+ }
+ }
+
+ 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
+ }
+ }
+ }
+
+ public int getSocketTimeout() {
+ if (this.socket != null) {
+ try {
+ return this.socket.getSoTimeout();
+ } catch (final SocketException ignore) {
+ return -1;
+ }
+ } else {
+ return -1;
+ }
+ }
+
+ public void shutdown() throws IOException {
+ this.open = false;
+ final Socket tmpsocket = this.socket;
+ if (tmpsocket != null) {
+ tmpsocket.close();
+ }
+ }
+
+ public void close() throws IOException {
+ if (!this.open) {
+ return;
+ }
+ 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();
+ } else {
+ return super.toString();
+ }
+ }
+
+}