Java tutorial
/* * ==================================================================== * 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 org.apache.http.impl.conn; import java.io.IOException; import java.io.InterruptedIOException; import java.net.Socket; import java.nio.charset.CharsetDecoder; import java.nio.charset.CharsetEncoder; import java.util.Map; import java.util.concurrent.ConcurrentHashMap; import javax.net.ssl.SSLSession; import javax.net.ssl.SSLSocket; import org.apache.http.HttpRequest; import org.apache.http.HttpResponse; import org.apache.http.annotation.NotThreadSafe; import org.apache.http.config.MessageConstraints; import org.apache.http.conn.ManagedHttpClientConnection; import org.apache.http.entity.ContentLengthStrategy; import org.apache.http.impl.DefaultBHttpClientConnection; import org.apache.http.io.HttpMessageParserFactory; import org.apache.http.io.HttpMessageWriterFactory; import org.apache.http.protocol.HttpContext; /** * Default {@link ManagedHttpClientConnection} implementation. * @since 4.3 */ @NotThreadSafe public class DefaultManagedHttpClientConnection extends DefaultBHttpClientConnection implements ManagedHttpClientConnection, HttpContext { private final String id; private final Map<String, Object> attributes; private volatile boolean shutdown; public DefaultManagedHttpClientConnection(final String id, final int buffersize, final int fragmentSizeHint, final CharsetDecoder chardecoder, final CharsetEncoder charencoder, final MessageConstraints constraints, final ContentLengthStrategy incomingContentStrategy, final ContentLengthStrategy outgoingContentStrategy, final HttpMessageWriterFactory<HttpRequest> requestWriterFactory, final HttpMessageParserFactory<HttpResponse> responseParserFactory) { super(buffersize, fragmentSizeHint, chardecoder, charencoder, constraints, incomingContentStrategy, outgoingContentStrategy, requestWriterFactory, responseParserFactory); this.id = id; this.attributes = new ConcurrentHashMap<String, Object>(); } public DefaultManagedHttpClientConnection(final String id, final int buffersize) { this(id, buffersize, buffersize, null, null, null, null, null, null, null); } public String getId() { return this.id; } @Override public void shutdown() throws IOException { this.shutdown = true; super.shutdown(); } public Object getAttribute(final String id) { return this.attributes.get(id); } public Object removeAttribute(final String id) { return this.attributes.remove(id); } public void setAttribute(final String id, final Object obj) { this.attributes.put(id, obj); } @Override public void bind(final Socket socket) throws IOException { if (this.shutdown) { socket.close(); // allow this to throw... // ...but if it doesn't, explicitly throw one ourselves. throw new InterruptedIOException("Connection already shutdown"); } super.bind(socket); } @Override public Socket getSocket() { return super.getSocket(); } public SSLSession getSSLSession() { final Socket socket = super.getSocket(); if (socket instanceof SSLSocket) { return ((SSLSocket) socket).getSession(); } else { return null; } } }