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.nio.charset.Charset; import java.nio.charset.CharsetDecoder; import java.nio.charset.CharsetEncoder; import java.nio.charset.CodingErrorAction; import java.util.concurrent.atomic.AtomicLong; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.http.HttpRequest; import org.apache.http.HttpResponse; import org.apache.http.annotation.Immutable; import org.apache.http.config.ConnectionConfig; import org.apache.http.conn.HttpConnectionFactory; import org.apache.http.conn.ManagedHttpClientConnection; import org.apache.http.conn.routing.HttpRoute; import org.apache.http.impl.io.DefaultHttpRequestWriterFactory; import org.apache.http.io.HttpMessageParserFactory; import org.apache.http.io.HttpMessageWriterFactory; /** * Factory for {@link ManagedHttpClientConnection} instances. * @since 4.3 */ @Immutable public class ManagedHttpClientConnectionFactory implements HttpConnectionFactory<HttpRoute, ManagedHttpClientConnection> { private static final AtomicLong COUNTER = new AtomicLong(); public static final ManagedHttpClientConnectionFactory INSTANCE = new ManagedHttpClientConnectionFactory(); private final Log log = LogFactory.getLog(DefaultManagedHttpClientConnection.class); private final Log headerlog = LogFactory.getLog("org.apache.http.headers"); private final Log wirelog = LogFactory.getLog("org.apache.http.wire"); private final HttpMessageWriterFactory<HttpRequest> requestWriterFactory; private final HttpMessageParserFactory<HttpResponse> responseParserFactory; public ManagedHttpClientConnectionFactory(final HttpMessageWriterFactory<HttpRequest> requestWriterFactory, final HttpMessageParserFactory<HttpResponse> responseParserFactory) { super(); this.requestWriterFactory = requestWriterFactory != null ? requestWriterFactory : DefaultHttpRequestWriterFactory.INSTANCE; this.responseParserFactory = responseParserFactory != null ? responseParserFactory : DefaultHttpResponseParserFactory.INSTANCE; } public ManagedHttpClientConnectionFactory(final HttpMessageParserFactory<HttpResponse> responseParserFactory) { this(null, responseParserFactory); } public ManagedHttpClientConnectionFactory() { this(null, null); } public ManagedHttpClientConnection create(final HttpRoute route, final ConnectionConfig config) { final ConnectionConfig cconfig = config != null ? config : ConnectionConfig.DEFAULT; CharsetDecoder chardecoder = null; CharsetEncoder charencoder = null; final Charset charset = cconfig.getCharset(); final CodingErrorAction malformedInputAction = cconfig.getMalformedInputAction() != null ? cconfig.getMalformedInputAction() : CodingErrorAction.REPORT; final CodingErrorAction unmappableInputAction = cconfig.getUnmappableInputAction() != null ? cconfig.getUnmappableInputAction() : CodingErrorAction.REPORT; if (charset != null) { chardecoder = charset.newDecoder(); chardecoder.onMalformedInput(malformedInputAction); chardecoder.onUnmappableCharacter(unmappableInputAction); charencoder = charset.newEncoder(); charencoder.onMalformedInput(malformedInputAction); charencoder.onUnmappableCharacter(unmappableInputAction); } final String id = "http-outgoing-" + Long.toString(COUNTER.getAndIncrement()); return new LoggingManagedHttpClientConnection(id, log, headerlog, wirelog, cconfig.getBufferSize(), cconfig.getFragmentSizeHint(), chardecoder, charencoder, cconfig.getMessageConstraints(), null, null, requestWriterFactory, responseParserFactory); } }