Java tutorial
package com.creditease.bdp.axis2.transport.http; /* * 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. */ import org.apache.axis2.context.ConfigurationContext; import org.apache.axis2.context.MessageContext; import org.apache.axis2.transport.http.HTTPConstants; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.HttpConnectionManager; import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager; import org.apache.commons.httpclient.params.HttpConnectionManagerParams; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; public class HTTPSender extends org.apache.axis2.transport.http.HTTPSender { private static final Log log = LogFactory.getLog(HTTPSender.class); @Override protected HttpClient getHttpClient(MessageContext msgContext) { ConfigurationContext configContext = msgContext.getConfigurationContext(); HttpClient httpClient = (HttpClient) msgContext.getProperty(HTTPConstants.CACHED_HTTP_CLIENT); if (httpClient == null) { httpClient = (HttpClient) configContext.getProperty(HTTPConstants.CACHED_HTTP_CLIENT); } if (httpClient != null) { return httpClient; } synchronized (this) { httpClient = (HttpClient) msgContext.getProperty(HTTPConstants.CACHED_HTTP_CLIENT); if (httpClient == null) { httpClient = (HttpClient) configContext.getProperty(HTTPConstants.CACHED_HTTP_CLIENT); } if (httpClient != null) { return httpClient; } HttpConnectionManager connManager = (HttpConnectionManager) msgContext .getProperty(HTTPConstants.MULTITHREAD_HTTP_CONNECTION_MANAGER); if (connManager == null) { connManager = (HttpConnectionManager) msgContext .getProperty(HTTPConstants.MUTTITHREAD_HTTP_CONNECTION_MANAGER); } if (connManager == null) { // reuse HttpConnectionManager synchronized (configContext) { connManager = (HttpConnectionManager) configContext .getProperty(HTTPConstants.MULTITHREAD_HTTP_CONNECTION_MANAGER); if (connManager == null) { log.trace("Making new ConnectionManager"); connManager = new MultiThreadedHttpConnectionManager(); // NOTE: Added by CJ Integer maxConnectionPerHostConf = (Integer) msgContext .getProperty(Constants.MAX_CONNECTIONS_PER_HOST); Integer maxConnectionTotalConf = (Integer) msgContext .getProperty(Constants.MAX_CONNECTIONS_TOTAL); if (maxConnectionPerHostConf != null || maxConnectionTotalConf != null) { HttpConnectionManagerParams param = new HttpConnectionManagerParams(); if (maxConnectionPerHostConf != null) { param.setDefaultMaxConnectionsPerHost(maxConnectionPerHostConf); } if (maxConnectionTotalConf != null) { param.setMaxTotalConnections(maxConnectionTotalConf); } connManager.setParams(param); } configContext.setProperty(HTTPConstants.MULTITHREAD_HTTP_CONNECTION_MANAGER, connManager); } } } /* * Create a new instance of HttpClient since the way * it is used here it's not fully thread-safe. */ httpClient = new HttpClient(connManager); // Set the default timeout in case we have a connection pool starvation to 30sec httpClient.getParams().setConnectionManagerTimeout(30000); // Get the timeout values set in the runtime initializeTimeouts(msgContext, httpClient); return httpClient; } } }