HttpClient是一个模拟HTTP请求的工具类,目前我们在两个地方用到了HttpClient。
- Eclipse插件调用第三方的HTTP接口。
- Action自动化测试。
我们对HttpClient进行了一个简单的封装:
package com.alibaba.itu.tala.util;
import static org.apache.commons.httpclient.params.HttpMethodParams.SO_TIMEOUT;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.params.HttpMethodParams;
/**
* HTTP 工具类.
*
* @author tengfei.fangtf
*
*/
public class HttpUtil {
/**
* 默认编码为 GB2312
*/
private static final String HTTP_CONTENT_CHARSET = "gb2312";
private static TalaLogger log = TalaLogger.getLogger();
public static final Integer MAX_TIME_OUT = 5000;
public static final Integer MAX_IDLE_TIME_OUT = 60000;
public static final Integer MAX_CONN = 100;
public static HttpClient httpClient = null;
static {
MultiThreadedHttpConnectionManager connectionManager = new MultiThreadedHttpConnectionManager();
connectionManager.closeIdleConnections(MAX_IDLE_TIME_OUT);
connectionManager.getParams().setParameter(
"http.connection-manager.max-total", MAX_CONN);
httpClient = new HttpClient(connectionManager);
httpClient.getParams().setParameter(SO_TIMEOUT,
MAX_TIME_OUT);
httpClient.getParams().setParameter("http.connection.timeout",
MAX_TIME_OUT);
httpClient.getParams().setParameter("http.connection-manager.timeout",
MAX_TIME_OUT.longValue());
}
/**
* 发送HTTP请求
*
* @param url
* @param param
* @return HTTP响应
*/
public static String sendSimplePostRequest(String url,
Map<String, Object> param) {
// HTTP方法,还有get,head,put,delete,connect,options(询问可用的选项)
PostMethod post = new PostMethod(url);
post.getParams().setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET,
HTTP_CONTENT_CHARSET);
if (param != null) {
for (Entry<String, Object> entry : param.entrySet()) {
// 排除掉空值
if (entry.getValue() != null) {
post.addParameter(entry.getKey(), entry.getValue()
.toString());
}
}
}
try {
post.addRequestHeader(new Header("Connection", "close"));
// post.addRequestHeader("Cookie", "ID=1"); //添加Cookie
httpClient.executeMethod(post);
if (post.getStatusCode() == HttpStatus.SC_OK) {
return post.getResponseBodyAsString();
} else {
post.abort();//马上断开连接
log.error("Http Comunication error ! code --> "
+ post.getStatusCode(), null);
}
} catch (Exception e) {
log
.error("Http post occur error!url=" + url + ",param="
+ param, e);
} finally {
post.releaseConnection();
}
return null;
}
}
依赖jakarta.commons.httpclient-3.1.jar
分享到:
相关推荐
HttpClient httpClient = new HttpClient(); // 设置 Http 连接超时为5秒 httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(5000); /* 2 生成 GetMethod 对象并设置参数 */ GetMethod ...
赠送jar包:httpclient-4.5.6.jar; 赠送原API文档:httpclient-4.5.6-javadoc.jar; 赠送源代码:httpclient-4.5.6-sources.jar; 赠送Maven依赖信息文件:httpclient-4.5.6.pom; 包含翻译后的API文档:httpclient...
使用HttpClient发送请求、接收响应很简单,一般需要如下几步即可。 1. 创建HttpClient对象。 2. 创建请求方法的实例,并指定请求URL。如果需要发送GET请求,创建HttpGet对象;如果需要发送POST请求,创建...
赠送jar包:httpclient-4.5.13.jar; 赠送原API文档:httpclient-4.5.13-javadoc.jar; 赠送源代码:httpclient-4.5.13-sources.jar; 赠送Maven依赖信息文件:httpclient-4.5.13.pom; 包含翻译后的API文档:...
赠送jar包:httpclient-4.5.5.jar; 赠送原API文档:httpclient-4.5.5-javadoc.jar; 赠送源代码:httpclient-4.5.5-sources.jar; 包含翻译后的API文档:httpclient-4.5.5-javadoc-API文档-中文(简体)版.zip ...
赠送jar包:httpclient-4.5.13.jar; 赠送原API文档:httpclient-4.5.13-javadoc.jar; 赠送源代码:httpclient-4.5.13-sources.jar; 赠送Maven依赖信息文件:httpclient-4.5.13.pom; 包含翻译后的API文档:...
import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.HttpException; import org.apache.commons.httpclient.HttpStatus; import org.apache.commons.httpclient.methods....
httpclient-4.5所需jar包,里面包含httpclient-4.5.jar等等10个必须的开发包。 1.commons-codec-1.9.jar 2.commons-logging-1.2.jar 3.fluent-hc-4.5.jar 4.httpclient-4.5.jar 5.httpclient-cache-4.5.jar 6....
HttpClient 4.5.3 (GA) is a maintenance release that fixes a number of defects found since 4.5.2. Please note that as of 4.4 HttpClient requires Java 1.6 or newer. Changelog: ------------------- * ...
httpclient.jar下载 包括code.jar包
try(CloseableHttpClient httpClient = HttpClients.createDefault()) { HttpPost httpPost = new HttpPost(url); StringEntity stringEntity = new StringEntity(params, Charset.forName("UTF-8")); ...
Android使用HttpClient发送请求、接收响应很简单,只要如下几步即可: Step1:创建HttpClient对象; Step2:如果需要发送GET请求,则创建HttpGet对象; 如果需要发送POST请求,则创建HttpPost对象; Step3:如果...
赠送jar包:httpclient-4.2.5.jar; 赠送原API文档:httpclient-4.2.5-javadoc.jar; 赠送源代码:httpclient-4.2.5-sources.jar; 赠送Maven依赖信息文件:httpclient-4.2.5.pom; 包含翻译后的API文档:httpclient...
赠送jar包:httpclient-4.5.10.jar; 赠送原API文档:httpclient-4.5.10-javadoc.jar; 赠送源代码:httpclient-4.5.10-sources.jar; 赠送Maven依赖信息文件:httpclient-4.5.10.pom; 包含翻译后的API文档:...
压缩包中含有多个文档,从了解httpclient到应用。 httpClient 1httpClint 1.1简介 HttpClient是Apache Jakarta Common下的子项目,用来提供高效的、最新的、功能丰富的支持HTTP协议的客户端编程工具包,并且它支持...
赠送jar包:httpclient-4.5.2.jar; 赠送原API文档:httpclient-4.5.2-javadoc.jar; 赠送源代码:httpclient-4.5.2-sources.jar; 包含翻译后的API文档:httpclient-4.5.2-javadoc-API文档-中文(简体)版.zip ...
赠送jar包:httpclient-4.4.jar; 赠送原API文档:httpclient-4.4-javadoc.jar; 赠送源代码:httpclient-4.4-sources.jar; 赠送Maven依赖信息文件:httpclient-4.4.pom; 包含翻译后的API文档:httpclient-4.4-...
帮助程序员快速从Apache的HttpClient 3.x升级到HttpClient 4.x
赠送jar包:httpclient-4.5.3.jar 赠送原API文档:httpclient-4.5.3-javadoc.jar 赠送源代码:httpclient-4.5.3-sources.jar 包含翻译后的API文档:httpclient-4.5.3-javadoc-API文档-中文(简体)版.zip 对应Maven...