apache httpclient 连接 IIB,发送XML请求

本文介绍如何利用Apache HttpClient Java库连接IBM Integration Bus (IIB) 并发送XML请求,通过创建的消息流触发响应。代码示例展示了具体的实现方法。

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在Message Broker Toolkit建立好消息流之后,需要Java发送请求到ESB服务器,触发消息流的响应,执行消息流之后再返回响应

java端发送请求用到的是apache httpclient包,使用该包可以很方便的实现请求及响应。下面附上我的请求代码:

package com.watson.httpclient;

import java.io.IOException;
import java.io.InputStreamReader;

import org.apache.http.HttpEntity;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;

public class HttpClient2ESB {

	public static void main(String[] args) {
		CloseableHttpClient httpclient = HttpClients.createDefault();
		HttpPost httppost = new HttpPost("http://localhost:7080/jmoa2ec/getOrders");
		//发送请求的XML报文,到达ESB后会自动用XMLNS解析器进行解析
                String xmlStr = "<request>" + "		<LoginName>cnpoweruser</LoginName>"
				+ "		<Password>i9Pt$hcO</Password>"
				+ "		<Company>jmoa</Company>" 
                                + "		<OrderID>4545957</OrderID>"
				+ "		<OrderDateStart>2014-10-30</OrderDateStart>"
				+ "		<OrderDateEnd>2014-10-31</OrderDateEnd>" + "</request>";
                //消息体
		StringEntity entity = new StringEntity(xmlStr, "utf-8");
                // 消息头
                httppost.addHeader("Content-Type", "text/xml");
		//将消息体绑定请求
                httppost.setEntity(entity);
		
		try {
			//开发发送请求,并返回响应消息
                        CloseableHttpResponse response = httpclient.execute(httppost);
			//获取得到响应的消息体
                        HttpEntity resEntity = response.getEntity();
			//将消息体读入InputStream,以备输出使用。
                        InputStreamReader reader = new InputStreamReader(
					resEntity.getContent(), "utf-8");
			char[] buff = new char[1024];
			int length = 0;
			while ((length = reader.read(buff)) != -1) {
                          //将响应消息打印在控制台上。
                          System.out.println(new String(buff, 0, length));
			}
			httpclient.close();
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}

	}

}



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