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package cn.ac.iie.utils;
import cn.ac.iie.common.HttpManager;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.entity.StringEntity;
import org.apache.http.util.EntityUtils;
import org.apache.log4j.Logger;
public class CSVAlarm {
//类初始化时，自动实例化，饿汉单例模式
private static final CSVAlarm csvAlarm = new CSVAlarm();
private static Logger logger = Logger.getLogger(CSVAlarm.class);
public static CSVAlarm getInfoLoadInstance(){
return csvAlarm;
}
//私有构造方法,防止外部构建
private CSVAlarm(){
}
public void csvDataLoad(String url, String topicNmane, String data) throws Exception {
// http client
DefaultHttpClient httpClient = new DefaultHttpClient();
String topic = topicNmane;
try {
// 需要发送的数据
String msg = data;//每条数据内部"\t"分割,数据间"\n"分割;//自己又换了分隔符:每条数据内部"#"分割,数据间"$"分割;
//开始结束时间
// long start = System.currentTimeMillis();
HttpPost request = new HttpPost(url);
//用户名与密码，用于权限控制，传输时加密
// request.addHeader("User", "LiMing");
// request.addHeader("Password", "123");
//指定使用topic 自动绑定对应schema
request.addHeader("Topic", topic);
//Schema-Version可选，不填或为空默认使用最新版本的schema
request.addHeader("Schema-Version", "2");
//csv 或者 avro，大小写不敏感
request.addHeader("Format", "csv");
//行列分隔符默认为下值
// request.addHeader("Row-Split", "\\n");
// request.addHeader("Field-Split", "\\t");
request.addHeader("Row-Split", "\\n");
request.addHeader("Field-Split", ",");
StringEntity payload = new StringEntity(msg);
request.setEntity(payload);
HttpResponse response = httpClient.execute(request);
try {
int statuCode = response.getStatusLine().getStatusCode();
HttpEntity entity = response.getEntity();
if (statuCode == 200) {
logger.info("数据中心加载成功, 返回码: " + statuCode);
System.out.println("数据中心加载成功, 返回码: " + statuCode);
EntityUtils.consume(entity);
} else {
String ret = EntityUtils.toString(entity);
EntityUtils.consume(entity);
logger.info("数据中心加载失败: " + ret + " --- code: " + statuCode + " ---失败数据为: \n" + data);
System.out.println("数据中心加载失败: " + ret + " --- code: " + statuCode + " ---失败数据为: \n" + data);
logger.error("数据中心加载失败: " + ret + " --- code: " + statuCode);
System.out.println("数据中心加载失败: " + ret + " --- code: " + statuCode);
}
} catch (Exception e) {
e.printStackTrace();
}
} catch (Exception ex) {
// handle exception
ex.printStackTrace();
} finally {
httpClient.getConnectionManager().shutdown(); //Deprecated
}
}
}
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