RestHighLevelClient/utils

 package com.a.iot.read;

    
  
    
 import java.io.IOException;
    
 import java.text.ParseException;
    
 import java.text.SimpleDateFormat;
    
 import java.util.ArrayList;
    
 import java.util.Date;
    
 import java.util.HashMap;
    
 import java.util.List;
    
 import java.util.Map;
    
  
    
 import org.apache.commons.lang.StringUtils;
    
 import org.apache.http.HttpHost;
    
 import org.apache.http.auth.AuthScope;
    
 import org.apache.http.auth.UsernamePasswordCredentials;
    
 import org.apache.http.client.CredentialsProvider;
    
 import org.apache.http.impl.