Set proxy with account/password for CloseableHttpClient

package com.hsbc.wealth.srbp;

import java.util.Map;

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.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

@Component
public class LoopAuth extends Thread {

    private static final Logger logger = LoggerFactory.getLogger(LoopAuth.class);

    Map<String, String> ctx = null;

    int sleepTime = 120000;

    @Override
    public void run() {
        logger.info("run()");

        while (ctx == null) {
            try {
                logger.info("sleeping");
                Thread.sleep(sleepTime/10);
            } catch (InterruptedException e) {
                logger.error("sleep failed", e);
            }
        }

        while (true) {
            callLogon();
            try {
                Thread.sleep(sleepTime);
            } catch (InterruptedException e) {
                logger.error("callLogon failed", e);
            }
        }
    }

    private void callLogon() {

        String url = "https://devcluster.cert-proxy/v1/logon";

        CredentialsProvider credsProvider = new BasicCredentialsProvider();
        credsProvider.setCredentials(new AuthScope("intpxy1.hk.lin", 8080),
            new UsernamePasswordCredentials(ctx.get("account"), ctx.get("password")));

        CloseableHttpClient httpclient = HttpClients.custom().setDefaultCredentialsProvider(credsProvider).build();

        try {
            HttpHost target = new HttpHost(url);
            HttpHost proxy = new HttpHost("intpxy1.hk.lin", 8080);

            RequestConfig config = RequestConfig.custom().setProxy(proxy).build();
            HttpPost httpRequest = new HttpPost(url);
            httpRequest.setConfig(config);

            httpRequest.addHeader("X-Locale", ctx.get("x-locale"));

            CloseableHttpResponse response = httpclient.execute(target, httpRequest);

            logger.info(EntityUtils.toString(response.getEntity()));

        } catch (Exception e) {
            logger.error("Cannot get auth.", e);
        }
    }

    @Override
    public void start() {
        super.start();
    }

}