HttpRequestUtil.java

package net.mengkang.nettyrest.utils;

import org.apache.http.NameValuePair;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import java.util.List;


public class HttpRequestUtil {

    public static String post(String url, List<NameValuePair> params) {
        CloseableHttpClient   httpClient   = HttpClients.createDefault();
        String                responseText = "";
        CloseableHttpResponse httpResponse = null;

        try {
            HttpPost httpPost = new HttpPost(url);
            RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(5000).setConnectTimeout(5000).build();
            httpPost.setConfig(requestConfig);
            httpPost.setEntity(new UrlEncodedFormEntity(params, "UTF-8"));

            httpResponse = httpClient.execute(httpPost);
            if (httpResponse.getStatusLine().getStatusCode() == 200) {
                responseText = EntityUtils.toString(httpResponse.getEntity());
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (httpResponse != null) {
                    httpResponse.close();
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

        return responseText;
    }

    public static String get(String url) {
        CloseableHttpClient   httpClient   = HttpClients.createDefault();
        String                responseText = "";
        CloseableHttpResponse httpResponse = null;

        try {
            HttpGet httpGet = new HttpGet(url);
            RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(5000).setConnectTimeout(5000).build();
            httpGet.setConfig(requestConfig);

            httpResponse = httpClient.execute(httpGet);
            if (httpResponse.getStatusLine().getStatusCode() == 200) {
                responseText = EntityUtils.toString(httpResponse.getEntity());
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (httpResponse != null) {
                    httpResponse.close();
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

        return responseText;
    }
}