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package me.chanjar.weixin.common.util.http;

import jodd.http.HttpRequest;
import jodd.http.HttpResponse;
import jodd.http.ProxyInfo;
import jodd.http.net.SocketHttpConnectionProvider;
import me.chanjar.weixin.common.bean.result.WxError;
import me.chanjar.weixin.common.exception.WxErrorException;
import org.apache.http.HttpHost;
import org.apache.http.impl.client.CloseableHttpClient;

import java.io.IOException;

/**
 * 简单的GET请求执行器，请求的参数是String, 返回的结果也是String
 *
 * @author Daniel Qian
 */
public class JoddGetRequestExecutor implements RequestExecutor {

  @Override
  public String execute(CloseableHttpClient httpclient, HttpHost httpProxy, String uri,
                        String queryParam) throws WxErrorException, IOException {
    if (queryParam != null) {
      if (uri.indexOf('?') == -1) {
        uri += '?';
      }
      uri += uri.endsWith("?") ? queryParam : '&' + queryParam;
    }

    SocketHttpConnectionProvider provider = new SocketHttpConnectionProvider();

    if (httpProxy != null) {
      ProxyInfo proxyInfoObj = new ProxyInfo(
              ProxyInfo.ProxyType.HTTP,
              httpProxy.getHostName(),
              httpProxy.getPort(), "", "");
      provider.useProxy(proxyInfoObj);
    }

    HttpRequest request = HttpRequest.get(uri);
    request.method("GET");
    request.charset("UTF-8");

    HttpResponse response = request.open(provider).send();
    response.charset("UTF-8");
    String result = response.bodyText();

    WxError error = WxError.fromJson(result);
    if (error.getErrorCode() != 0) {
      throw new WxErrorException(error);
    }
    return result;
  }

}