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package com.hn.translation.impl;


import cn.hutool.http.HttpUtil;
import cn.hutool.json.JSONArray;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;
import com.hn.translation.AbstractOnlineTranslator;
import com.hn.translation.LANG;
import com.hn.translation.annotation.TranslatorComponent;

import java.util.HashMap;
import java.util.Map;

@TranslatorComponent(id="baidu")
public final class BaiduTranslator
  extends AbstractOnlineTranslator
{
  public BaiduTranslator()
  {
    this.langMap.put(LANG.EN, "en");
    this.langMap.put(LANG.ZH, "zh");
  }
  
  public String getResponse(LANG from, LANG targ, String query)
    throws Exception
  {
    Map param = new HashMap<>(5);
    param.put("from", this.langMap.get(from));
    param.put("to", this.langMap.get(targ));
    param.put("query", query);
    param.put("transtype", "translang");
    param.put("simple_means_flag", "3");
    return HttpUtil.get("http://fanyi.baidu.com/v2transapi",param);
  }
  
  protected String parseString(String jsonString)
  {
    JSONObject jsonObject = JSONUtil.parseObj(jsonString);
    JSONArray segments = jsonObject.getJSONObject("trans_result").getJSONArray("data");
    StringBuilder result = new StringBuilder();
    for (int i = 0; i < segments.size(); i++)
    {
      result.append(i == 0 ? "" : "\n");
      result.append(segments.getJSONObject(i).getStr("dst"));
    }
    return new String(result);
  }
}