package com.ctrip.framework.apollo.common.utils;

 import java.lang.reflect.Type;

 import java.util.Map;

 import org.springframework.web.client.HttpStatusCodeException;

 import com.google.common.base.MoreObjects;

 import com.google.gson.Gson;

 import com.google.gson.reflect.TypeToken;

 public final class ExceptionUtils {

   private static Gson gson = new Gson();

   private static Type mapType = new TypeToken<Map<String, Object>>() {}.getType();

   public static String toString(HttpStatusCodeException e) {

     Map<String, Object> errorAttributes = gson.fromJson(e.getResponseBodyAsString(), mapType);

     if (errorAttributes != null) {

       return MoreObjects.toStringHelper(HttpStatusCodeException.class).omitNullValues()

           .add("status", errorAttributes.get("status"))

           .add("message", errorAttributes.get("message"))

           .add("timestamp", errorAttributes.get("timestamp"))

           .add("exception", errorAttributes.get("exception"))

           .add("errorCode", errorAttributes.get("errorCode"))

           .add("stackTrace", errorAttributes.get("stackTrace")).toString();

     }

     return "";

   }

 }