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/*
 * Copyright (c) 2020-2030, Shuigedeng ([email protected] & https://blog.taotaocloud.top/).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.taotao.cloud.openfeign.feign;

import com.taotao.cloud.common.exception.FeignErrorException;
import com.taotao.cloud.common.utils.common.JsonUtils;
import com.taotao.cloud.common.utils.log.LogUtils;
import feign.Response;
import feign.Util;
import java.nio.charset.StandardCharsets;

public class FeignErrorDecoder implements feign.codec.ErrorDecoder {

    @Override
    public Exception decode(String methodKey, Response response) {
        String errorContent = "内部服务调用错误";

        try {
            String res = Util.toString(response.body().asReader(StandardCharsets.UTF_8));
            LogUtils.error("feign调用异常{}", res);

            FeignExceptionResult feignExceptionResult = JsonUtils.toObject(res, FeignExceptionResult.class);
            assert feignExceptionResult != null;
            errorContent = feignExceptionResult.getMsg();
        } catch (Exception e) {
            LogUtils.error(e);
        }
        return new FeignErrorException(500, errorContent);
    }
}