content: /*
   * Copyright 2017-2025 Hyland Software, Inc. and its affiliates.
   *
   * 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
   *
   *     http://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 org.activiti.cloud.acc.shared.rest.feign;
  
  import static feign.FeignException.errorStatus;
  import static org.activiti.cloud.acc.shared.serenity.exception.ExpectedExceptionHandler.isExpectingException;
  
  import feign.Response;
  import feign.Util;
  import feign.codec.ErrorDecoder;
  import java.io.IOException;
  import java.io.Reader;
  import org.activiti.cloud.acc.shared.rest.error.ExpectedRestException;
  import org.apache.commons.lang3.StringUtils;
  
  /**
   * Feign error decoder with support for expected errors
   */
  public class FeignErrorDecoder implements ErrorDecoder {
  
      @Override
      public Exception decode(String methodKey, Response response) {
          if (isExpectingException()) {
              return new ExpectedRestException(response.status(), responseBody(response));
          }
  
          return errorStatus(methodKey, response);
      }
  
      private String responseBody(Response response) {
          if (response.body() != null) {
              try (Reader reader = response.body().asReader()) {
                  return Util.toString(reader);
              } catch (IOException ignored) {
                  //ignore
              }
          }
  
          return StringUtils.EMPTY;
      }
  }
  