content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.apache.cassandra.sidecar.common.request;
  
  import java.io.IOException;
  
  import com.fasterxml.jackson.databind.DeserializationFeature;
  import com.fasterxml.jackson.databind.ObjectMapper;
  
  /**
   * Decoder for json response body bytes
   * @param <T> expected java type
   */
  public class JsonResponseBytesDecoder<T> implements ResponseBytesDecoder<T>
  {
      private static final ObjectMapper MAPPER = new ObjectMapper()
                                         // ignore all the properties that are not declared
                                         .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
      private final Class<T> type;
  
      public JsonResponseBytesDecoder(Class<T> type)
      {
          this.type = type;
      }
  
      @Override
      public T decode(byte[] bytes) throws IOException
      {
          if (bytes == null)
          {
              return null;
          }
          return MAPPER.readValue(bytes, type);
      }
  }
  