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.kafka.streams.state.internals;
  
  import org.apache.kafka.common.header.Headers;
  import org.apache.kafka.common.serialization.Deserializer;
  import org.apache.kafka.common.serialization.Serde;
  import org.apache.kafka.common.serialization.Serializer;
  import org.apache.kafka.common.serialization.StringDeserializer;
  import org.apache.kafka.common.serialization.StringSerializer;
  
  import java.nio.ByteBuffer;
  
  class SerdeThatDoesntHandleNull implements Serde<String> {
      @Override
      public Serializer<String> serializer() {
          return new StringSerializer();
      }
  
      @Override
      public Deserializer<String> deserializer() {
          return new StringDeserializer() {
              @Override
              public String deserialize(final String topic, final byte[] data) {
                  if (data == null) {
                      throw new NullPointerException();
                  }
                  return super.deserialize(topic, data);
              }
  
              @Override
              public String deserialize(final String topic, final Headers headers, final ByteBuffer data) {
                  if (data == null) {
                      throw new NullPointerException();
                  }
                  return super.deserialize(topic, headers, data);
              }
          };
      }
  }
  