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.camel.example.kafka;
  
  import java.util.Map;
  
  import org.apache.kafka.clients.producer.Partitioner;
  import org.apache.kafka.common.Cluster;
  
  public class StringPartitioner implements Partitioner {
  
      public StringPartitioner() {
          // noop
      }
  
      @Override
      public void configure(Map<String, ?> configs) {
          // noop
      }
  
      @Override
      public int partition(String topic, Object key, byte[] keyBytes, Object value, byte[] valueBytes, Cluster cluster) {
          int partId = 0;
  
          if (key instanceof String) {
              String sKey = (String) key;
              int len = sKey.length();
  
              // This will return either 1 or zero
              partId = len % 2;
          }
  
          return partId;
      }
  
      @Override
      public void close() {
          // noop
      }
  
  }
  