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 io.jafka.network;
  
  import java.io.IOException;
  import java.nio.ByteBuffer;
  import java.nio.channels.GatheringByteChannel;
  
  import io.jafka.common.ErrorMapping;
  import io.jafka.utils.Utils;
  
  /**
   * @author adyliu (imxylz@gmail.com)
   * @since 1.1
   */
  public abstract class NumbersSend extends AbstractSend {
  
      protected ByteBuffer header = ByteBuffer.allocate(6);
  
      protected ByteBuffer contentBuffer;
  
      NumbersSend() {
      }
  
      public int writeTo(GatheringByteChannel channel) throws IOException {
          expectIncomplete();
          int written = 0;
          if (header.hasRemaining()) {
              written += channel.write(header);
          }
          if (!header.hasRemaining() && contentBuffer.hasRemaining()) {
              written += channel.write(contentBuffer);
          }
          if (!contentBuffer.hasRemaining()) {
              setCompleted();
          }
          return written;
      }
  
      public static class IntegersSend extends NumbersSend {
  
          public IntegersSend(int... numbers) {
              header.putInt(4 + numbers.length * 4 + 2);
              header.putShort(ErrorMapping.NoError.code);
              header.rewind();
              contentBuffer = Utils.serializeArray(numbers);
          }
      }
  
      public static class LongsSend extends NumbersSend {
  
          public LongsSend(long... numbers) {
              header.putInt(4 + numbers.length * 8 + 2);
              header.putShort(ErrorMapping.NoError.code);
              header.rewind();
              contentBuffer = Utils.serializeArray(numbers);
          }
      }
  }
  