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.flink.streaming.connectors.influxdb.sink.writer;
  
  import com.influxdb.client.write.Point;
  import org.apache.flink.annotation.Internal;
  import org.apache.flink.core.io.SimpleVersionedSerializer;
  import org.apache.flink.streaming.connectors.influxdb.common.InfluxParser;
  
  import java.io.IOException;
  import java.nio.ByteBuffer;
  import java.nio.ByteOrder;
  import java.nio.charset.Charset;
  import java.nio.charset.StandardCharsets;
  import java.text.ParseException;
  
  @Internal
  public final class InfluxDBPointSerializer implements SimpleVersionedSerializer<Point> {
  
      private static final Charset CHARSET = StandardCharsets.UTF_8;
  
      @Override
      public int getVersion() {
          return 1;
      }
  
      @Override
      public byte[] serialize(final Point point) {
          final byte[] serialized = point.toLineProtocol().getBytes(CHARSET);
          final byte[] targetBytes = new byte[Integer.BYTES + serialized.length];
  
          final ByteBuffer bb = ByteBuffer.wrap(targetBytes).order(ByteOrder.LITTLE_ENDIAN);
          bb.putInt(serialized.length);
          bb.put(serialized);
          return targetBytes;
      }
  
      @Override
      public Point deserialize(final int version, final byte[] serialized) throws IOException {
          final ByteBuffer bb = ByteBuffer.wrap(serialized).order(ByteOrder.LITTLE_ENDIAN);
          final byte[] targetStringBytes = new byte[bb.getInt()];
          bb.get(targetStringBytes);
          final String line = new String(targetStringBytes, CHARSET);
          try {
              return InfluxParser.parseToDataPoint(line).toPoint();
          } catch (final ParseException exception) {
              throw new IOException("An parse exception occurred during parsing the line", exception);
          }
      }
  }
  