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 com.datastax.oss.driver.internal.core.type.codec;
  
  import com.datastax.oss.driver.api.core.ProtocolVersion;
  import com.datastax.oss.driver.api.core.type.DataType;
  import com.datastax.oss.driver.api.core.type.DataTypes;
  import com.datastax.oss.driver.api.core.type.codec.TypeCodec;
  import com.datastax.oss.driver.api.core.type.codec.TypeCodecs;
  import com.datastax.oss.driver.api.core.type.reflect.GenericType;
  import com.datastax.oss.driver.internal.core.util.Strings;
  import edu.umd.cs.findbugs.annotations.NonNull;
  import edu.umd.cs.findbugs.annotations.Nullable;
  import java.nio.ByteBuffer;
  import java.time.LocalTime;
  import java.time.format.DateTimeFormatter;
  import net.jcip.annotations.ThreadSafe;
  
  @ThreadSafe
  public class TimeCodec implements TypeCodec<LocalTime> {
  
    private static final DateTimeFormatter FORMATTER =
        DateTimeFormatter.ofPattern("HH:mm:ss.SSSSSSSSS");
  
    @NonNull
    @Override
    public GenericType<LocalTime> getJavaType() {
      return GenericType.LOCAL_TIME;
    }
  
    @NonNull
    @Override
    public DataType getCqlType() {
      return DataTypes.TIME;
    }
  
    @Override
    public boolean accepts(@NonNull Object value) {
      return value instanceof LocalTime;
    }
  
    @Override
    public boolean accepts(@NonNull Class<?> javaClass) {
      return javaClass == LocalTime.class;
    }
  
    @Nullable
    @Override
    public ByteBuffer encode(@Nullable LocalTime value, @NonNull ProtocolVersion protocolVersion) {
      return (value == null)
          ? null
          : TypeCodecs.BIGINT.encodePrimitive(value.toNanoOfDay(), protocolVersion);
    }
  
    @Nullable
    @Override
    public LocalTime decode(@Nullable ByteBuffer bytes, @NonNull ProtocolVersion protocolVersion) {
      if (bytes == null || bytes.remaining() == 0) {
        return null;
      } else {
        long nanosOfDay = TypeCodecs.BIGINT.decodePrimitive(bytes, protocolVersion);
        return LocalTime.ofNanoOfDay(nanosOfDay);
      }
    }
  
    @NonNull
    @Override
    public String format(@Nullable LocalTime value) {
      return (value == null) ? "NULL" : Strings.quote(FORMATTER.format(value));
    }
  
    @Nullable
    @Override
    public LocalTime parse(@Nullable String value) {
      if (value == null || value.isEmpty() || value.equalsIgnoreCase("NULL")) {
        return null;
      }
  
      // enclosing single quotes required, even for long literals
      if (!Strings.isQuoted(value)) {
        throw new IllegalArgumentException("time values must be enclosed by single quotes");
      }
      value = value.substring(1, value.length() - 1);
  
      if (Strings.isLongLiteral(value)) {
        try {
          return LocalTime.ofNanoOfDay(Long.parseLong(value));
        } catch (NumberFormatException e) {
          throw new IllegalArgumentException(
              String.format("Cannot parse time value from \"%s\"", value), e);
        }
      }
  
      try {
        return LocalTime.parse(value);
      } catch (RuntimeException e) {
        throw new IllegalArgumentException(
            String.format("Cannot parse time value from \"%s\"", value), e);
      }
    }
  }
  