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.CustomType;
  import com.datastax.oss.driver.api.core.type.DataType;
  import com.datastax.oss.driver.api.core.type.codec.TypeCodec;
  import com.datastax.oss.driver.api.core.type.reflect.GenericType;
  import com.datastax.oss.protocol.internal.util.Bytes;
  import edu.umd.cs.findbugs.annotations.NonNull;
  import edu.umd.cs.findbugs.annotations.Nullable;
  import java.nio.ByteBuffer;
  import net.jcip.annotations.ThreadSafe;
  
  @ThreadSafe
  public class CustomCodec implements TypeCodec<ByteBuffer> {
  
    private final CustomType cqlType;
  
    public CustomCodec(CustomType cqlType) {
      this.cqlType = cqlType;
    }
  
    @NonNull
    @Override
    public GenericType<ByteBuffer> getJavaType() {
      return GenericType.BYTE_BUFFER;
    }
  
    @NonNull
    @Override
    public DataType getCqlType() {
      return cqlType;
    }
  
    @Override
    public boolean accepts(@NonNull Object value) {
      return value instanceof ByteBuffer;
    }
  
    @Override
    public boolean accepts(@NonNull Class<?> javaClass) {
      return ByteBuffer.class.equals(javaClass);
    }
  
    @Nullable
    @Override
    public ByteBuffer encode(@Nullable ByteBuffer value, @NonNull ProtocolVersion protocolVersion) {
      return (value == null) ? null : value.duplicate();
    }
  
    @Nullable
    @Override
    public ByteBuffer decode(@Nullable ByteBuffer bytes, @NonNull ProtocolVersion protocolVersion) {
      return (bytes == null) ? null : bytes.duplicate();
    }
  
    @NonNull
    @Override
    public String format(@Nullable ByteBuffer value) {
      return (value == null) ? "NULL" : Bytes.toHexString(value);
    }
  
    @Nullable
    @Override
    public ByteBuffer parse(@Nullable String value) {
      return (value == null || value.isEmpty() || value.equalsIgnoreCase("NULL"))
          ? null
          : Bytes.fromHexString(value);
    }
  }
  