/*
 * 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.hadoop.hdds.utils.db;

import java.nio.charset.StandardCharsets;

/**
 * A {@link Codec} to serialize/deserialize {@link String}
 * using {@link StandardCharsets#UTF_8},
 * a variable-length character encoding.
 */
public final class StringCodec extends StringCodecBase.WithFallback {
  private static final StringCodec CODEC_WITH_FALLBACK = new StringCodec();
  private static final Codec<String> CODEC_NO_FALLBACK = new StringCodecBase(StandardCharsets.UTF_8) { };

  public static StringCodec get() {
    return CODEC_WITH_FALLBACK;
  }

  public static Codec<String> getCodecNoFallback() {
    return CODEC_NO_FALLBACK;
  }

  private StringCodec() {
    // singleton
    super(StandardCharsets.UTF_8);
  }
}
