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/*
 * Copyright 2015 Nicolas Morel
 *
 * Licensed 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.dominokit.jacksonapt.ser.map.key;

import org.dominokit.jacksonapt.JsonSerializationContext;

/**
 * Default {@link org.dominokit.jacksonapt.ser.map.key.KeySerializer} implementation for {@link
 * java.lang.Number}.
 */
public final class NumberKeySerializer extends KeySerializer {

  private static final NumberKeySerializer INSTANCE = new NumberKeySerializer();

  /**
   * getInstance
   *
   * @return an instance of {@link org.dominokit.jacksonapt.ser.map.key.NumberKeySerializer}
   */
  @SuppressWarnings("unchecked")
  public static NumberKeySerializer getInstance() {
    return INSTANCE;
  }

  private NumberKeySerializer() {}

  /** {@inheritDoc} */
  @Override
  public boolean mustBeEscaped(JsonSerializationContext ctx) {
    return false;
  }

  /** {@inheritDoc} */
  @Override
  protected String doSerialize(Number value, JsonSerializationContext ctx) {
    return value.toString();
  }
}