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/*
 * Copyright 2013 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.jackson.deser.collection;

import org.dominokit.jackson.JsonDeserializationContext;
import org.dominokit.jackson.JsonDeserializer;

/**
 * Base {@link org.dominokit.jackson.JsonDeserializer} implementation for {@link
 * java.lang.Iterable}.
 *
 * @param  {@link java.lang.Iterable} type
 * @param  Type of the elements inside the {@link java.lang.Iterable}
 */
public abstract class BaseIterableJsonDeserializer, T>
    extends JsonDeserializer {

  protected final JsonDeserializer deserializer;

  /**
   * Constructor for BaseIterableJsonDeserializer.
   *
   * @param deserializer {@link org.dominokit.jackson.JsonDeserializer} used to map the objects
   *     inside the {@link java.lang.Iterable}.
   */
  public BaseIterableJsonDeserializer(JsonDeserializer deserializer) {
    if (null == deserializer) {
      throw new IllegalArgumentException("deserializer can't be null");
    }
    this.deserializer = deserializer;
  }

  /** {@inheritDoc} */
  @Override
  public void setBackReference(
      String referenceName, Object reference, I value, JsonDeserializationContext ctx) {
    if (null != value) {
      for (T val : value) {
        deserializer.setBackReference(referenceName, reference, val, ctx);
      }
    }
  }
}