com.dahuatech.hutool.core.collection.EnumerationIter Maven / Gradle / Ivy

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package com.dahuatech.hutool.core.collection;

import java.io.Serializable;
import java.util.Enumeration;
import java.util.Iterator;

/**
 * {@link Enumeration}对象转{@link Iterator}对象
 *
 * @author Looly
 * @param  元素类型
 * @since 4.1.1
 */
public class EnumerationIter implements Iterator, Iterable, Serializable {
  private static final long serialVersionUID = 1L;

  private final Enumeration e;

  /**
   * 构造
   *
   * @param enumeration {@link Enumeration}对象
   */
  public EnumerationIter(Enumeration enumeration) {
    this.e = enumeration;
  }

  @Override
  public boolean hasNext() {
    return e.hasMoreElements();
  }

  @Override
  public E next() {
    return e.nextElement();
  }

  @Override
  public void remove() {
    throw new UnsupportedOperationException();
  }

  @Override
  public Iterator iterator() {
    return this;
  }
}