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Simple utility class that makes an java.util.Iterator java.lang.Iterable by returning the java.util.Iterator itself.

public final class IteratorIterable<T> implements Iterable<T> {
  private Iterator<T> iterator;


Constructs an IteratorIterable for an java.util.Iterator.

iterator java.util.Iterator on which to base this IteratorIterable
  public IteratorIterable(Iterator<T> iterator) {
    if (iterator == null) {
      throw new IllegalArgumentException("iterator is null");
    this. = iterator;
  public Iterator<T> iterator() {
    if ( == null) {
      throw new IllegalStateException("iterator() has already been called");
    Iterator<T> result = ;
     = null;
    return result;
  public String toString() {
    return "IteratorIterable[iterator:" +  + ']';
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