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* The Original Software is NetBeans. The Initial Developer of the Original
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import java.io.Serializable;
import java.util.AbstractMap;
import java.util.AbstractSet;
import java.util.Collection;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Set;
/**
* @since 4.37
* @author Jaroslav Tulach
*/
public class Utils {
/**
* Treat an {@link Iterator} as an {@link Iterable} so it can be used in an enhanced for-loop.
* Bear in mind that the iterator is "consumed" by the loop and so should be used only once.
* Generally it is best to put the code which obtains the iterator inside the loop header.
*
* Example of correct usage:
*
* String text = ...;
* for (String token : NbCollections.iterable(new {@link java.util.Scanner}(text))) {
* // ...
* }
*
* * @param iterator an iterator
* @return an iterable wrapper which will traverse the iterator once
* @throws NullPointerException if the iterator is null
* @see
Java bug #6312085
* @see Java bug #6360734
* @see Java bug #4988624
* @since org.openide.util 7.5
*/
public static Iterable iterable(final Iterator iterator) {
if (iterator == null) {
throw new NullPointerException();
}
return new Iterable() {
public Iterator iterator() {
return iterator;
}
};
}
}