IteratorUtils.java

package org.apache.commons.collections15;

import java.util.Iterator;

import org.apache.commons.collections15.iterators.UnmodifiableIterator;

public class IteratorUtils {

	// Unmodifiable
	// -----------------------------------------------------------------------
	/**
	 * Gets an immutable version of an {@link Iterator}. The returned object
	 * will always throw an {@link UnsupportedOperationException} for the
	 * {@link Iterator#remove} method.
	 *
	 * @param iterator
	 *            the iterator to make immutable
	 * @return an immutable version of the iterator
	 */
	public static <E> Iterator<E> unmodifiableIterator(Iterator<E> iterator) {
		return UnmodifiableIterator.decorate(iterator);
	}

}