juneau-core/juneau-marshall/src/main/java/org/apache/juneau/transforms/IteratorSwap.java

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package org.apache.juneau.transforms;

import java.util.*;

import org.apache.juneau.*;
import org.apache.juneau.transform.*;

/**
 * Transforms {@link Iterator Iterators} to {@code List<Object>} objects.
 *
 * <p>
 * This is a one-way transform, since {@code Iterators} cannot be reconstituted.
 */
@SuppressWarnings({"unchecked","rawtypes"})
public class IteratorSwap extends PojoSwap<Iterator,List> {

	/**
	 * Converts the specified {@link Iterator} to a {@link List}.
	 */
	@Override /* PojoSwap */
	public List swap(BeanSession session, Iterator o) {
		List l = new LinkedList();
		while (o.hasNext())
			l.add(o.next());
		return l;
	}
}