DocumentCollectionIterator.java

package org.openntf.domino.iterators;

import java.util.Iterator;

import org.openntf.domino.DocumentCollection;

public class DocumentCollectionIterator implements Iterator<org.openntf.domino.Document> {
	private final org.openntf.domino.DocumentCollection documentCollection_;

	private org.openntf.domino.Document currWrapper = null;
	private org.openntf.domino.Document nextWrapper;

	public DocumentCollectionIterator(final DocumentCollection documentCollection) {
		documentCollection_ = documentCollection;
		nextWrapper = documentCollection_.getFirstDocument();
	}

	@Override
	public boolean hasNext() {
		return nextWrapper != null; // something in Queue?
	}

	/* (non-Javadoc)
	 * @see java.util.Iterator#next()
	 */
	@SuppressWarnings("deprecation")
	@Override
	public org.openntf.domino.Document next() {
		//		try {
		//currLotusDoc = nextLotusDoc;
		//			if (currWrapper != null) {
		//				System.out.println("CollIsDead:" + documentCollection_.isDead());
		//				System.out.println("CurrIsDead:" + currWrapper.isDead());
		//				System.out.println("NextIsDead:" + nextWrapper.isDead());
		//				System.out.println("CurrUNID:  " + currWrapper.getUniversalID());
		//				System.out.println("NextUNID:  " + nextWrapper.getUniversalID());
		//			}

		if (nextWrapper == null || nextWrapper.isDead()) {
			if (nextWrapper == null) {
				System.out.println("ALERT: Wrapped version of next document is NULL");
			} else if (nextWrapper.isDead()) {
				System.out.println("ALERT: Wrapped version of next document is dead");
			} else {
				System.out.println("ALERT: It should have been impossible to arrive here");
				throw new RuntimeException();
			}
		}
		currWrapper = nextWrapper;
		if (nextWrapper != null) {
			nextWrapper = documentCollection_.getNextDocument(nextWrapper);
		}
		return currWrapper;
	}

	/* (non-Javadoc)
	 * @see java.util.Iterator#remove()
	 */
	@Override
	public void remove() {
		documentCollection_.deleteDocument(currWrapper);
	}

}