/*
 * Copyright (C) 2010-2014 Thialfihar <thi@thialfihar.org>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.sufficientlysecure.keychain.util;

import java.util.ArrayList;
import java.util.Iterator;

public class IterableIterator<T> implements Iterable<T> {
    private Iterator<T> mIter;

    public IterableIterator(Iterator<T> iter, boolean failsafe) {
        mIter = iter;
        if (failsafe && mIter == null) {
            // is there a better way?
            mIter = new ArrayList<T>().iterator();
        }
    }
    public IterableIterator(Iterator<T> iter) {
        this(iter, false);
    }

    public Iterator<T> iterator() {
        return mIter;
    }
}