IterableEnumeration.java

/*
 * This file is part of GumTree.
 *
 * GumTree is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * GumTree 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with GumTree.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Copyright 2011-2015 Jean-Rémy Falleri <jr.falleri@gmail.com>
 * Copyright 2011-2015 Floréal Morandat <florealm@gmail.com>
 */

package com.github.gumtreediff.tree;

import java.util.Enumeration;
import java.util.Iterator;

public abstract class IterableEnumeration<T> implements Iterable<T> {

    public static <T> Iterable<T> make(Enumeration<T> en) {
        return new Iterable<T>(){
            public Iterator<T> iterator() {
                return new Iterator<T>() {
                    @Override
                    public boolean hasNext() {
                        return en.hasMoreElements();
                    }

                    @Override
                    public T next() {
                        return en.nextElement();
                    }

                    @Override
                    public void remove() {
                        throw new UnsupportedOperationException();
                    }
                };
            }
        };
    }
}