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/*
 * Copyright (C) 2015 fuwjax.org ([email protected])
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.fuwjax.oss.util;

import java.util.Iterator;
import java.util.NoSuchElementException;
import java.util.stream.Stream;

public class Iterables {
	public static  Iterable over(final T[] array, final int offset, final int length) {
		return () -> new Iterator() {
			private int index = 0;

			@Override
			public boolean hasNext() {
				return index < length;
			}

			@Override
			public T next() {
				if (!hasNext()) {
					throw new NoSuchElementException();
				}
				return array[offset + index++];
			}
		};
	}

	public static  Iterable over(final Stream stream) {
		return stream::iterator;
	}

}