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Contains common classes of projects, which allow to parse feeds

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/*
 * JavaFeedParserCommon Copyright 2013-2014 Michael Rapp
 *
 * 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 . 
 */
package de.mrapp.parser.feed.common.util;

import java.util.Collection;
import java.util.LinkedList;

import de.mrapp.parser.feed.common.model.Entity;

/**
 * An utility class, which offers static methods, which allow to handle
 * instances of the type {@link Collection}.
 * 
 * @author Michael Rapp
 * 
 * @since 1.0.0
 */
public final class CollectionUtil {

	/**
	 * Creates a new utility class, which offers static methods, which allow to
	 * handle instances of the type {@link Collection}.
	 */
	private CollectionUtil() {

	}

	/**
	 * Creates and returns a deep copy of a specific collection, respectively
	 * its entries. The collection's entries must implement the interface
	 * {@link Entity}.
	 * 
	 * @param 
	 *            The type of the collection's entries
	 * @param collection
	 *            The collection, which should be cloned, as an instance of the
	 *            type {@link Collection}
	 * @return A collection, which contains the cloned entries of the given
	 *         collection, as an instance of the type {@link Collection}
	 * @throws CloneNotSupportedException
	 *             The exception, which is thrown, if at least one of the
	 *             collection's entries does not support cloning
	 */
	@SuppressWarnings("unchecked")
	public static  Collection cloneCollection(
			final Collection collection)
			throws CloneNotSupportedException {
		Collection clonedCollection = new LinkedList();

		for (EntryType entry : collection) {
			clonedCollection.add((EntryType) entry.clone());
		}

		return clonedCollection;
	}

}