utils.java

/*
 * This file is protected by Copyright. Please refer to the COPYRIGHT file
 * distributed with this source distribution.
 *
 * This file is part of REDHAWK bulkioInterfaces.
 *
 * REDHAWK bulkioInterfaces 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.
 *
 * REDHAWK bulkioInterfaces 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 this program.  If not, see http://www.gnu.org/licenses/.
 */

package bulkio;

import java.util.Collections;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;

public class utils {
    
    //
    // convenience routine to check for null collections
    //
    public static <T> Iterable<T> emptyIfNull(Iterable<T> iterable) {
	return iterable == null ? Collections.<T>emptyList() : iterable;
    }
}