javaparser-symbol-solver-testing/src/test/test_sourcecode/javaparser_src/proper_source/com/github/javaparser/ast/internal/Utils.java

/*
 * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
 * Copyright (C) 2011, 2013-2015 The JavaParser Team.
 *
 * This file is part of JavaParser.
 *
 * JavaParser can be used either under the terms of
 * a) 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.
 * b) the terms of the Apache License
 *
 * You should have received a copy of both licenses in LICENCE.LGPL and
 * LICENCE.APACHE. Please refer to those files for details.
 *
 * JavaParser 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.
 */

package com.github.javaparser.ast.internal;

import java.util.Collection;
import java.util.Collections;
import java.util.List;

/**
 * @author Federico Tomassetti
 * @since 2.0.1
 */
public class Utils {

    public static <T> List<T> ensureNotNull(List<T> list) {
        return list == null ? Collections.<T>emptyList() : list;
    }

    public static <E> boolean isNullOrEmpty(Collection<E> collection) {
        return collection == null || collection.isEmpty();
    }
}