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The Adobe Experience Manager SDK

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/*
 * Copyright (C) 2011 The Guava Authors
 *
 * 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 com.google.common.collect;

import static com.google.common.base.Preconditions.checkNotNull;
import com.google.common.annotations.GwtCompatible;
import java.util.Comparator;
import java.util.SortedSet;

/**
 *  Utilities for dealing with sorted collections of all types.
 *
 *  @author Louis Wasserman
 *
 * @deprecated The Google Guava Core Libraries are deprecated and will not be part of the AEM SDK after April 2023
 */
@GwtCompatible
@Deprecated(since = "2022-12-01")
final class SortedIterables {

    private SortedIterables() {
    }

    /**
     * Returns {@code true} if {@code elements} is a sorted collection using an ordering equivalent
     * to {@code comparator}.
     */
    public static boolean hasSameComparator(Comparator comparator, Iterable elements) {
        checkNotNull(comparator);
        checkNotNull(elements);
        Comparator comparator2;
        if (elements instanceof SortedSet) {
            comparator2 = comparator((SortedSet) elements);
        } else if (elements instanceof SortedIterable) {
            comparator2 = ((SortedIterable) elements).comparator();
        } else {
            return false;
        }
        return comparator.equals(comparator2);
    }

    @SuppressWarnings("unchecked")
    public static  Comparator comparator(SortedSet sortedSet) {
        Comparator result = sortedSet.comparator();
        if (result == null) {
            result = (Comparator) Ordering.natural();
        }
        return result;
    }
}