/*
 * Copyright (C) 2013 The Android Open Source Project
 * Copyright (C) 2015 Joe Rogers
 *
 * 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.blakequ.bluetooth_manager_lib.scan.bluetoothcompat;

import java.util.Arrays;

/**
 * Subset of utility methods for objects, used by the existing bluetooth framework
 */
/* package */ class ObjectsCompat {

    /* package */ static String toString(Object o) {
        return (o == null) ? "null" : o.toString();
    }

    /* package */ static int hash(Object... values) {
        return Arrays.hashCode(values);
    }

    /* package */ static boolean equals(Object a, Object b) {
        return (a == null) ? (b == null) : a.equals(b);
    }

    /* package */ static boolean deepEquals(Object a, Object b) {
        if (a == null || b == null) {
            return a == b;
        }
        else if (a instanceof Object[] && b instanceof Object[]) {
            return Arrays.deepEquals((Object[]) a, (Object[]) b);
        }
        else if (a instanceof boolean[] && b instanceof boolean[]) {
            return Arrays.equals((boolean[]) a, (boolean[]) b);
        }
        else if (a instanceof byte[] && b instanceof byte[]) {
            return Arrays.equals((byte[]) a, (byte[]) b);
        }
        else if (a instanceof char[] && b instanceof char[]) {
            return Arrays.equals((char[]) a, (char[]) b);
        }
        else if (a instanceof double[] && b instanceof double[]) {
            return Arrays.equals((double[]) a, (double[]) b);
        }
        else if (a instanceof float[] && b instanceof float[]) {
            return Arrays.equals((float[]) a, (float[]) b);
        }
        else if (a instanceof int[] && b instanceof int[]) {
            return Arrays.equals((int[]) a, (int[]) b);
        }
        else if (a instanceof long[] && b instanceof long[]) {
            return Arrays.equals((long[]) a, (long[]) b);
        }
        else if (a instanceof short[] && b instanceof short[]) {
            return Arrays.equals((short[]) a, (short[]) b);
        }
        return a.equals(b);
    }
}