The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/util/LangUtils.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,105 @@
     1.4 +/*
     1.5 + * ====================================================================
     1.6 + * Licensed to the Apache Software Foundation (ASF) under one
     1.7 + * or more contributor license agreements.  See the NOTICE file
     1.8 + * distributed with this work for additional information
     1.9 + * regarding copyright ownership.  The ASF licenses this file
    1.10 + * to you under the Apache License, Version 2.0 (the
    1.11 + * "License"); you may not use this file except in compliance
    1.12 + * with the License.  You may obtain a copy of the License at
    1.13 + *
    1.14 + *   http://www.apache.org/licenses/LICENSE-2.0
    1.15 + *
    1.16 + * Unless required by applicable law or agreed to in writing,
    1.17 + * software distributed under the License is distributed on an
    1.18 + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    1.19 + * KIND, either express or implied.  See the License for the
    1.20 + * specific language governing permissions and limitations
    1.21 + * under the License.
    1.22 + * ====================================================================
    1.23 + *
    1.24 + * This software consists of voluntary contributions made by many
    1.25 + * individuals on behalf of the Apache Software Foundation.  For more
    1.26 + * information on the Apache Software Foundation, please see
    1.27 + * <http://www.apache.org/>.
    1.28 + *
    1.29 + */
    1.30 +
    1.31 +package ch.boye.httpclientandroidlib.util;
    1.32 +
    1.33 +/**
    1.34 + * A set of utility methods to help produce consistent
    1.35 + * {@link Object#equals equals} and {@link Object#hashCode hashCode} methods.
    1.36 + *
    1.37 + *
    1.38 + * @since 4.0
    1.39 + */
    1.40 +public final class LangUtils {
    1.41 +
    1.42 +    public static final int HASH_SEED = 17;
    1.43 +    public static final int HASH_OFFSET = 37;
    1.44 +
    1.45 +    /** Disabled default constructor. */
    1.46 +    private LangUtils() {
    1.47 +    }
    1.48 +
    1.49 +    public static int hashCode(final int seed, final int hashcode) {
    1.50 +        return seed * HASH_OFFSET + hashcode;
    1.51 +    }
    1.52 +
    1.53 +    public static int hashCode(final int seed, final boolean b) {
    1.54 +        return hashCode(seed, b ? 1 : 0);
    1.55 +    }
    1.56 +
    1.57 +    public static int hashCode(final int seed, final Object obj) {
    1.58 +        return hashCode(seed, obj != null ? obj.hashCode() : 0);
    1.59 +    }
    1.60 +
    1.61 +    /**
    1.62 +     * Check if two objects are equal.
    1.63 +     *
    1.64 +     * @param obj1 first object to compare, may be {@code null}
    1.65 +     * @param obj2 second object to compare, may be {@code null}
    1.66 +     * @return {@code true} if the objects are equal or both null
    1.67 +     */
    1.68 +    public static boolean equals(final Object obj1, final Object obj2) {
    1.69 +        return obj1 == null ? obj2 == null : obj1.equals(obj2);
    1.70 +    }
    1.71 +
    1.72 +    /**
    1.73 +     * Check if two object arrays are equal.
    1.74 +     * <p>
    1.75 +     * <ul>
    1.76 +     * <li>If both parameters are null, return {@code true}</li>
    1.77 +     * <li>If one parameter is null, return {@code false}</li>
    1.78 +     * <li>If the array lengths are different, return {@code false}</li>
    1.79 +     * <li>Compare array elements using .equals(); return {@code false} if any comparisons fail.</li>
    1.80 +     * <li>Return {@code true}</li>
    1.81 +     * </ul>
    1.82 +     *
    1.83 +     * @param a1 first array to compare, may be {@code null}
    1.84 +     * @param a2 second array to compare, may be {@code null}
    1.85 +     * @return {@code true} if the arrays are equal or both null
    1.86 +     */
    1.87 +    public static boolean equals(final Object[] a1, final Object[] a2) {
    1.88 +        if (a1 == null) {
    1.89 +            if (a2 == null) {
    1.90 +                return true;
    1.91 +            } else {
    1.92 +                return false;
    1.93 +            }
    1.94 +        } else {
    1.95 +            if (a2 != null && a1.length == a2.length) {
    1.96 +                for (int i = 0; i < a1.length; i++) {
    1.97 +                    if (!equals(a1[i], a2[i])) {
    1.98 +                        return false;
    1.99 +                    }
   1.100 +                }
   1.101 +                return true;
   1.102 +            } else {
   1.103 +                return false;
   1.104 +            }
   1.105 +        }
   1.106 +    }
   1.107 +
   1.108 +}