| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * 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.android.signapk; |
| |
| /** |
| * Pair of two elements. |
| */ |
| public final class Pair<A, B> { |
| private final A mFirst; |
| private final B mSecond; |
| |
| private Pair(A first, B second) { |
| mFirst = first; |
| mSecond = second; |
| } |
| |
| public static <A, B> Pair<A, B> create(A first, B second) { |
| return new Pair<A, B>(first, second); |
| } |
| |
| public A getFirst() { |
| return mFirst; |
| } |
| |
| public B getSecond() { |
| return mSecond; |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ((mFirst == null) ? 0 : mFirst.hashCode()); |
| result = prime * result + ((mSecond == null) ? 0 : mSecond.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (getClass() != obj.getClass()) { |
| return false; |
| } |
| @SuppressWarnings("rawtypes") |
| Pair other = (Pair) obj; |
| if (mFirst == null) { |
| if (other.mFirst != null) { |
| return false; |
| } |
| } else if (!mFirst.equals(other.mFirst)) { |
| return false; |
| } |
| if (mSecond == null) { |
| if (other.mSecond != null) { |
| return false; |
| } |
| } else if (!mSecond.equals(other.mSecond)) { |
| return false; |
| } |
| return true; |
| } |
| } |