| /* |
| * Copyright (C) 2019 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.zipflinger; |
| |
| import com.android.annotations.NonNull; |
| import java.text.NumberFormat; |
| |
| public class Location implements Comparable<Location> { |
| |
| public static final Location INVALID = new Location(Long.MAX_VALUE, Long.MAX_VALUE); |
| |
| public final long first; |
| public final long last; |
| |
| public Location(long first, long size) { |
| this.first = first; |
| this.last = first + size - 1; |
| } |
| |
| public long size() { |
| return last - first + 1; |
| } |
| |
| public boolean isValid() { |
| return !this.equals(INVALID); |
| } |
| |
| @NonNull |
| @Override |
| public String toString() { |
| return "(offset=" |
| + NumberFormat.getInstance().format(first) |
| + ", size=" |
| + NumberFormat.getInstance().format(size()) |
| + ")"; |
| } |
| |
| @Override |
| public boolean equals(@NonNull Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| |
| if (!(obj instanceof Location)) { |
| return false; |
| } |
| Location other = (Location) obj; |
| return first == other.first && last == other.last; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Long.hashCode(first); |
| } |
| |
| @Override |
| public int compareTo(Location o) { |
| return Math.toIntExact(this.first - o.first); |
| } |
| } |