| 1 | // Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. |
| 2 | |
| 3 | namespace WixToolset.Data |
| 4 | { |
| 5 | using System; |
| 6 | using SimpleJson; |
| 7 | |
| 8 | internal static class JsonObjectExtensions |
| 9 | { |
| 10 | public static JsonObject AddNonDefaultValue(this JsonObject jsonObject, string key, bool value, bool defaultValue = default(bool)) |
| 11 | { |
| 12 | if (value != defaultValue) |
| 13 | { |
| 14 | jsonObject.Add(key, value); |
| 15 | } |
| 16 | |
| 17 | return jsonObject; |
| 18 | } |
| 19 | |
| 20 | public static JsonObject AddNonDefaultValue(this JsonObject jsonObject, string key, int value, int defaultValue = default(int)) |
| 21 | { |
| 22 | if (value != defaultValue) |
| 23 | { |
| 24 | jsonObject.Add(key, value); |
| 25 | } |
| 26 | |
| 27 | return jsonObject; |
| 28 | } |
| 29 | |
| 30 | public static JsonObject AddNonDefaultValue(this JsonObject jsonObject, string key, object value, object defaultValue = null) |
| 31 | { |
| 32 | if (value != defaultValue) |
| 33 | { |
| 34 | jsonObject.Add(key, value); |
| 35 | } |
| 36 | |
| 37 | return jsonObject; |
| 38 | } |
| 39 | |
| 40 | public static JsonObject AddIsNotNullOrEmpty(this JsonObject jsonObject, string key, string value) |
| 41 | { |
| 42 | if (!String.IsNullOrEmpty(value)) |
| 43 | { |
| 44 | jsonObject.Add(key, value); |
| 45 | } |
| 46 | |
| 47 | return jsonObject; |
| 48 | } |
| 49 | |
| 50 | public static bool GetValueOrDefault(this JsonObject jsonObject, string key, bool defaultValue) |
| 51 | { |
| 52 | return jsonObject.TryGetValue(key, out var value) ? Convert.ToBoolean(value) : defaultValue; |
| 53 | } |
| 54 | |
| 55 | public static int GetValueOrDefault(this JsonObject jsonObject, string key, int defaultValue) |
| 56 | { |
| 57 | return jsonObject.TryGetValue(key, out var value) ? Convert.ToInt32(value) : defaultValue; |
| 58 | } |
| 59 | |
| 60 | public static int? GetValueOrDefault(this JsonObject jsonObject, string key, int? defaultValue) |
| 61 | { |
| 62 | return jsonObject.TryGetValue(key, out var value) ? Convert.ToInt32(value) : defaultValue; |
| 63 | } |
| 64 | |
| 65 | public static T GetValueOrDefault<T>(this JsonObject jsonObject, string key, T defaultValue = default(T)) where T : class |
| 66 | { |
| 67 | return jsonObject.TryGetValue(key, out var value) ? value as T : defaultValue; |
| 68 | } |
| 69 | |
| 70 | public static T GetEnumOrDefault<T>(this JsonObject jsonObject, string key, T defaultValue) where T : struct |
| 71 | { |
| 72 | #if DEBUG |
| 73 | if (!typeof(T).IsEnum) { throw new ArgumentException("This method only supports enums.", nameof(T)); } |
| 74 | #endif |
| 75 | var value = jsonObject.GetValueOrDefault<string>(key); |
| 76 | return Enum.TryParse(value, true, out T e) ? e : defaultValue; |
| 77 | } |
| 78 | } |
| 79 | } |