blob: 6bb37d2d4238003a2f6d328a668bf2145ee9db1c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
|
using Google.Protobuf;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using Tango.PMR.Common;
namespace Tango.PMR
{
/// <summary>
/// Contains helper class for encoding and decoding PMR messages.
/// </summary>
public static class MessageFactory
{
private static Dictionary<MessageType, Type> _pmrTypes;
private static MethodInfo _parseTangoMessageMethod;
static MessageFactory()
{
_parseTangoMessageMethod = typeof(MessageFactory).GetMethod("ParseTangoMessage", BindingFlags.Public | BindingFlags.Static);
_pmrTypes = new Dictionary<MessageType, Type>();
var types = typeof(MessageFactory).Assembly.GetTypes().ToList();
foreach (var value in Enum.GetValues(typeof(MessageType)).OfType<MessageType>())
{
var type = types.SingleOrDefault(x => x.Name == value.ToOriginalName());
if (type != null)
{
_pmrTypes.Add(value, type);
}
}
}
/// <summary>
/// Creates a new <see cref="TangoMessage{T}"/>.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public static TangoMessage<T> CreateTangoMessage<T>() where T : IMessage<T>
{
TangoMessage<T> tango = new TangoMessage<T>(Activator.CreateInstance<T>(), ParseMessageType(typeof(T).Name));
return tango;
}
/// <summary>
/// Creates a new <see cref="TangoMessage{T}"/>.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public static TangoMessage<T> CreateTangoMessage<T>(T message) where T : IMessage<T>
{
TangoMessage<T> tango = CreateTangoMessage<T>();
tango.Message = message;
return tango;
}
/// <summary>
/// Creates a new <see cref="TangoMessage{T}"/>.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public static TangoMessage<T> CreateTangoMessage<T>(String token) where T : IMessage<T>
{
TangoMessage<T> tango = CreateTangoMessage<T>();
tango.Container.Token = token;
return tango;
}
/// <summary>
/// Creates a new <see cref="TangoMessage{T}"/>.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public static TangoMessage<T> CreateTangoMessage<T>(T message, String token) where T : IMessage<T>
{
TangoMessage<T> tango = CreateTangoMessage<T>(token);
tango.Message = message;
return tango;
}
/// <summary>
/// Parses the specified tango message type from the specified byte array.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="data">The data.</param>
/// <returns></returns>
public static TangoMessage<T> ParseTangoMessage<T>(byte[] data) where T : IMessage<T>
{
MessageContainer container = MessageContainer.Parser.ParseFrom(data);
MessageParser<T> parser = new MessageParser<T>(() => Activator.CreateInstance<T>());
TangoMessage<T> tango = new TangoMessage<T>(parser.ParseFrom(container.Data), container.Type);
return tango;
}
/// <summary>
/// Parses the specified tango message type from the specified message container.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="data">The data.</param>
/// <returns></returns>
public static TangoMessage<T> ParseTangoMessageFromContainer<T>(MessageContainer container) where T : IMessage<T>
{
MessageParser<T> parser = new MessageParser<T>(() => Activator.CreateInstance<T>());
TangoMessage<T> tango = new TangoMessage<T>(parser.ParseFrom(container.Data), container.Type);
tango.Container = container;
return tango;
}
/// <summary>
/// Parses an unknown tango message from the specified byte array.
/// </summary>
/// <param name="data">The data.</param>
/// <returns></returns>
public static ITangoMessage ParseTangoMessageAgnostic(byte[] data)
{
MessageContainer container = MessageContainer.Parser.ParseFrom(data);
IMessage message = ExtractMessageFromContainer(container);
return (ITangoMessage)_parseTangoMessageMethod.MakeGenericMethod(message.GetType()).Invoke(null, new[] { data });
}
/// <summary>
/// Parses the message from the specified container.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="container">The container.</param>
/// <returns></returns>
public static T ExtractMessageFromContainer<T>(MessageContainer container) where T : IMessage<T>
{
MessageParser<T> parser = new MessageParser<T>(() => Activator.CreateInstance<T>());
return parser.ParseFrom(container.Data);
}
/// <summary>
/// Parses the message from the specified container.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="container">The container.</param>
/// <returns></returns>
public static IMessage ExtractMessageFromContainer(MessageContainer container)
{
var type = _pmrTypes[container.Type];
MessageParser parser = type.GetProperty("Parser").GetValue(container) as MessageParser;
return parser.ParseFrom(container.Data);
}
/// <summary>
/// Parses a message container from the specified byte array.
/// </summary>
/// <param name="data">The data.</param>
/// <returns></returns>
public static MessageContainer ParseContainer(byte[] data)
{
MessageContainer container = MessageContainer.Parser.ParseFrom(data);
return container;
}
/// <summary>
/// Parses a message container from the specified byte array containing JSON data.
/// </summary>
/// <param name="data">The data.</param>
/// <returns></returns>
public static MessageContainer ParseContainerJson(byte[] data)
{
MessageContainer container = MessageContainer.Parser.ParseJson(Encoding.UTF8.GetString(data));
return container;
}
/// <summary>
/// Parses the specified text to a PMR <see cref="MessageType"/>.
/// </summary>
/// <param name="text">The text.</param>
/// <returns></returns>
/// <exception cref="InvalidCastException">Could not parse message type " + text</exception>
public static MessageType ParseMessageType(String text)
{
MessageType t;
if (Enum.TryParse<MessageType>(text, true, out t))
{
return t;
}
else
{
throw new InvalidCastException("Message type " + text + " was not found on PMR MessageType enumeration!");
}
}
}
}
|
