hunt.gossip.Serializer source code

1 // Copyright (C) 2018-2019 HuntLabs. All rights reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 module hunt.gossip.Serializer;
16 
17 import hunt.gossip.Buffer;
18 import std.json;
19 import hunt.logging;
20 import hunt.io.Common;
21 import hunt.gossip.JsonObject;
22 
23 
24 public class Serializer {
25     private static Serializer ourInstance ;
26     public static Serializer getInstance() {
27         if(ourInstance is null)
28         {
29             ourInstance = new Serializer();
30         }
31         return ourInstance;
32     }
33 
34     private this() {
35     }
36 
37     public static Buffer encode(T)(Serializable obj) {
38         Buffer buffer = Buffer.buffer();
39         try {
40             buffer.appendString(JsonObject.mapFrom(cast(T)obj).encode());
41         } catch (Exception e) {
42             logError(e.msg);
43         }
44         return buffer;
45     }
46 
47     public T decode(T)(Buffer buffer) {
48         T gdsm = null;
49         if (buffer !is null) {
50             try {
51                 gdsm = buffer.toJsonObject().mapTo!(T)();
52             } catch (Exception e) {
53                 logError(e.msg);
54             }
55         }
56         return gdsm;
57     }
58 }