1 #region Copyright notice and license
2 // Protocol Buffers - Google's data interchange format
3 // Copyright 2008 Google Inc.  All rights reserved.
4 // https://developers.google.com/protocol-buffers/
5 //
6 // Redistribution and use in source and binary forms, with or without
7 // modification, are permitted provided that the following conditions are
8 // met:
9 //
10 //     * Redistributions of source code must retain the above copyright
11 // notice, this list of conditions and the following disclaimer.
12 //     * Redistributions in binary form must reproduce the above
13 // copyright notice, this list of conditions and the following disclaimer
14 // in the documentation and/or other materials provided with the
15 // distribution.
16 //     * Neither the name of Google Inc. nor the names of its
17 // contributors may be used to endorse or promote products derived from
18 // this software without specific prior written permission.
19 //
20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #endregion
32 
33 using System;
34 using System.IO;
35 
36 namespace Google.Protobuf.ProtoDump
37 {
38     /// <summary>
39     /// Small utility to load a binary message and dump it in JSON format.
40     /// </summary>
41     internal class Program
42     {
Main(string[] args)43         private static int Main(string[] args)
44         {
45             if (args.Length != 2)
46             {
47                 Console.Error.WriteLine("Usage: Google.Protobuf.JsonDump <descriptor type name> <input data>");
48                 Console.Error.WriteLine("The descriptor type name is the fully-qualified message name,");
49                 Console.Error.WriteLine("including assembly e.g. ProjectNamespace.Message,Company.Project");
50                 return 1;
51             }
52             Type type = Type.GetType(args[0]);
53             if (type == null)
54             {
55                 Console.Error.WriteLine("Unable to load type {0}.", args[0]);
56                 return 1;
57             }
58             if (!typeof(IMessage).IsAssignableFrom(type))
59             {
60                 Console.Error.WriteLine("Type {0} doesn't implement IMessage.", args[0]);
61                 return 1;
62             }
63             IMessage message = (IMessage) Activator.CreateInstance(type);
64             using (var input = File.OpenRead(args[1]))
65             {
66                 message.MergeFrom(input);
67             }
68             Console.WriteLine(message);
69             return 0;
70         }
71     }
72 }