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
33using System;
34using System.IO;
35using System.Reflection;
36
37namespace Google.Protobuf.ProtoDump
38{
39    /// <summary>
40    /// Small utility to load a binary message and dump it in JSON format.
41    /// </summary>
42    internal class Program
43    {
44        private static int Main(string[] args)
45        {
46            if (args.Length != 2)
47            {
48                Console.Error.WriteLine("Usage: Google.Protobuf.JsonDump <descriptor type name> <input data>");
49                Console.Error.WriteLine("The descriptor type name is the fully-qualified message name,");
50                Console.Error.WriteLine("including assembly e.g. ProjectNamespace.Message,Company.Project");
51                return 1;
52            }
53            Type type = Type.GetType(args[0]);
54            if (type == null)
55            {
56                Console.Error.WriteLine("Unable to load type {0}.", args[0]);
57                return 1;
58            }
59            if (!typeof(IMessage).GetTypeInfo().IsAssignableFrom(type))
60            {
61                Console.Error.WriteLine("Type {0} doesn't implement IMessage.", args[0]);
62                return 1;
63            }
64            IMessage message = (IMessage) Activator.CreateInstance(type);
65            using (var input = File.OpenRead(args[1]))
66            {
67                message.MergeFrom(input);
68            }
69            Console.WriteLine(message);
70            return 0;
71        }
72    }
73}