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      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     {
     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 }