blob: 16be1dc6814c8db853fc9f4899319b2b6320a00d [file] [log] [blame]
Jon Skeetad748532009-06-25 16:55:58 +01001// Protocol Buffers - Google's data interchange format
2// Copyright 2008 Google Inc. All rights reserved.
3// http://github.com/jskeet/dotnet-protobufs/
4// Original C++/Java/Python code:
5// http://code.google.com/p/protobuf/
6//
7// Redistribution and use in source and binary forms, with or without
8// modification, are permitted provided that the following conditions are
9// met:
10//
11// * Redistributions of source code must retain the above copyright
12// notice, this list of conditions and the following disclaimer.
13// * Redistributions in binary form must reproduce the above
14// copyright notice, this list of conditions and the following disclaimer
15// in the documentation and/or other materials provided with the
16// distribution.
17// * Neither the name of Google Inc. nor the names of its
18// contributors may be used to endorse or promote products derived from
19// this software without specific prior written permission.
20//
21// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32using System;
Jon Skeet642a8142009-01-27 12:25:21 +000033using System.Collections.Generic;
Jon Skeet642a8142009-01-27 12:25:21 +000034
35namespace Google.ProtocolBuffers {
36 /// <summary>
37 /// Helper methods for throwing exceptions
38 /// </summary>
39 public static class ThrowHelper {
40
41 /// <summary>
42 /// Throws an ArgumentNullException if the given value is null.
43 /// </summary>
44 public static void ThrowIfNull(object value, string name) {
45 if (value == null) {
46 throw new ArgumentNullException(name);
47 }
48 }
49
50 /// <summary>
51 /// Throws an ArgumentNullException if the given value is null.
52 /// </summary>
53 public static void ThrowIfNull(object value) {
54 if (value == null) {
55 throw new ArgumentNullException();
56 }
57 }
58
59 /// <summary>
60 /// Throws an ArgumentNullException if the given value or any element within it is null.
61 /// </summary>
62 public static void ThrowIfAnyNull<T>(IEnumerable<T> sequence) {
63 foreach (T t in sequence) {
64 if (t == null) {
65 throw new ArgumentNullException();
66 }
67 }
68 }
69 }
70}