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Seasar.Framework.Util\BooleanConversionUtil.cs | 0.0% | 0.0% | 0.0% | 0.0% |
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1 | #region Copyright | |
2 | /* | |
3 | * Copyright 2005 the Seasar Foundation and the Others. | |
4 | * | |
5 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
6 | * you may not use this file except in compliance with the License. | |
7 | * You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, software | |
12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, | |
14 | * either express or implied. See the License for the specific language | |
15 | * governing permissions and limitations under the License. | |
16 | */ | |
17 | #endregion | |
18 | ||
19 | using System; | |
20 | ||
21 | namespace Seasar.Framework.Util | |
22 | { | |
23 | public sealed class BooleanConversionUtil | |
24 | { | |
25 | 0 | private BooleanConversionUtil() |
26 | { | |
27 | } | |
28 | ||
29 | 0 | public static bool ToBoolean(object o) |
30 | { | |
31 | if (o == null || o == DBNull.Value) | |
32 | { | |
33 | throw new ArgumentNullException("o"); | |
34 | } | |
35 | else if (o is bool) | |
36 | { | |
37 | return (bool) o; | |
38 | } | |
39 | else if (o is byte) | |
40 | { | |
41 | return Convert.ToBoolean((byte) o); | |
42 | } | |
43 | else if (o is string) | |
44 | { | |
45 | string s = (string) o; | |
46 | if (string.Compare(bool.TrueString, s, true) == 0) | |
47 | { | |
48 | return true; | |
49 | } | |
50 | else if (string.Compare(bool.FalseString, s, true) == 0) | |
51 | { | |
52 | return false; | |
53 | } | |
54 | else if (s.Equals("0")) | |
55 | { | |
56 | return false; | |
57 | } | |
58 | else | |
59 | { | |
60 | return true; | |
61 | } | |
62 | } | |
63 | else | |
64 | { | |
65 | return true; | |
66 | } | |
67 | } | |
68 | } | |
69 | } | |
70 |
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