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1 | 515cd8db | Miltiadis Vasilakis | // |
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2 | 515cd8db | Miltiadis Vasilakis | // CountTransformer.m |
3 | 515cd8db | Miltiadis Vasilakis | // pithos-macos |
4 | 515cd8db | Miltiadis Vasilakis | // |
5 | 515cd8db | Miltiadis Vasilakis | // Copyright 2011 GRNET S.A. All rights reserved. |
6 | 515cd8db | Miltiadis Vasilakis | // |
7 | 515cd8db | Miltiadis Vasilakis | // Redistribution and use in source and binary forms, with or |
8 | 515cd8db | Miltiadis Vasilakis | // without modification, are permitted provided that the following |
9 | 515cd8db | Miltiadis Vasilakis | // conditions are met: |
10 | 515cd8db | Miltiadis Vasilakis | // |
11 | 515cd8db | Miltiadis Vasilakis | // 1. Redistributions of source code must retain the above |
12 | 515cd8db | Miltiadis Vasilakis | // copyright notice, this list of conditions and the following |
13 | 515cd8db | Miltiadis Vasilakis | // disclaimer. |
14 | 515cd8db | Miltiadis Vasilakis | // |
15 | 515cd8db | Miltiadis Vasilakis | // 2. Redistributions in binary form must reproduce the above |
16 | 515cd8db | Miltiadis Vasilakis | // copyright notice, this list of conditions and the following |
17 | 515cd8db | Miltiadis Vasilakis | // disclaimer in the documentation and/or other materials |
18 | 515cd8db | Miltiadis Vasilakis | // provided with the distribution. |
19 | 515cd8db | Miltiadis Vasilakis | // |
20 | 515cd8db | Miltiadis Vasilakis | // THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS |
21 | 515cd8db | Miltiadis Vasilakis | // OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
22 | 515cd8db | Miltiadis Vasilakis | // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
23 | 515cd8db | Miltiadis Vasilakis | // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR |
24 | 515cd8db | Miltiadis Vasilakis | // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
25 | 515cd8db | Miltiadis Vasilakis | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
26 | 515cd8db | Miltiadis Vasilakis | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
27 | 515cd8db | Miltiadis Vasilakis | // USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
28 | 515cd8db | Miltiadis Vasilakis | // AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
29 | 515cd8db | Miltiadis Vasilakis | // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
30 | 515cd8db | Miltiadis Vasilakis | // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
31 | 515cd8db | Miltiadis Vasilakis | // POSSIBILITY OF SUCH DAMAGE. |
32 | 515cd8db | Miltiadis Vasilakis | // |
33 | 515cd8db | Miltiadis Vasilakis | // The views and conclusions contained in the software and |
34 | 515cd8db | Miltiadis Vasilakis | // documentation are those of the authors and should not be |
35 | 515cd8db | Miltiadis Vasilakis | // interpreted as representing official policies, either expressed |
36 | 515cd8db | Miltiadis Vasilakis | // or implied, of GRNET S.A. |
37 | 515cd8db | Miltiadis Vasilakis | |
38 | 515cd8db | Miltiadis Vasilakis | #import "CountTransformer.h" |
39 | 515cd8db | Miltiadis Vasilakis | |
40 | 515cd8db | Miltiadis Vasilakis | @implementation CountTransformer |
41 | 515cd8db | Miltiadis Vasilakis | |
42 | 515cd8db | Miltiadis Vasilakis | + (Class)transformedValueClass { |
43 | 515cd8db | Miltiadis Vasilakis | return [NSString class]; |
44 | 515cd8db | Miltiadis Vasilakis | } |
45 | 515cd8db | Miltiadis Vasilakis | |
46 | 515cd8db | Miltiadis Vasilakis | + (BOOL)allowsReverseTransformation { |
47 | 515cd8db | Miltiadis Vasilakis | return NO; |
48 | 515cd8db | Miltiadis Vasilakis | } |
49 | 515cd8db | Miltiadis Vasilakis | |
50 | 515cd8db | Miltiadis Vasilakis | - (id)transformedValue:(id)value { |
51 | 515cd8db | Miltiadis Vasilakis | if (value == nil) |
52 | 515cd8db | Miltiadis Vasilakis | return nil; |
53 | 515cd8db | Miltiadis Vasilakis | return [NSString stringWithFormat:@"%lu", [value unsignedIntegerValue]]; |
54 | 515cd8db | Miltiadis Vasilakis | } |
55 | 515cd8db | Miltiadis Vasilakis | |
56 | 515cd8db | Miltiadis Vasilakis | + (void)initialize { |
57 | 515cd8db | Miltiadis Vasilakis | [[NSValueTransformer class] setValueTransformer:[self new] forName:@"CountTransformer"]; |
58 | 515cd8db | Miltiadis Vasilakis | } |
59 | 515cd8db | Miltiadis Vasilakis | |
60 | 515cd8db | Miltiadis Vasilakis | @end |