root / Classes / PithosUtilities.m @ ea3a6bba
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// PithosUtilities.m |
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// pithos-ios |
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// |
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// Copyright 2011-2012 GRNET S.A. All rights reserved. |
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// |
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// Redistribution and use in source and binary forms, with or |
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// without modification, are permitted provided that the following |
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// conditions are met: |
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// |
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// 1. Redistributions of source code must retain the above |
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// copyright notice, this list of conditions and the following |
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// disclaimer. |
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// |
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// 2. Redistributions in binary form must reproduce the above |
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// copyright notice, this list of conditions and the following |
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// disclaimer in the documentation and/or other materials |
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// provided with the distribution. |
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// |
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// THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS |
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// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR |
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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// USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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// POSSIBILITY OF SUCH DAMAGE. |
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// |
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// The views and conclusions contained in the software and |
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// documentation are those of the authors and should not be |
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// interpreted as representing official policies, either expressed |
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// or implied, of GRNET S.A. |
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|
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#import "PithosUtilities.h" |
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@implementation PithosUtilities |
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// Returns if an object is a directory based on its content type |
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+ (BOOL)isContentTypeDirectory:(NSString *)contentType { |
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return ([contentType isEqualToString:@"application/directory"] || |
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[contentType hasPrefix:@"application/directory;"] || |
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[contentType isEqualToString:@"application/folder"] || |
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[contentType hasPrefix:@"application/folder;"]); |
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} |
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|
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+ (unsigned long long)sizeOfDirectory:(NSString *)directoryPath { |
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NSFileManager *fileManager = [NSFileManager defaultManager]; |
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NSDirectoryEnumerator *directoryEnumerator = [fileManager enumeratorAtPath:directoryPath]; |
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unsigned long long directorySize = 0; |
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NSString *file; |
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while (file = [directoryEnumerator nextObject]) { |
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NSDictionary *fileAttributes = [fileManager attributesOfItemAtPath:[NSString stringWithFormat:@"%@/%@",directoryPath,file] error:nil]; |
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directorySize += [fileAttributes fileSize]; |
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} |
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return directorySize; |
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} |
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|
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+ (NSString *)humanReadableSize:(unsigned long long)bytes { |
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if (bytes <= 999) { |
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return [NSString stringWithFormat:@"%d B", (int)bytes]; |
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} else if (bytes <= 999000) { |
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return [NSString stringWithFormat:@"%d KB", (int)ceil(bytes / 1000)]; |
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} else if (bytes <= 999900000) { |
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double megabytes = floor(bytes / 1000000); |
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double hundredkilobytes = ceil((bytes - megabytes * 1000000) / 100000); |
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if (hundredkilobytes == 10) { |
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megabytes++; |
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hundredkilobytes = 0; |
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} |
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if (hundredkilobytes == 0) { |
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return [NSString stringWithFormat:@"%d MB", (int)megabytes]; |
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} else { |
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return [NSString stringWithFormat:@"%d.%d MB", (int)megabytes, (int)hundredkilobytes]; |
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} |
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} else { |
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double gigabytes = floor(bytes / 1000000000); |
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double hundredmegabytes = ceil((bytes - gigabytes * 1000000000) / 100000000); |
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if (hundredmegabytes == 10) { |
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gigabytes++; |
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hundredmegabytes = 0; |
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} |
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if (hundredmegabytes == 0) { |
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return [NSString stringWithFormat:@"%d GB", (int)gigabytes]; |
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} else { |
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return [NSString stringWithFormat:@"%d.%d GB", (int)gigabytes, (int)hundredmegabytes]; |
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} |
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} |
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} |
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@end |