code.grnet.gr Git - pithos-ios/blob - Classes/StorageObject.m

   1 //
   2 //  Object.m
   3 //  OpenStack
   4 //
   5 //  Created by Mike Mayo on 12/7/10.
   6 //  The OpenStack project is provided under the Apache 2.0 license.
   7 //
   8
   9 #import "StorageObject.h"
  10 #import "ComputeModel.h"
  11 #import "NSObject+NSCoding.h"
  12
  13 @implementation StorageObject
  14
  15 @synthesize name, fullPath, hash, bytes, contentType, lastModified, data, publicURI, sharing, metadata, iso8601DateString, lastModifiedString;
  16
  17 #pragma mark - Object lifecycle
  18
  19 + (StorageObject *)fromJSON:(NSDictionary *)dict {
  20     StorageObject *object = [[[StorageObject alloc] init] autorelease];
  21
  22     object.name = [dict objectForKey:@"name"]; // this may be shortened by folder parsing later
  23     object.fullPath = [dict objectForKey:@"name"];
  24     object.hash = [dict objectForKey:@"x_object_hash"];
  25     object.bytes = [[dict objectForKey:@"bytes"] intValue];
  26     object.contentType = [dict objectForKey:@"content_type"];
  27     //object.lastModified = [ComputeModel dateFromString:[dict objectForKey:@"last_modified"]];
  28     object.iso8601DateString = [dict objectForKey:@"last_modified"];
  29     object.publicURI = [dict objectForKey:@"x_object_public"];
  30     object.sharing = [dict objectForKey:@"x_object_sharing"];
  31     object.metadata = nil;
  32     return object;
  33 }
  34
  35 - (NSComparisonResult)compareByName:(id)item {
  36     return [self.name caseInsensitiveCompare:[item name]];
  37 }
  38
  39 - (NSComparisonResult)compareByDate:(id)item {
  40     return [self.lastModifiedString caseInsensitiveCompare:[item lastModifiedString]];
  41 }
  42
  43 #pragma mark - Serialization
  44
  45 - (id)initWithCoder:(NSCoder *)coder {
  46     if ((self = [super init])) {
  47         [self autoDecode:coder];
  48     }
  49     return self;
  50 }
  51
  52 - (void)encodeWithCoder:(NSCoder *)coder {
  53     [self autoEncodeWithCoder:coder];
  54 }
  55
  56 #pragma mark - Memory Management
  57
  58 -(void)dealloc {
  59         [name release];
  60     [fullPath release];
  61         [hash release];
  62         [contentType release];
  63         [lastModified release];
  64         [data release];
  65         [metadata release];
  66     [iso8601DateString release];
  67     [lastModifiedString release];
  68         [super dealloc];
  69 }
  70
  71 #pragma mark - Properties
  72
  73 - (NSString *)lastModifiedString {
  74     if (!lastModifiedString) {
  75         if (!self.lastModified && [self.iso8601DateString length])
  76             self.lastModified = [ComputeModel dateFromString:self.iso8601DateString];
  77         if (self.lastModified)
  78             lastModifiedString = [[ComputeModel localDateDescriptionFromDate:self.lastModified] retain];
  79     }
  80     return lastModifiedString;
  81 }
  82
  83 #pragma mark - Actions
  84
  85 - (void)setPropertiesfromResponseHeaders:(NSDictionary *)headers {
  86     self.hash = [headers objectForKey:@"X-Object-Hash"];
  87     self.bytes = [[headers objectForKey:@"Content-Length"] intValue];
  88     self.contentType = [headers objectForKey:@"Content-Type"];
  89     self.lastModified = [headers objectForKey:@"Last-Modified"];
  90     self.publicURI = [headers objectForKey:@"X-Object-Public"];
  91     self.sharing = [headers objectForKey:@"X-Object-Sharing"];
  92
  93     self.metadata = [NSMutableDictionary dictionary];
  94     for (NSString *key in headers) {
  95         if ([key hasPrefix:@"X-Object-Meta-"]) {
  96             NSString *metadataValue = [headers objectForKey:key];
  97             NSString *metadataKey = [key substringFromIndex:14];
  98             [self.metadata setObject:metadataValue forKey:metadataKey];
  99         }
 100     }
 101 }
 102
 103 -(NSString *)humanizedBytes {
 104         NSString *result;
 105         if (self.bytes >= 1024000000) {
 106                 result = [NSString stringWithFormat:@"%.2f GiB", self.bytes / 1024000000.0];
 107         } else if (self.bytes >= 1024000) {
 108                 result = [NSString stringWithFormat:@"%.2f MiB", self.bytes / 1024000.0];
 109         } else if (self.bytes >= 1024) {
 110                 result = [NSString stringWithFormat:@"%.2f KiB", self.bytes / 1024.0];
 111         } else {
 112                 result = [NSString stringWithFormat:@"%i bytes", self.bytes];
 113         }
 114         return result;
 115 }
 116
 117 - (BOOL)isPlayableMedia {
 118     // check file extension
 119     NSString *extensionPattern = @"^.+\\.((mov)|(m4a)|(mp3)|(wav)|(aiff)|(aac)|(aif)|(aifc)|(amr)|(caf)|(m2a)|(m4p)|(mp4)|(mpv)|(3gp))$";
 120     NSRegularExpression *extensionRegex = [NSRegularExpression regularExpressionWithPattern:extensionPattern options:NSRegularExpressionCaseInsensitive error:nil];
 121     NSInteger matches = [extensionRegex numberOfMatchesInString:self.name options:0 range:NSMakeRange(0, [self.name length])];
 122
 123     // check content type
 124     NSString *contentTypePattern = @"^(video|audio)/";
 125     NSRegularExpression *contentTypeRegex = [NSRegularExpression regularExpressionWithPattern:contentTypePattern options:NSRegularExpressionCaseInsensitive error:nil];
 126     matches += [contentTypeRegex numberOfMatchesInString:self.contentType options:0 range:NSMakeRange(0, [self.contentType length])];
 127
 128     return matches > 0;
 129 }
 130
 131 @end