code.grnet.gr Git - pithos-macos/blob - pithos-macos/PithosObjectNode.m

   1 //
   2 //  PithosObjectNode.m
   3 //  pithos-macos
   4 //
   5 // Copyright 2011 GRNET S.A. All rights reserved.
   6 //
   7 // Redistribution and use in source and binary forms, with or
   8 // without modification, are permitted provided that the following
   9 // conditions are met:
  10 //
  11 //   1. Redistributions of source code must retain the above
  12 //      copyright notice, this list of conditions and the following
  13 //      disclaimer.
  14 //
  15 //   2. Redistributions in binary form must reproduce the above
  16 //      copyright notice, this list of conditions and the following
  17 //      disclaimer in the documentation and/or other materials
  18 //      provided with the distribution.
  19 //
  20 // THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
  21 // OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  22 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  23 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
  24 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  27 // USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  28 // AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29 // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  30 // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31 // POSSIBILITY OF SUCH DAMAGE.
  32 //
  33 // The views and conclusions contained in the software and
  34 // documentation are those of the authors and should not be
  35 // interpreted as representing official policies, either expressed
  36 // or implied, of GRNET S.A.
  37
  38 #import "PithosObjectNode.h"
  39 #import "ASIPithosRequest.h"
  40 #import "ASIPithosObjectRequest.h"
  41 #import "ASIPithosContainer.h"
  42 #import "ASIPithosObject.h"
  43 #import "ASIDownloadCache.h"
  44
  45 @implementation PithosObjectNode
  46 @synthesize pithosContainer, pithosObject;
  47 @synthesize isPublic;
  48
  49 #pragma mark -
  50 #pragma mark Object Lifecycle
  51
  52 - (id)initWithPithosContainer:(ASIPithosContainer *)aPithosContainer pithosObject:(ASIPithosObject *)aPithosObject {
  53     if ((self = [super init])) {
  54         self.pithosContainer = aPithosContainer;
  55         self.pithosObject = aPithosObject;
  56         isLeafItem = YES;
  57     }
  58     return self;
  59 }
  60
  61 - (void)dealloc {
  62     [refreshMetadataObjectRequest clearDelegatesAndCancel];
  63     [refreshMetadataObjectRequest release];
  64     [applyMetadataObjectRequest clearDelegatesAndCancel];
  65     [applyMetadataObjectRequest release];
  66     [pithosObject release];
  67     [pithosContainer release];
  68     [super dealloc];
  69 }
  70
  71 #pragma mark -
  72 #pragma mark Properties
  73
  74 - (NSString *)url {
  75     if (url == nil)
  76         url = [[NSString alloc] initWithFormat:@"object %@/%@/%@", [ASIPithosRequest storageURL], pithosContainer.name, pithosObject.name];
  77     return url;
  78 }
  79
  80 - (NSArray *)children {
  81     return nil;
  82 }
  83
  84 - (NSString *)displayName {
  85     if (displayName == nil) {
  86         // XXX check if there are problems with . or other special characters
  87         displayName = [pithosObject.name lastPathComponent];
  88         if([pithosObject.name hasSuffix:@"/"])
  89             displayName = [displayName stringByAppendingString:@"/"];
  90         [displayName retain];
  91     }
  92     return [[displayName copy] autorelease];
  93 }
  94
  95 - (NSImage *)icon {
  96     if (icon == nil)
  97         icon = [[[NSWorkspace sharedWorkspace] iconForFileType:[pithosObject.name pathExtension]] retain];
  98     return icon;
  99 }
 100
 101 - (void)setPithosObject:(ASIPithosObject *)aPithosObject {
 102     if (![pithosObject isEqualTo:aPithosObject]) {
 103         [pithosObject release];
 104         pithosObject = [aPithosObject retain];
 105     }
 106     self.isPublic = (pithosObject.publicURI != nil);
 107 }
 108
 109 #pragma mark -
 110 #pragma mark Info
 111
 112 - (void)applyInfo {
 113     @synchronized(self) {
 114         if (applyMetadataObjectRequest == nil) {
 115             applyMetadataObjectRequest = [[ASIPithosObjectRequest updateObjectMetadataRequestWithContainerName:pithosContainer.name
 116                                                                                                     objectName:pithosObject.name
 117                                                                                                contentEncoding:nil
 118                                                                                             contentDisposition:nil
 119                                                                                                       manifest:nil
 120                                                                                                        sharing:pithosObject.sharing
 121                                                                                                       isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse)
 122                                                                                                       metadata:pithosObject.metadata
 123                                                                                                         update:NO] retain];
 124             applyMetadataObjectRequest.delegate = self;
 125             applyMetadataObjectRequest.didFinishSelector = @selector(objectRequestFinished:);
 126             applyMetadataObjectRequest.didFailSelector = @selector(objectRequestFailed:);
 127             [applyMetadataObjectRequest startAsynchronous];
 128         }
 129     }
 130 }
 131
 132 - (void)refreshInfo {
 133     @synchronized(self) {
 134         if (refreshMetadataObjectRequest == nil) {
 135             refreshMetadataObjectRequest = [[ASIPithosObjectRequest objectMetadataRequestWithContainerName:pithosContainer.name
 136                                                                                                 objectName:pithosObject.name] retain];
 137             refreshMetadataObjectRequest.delegate = self;
 138             refreshMetadataObjectRequest.didFinishSelector = @selector(objectRequestFinished:);
 139             refreshMetadataObjectRequest.didFailSelector = @selector(objectRequestFailed:);
 140             refreshMetadataObjectRequest.downloadCache = [ASIDownloadCache sharedCache];
 141             [refreshMetadataObjectRequest startAsynchronous];
 142         }
 143     }
 144 }
 145
 146 #pragma mark -
 147 #pragma mark ASIHTTPRequestDelegate
 148
 149 - (void)objectRequestFinished:(ASIPithosObjectRequest *)request {
 150     NSLog(@"URL: %@", [request url]);
 151     NSLog(@"cached: %d", [request didUseCachedResponse]);
 152
 153     if ([request isEqualTo:applyMetadataObjectRequest]) {
 154         @synchronized(self) {
 155             [applyMetadataObjectRequest release];
 156             applyMetadataObjectRequest = nil;
 157         }
 158         [self refreshInfo];
 159     } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
 160         self.pithosObject = [refreshMetadataObjectRequest object];
 161         @synchronized(self) {
 162             [refreshMetadataObjectRequest release];
 163             refreshMetadataObjectRequest = nil;
 164         }
 165     }
 166 }
 167
 168 - (void)objectRequestFailed:(ASIPithosObjectRequest *)request {
 169     if ([request isEqualTo:applyMetadataObjectRequest]) {
 170         // XXX do something on error, cleanup
 171         NSLog(@"error:%@", [applyMetadataObjectRequest error]);
 172         @synchronized(self) {
 173             [applyMetadataObjectRequest release];
 174             applyMetadataObjectRequest = nil;
 175         }
 176     } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
 177         // XXX do something on error, cleanup
 178         NSLog(@"error:%@", [refreshMetadataObjectRequest error]);
 179         @synchronized(self) {
 180             [refreshMetadataObjectRequest release];
 181             refreshMetadataObjectRequest = nil;
 182         }
 183     }
 184 }
 185
 186 @end