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 #import "PithosFileUtilities.h"
  45
  46 @implementation PithosObjectNode
  47 @synthesize pithosContainer, pithosObject;
  48 @synthesize isPublic;
  49
  50 #pragma mark -
  51 #pragma mark Object Lifecycle
  52
  53 - (id)initWithPithosContainer:(ASIPithosContainer *)aPithosContainer pithosObject:(ASIPithosObject *)aPithosObject {
  54     if ((self = [super init])) {
  55         self.pithosContainer = aPithosContainer;
  56         self.pithosObject = aPithosObject;
  57         isLeafItem = YES;
  58     }
  59     return self;
  60 }
  61
  62 - (void)dealloc {
  63     [refreshMetadataObjectRequest clearDelegatesAndCancel];
  64     [refreshMetadataObjectRequest release];
  65     [applyMetadataObjectRequest clearDelegatesAndCancel];
  66     [applyMetadataObjectRequest release];
  67     [pithosObject release];
  68     [pithosContainer release];
  69     [super dealloc];
  70 }
  71
  72 #pragma mark -
  73 #pragma mark Properties
  74
  75 - (NSString *)url {
  76     if (url == nil)
  77         url = [[NSString alloc] initWithFormat:@"object %@/%@/%@", [ASIPithosRequest storageURL], pithosContainer.name, pithosObject.name];
  78     return url;
  79 }
  80
  81 - (NSArray *)children {
  82     return nil;
  83 }
  84
  85 - (NSString *)displayName {
  86     if (displayName == nil) {
  87         // XXX check if there are problems with . or other special characters
  88         displayName = [pithosObject.name lastPathComponent];
  89         if([pithosObject.name hasSuffix:@"/"])
  90             displayName = [displayName stringByAppendingString:@"/"];
  91         [displayName retain];
  92     }
  93     return [[displayName copy] autorelease];
  94 }
  95
  96 - (NSImage *)icon {
  97     if (icon == nil)
  98         icon = [[[NSWorkspace sharedWorkspace] iconForFileType:[pithosObject.name pathExtension]] retain];
  99     return icon;
 100 }
 101
 102 - (void)setPithosObject:(ASIPithosObject *)aPithosObject {
 103     if (![pithosObject isEqualTo:aPithosObject]) {
 104         [pithosObject release];
 105         pithosObject = [aPithosObject retain];
 106     }
 107     self.isPublic = (pithosObject.publicURI != nil);
 108 }
 109
 110 #pragma mark -
 111 #pragma mark Info
 112
 113 - (void)applyInfo {
 114     @synchronized(self) {
 115         if (applyMetadataObjectRequest == nil) {
 116             applyMetadataObjectRequest = [[ASIPithosObjectRequest updateObjectMetadataRequestWithContainerName:pithosContainer.name
 117                                                                                                     objectName:pithosObject.name
 118                                                                                                contentEncoding:nil
 119                                                                                             contentDisposition:nil
 120                                                                                                       manifest:nil
 121                                                                                                        sharing:pithosObject.sharing
 122                                                                                                       isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse)
 123                                                                                                       metadata:pithosObject.metadata
 124                                                                                                         update:NO] retain];
 125             applyMetadataObjectRequest.delegate = self;
 126             applyMetadataObjectRequest.didFinishSelector = @selector(objectRequestFinished:);
 127             applyMetadataObjectRequest.didFailSelector = @selector(objectRequestFailed:);
 128             [applyMetadataObjectRequest startAsynchronous];
 129         }
 130     }
 131 }
 132
 133 - (void)refreshInfo {
 134     @synchronized(self) {
 135         if (refreshMetadataObjectRequest == nil) {
 136             refreshMetadataObjectRequest = [[ASIPithosObjectRequest objectMetadataRequestWithContainerName:pithosContainer.name
 137                                                                                                 objectName:pithosObject.name] retain];
 138             refreshMetadataObjectRequest.delegate = self;
 139             refreshMetadataObjectRequest.didFinishSelector = @selector(objectRequestFinished:);
 140             refreshMetadataObjectRequest.didFailSelector = @selector(objectRequestFailed:);
 141             refreshMetadataObjectRequest.downloadCache = [ASIDownloadCache sharedCache];
 142             [refreshMetadataObjectRequest startAsynchronous];
 143         }
 144     }
 145 }
 146
 147 #pragma mark -
 148 #pragma mark ASIHTTPRequestDelegate
 149
 150 - (void)objectRequestFinished:(ASIPithosObjectRequest *)request {
 151     NSLog(@"URL: %@", [request url]);
 152     NSLog(@"cached: %d", [request didUseCachedResponse]);
 153
 154     if ([request isEqualTo:applyMetadataObjectRequest]) {
 155         @synchronized(self) {
 156             [applyMetadataObjectRequest release];
 157             applyMetadataObjectRequest = nil;
 158         }
 159         [self refreshInfo];
 160     } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
 161         self.pithosObject = [refreshMetadataObjectRequest object];
 162         @synchronized(self) {
 163             [refreshMetadataObjectRequest release];
 164             refreshMetadataObjectRequest = nil;
 165         }
 166     }
 167 }
 168
 169 - (void)objectRequestFailed:(ASIPithosObjectRequest *)request {
 170     if ([request isEqualTo:applyMetadataObjectRequest]) {
 171         [PithosFileUtilities httpRequestErrorAlertWithRequest:applyMetadataObjectRequest];
 172         @synchronized(self) {
 173             [applyMetadataObjectRequest release];
 174             applyMetadataObjectRequest = nil;
 175         }
 176     } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
 177         [PithosFileUtilities httpRequestErrorAlertWithRequest:refreshMetadataObjectRequest];
 178         @synchronized(self) {
 179             [refreshMetadataObjectRequest release];
 180             refreshMetadataObjectRequest = nil;
 181         }
 182     }
 183 }
 184
 185 @end