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

   1 //
   2 //  PithosNode.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 "PithosNodeInfoController.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 startAsynchronous];
 127         }
 128     }
 129 }
 130
 131 - (void)refreshInfo {
 132     @synchronized(self) {
 133         if (refreshMetadataObjectRequest == nil) {
 134             refreshMetadataObjectRequest = [[ASIPithosObjectRequest objectMetadataRequestWithContainerName:pithosContainer.name
 135                                                                                                 objectName:pithosObject.name] retain];
 136             refreshMetadataObjectRequest.delegate = self;
 137             refreshMetadataObjectRequest.downloadCache = [ASIDownloadCache sharedCache];
 138             [refreshMetadataObjectRequest startAsynchronous];
 139         }
 140     }
 141 }
 142
 143 #pragma mark -
 144 #pragma mark ASIHTTPRequestDelegate
 145
 146 - (void)requestFinished:(ASIHTTPRequest *)request {
 147     NSLog(@"URL: %@", [request url]);
 148     NSLog(@"cached: %d", [request didUseCachedResponse]);
 149
 150     if ([request isEqualTo:applyMetadataObjectRequest]) {
 151         @synchronized(self) {
 152             [applyMetadataObjectRequest release];
 153             applyMetadataObjectRequest = nil;
 154         }
 155         [self refreshInfo];
 156     } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
 157         self.pithosObject = [refreshMetadataObjectRequest object];
 158         @synchronized(self) {
 159             [refreshMetadataObjectRequest release];
 160             refreshMetadataObjectRequest = nil;
 161         }
 162     }
 163 }
 164
 165 - (void)requestFailed:(ASIHTTPRequest *)request {
 166     if ([request isEqualTo:applyMetadataObjectRequest]) {
 167         // XXX do something on error, cleanup
 168         NSLog(@"error:%@", [applyMetadataObjectRequest error]);
 169         @synchronized(self) {
 170             [applyMetadataObjectRequest release];
 171             applyMetadataObjectRequest = nil;
 172         }
 173     } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
 174         // XXX do something on error, cleanup
 175         NSLog(@"error:%@", [refreshMetadataObjectRequest error]);
 176         @synchronized(self) {
 177             [refreshMetadataObjectRequest release];
 178             refreshMetadataObjectRequest = nil;
 179         }
 180     }
 181 }
 182
 183 @end