1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
//
// SUAppcastItem.m
// Sparkle
//
// Created by Andy Matuschak on 3/12/06.
// Copyright 2006 Andy Matuschak. All rights reserved.
//
#import "Sparkle.h"
#import "SUAppcastItem.h"
@implementation SUAppcastItem
// Attack of accessors!
- (NSString *)title { return [[title retain] autorelease]; }
- (void)setTitle:(NSString *)aTitle
{
if (title == aTitle) return;
[title release];
title = [aTitle copy];
}
- (NSDate *)date { return [[date retain] autorelease]; }
- (void)setDate:(NSDate *)aDate
{
if (date == aDate) return;
[date release];
date = [aDate copy];
}
- (NSString *)itemDescription { return [[itemDescription retain] autorelease]; }
- (void)setItemDescription:(NSString *)anItemDescription
{
if (itemDescription == anItemDescription) return;
[itemDescription release];
itemDescription = [anItemDescription copy];
}
- (NSURL *)releaseNotesURL { return [[releaseNotesURL retain] autorelease]; }
- (void)setReleaseNotesURL:(NSURL *)aReleaseNotesURL
{
if (releaseNotesURL == aReleaseNotesURL) return;
[releaseNotesURL release];
releaseNotesURL = [aReleaseNotesURL copy];
}
- (NSString *)DSASignature { return [[DSASignature retain] autorelease]; }
- (void)setDSASignature:(NSString *)aDSASignature
{
if (DSASignature == aDSASignature) return;
[DSASignature release];
DSASignature = [aDSASignature copy];
}
- (NSURL *)fileURL { return [[fileURL retain] autorelease]; }
- (void)setFileURL:(NSURL *)aFileURL
{
if (fileURL == aFileURL) return;
[fileURL release];
fileURL = [aFileURL copy];
}
- (NSString *)versionString { return [[versionString retain] autorelease]; }
- (void)setVersionString:(NSString *)s
{
if (versionString == s) return;
[versionString release];
versionString = [s copy];
}
- (NSString *)displayVersionString { return [[displayVersionString retain] autorelease]; }
- (void)setDisplayVersionString:(NSString *)s
{
if (displayVersionString == s) return;
[displayVersionString release];
displayVersionString = [s copy];
}
- (NSString *)minimumSystemVersion { return [[minimumSystemVersion retain] autorelease]; }
- (void)setMinimumSystemVersion:(NSString *)systemVersionString
{
if (minimumSystemVersion == systemVersionString) return;
[minimumSystemVersion release];
minimumSystemVersion = [systemVersionString copy];
}
- initWithDictionary:(NSDictionary *)dict
{
self = [super init];
if (self)
{
id enclosure = [dict objectForKey:@"enclosure"];
// Try to find a version string.
// Finding the new version number from the RSS feed is a little bit hacky. There are two ways:
// 1. A "sparkle:version" attribute on the enclosure tag, an extension from the RSS spec.
// 2. If there isn't a version attribute, Sparkle will parse the path in the enclosure, expecting
// that it will look like this: http://something.com/YourApp_0.5.zip. It'll read whatever's between the last
// underscore and the last period as the version number. So name your packages like this: APPNAME_VERSION.extension.
// The big caveat with this is that you can't have underscores in your version strings, as that'll confuse Sparkle.
// Feel free to change the separator string to a hyphen or something more suited to your needs if you like.
NSString *newVersion = [enclosure objectForKey:@"sparkle:version"];
if (newVersion == nil) // no sparkle:version attribute
{
// Separate the url by underscores and take the last component, as that'll be closest to the end,
// then we remove the extension. Hopefully, this will be the version.
NSArray *fileComponents = [[enclosure objectForKey:@"url"] componentsSeparatedByString:@"_"];
if ([fileComponents count] > 1)
newVersion = [[fileComponents lastObject] stringByDeletingPathExtension];
}
if (enclosure == nil || [enclosure objectForKey:@"url"] == nil || newVersion == nil)
{
[self release];
self = nil;
}
else
{
propertiesDictionary = [[NSMutableDictionary alloc] initWithDictionary:dict];
[self setTitle:[dict objectForKey:@"title"]];
[self setDate:[dict objectForKey:@"pubDate"]];
[self setItemDescription:[dict objectForKey:@"description"]];
[self setFileURL:[NSURL URLWithString:[[enclosure objectForKey:@"url"] stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]];
[self setDSASignature:[enclosure objectForKey:@"sparkle:dsaSignature"]];
[self setVersionString:newVersion];
[self setMinimumSystemVersion:[dict objectForKey:@"sparkle:minimumSystemVersion"]];
NSString *shortVersionString = [enclosure objectForKey:@"sparkle:shortVersionString"];
if (shortVersionString)
[self setDisplayVersionString:shortVersionString];
else
[self setDisplayVersionString:[self versionString]];
// Find the appropriate release notes URL.
if ([dict objectForKey:@"sparkle:releaseNotesLink"])
[self setReleaseNotesURL:[NSURL URLWithString:[dict objectForKey:@"sparkle:releaseNotesLink"]]];
else if ([[self itemDescription] hasPrefix:@"http://"]) // if the description starts with http://, use that.
[self setReleaseNotesURL:[NSURL URLWithString:[self itemDescription]]];
else
[self setReleaseNotesURL:nil];
}
}
return self;
}
- (void)dealloc
{
[self setTitle:nil];
[self setDate:nil];
[self setItemDescription:nil];
[self setReleaseNotesURL:nil];
[self setDSASignature:nil];
[self setFileURL:nil];
[self setVersionString:nil];
[self setDisplayVersionString:nil];
[propertiesDictionary release];
[super dealloc];
}
- (NSDictionary *)propertiesDictionary
{
return propertiesDictionary;
}
@end
|