GCNetworkRequest/GCXMLRequestOperation.m at master · GlennChiu/GCNetworkRequest · GitHub

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
//
//  This code is distributed under the terms and conditions of the MIT license.
//
//  Copyright (c) 2013 Glenn Chiu
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//  THE SOFTWARE.

#import "GCXMLRequestOperation.h"

#if ! __has_feature(objc_arc)
#   error GCNetworkRequest is ARC only. Use -fobjc-arc as compiler flag for this library
#endif

@implementation GCXMLRequestOperation
{
    NSError *_XMLError;
}

#if TARGET_OS_IPHONE
+ (instancetype)XMLParserRequest:(GCNetworkRequest *)networkRequest callBackQueue:(dispatch_queue_t)queue completionHandler:(void(^)(NSXMLParser *parser, NSHTTPURLResponse *response))completionBlock errorHandler:(void(^)(NSXMLParser *parser, NSHTTPURLResponse *response, NSError *error))errorBlock
{
    __block GCXMLRequestOperation *operation = nil;

    operation = [[GCXMLRequestOperation alloc] initWithHTTPRequest:networkRequest
                                                     callBackQueue:dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0ul)
                                                 completionHandler:^(NSData *data, NSHTTPURLResponse *response) {

                                                     if (completionBlock)
                                                     {
                                                         NSXMLParser *parser = [operation XMLParserFromData:data];

                                                         dispatch_async(gc_dispatch_queue(queue), ^{completionBlock(parser, response);});
                                                     }

                                                     operation = nil;

                                                 } errorHandler:^(NSData *data, NSHTTPURLResponse *response, NSError *error) {

                                                     if (errorBlock)
                                                     {
                                                         NSXMLParser *parser = [operation XMLParserFromData:data];

                                                         dispatch_async(gc_dispatch_queue(queue), ^{errorBlock(parser, response, error);});
                                                     }

                                                     operation = nil;
                                                 }];
    return operation;
}

- (NSXMLParser *)XMLParserFromData:(NSData *)data
{
    return [[NSXMLParser alloc] initWithData:data];
}
#endif

#if __MAC_OS_X_VERSION_MIN_REQUIRED
+ (instancetype)XMLDocumentRequest:(GCNetworkRequest *)networkRequest callBackQueue:(dispatch_queue_t)queue completionHandler:(void(^)(NSXMLDocument *document, NSHTTPURLResponse *response))completionBlock errorHandler:(void(^)(NSXMLDocument *document, NSHTTPURLResponse *response, NSError *error))errorBlock
{
    __block GCXMLRequestOperation *operation = nil;

    operation = [[GCXMLRequestOperation alloc] initWithHTTPRequest:networkRequest
                                                     callBackQueue:dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0ul)
                                                 completionHandler:^(NSData *data, NSHTTPURLResponse *response) {

                                                     if (completionBlock)
                                                     {
                                                         NSXMLDocument *document = [operation XMLDocumentFromData:data];

                                                         dispatch_async(gc_dispatch_queue(queue), ^{completionBlock(document, response);});
                                                     }

                                                     operation = nil;

                                                 } errorHandler:^(NSData *data, NSHTTPURLResponse *response, NSError *error) {

                                                     if (errorBlock)
                                                     {
                                                         NSXMLDocument *document = [operation XMLDocumentFromData:data];

                                                         dispatch_async(gc_dispatch_queue(queue), ^{errorBlock(document, response, [operation error]);});
                                                     }

                                                     operation = nil;
                                                 }];
    return operation;
}

- (NSXMLDocument *)XMLDocumentFromData:(NSData *)data
{
    NSXMLDocument *document = nil;

    if (data)
    {
        NSError *error = nil;
        document = [[NSXMLDocument alloc] initWithData:data options:0 error:&error];

        if (!document) [self setError:error];
    }
    return document;
}
#endif

- (NSError *)error
{
    return (self->_XMLError) ?: [super error];
}

- (void)setError:(NSError *)error
{
    self->_XMLError = error;
}

@end