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NSDictionary+OTRestRequestSerialization.m
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NSDictionary+OTRestRequestSerialization.m
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//
// NSDictionary+OTRestRequestSerialization.m
// OTRestFramework
//
// Created by Blake Watters on 7/28/09.
// Copyright 2009 Two Toasters. All rights reserved.
//
#import "NSDictionary+OTRestRequestSerialization.h"
// private helper function to convert any object to its string representation
static NSString *toString(id object) {
return [NSString stringWithFormat: @"%@", object];
}
// private helper function to convert string to UTF-8 and URL encode it
static NSString *urlEncode(id object) {
NSString *string = toString(object);
return [string stringByAddingPercentEscapesUsingEncoding: NSUTF8StringEncoding];
}
@implementation NSDictionary (OTRestRequestSerialization)
- (NSString*)URLEncodedString {
NSMutableArray *parts = [NSMutableArray array];
for (id key in self) {
id value = [self objectForKey:key];
if ([value isKindOfClass:[NSArray class]]) {
for (id item in value) {
NSString *part = [NSString stringWithFormat: @"%@[]=%@",
urlEncode(key), urlEncode(item)];
[parts addObject:part];
}
} else {
NSString *part = [NSString stringWithFormat: @"%@=%@",
urlEncode(key), urlEncode(value)];
[parts addObject:part];
}
}
return [parts componentsJoinedByString: @"&"];
}
- (NSString*)ContentTypeHTTPHeader {
return @"application/x-www-form-urlencoded";
}
- (NSData*)HTTPBody {
return [[self URLEncodedString] dataUsingEncoding:NSUTF8StringEncoding];
}
@end