parameterString
Returns the parameter string of a URL conforming to RFC 1808.
- (NSString *)parameterString
Return Value of [NSURL parameterString]
The parameter string of the URL. If the receiver does not conform to RFC 1808, returns
nil.
Example of [NSURL parameterString]
NSString *url_ = @"foo://name.com:8080/12345;param?foo=1&baa=2#fragment";
NSURL *url = [NSURL URLWithString:url_];
NSLog(@"scheme: %@", [url scheme]);
NSLog(@"host: %@", [url host]);
NSLog(@"port: %@", [url port]);
NSLog(@"path: %@", [url path]);
NSLog(@"path components: %@", [url pathComponents]);
NSLog(@"parameterString: %@", [url parameterString]);
NSLog(@"query: %@", [url query]);
NSLog(@"fragment: %@", [url fragment]);
Example of [NSURL parameterString]
- (NSDictionary *) parameterDictionaryFromURL:(NSURL *)url {
NSMutableDictionary *parameterDictionary = [[NSMutableDictionary alloc] init];
if ([[url scheme] isEqualToString:@"mailto"]) {
NSString *mailtoParameterString = [[url absoluteString] substringFromIndex:[@"mailto:" length]];
NSUInteger questionMarkLocation = [mailtoParameterString rangeOfString:@"?"].location;
[parameterDictionary setObject:[mailtoParameterString substringToIndex:questionMarkLocation] forKey:@"recipient"];
if (questionMarkLocation != NSNotFound) {
NSString *parameterString = [mailtoParameterString substringFromIndex:questionMarkLocation + 1];
NSArray *keyValuePairs = [parameterString componentsSeparatedByString:@"&"];
for (NSString *queryString in keyValuePairs) {
NSArray *keyValuePair = [queryString componentsSeparatedByString:@"="];
if (keyValuePair.count == 2)
[parameterDictionary setObject:[[keyValuePair objectAtIndex:1] URLDecodedString] forKey:[[keyValuePair objectAtIndex:0] URLDecodedString]];
}
}
}
else {
NSString *parameterString = [url parameterString];
NSArray *keyValuePairs = [parameterString componentsSeparatedByString:@"&"];
for (NSString *queryString in keyValuePairs) {
NSArray *keyValuePair = [queryString componentsSeparatedByString:@"="];
if (keyValuePair.count == 2)
[parameterDictionary setObject:[[keyValuePair objectAtIndex:1] URLDecodedString] forKey:[[keyValuePair objectAtIndex:0] URLDecodedString]];
}
}
return [parameterDictionary copy];
}