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Asked: 2026-05-19T04:35:37+00:00

I am trying to parse data from a xml web service but I am

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I am trying to parse data from a xml web service but I am not able to get my url. Please check my code:

NSLog(@"log url: %@",url);
[url stringByAddingPercentEscapesUsingEncoding: NSASCIIStringEncoding];
NSLog(@"%@",url);
[url stringByReplacingOccurrencesOfString:@" " withString:@"%20"];
NSLog(@"%@",url);

NSURL *URL = [NSURL URLWithString:url];
NSXMLParser *home_Parser = [[NSXMLParser alloc] initWithContentsOfURL:URL];
[home_Parser setDelegate:self];
[home_Parser parse];
[home_Parser release];

I am always getting URL as nil. The reason is my string url has space included. I have tried to replace it and escape it but it is not working. Following is the url that I am using

http://www.mydomain.com/radioListGenre.php?genre=Radiostations playing Rock
how can I remove this space. Is there any other technique the those I used above.

Thanks
Pankaj

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1 Answer

  1. Editorial Team

    stringByAddingPercentEscapesUsingEncoding and stringByReplacingOccurrencesOfString operate on the string provided and return a string. You’re not assigning the return value to anything so url isn’t changing, the return value is just vanishing into space. You want something more like:

    url = [url stringByAddingPercentEscapesUsingEncoding: NSASCIIStringEncoding];

    assuming url is a mutable string. Now url contains the modified version of url. Without the assignment it’s effective the same as doing something like this:

    a + 1;

    instead of:

    a = a + 1
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