jens@7: //
jens@7: //  URLUtils.m
jens@11: //  MYUtilities
jens@7: //
jens@7: //  Created by Jens Alfke on 4/28/08.
jens@11: //  Copyright 2008 Jens Alfke. All rights reserved.
jens@7: //
jens@7: 
jens@7: #import "URLUtils.h"
jens@7: 
jens@7: 
jens@17: @implementation NSURL (MYUtilities)
jens@17: 
jens@17: + (NSString*) my_stringByTrimmingURLString: (NSString*)string
jens@17: {
jens@17:     NSMutableString *trimmed = [[string mutableCopy] autorelease];
jens@17:     NSRange r;
jens@17:     // Remove all whitespace and newlines:
jens@17:     while(YES){
jens@17:         r = [trimmed rangeOfCharacterFromSet: [NSCharacterSet whitespaceAndNewlineCharacterSet]];
jens@17:         if( r.length==0 )
jens@17:             break;
jens@17:         [trimmed replaceCharactersInRange: r withString: @""];
jens@17:     }
jens@17:     
jens@17:     // Delete surrounding "<...>":
jens@17:     r = NSMakeRange(0,trimmed.length);
jens@17:     if( [trimmed hasPrefix: @"<"] ) {
jens@17:         r.location++;
jens@17:         r.length--;
jens@17:     }
jens@17:     if( [trimmed hasSuffix: @">"] )
jens@17:         r.length--;
jens@17:     return [trimmed substringWithRange: r];
jens@17: }
jens@17: 
jens@17: + (NSURL*) my_URLWithLenientString: (NSString*)string 
jens@17:                      defaultScheme: (NSString*)defaultScheme
jens@17:                     allowedSchemes: (NSArray*)allowedSchemes
jens@17: {
jens@17:     // Trim it:
jens@17:     string = [self my_stringByTrimmingURLString: string];
jens@17:     if( string.length==0 )
jens@17:         return nil;
jens@17:     NSURL *url = [NSURL URLWithString: string];
jens@17:     if( ! url )
jens@17:         return nil;
jens@17:     // Apply default scheme (if any):
jens@17:     NSString *scheme = url.scheme.lowercaseString;
jens@17:     if( scheme == nil ) {
jens@17:         if(  ! defaultScheme )
jens@17:             return nil;
jens@17:         string = $sprintf(@"%@://%@", defaultScheme,string);
jens@17:         url = [NSURL URLWithString: string];
jens@17:         scheme = [url scheme];
jens@17:         if( scheme == nil )
jens@17:             return nil;
jens@17:     }
jens@17:     // Check that scheme is allowed:
jens@17:     if( allowedSchemes && ![allowedSchemes containsObject: scheme] )
jens@17:         return nil;
jens@17:     return url;
jens@17: }
jens@17: 
jens@17: @end
jens@17: 
jens@17: 
jens@17: 
jens@17: 
jens@7: @implementation NSHTTPURLResponse (MYUtilities)
jens@7: 
jens@7: 
jens@7: - (NSError*) HTTPError
jens@7: {
jens@7:     // HTTP status >= 300 is considered an error:
jens@7:     int status = self.statusCode;
jens@7:     if( status >= 300 ) {
snej@19:         NSString *reason = [NSHTTPURLResponse localizedStringForStatusCode: status];
jens@7:         NSDictionary *info = $dict({NSLocalizedFailureReasonErrorKey,reason});
jens@7:         return [NSError errorWithDomain: MyHTTPErrorDomain code: status userInfo: info];
jens@7:     } else
jens@7:         return nil;
jens@7: }
jens@7: 
jens@7: 
jens@7: NSString* const MyHTTPErrorDomain = @"HTTP";
jens@7: 
jens@7: 
jens@7: @end
jens@11: 
jens@11: 
jens@11: /*
jens@11:  Copyright (c) 2008, Jens Alfke <jens@mooseyard.com>. All rights reserved.
jens@11:  
jens@11:  Redistribution and use in source and binary forms, with or without modification, are permitted
jens@11:  provided that the following conditions are met:
jens@11:  
jens@11:  * Redistributions of source code must retain the above copyright notice, this list of conditions
jens@11:  and the following disclaimer.
jens@11:  * Redistributions in binary form must reproduce the above copyright notice, this list of conditions
jens@11:  and the following disclaimer in the documentation and/or other materials provided with the
jens@11:  distribution.
jens@11:  
jens@11:  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
jens@11:  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
jens@11:  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRI-
jens@11:  BUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
jens@11:  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
jens@11:   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
jens@11:  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 
jens@11:  THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
jens@11:  */