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/* -*-objc-*-
*
* GNUstep RSS Kit
* Copyright (C) 2006 Guenther Noack
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, in version 2.1
* of the License
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#import "RSSLinks.h"
#import "RSSFactory.h"
#import "RSSArticle+Storage.h"
#import <Foundation/Foundation.h>
#import "GNUstep.h"
/*
* -----------------------------------------------------
* RSSLink helper methods to serialize this into a Plist
* -----------------------------------------------------
*/
@interface RSSLink (Storage)
-(NSDictionary*) plistDictionary;
+(id) urlFromPlistDictionary: (NSDictionary*) aDict;
@end
@implementation RSSLink (Storage)
-(NSDictionary*) plistDictionary
{
NSMutableDictionary* dict = [NSMutableDictionary dictionaryWithCapacity: 3];
NSString* desc = [self description];
NSString* type = [self fileType];
NSString* rel = [self relationType];
if (desc != nil) [dict setObject: desc forKey: @"value"];
if (type != nil) [dict setObject: type forKey: @"type"];
if (rel != nil) [dict setObject: rel forKey: @"rel"];
return dict;
}
+(id) urlFromPlistDictionary: (NSDictionary*) aDict
{
return [RSSLink linkWithString: [aDict objectForKey: @"value"]
andRel: [aDict objectForKey: @"rel"]
andType: [aDict objectForKey: @"type"] ];
}
@end
/**
* Allows to store articles to files and serialize
* articles into Plist-compatibly dictionaries.
*/
@implementation RSSArticle (Storage)
/**
* Returns the article with the URL anURL from the storage
*/
+(id<RSSArticle>)articleFromStorageWithURL: (NSString*) anURL
{
return [[RSSFactory sharedFactory] articleFromDictionary:
[NSDictionary dictionaryWithContentsOfFile:
[[RSSFactory sharedFactory] storagePathForURL: anURL]]];
}
/**
* Initialises the article with the URL anURL from the storage.
*
* @deprecated
*
* Calling this method is generally a bad idea, since
* it doesn't allow you to decide on load-time which
* article is going to be created. Better use one of the
* RSSFactory methods for article unarchiving.
*/
-(id) initFromStorageWithURL: (NSString*) anURL
{
#ifdef GNUSTEP
NSDebugLog(@"Calling -initFromStorageWithURL on a concrete RSSArticle class instance");
#endif
return [self initWithDictionary:
[NSDictionary dictionaryWithContentsOfFile:
[[RSSFactory sharedFactory] storagePathForURL: anURL]]];
}
/**
* Initialises the article instance with the contents of the aDictionary variable.
*/
-(id) initWithDictionary: (NSDictionary*) aDictionary
{
if ((self = [super init]) != nil) {
NSArray* arr;
int i;
if (aDictionary == nil) {
DESTROY(self);
return nil;
}
ASSIGN( headline, [aDictionary objectForKey: @"headline"] );
ASSIGN( url, [aDictionary objectForKey: @"article URL"] );
ASSIGN( description, [aDictionary objectForKey: @"article content"] );
ASSIGN( date, [aDictionary objectForKey: @"date"] );
arr = [aDictionary objectForKey: @"links"];
ASSIGN(links, AUTORELEASE([[NSMutableArray alloc] init]));
for (i=0; i<[arr count]; i++) {
[links addObject: [RSSLink urlFromPlistDictionary: [arr objectAtIndex: i]]];
}
}
return self;
}
-(NSString*) storagePath
{
return [[RSSFactory sharedFactory] storagePathForURL: url];
}
/**
* Stores the article (usually as a file in the Reader folder).
*/
-(BOOL) store
{
return [[self plistDictionary] writeToFile: [self storagePath] atomically: YES];
}
/**
* Returns the dictionary that stores the information for this article object.
*/
-(NSMutableDictionary*) plistDictionary
{
int i;
NSMutableDictionary* dict;
NSMutableArray* linksArray;
// Create a (Plist-compatible) array of Dictionaries from
// the article's link list (an array of NSURL instances)
linksArray = [NSMutableArray arrayWithCapacity: [links count]];
for (i=0;i<[links count]; i++) {
RSSLink* thisURL = [links objectAtIndex: i];
[linksArray addObject: [thisURL plistDictionary]];
}
// Create a dictionary from it all.3
dict = [NSMutableDictionary dictionaryWithCapacity: 10];
if (headline != nil ) [dict setObject: headline forKey: @"headline"];
if (url != nil ) [dict setObject: url forKey: @"article URL"];
if (description != nil) [dict setObject: description forKey: @"article content"];
if (date != nil ) [dict setObject: date forKey: @"date"];
[dict setObject: linksArray forKey: @"links"];
return dict;
}
@end
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