Synnefo » Pithos iOS Client

//

//  Archiver.m

//  OpenStack

//

//  Created by Mike Mayo on 10/4/10.

//  The OpenStack project is provided under the Apache 2.0 license.

//

#import "Archiver.h"

@implementation Archiver

+ (id)retrieve:(NSString *)key {

    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

    NSString *documentsDirectory = [paths objectAtIndex:0];

    NSString *filePath = [documentsDirectory stringByAppendingString:[NSString stringWithFormat:@"/%@.archive", key]];

//    NSLog(@"filepath: %@", filePath);

    return [NSKeyedUnarchiver unarchiveObjectWithFile:filePath];

    /* TODO: fixme on potential leak - "retrieve" doesn't match copy or alloc pattern, and hence should be returning autoreleased object

     * Not changing right now, but documenting for later fixing - need to see how and where [Archiver.. retrieve:key] is used to make sure 

     * switching this won't cause a crash

     */

}

+ (void)persist:(id)object key:(NSString *)key {

//    dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0);

//    dispatch_async(queue, ^{        

        NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

        NSString *documentsDirectory = [paths objectAtIndex:0];

        NSString *filePath = [documentsDirectory stringByAppendingString:[NSString stringWithFormat:@"/%@.archive", key]];

        [NSKeyedArchiver archiveRootObject:object toFile:filePath];

//    });

}

+ (BOOL)delete:(NSString *)key {

    NSFileManager *fileManager = [NSFileManager defaultManager];

    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

    NSString *documentsDirectory = [paths objectAtIndex:0];

    NSString *filePath = [documentsDirectory stringByAppendingString:[NSString stringWithFormat:@"/%@.archive", key]];

    return [fileManager removeItemAtPath:filePath error:NULL];    

}

+ (BOOL)deleteEverything {

    BOOL result = YES;

    NSFileManager *fileManager = [NSFileManager defaultManager];

    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

    NSString *documentsDirectory = [paths objectAtIndex:0];

    NSArray *files = [fileManager contentsOfDirectoryAtPath:documentsDirectory error:NULL];

    for (int i = 0; i < [files count]; i++) {

        NSString *path = [files objectAtIndex:i];

        result = result && [fileManager removeItemAtPath:path error:NULL];

    }

    return result;

}

@end