Synnefo » Pithos iOS Client

//

//  ComputeModel.m

//  OpenStack

//

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

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

//

#import "ComputeModel.h"

#import "NSObject+NSCoding.h"

@implementation ComputeModel

@synthesize identifier, name;

#pragma mark -

#pragma mark Serialization

- (void)encodeWithCoder: (NSCoder *)coder {

    [self autoEncodeWithCoder:coder];

}

- (id)initWithCoder:(NSCoder *)coder {

    self = [super init];

    if (self) {

        [self autoDecode:coder];

    }

    return self;

}

#pragma mark -

#pragma mark JSON Parsing

- (id)initWithJSONDict:(NSDictionary *)dict {

    if (self = [super init]) {

        self.identifier = [[dict objectForKey:@"id"] description];

        self.name = [dict objectForKey:@"name"];

    }

    return self;

}

- (NSInteger)intForKey:(NSString *)key inDict:(NSDictionary *)dict {

    NSInteger result = 0;

    if ([dict objectForKey:key] != [NSNull null]) {

        result = [((NSNumber *)[dict objectForKey:key]) intValue];

    }

    return result;

}

- (NSDate *)dateForKey:(NSString *)key inDict:(NSDictionary *)dict {

    NSDate *date = nil;

    if ([dict objectForKey:key] != [NSNull null]) {

        date = [self dateFromString:[dict objectForKey:key]];

    }

    return date;

}

#pragma mark -

#pragma mark Date Parser

+ (NSDate *)dateFromString:(NSString *)dateString {   

    // example: 2009-11-04T19:46:20.192723

    // 2010-01-26T12:07:32-06:00

    NSMutableDictionary *threadDict = [[NSThread currentThread] threadDictionary];

	NSDateFormatter *dateFormatter = [threadDict objectForKey:@"iso8601DateFormatter"];

    if (!dateFormatter) {

        dateFormatter = [[NSDateFormatter alloc] init];

        [dateFormatter setLocale:[[[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"] autorelease]];

        [dateFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss.SSSSSSZ"];

        [threadDict setObject:dateFormatter forKey:@"iso8601DateFormatter"];

        [dateFormatter release];

    }

    return [dateFormatter dateFromString:[dateString stringByReplacingOccurrencesOfString:@":" 

                                                                               withString:@"" 

                                                                                  options:NSBackwardsSearch 

                                                                                    range:NSMakeRange(([dateString length] - 3), 1)]];

}

+ (NSDate *)dateFromRFC1123String:(NSString *)dateString {

    NSMutableDictionary *threadDict = [[NSThread currentThread] threadDictionary];

    NSDateFormatter *dateFormatter = [threadDict objectForKey:@"rfc1123DateFormatter"];

    if (!dateFormatter) {

        dateFormatter = [[NSDateFormatter alloc] init];

        [dateFormatter setTimeZone:[NSTimeZone timeZoneWithAbbreviation:@"GMT"]];

        [dateFormatter setDateFormat:@"eee, dd MMM yyyy HH:mm:ss 'GMT'"];

        [threadDict setObject:dateFormatter forKey:@"rfc1123DateFormatter"];

        [dateFormatter release];

    }

    return [dateFormatter dateFromString:dateString];

}

+ (NSString *)localDateDescriptionFromDate:(NSDate *)date {

    NSMutableDictionary *threadDict = [[NSThread currentThread] threadDictionary];

    NSDateFormatter *dateFormatterLocal = [threadDict objectForKey:@"dateFormatterLocal"];

    if (!dateFormatterLocal) {

        dateFormatterLocal = [[NSDateFormatter alloc] init];

        [dateFormatterLocal setTimeZone:[NSTimeZone localTimeZone]];

        [dateFormatterLocal setDateFormat:@"yyyy-MM-dd HH:mm:ss"];

        [threadDict setObject:dateFormatterLocal forKey:@"dateFormatterLocal"];

        [dateFormatterLocal release];

    }

    return [dateFormatterLocal stringFromDate:date];

}

- (NSDate *)dateFromString:(NSString *)dateString {

	return [[self class] dateFromString:dateString];

}

#pragma mark Comparison

- (NSComparisonResult)compare:(ComputeModel *)aComputeModel {

    return [self.name caseInsensitiveCompare:aComputeModel.name];

}

- (NSString *)description {

    if ([[self class] respondsToSelector:@selector(toJSON:)]) {

        return [[self class] performSelector:@selector(toJSON:) withObject:self];

    } else {

        return [super description];

    }

}

#pragma mark -

#pragma mark Memory Management

- (void)dealloc {

    [identifier release];

    [name release];

    [super dealloc];

}

@end