//  Created by EasyIOS on 14-4-10.
//  Copyright (c) 2014年 zhuchao. All rights reserved.
//

#import "EzUserDefaults.h"

// ----------------------------------
// Source code
// ----------------------------------

#pragma mark -

@implementation EzUserDefaults

DEF_SINGLETON( EzUserDefaults )

- (BOOL)hasObjectForKey:(id)key
{
	id value = [[NSUserDefaults standardUserDefaults] objectForKey:key];
	return value ? YES : NO;
}

- (id)objectForKey:(NSString *)key
{
	if ( nil == key )
		return nil;
	
	id value = [[NSUserDefaults standardUserDefaults] objectForKey:key];
	return value;
}

- (id)objectForKey:(NSString *)key defaultValue:(id)defaultValue
{
    if ( nil == key )
        return defaultValue;
    id value = [[NSUserDefaults standardUserDefaults] objectForKey:key];
    return value ?: defaultValue;
}

- (void)setObject:(id)value forKey:(NSString *)key
{
	if ( nil == key || nil == value )
		return;

	[[NSUserDefaults standardUserDefaults] setObject:value forKey:key];
    [[NSUserDefaults standardUserDefaults] synchronize];
}

- (void)removeObjectForKey:(NSString *)key
{
	if ( nil == key )
		return;
	
	[[NSUserDefaults standardUserDefaults] removeObjectForKey:key];
    [[NSUserDefaults standardUserDefaults] synchronize];
}

- (void)removeAllObjects
{
	[NSUserDefaults resetStandardUserDefaults];
}

- (id)objectForKeyedSubscript:(id)key
{
	return [self objectForKey:key];
}

- (void)setObject:(id)obj forKeyedSubscript:(id)key
{
	if ( obj )
	{
		[self setObject:obj forKey:key];
	}
	else
	{
		[self removeObjectForKey:key];
	}
}

@end