iOS-Categories/IOS-Categories/Foundation/NSDictionary/NSDictionary+SafeAccess.m

//
//  NSDictionary+SafeAccess.m
//  IOS-Categories
//
//  Created by Jakey on 15/1/25.
//  Copyright (c) 2015年 www.skyfox.org. All rights reserved.
//

#import "NSDictionary+SafeAccess.h"

@implementation NSDictionary (SafeAccess)
- (BOOL)hasKey:(NSString *)key
{
    return [self objectForKey:key] != nil;
}

- (NSString*)stringForKey:(id)key
{
    id value = [self objectForKey:key];
    if (value == nil || value == [NSNull null])
    {
        return nil;
    }
    if ([value isKindOfClass:[NSString class]]) {
        return (NSString*)value;
    }
    if ([value isKindOfClass:[NSNumber class]]) {
       return [value stringValue];
    }

    return nil;
}

- (NSNumber*)numberForKey:(id)key
{
    id value = [self objectForKey:key];
    if ([value isKindOfClass:[NSNumber class]]) {
        return (NSNumber*)value;
    }
    if ([value isKindOfClass:[NSString class]]) {
        NSNumberFormatter * f = [[NSNumberFormatter alloc] init];
        [f setNumberStyle:NSNumberFormatterDecimalStyle];
        return [f numberFromString:(NSString*)value];
    }
    return nil;
}

- (NSArray*)arrayForKey:(id)key
{
    id value = [self objectForKey:key];
    if (value == nil || value == [NSNull null])
    {
        return nil;
    }
    if ([value isKindOfClass:[NSArray class]])
    {
        return value;
    }
    return nil;
}

- (NSDictionary*)dictionaryForKey:(id)key
{
    id value = [self objectForKey:key];
    if (value == nil || value == [NSNull null])
    {
        return nil;
    }
    if ([value isKindOfClass:[NSDictionary class]])
    {
        return value;
    }
    return nil;
}

- (NSInteger)integerForKey:(id)key
{
    id value = [self objectForKey:key];
    if (value == nil || value == [NSNull null])
    {
        return 0;
    }
    if ([value isKindOfClass:[NSString class]] || [value isKindOfClass:[NSNumber class]])
    {
        return [value integerValue];
    }
    return 0;
}
- (NSUInteger)unsignedIntegerForKey:(id)key{
    id value = [self objectForKey:key];
    if (value == nil || value == [NSNull null])
    {
        return 0;
    }
    if ([value isKindOfClass:[NSString class]] || [value isKindOfClass:[NSNumber class]])
    {
        return [value unsignedIntegerValue];
    }
    return 0;
}
- (BOOL)boolForKey:(id)key
{
    id value = [self objectForKey:key];

    if (value == nil || value == [NSNull null])
    {
        return NO;
    }
    if ([value isKindOfClass:[NSNumber class]])
    {
        return [value boolValue];
    }
    if ([value isKindOfClass:[NSString class]])
    {
        return [value boolValue];
    }
    return NO;
}
- (int16_t)int16ForKey:(id)key
{
    id value = [self objectForKey:key];

    if (value == nil || value == [NSNull null])
    {
        return 0;
    }
    if ([value isKindOfClass:[NSNumber class]])
    {
        return [value shortValue];
    }
    if ([value isKindOfClass:[NSString class]])
    {
        return [value intValue];
    }
    return 0;
}
- (int32_t)int32ForKey:(id)key
{
    id value = [self objectForKey:key];

    if (value == nil || value == [NSNull null])
    {
        return 0;
    }
    if ([value isKindOfClass:[NSNumber class]] || [value isKindOfClass:[NSString class]])
    {
        return [value intValue];
    }
    return 0;
}
- (int64_t)int64ForKey:(id)key
{
    id value = [self objectForKey:key];

    if (value == nil || value == [NSNull null])
    {
        return 0;
    }
    if ([value isKindOfClass:[NSNumber class]] || [value isKindOfClass:[NSString class]])
    {
        return [value longLongValue];
    }
    return 0;
}
- (char)charForKey:(id)key{
    id value = [self objectForKey:key];

    if (value == nil || value == [NSNull null])
    {
        return 0;
    }
    if ([value isKindOfClass:[NSNumber class]] || [value isKindOfClass:[NSString class]])
    {
        return [value charValue];
    }
    return 0;
}
- (short)shortForKey:(id)key
{
    id value = [self objectForKey:key];

    if (value == nil || value == [NSNull null])
    {
        return 0;
    }
    if ([value isKindOfClass:[NSNumber class]])
    {
        return [value shortValue];
    }
    if ([value isKindOfClass:[NSString class]])
    {
        return [value intValue];
    }
    return 0;
}
- (float)floatForKey:(id)key
{
    id value = [self objectForKey:key];

    if (value == nil || value == [NSNull null])
    {
        return 0;
    }
    if ([value isKindOfClass:[NSNumber class]] || [value isKindOfClass:[NSString class]])
    {
        return [value floatValue];
    }
    return 0;
}
- (double)doubleForKey:(id)key
{
    id value = [self objectForKey:key];

    if (value == nil || value == [NSNull null])
    {
        return 0;
    }
    if ([value isKindOfClass:[NSNumber class]] || [value isKindOfClass:[NSString class]])
    {
        return [value doubleValue];
    }
    return 0;
}
- (long long)longLongForKey:(id)key
{
    id value = [self objectForKey:key];
    if ([value isKindOfClass:[NSString class]] || [value isKindOfClass:[NSNumber class]]) {
        return [value longLongValue];
    }
    return 0;
}

- (unsigned long long)unsignedLongLongForKey:(id)key
{
    id value = [self objectForKey:key];
    if ([value isKindOfClass:[NSString class]]) {
        NSNumberFormatter *nf = [[NSNumberFormatter alloc] init];
        value = [nf numberFromString:value];
    }
    if ([value isKindOfClass:[NSNumber class]]) {
        return [value unsignedLongLongValue];
    }
    return 0;
}
//CG
- (CGFloat)CGFloatForKey:(id)key
{
    CGFloat f = [self[key] doubleValue];
    return f;
}

- (CGPoint)pointForKey:(id)key
{
    CGPoint point = CGPointFromString(self[key]);
    return point;
}
- (CGSize)sizeForKey:(id)key
{
    CGSize size = CGSizeFromString(self[key]);
    return size;
}
- (CGRect)rectForKey:(id)key
{
    CGRect rect = CGRectFromString(self[key]);
    return rect;
}
@end

#pragma --mark NSMutableDictionary setter
@implementation NSMutableDictionary (SafeAccess)
-(void)setObj:(id)i forKey:(NSString*)key{
    if (i!=nil) {
        self[key] = i;
    }
}
-(void)setString:(NSString*)i forKey:(NSString*)key;
{
    [self setValue:i forKey:key];
}
-(void)setBool:(BOOL)i forKey:(NSString *)key
{
    self[key] = @(i);
}
-(void)setInt:(int)i forKey:(NSString *)key
{
    self[key] = @(i);
}
-(void)setInteger:(NSInteger)i forKey:(NSString *)key
{
    self[key] = @(i);
}
-(void)setUnsignedInteger:(NSUInteger)i forKey:(NSString *)key
{
    self[key] = @(i);
}
-(void)setCGFloat:(CGFloat)f forKey:(NSString *)key
{
    self[key] = @(f);
}
-(void)setChar:(char)c forKey:(NSString *)key
{
    self[key] = @(c);
}
-(void)setFloat:(float)i forKey:(NSString *)key
{
    self[key] = @(i);
}
-(void)setDouble:(double)i forKey:(NSString*)key{
    self[key] = @(i);
}
-(void)setLongLong:(long long)i forKey:(NSString*)key{
    self[key] = @(i);
}
-(void)setPoint:(CGPoint)o forKey:(NSString *)key
{
    self[key] = NSStringFromCGPoint(o);
}
-(void)setSize:(CGSize)o forKey:(NSString *)key
{
    self[key] = NSStringFromCGSize(o);
}
-(void)setRect:(CGRect)o forKey:(NSString *)key
{
    self[key] = NSStringFromCGRect(o);
}
@end