映射json反序列化的字典到自定义类型

BaseModel.m

//
//  BaseModle.m
//  apitester
//
//  Created by LiMing on 14-1-16.
//  Copyright (c) 2014年 LiMing. All rights reserved.
//

#import "BaseModle.h"
#import <objc/message.h>

@implementation BaseModle
-(id)init:(NSDictionary *)data{
    self = [super init];
    if (self){
        [self setAttributes:data];
    }
    return (self);
}

- (id)copyWithZone:(NSZone *)zone {
    id bmodel = [[self.class allocWithZone:zone] init];
    return bmodel;
}

-(void) loadData:(NSDictionary*)data{
    [self setAttributes:data];
}

- (NSDictionary *)attributeMapDictionary{
    NSMutableDictionary *propertyDict = [[NSMutableDictionary alloc] init];
    unsigned int outCount = 0;
    objc_property_t *properties = class_copyPropertyList(self.class, &outCount);
    for (int i = 0; i < outCount; i++) {
        objc_property_t property = properties[i];
        NSString *propName = [NSString stringWithUTF8String:property_getName(property)];
        const char *typeName =property_getAttributes(property);
        NSString *properyTypeName = [[NSString alloc] initWithCString:typeName encoding:NSUTF8StringEncoding];
        //NSLog(@"property class is %@", properyTypeName);
        [propertyDict setObject:properyTypeName forKey:propName];
    }
    return propertyDict;
}

- (void)setAttributes:(NSDictionary *)data{
    NSDictionary *propertys = [self attributeMapDictionary];
    for (NSString *attributeName in [propertys allKeys]){
        SEL sel = [self getSetterAttributeName:attributeName];
        if ([self respondsToSelector:sel]) {
            id value = [data objectForKey:attributeName];
            if (value) {
                NSString* className = [self className:[propertys objectForKey:attributeName]];
                if ([value isKindOfClass:[NSDictionary class]]) {
                    id subObject = [[NSClassFromString(className) alloc] init:value];
                    [self performSelectorOnMainThread:sel withObject: subObject waitUntilDone:YES];
                    continue;
                }
                if ([value isKindOfClass:[NSArray class]]) {
                    if ([className isEqualToString:@"NSString"] || [className isEqualToString:@"NSNumber"]) {
                        [self performSelectorOnMainThread:sel withObject: value waitUntilDone:YES];
                        continue;
                    }
                    NSMutableArray *dataArray = [[NSMutableArray alloc] init];
                    for (id dateItem in value) {
                        id subObject = [[NSClassFromString(className) alloc] init:dateItem];
                        [dataArray addObject:subObject];
                    }
                    [self performSelectorOnMainThread:sel withObject: dataArray waitUntilDone:YES];
                    continue;
                }
                
                [self performSelectorOnMainThread:sel withObject:value waitUntilDone:YES];
            }
        }
    }
}

- (NSString*) className:(NSString *)propertyTypeName {
    NSLog(@"%@", propertyTypeName);
    NSString* name = [[propertyTypeName componentsSeparatedByString:@","] objectAtIndex:0];
    NSString* cName = [[name substringToIndex:[name length]-1] substringFromIndex:3];
    if ([cName rangeOfString:@"<"].location != NSNotFound) {
        NSString* subName = [cName substringFromIndex:[cName rangeOfString:@"<"].location+1];
        return [subName substringToIndex:[subName length]-1];
    }
    return cName;
}


- (SEL)getSetterAttributeName:(NSString *)attributeName
{
    NSString *capital = [[attributeName substringToIndex:1] uppercaseString];
    
    NSString *setterSelStr = [NSString stringWithFormat:@"set%@%@:",capital,[attributeName substringFromIndex:1]];
    
    return NSSelectorFromString(setterSelStr);
    
}

@end