//
//  NSString+File.m
//  CoreCategory
//
//  Created by 成林 on 15/4/6.
//  Copyright (c) 2015年 沐汐. All rights reserved.
//

#import "NSString+File.h"

@implementation NSString (File)

/*
 *  document根文件夹
 */
+ (NSString *)documentFolder
{
    return [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject];
}

/*
 *  caches根文件夹
 */
+ (NSString *)cachesFolder
{
    return [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];
}

/**
 *  生成子文件夹
 *
 *  如果子文件夹不存在，则直接创建；如果已经存在，则直接返回
 *
 *  @param subFolder 子文件夹名
 *
 *  @return 文件夹路径
 */
- (NSString *)createSubFolder:(NSString *)subFolder
{
    NSString *subFolderPath=[NSString stringWithFormat:@"%@/%@",self,subFolder];
    
    BOOL isDir = NO;
    
    NSFileManager *fileManager = [NSFileManager defaultManager];
    
    BOOL existed = [fileManager fileExistsAtPath:subFolderPath isDirectory:&isDir];
    
    if ( !(isDir == YES && existed == YES) )
    {
        [fileManager createDirectoryAtPath:subFolderPath withIntermediateDirectories:YES attributes:nil error:nil];
    }
    
    return subFolderPath;
}

@end