封装读取文件路径的类File.h+File.m

 1 #import <Foundation/Foundation.h>
 2 
 3 #define FILE_PATH(filePath)       [File path:(filePath)]
 4 #define ROOT_PATH                 [File rootPath]
 5 #define BUNDLE_PATH(fileName)     [File bundleSource:(fileName)]
 6 #define CREATE_FOLDER(folderPath) [File createFolder:(folderPath)]
 7 #define FILE_EXIST(filePath)      [File exist:(filePath)]
 8 #define IS_DIRECTORY(filePath)    [File isDirectory:(filePath)]
 9 #define IS_FILE(filePath)         ![File isDirectory:(filePath)]
10 #define FILE_INFO(filePath)       [File fileInfo:(filePath)]
11 #define FILE_SIZE(filePath)       [File fileSize:(filePath)]
12 #define FILE_DICTIONARY(filePath) [File dictionaryFrom:(filePath)]
13 #define FILE_ARRAY(filePath)      [File arrayFrom:(filePath)]
14 
15 @interface File : NSObject
16 
17 /*
18  注意:凡是参数为 filePath folderPath 的全部为相对路径,用以下字符串拼接使用
19  
20  /Documents
21  /Library/Caches
22  /Library/Preferences
23  /tmp
24  
25  其他都为绝对路径
26  */
27 
28 + (NSString *)rootPath;
29 + (NSString *)bundleSource:(NSString *)fileName;
30 + (NSString *)path:(NSString *)filePath;
31 + (BOOL)createFolder:(NSString *)filePath;
32 + (BOOL)exist:(NSString *)filePath;
33 + (BOOL)isDirectory:(NSString *)filePath;
34 + (NSDictionary *)fileInfo:(NSString *)filePath;
35 + (int)fileSize:(NSString *)filePath;
36 + (NSArray *)enumeratorFolder:(NSString *)folderPath;
37 + (void)enumeratorFolder:(NSString *)folderPath each:(void (^)(NSString *path))each;
38 
39 + (BOOL)copyFrom:(NSString *)sourcePath to:(NSString *)targetPath;
40 + (BOOL)moveFrom:(NSString *)sourcePath to:(NSString *)targetPath;
41 + (BOOL)remove:(NSString *)targetPath;
42 
43 + (BOOL)writePlist:(id)plist to:(NSString *)filePath;
44 + (NSMutableDictionary *)dictionaryFrom:(NSString *)filePath;
45 + (NSMutableArray *)arrayFrom:(NSString *)filePath;
46 + (void)path:(NSString *)filePath dictionary:(void (^)(NSMutableDictionary *dictionary))dictionary;
47 + (void)path:(NSString *)filePath array:(void (^)(NSMutableArray *array))array;
48 
49 @end

  1 #import "File.h"
  2 
  3 static NSString *_sandBoxPath = nil;
  4 
  5 @implementation File
  6 
  7 + (void)initialize
  8 {
  9     if (self == [File class])
 10     {
 11         _sandBoxPath = NSHomeDirectory();
 12     }
 13 }
 14 
 15 + (NSString *)rootPath
 16 {
 17     return _sandBoxPath;
 18 }
 19 
 20 + (NSString *)path:(NSString *)filePath
 21 {
 22     return [_sandBoxPath stringByAppendingPathComponent:filePath];
 23 }
 24 
 25 + (BOOL)createFolder:(NSString *)filePath
 26 {
 27     return [[NSFileManager defaultManager] createDirectoryAtPath:[self path:filePath]
 28                                      withIntermediateDirectories:YES
 29                                                       attributes:nil
 30                                                            error:nil];
 31 }
 32 
 33 + (NSString *)bundleSource:(NSString *)fileName
 34 {
 35     return [[NSBundle mainBundle] pathForResource:fileName
 36                                            ofType:nil];
 37 }
 38 
 39 + (BOOL)exist:(NSString *)filePath
 40 {
 41     return [[NSFileManager defaultManager] fileExistsAtPath:[self path:filePath]
 42                                                 isDirectory:NO];
 43 }
 44 
 45 + (BOOL)isDirectory:(NSString *)filePath
 46 {
 47     BOOL isDirectory = NO;
 48     
 49     [[NSFileManager defaultManager] fileExistsAtPath:[self path:filePath]
 50                                          isDirectory:&isDirectory];
 51     
 52     return isDirectory;
 53 }
 54 
 55 + (BOOL)copyFrom:(NSString *)sourcePath to:(NSString *)targetPath
 56 {
 57     return [[NSFileManager defaultManager] copyItemAtPath:sourcePath
 58                                                    toPath:targetPath
 59                                                     error:nil];
 60 }
 61 
 62 + (BOOL)moveFrom:(NSString *)sourcePath to:(NSString *)targetPath
 63 {
 64     return [[NSFileManager defaultManager] moveItemAtPath:sourcePath
 65                                                    toPath:targetPath
 66                                                     error:nil];
 67 }
 68 
 69 + (BOOL)remove:(NSString *)targetPath
 70 {
 71     return [[NSFileManager defaultManager] removeItemAtPath:targetPath
 72                                                       error:nil];
 73 }
 74 
 75 + (NSArray *)enumeratorFolder:(NSString *)folderPath
 76 {
 77     if ([self isDirectory:folderPath])
 78     {
 79         NSMutableArray *storeArray = [NSMutableArray array];
 80         
 81         NSString *docsDir = [NSHomeDirectory() stringByAppendingPathComponent:folderPath];
 82         NSFileManager *localFileManager = [[NSFileManager alloc] init];
 83         NSDirectoryEnumerator *dirEnum = [localFileManager enumeratorAtPath:docsDir];
 84         
 85         NSString *file;
 86         while ((file = [dirEnum nextObject]))
 87         {
 88             [storeArray addObject:[folderPath stringByAppendingPathComponent:file]];
 89         }
 90         
 91         return storeArray;
 92     }
 93     else
 94     {
 95         return nil;
 96     }
 97 }
 98 
 99 + (void)enumeratorFolder:(NSString *)folderPath each:(void (^)(NSString *path))each
100 {
101     if ([self isDirectory:folderPath])
102     {
103         NSMutableArray *storeArray = [NSMutableArray array];
104         
105         NSString *docsDir = [NSHomeDirectory() stringByAppendingPathComponent:folderPath];
106         NSFileManager *localFileManager = [[NSFileManager alloc] init];
107         NSDirectoryEnumerator *dirEnum = [localFileManager enumeratorAtPath:docsDir];
108         
109         NSString *file;
110         while ((file = [dirEnum nextObject]))
111         {
112             [storeArray addObject:[folderPath stringByAppendingPathComponent:file]];
113         }
114         
115         [storeArray enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
116             each(obj);
117         }];
118     }
119 }
120 
121 + (NSDictionary *)fileInfo:(NSString *)filePath
122 {
123     return [[NSFileManager defaultManager] attributesOfItemAtPath:[self path:filePath]
124                                                             error:nil];
125 }
126 
127 + (int)fileSize:(NSString *)filePath
128 {
129     return [[[[NSFileManager defaultManager] attributesOfItemAtPath:[self path:filePath]
130                                                               error:nil] 131              objectForKey:@"NSFileSize"] intValue];
132 }
133 
134 + (BOOL)writePlist:(id)plist to:(NSString *)filePath
135 {
136     if ([plist isKindOfClass:[NSDictionary class]])
137     {
138         NSDictionary *point = plist;
139         
140         return [point writeToFile:[self path:filePath]
141                        atomically:YES];
142     }
143     else if ([plist isKindOfClass:[NSArray class]])
144     {
145         NSArray *point = plist;
146         
147         return [point writeToFile:[self path:filePath]
148                        atomically:YES];
149     }
150     else
151     {
152         return NO;
153     }
154 }
155 
156 + (NSMutableDictionary *)dictionaryFrom:(NSString *)filePath
157 {
158     NSMutableDictionary *dictionary = 159         [[NSMutableDictionary alloc] initWithContentsOfFile:[self path:filePath]];
160     
161     return dictionary;
162 }
163 
164 + (NSMutableArray *)arrayFrom:(NSString *)filePath
165 {
166     NSMutableArray *array = 167         [[NSMutableArray alloc] initWithContentsOfFile:[self path:filePath]];
168     
169     return array;
170 }
171 
172 + (void)path:(NSString *)filePath dictionary:(void (^)(NSMutableDictionary *dictionary))dictionary
173 {
174     NSMutableDictionary *sourceDictionary = 175         [[NSMutableDictionary alloc] initWithContentsOfFile:[self path:filePath]];
176     
177     dictionary(sourceDictionary);
178     
179     [sourceDictionary writeToFile:[self path:filePath]
180                        atomically:YES];
181 }
182 
183 + (void)path:(NSString *)filePath array:(void (^)(NSMutableArray *array))array
184 {
185     NSMutableArray *sourceArray = 186     [[NSMutableArray alloc] initWithContentsOfFile:[self path:filePath]];
187     
188     array(sourceArray);
189     
190     [sourceArray writeToFile:[self path:filePath]
191                   atomically:YES];
192 }
193 
194 @end