开源项目objective-zip

Objective-Zip is a small Cocoa/Objective-C library that wraps ZLib and MiniZip in an object-oriented friendly way.

项目地址：

http://code.google.com/p/objective-zip/

 

部分使用代码：（代码来自官网下载）

  1 - (void) test {
  2     NSAutoreleasePool *pool= [[NSAutoreleasePool alloc] init];
  3 
  4     @try {
  5         NSString *documentsDir= [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"];
  6         NSString *filePath= [documentsDir stringByAppendingPathComponent:@"test.zip"];
  7 
  8         [self performSelectorOnMainThread:@selector(log:) withObject:@"Opening zip file for writing..." waitUntilDone:YES];
  9         
 10         ZipFile *zipFile= [[ZipFile alloc] initWithFileName:filePath mode:ZipFileModeCreate];
 11 
 12         [self performSelectorOnMainThread:@selector(log:) withObject:@"Adding first file..." waitUntilDone:YES];
 13         
 14         ZipWriteStream *stream1= [zipFile writeFileInZipWithName:@"abc.txt" fileDate:[NSDate dateWithTimeIntervalSinceNow:-86400.0] compressionLevel:ZipCompressionLevelBest];
 15 
 16         [self performSelectorOnMainThread:@selector(log:) withObject:@"Writing to first file's stream..." waitUntilDone:YES];
 17 
 18         NSString *text= @"abc";
 19         [stream1 writeData:[text dataUsingEncoding:NSUTF8StringEncoding]];
 20 
 21         [self performSelectorOnMainThread:@selector(log:) withObject:@"Closing first file's stream..." waitUntilDone:YES];
 22         
 23         [stream1 finishedWriting];
 24         
 25         [self performSelectorOnMainThread:@selector(log:) withObject:@"Adding second file..." waitUntilDone:YES];
 26         
 27         ZipWriteStream *stream2= [zipFile writeFileInZipWithName:@"x/y/z/xyz.txt" compressionLevel:ZipCompressionLevelNone];
 28         
 29         [self performSelectorOnMainThread:@selector(log:) withObject:@"Writing to second file's stream..." waitUntilDone:YES];
 30         
 31         NSString *text2= @"XYZ";
 32         [stream2 writeData:[text2 dataUsingEncoding:NSUTF8StringEncoding]];
 33         
 34         [self performSelectorOnMainThread:@selector(log:) withObject:@"Closing second file's stream..." waitUntilDone:YES];
 35         
 36         [stream2 finishedWriting];
 37         
 38         [self performSelectorOnMainThread:@selector(log:) withObject:@"Closing zip file..." waitUntilDone:YES];
 39         
 40         [zipFile close];
 41         [zipFile release];
 42         
 43         [self performSelectorOnMainThread:@selector(log:) withObject:@"Opening zip file for reading..." waitUntilDone:YES];
 44         
 45         ZipFile *unzipFile= [[ZipFile alloc] initWithFileName:filePath mode:ZipFileModeUnzip];
 46         
 47         [self performSelectorOnMainThread:@selector(log:) withObject:@"Reading file infos..." waitUntilDone:YES];
 48         
 49         NSArray *infos= [unzipFile listFileInZipInfos];
 50         for (FileInZipInfo *info in infos) {
 51             NSString *fileInfo= [NSString stringWithFormat:@"- %@ %@ %d (%d)", info.name, info.date, info.size, info.level];
 52             [self performSelectorOnMainThread:@selector(log:) withObject:fileInfo waitUntilDone:YES];
 53         }
 54         
 55         [self performSelectorOnMainThread:@selector(log:) withObject:@"Opening first file..." waitUntilDone:YES];
 56         
 57         [unzipFile goToFirstFileInZip];
 58         ZipReadStream *read1= [unzipFile readCurrentFileInZip];
 59         
 60         [self performSelectorOnMainThread:@selector(log:) withObject:@"Reading from first file's stream..." waitUntilDone:YES];
 61         
 62         NSMutableData *data1= [[[NSMutableData alloc] initWithLength:256] autorelease];
 63         int bytesRead1= [read1 readDataWithBuffer:data1];
 64         
 65         BOOL ok= NO;
 66         if (bytesRead1 == 3) {
 67             NSString *fileText1= [[[NSString alloc] initWithBytes:[data1 bytes] length:bytesRead1 encoding:NSUTF8StringEncoding] autorelease];
 68             if ([fileText1 isEqualToString:@"abc"])
 69                 ok= YES;
 70         }
 71         
 72         if (ok)
 73             [self performSelectorOnMainThread:@selector(log:) withObject:@"Content of first file is OK" waitUntilDone:YES];
 74         else
 75             [self performSelectorOnMainThread:@selector(log:) withObject:@"Content of first file is WRONG" waitUntilDone:YES];
 76             
 77         [self performSelectorOnMainThread:@selector(log:) withObject:@"Closing first file's stream..." waitUntilDone:YES];
 78         
 79         [read1 finishedReading];
 80         
 81         [self performSelectorOnMainThread:@selector(log:) withObject:@"Opening second file..." waitUntilDone:YES];
 82 
 83         [unzipFile goToNextFileInZip];
 84         ZipReadStream *read2= [unzipFile readCurrentFileInZip];
 85 
 86         [self performSelectorOnMainThread:@selector(log:) withObject:@"Reading from second file's stream..." waitUntilDone:YES];
 87         
 88         NSMutableData *data2= [[[NSMutableData alloc] initWithLength:256] autorelease];
 89         int bytesRead2= [read2 readDataWithBuffer:data2];
 90         
 91         ok= NO;
 92         if (bytesRead2 == 3) {
 93             NSString *fileText2= [[[NSString alloc] initWithBytes:[data2 bytes] length:bytesRead2 encoding:NSUTF8StringEncoding] autorelease];
 94             if ([fileText2 isEqualToString:@"XYZ"])
 95                 ok= YES;
 96         }
 97         
 98         if (ok)
 99             [self performSelectorOnMainThread:@selector(log:) withObject:@"Content of second file is OK" waitUntilDone:YES];
100         else
101             [self performSelectorOnMainThread:@selector(log:) withObject:@"Content of second file is WRONG" waitUntilDone:YES];
102         
103         [self performSelectorOnMainThread:@selector(log:) withObject:@"Closing second file's stream..." waitUntilDone:YES];
104         
105         [read2 finishedReading];
106         
107         [self performSelectorOnMainThread:@selector(log:) withObject:@"Closing zip file..." waitUntilDone:YES];
108         
109         [unzipFile close];
110         [unzipFile release];
111         
112         [self performSelectorOnMainThread:@selector(log:) withObject:@"Test terminated succesfully" waitUntilDone:YES];
113         
114     } @catch (ZipException *ze) {
115         [self performSelectorOnMainThread:@selector(log:) withObject:@"Caught a ZipException (see logs), terminating..." waitUntilDone:YES];
116         
117         NSLog(@"ZipException caught: %d - %@", ze.error, [ze reason]);
118 
119     } @catch (id e) {
120         [self performSelectorOnMainThread:@selector(log:) withObject:@"Caught a generic exception (see logs), terminating..." waitUntilDone:YES];
121 
122         NSLog(@"Exception caught: %@ - %@", [[e class] description], [e description]);
123     }
124     
125     [pool drain];
126 }

 

 

 

posted @ 2012-12-11 15:42  西就东城  阅读(1030)  评论(0)  编辑  收藏  举报