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//
// Objective_ZipViewController.m
// Objective-Zip
//
// Created by Gianluca Bertani on 25/12/09.
// Copyright Flying Dolphin Studio 2009. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of Gianluca Bertani nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
#import "Objective_ZipViewController.h"
#import "../Objective-Zip/ZipFile.h"
#import "../Objective-Zip/ZipException.h"
#import "../Objective-Zip/FileInZipInfo.h"
#import "../Objective-Zip/ZipWriteStream.h"
#import "../Objective-Zip/ZipReadStream.h"
#define HUGE_TEST_BLOCK_LENGTH (50000)
#define HUGE_TEST_NUMBER_OF_BLOCKS (100000)
@interface Objective_ZipViewController ()
#pragma mark -
#pragma mark Tests
- (void) test1;
- (void) test2;
- (void) test3;
- (void) test4;
#pragma mark -
#pragma mark Logging
- (void) log:(NSString *)format, ...;
@end
@implementation Objective_ZipViewController
- (void) loadView {
[super loadView];
_textView.font= [UIFont fontWithName:@"Helvetica" size:11.0];
}
- (void) dealloc {
[_testThread release];
[super dealloc];
}
- (void) didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
}
- (IBAction) zipUnzip {
if (_testThread)
[_testThread release];
_testThread= [[NSThread alloc] initWithTarget:self selector:@selector(test1) object:nil];
[_testThread start];
}
- (IBAction) zipUnzip2 {
if (_testThread)
[_testThread release];
_testThread= [[NSThread alloc] initWithTarget:self selector:@selector(test2) object:nil];
[_testThread start];
}
- (IBAction) zipCheck1 {
if (_testThread)
[_testThread release];
_testThread= [[NSThread alloc] initWithTarget:self selector:@selector(test3) object:nil];
[_testThread start];
}
- (IBAction) zipCheck2 {
if (_testThread)
[_testThread release];
_testThread= [[NSThread alloc] initWithTarget:self selector:@selector(test4) object:nil];
[_testThread start];
}
#pragma mark -
#pragma mark Test 1: zip & unzip
- (void) test1 {
NSAutoreleasePool *pool= [[NSAutoreleasePool alloc] init];
NSString *documentsDir= [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"];
NSString *filePath= [documentsDir stringByAppendingPathComponent:@"test.zip"];
@try {
[[NSFileManager defaultManager] removeItemAtPath:filePath error:NULL];
[self log:@"Test 1: opening zip file for writing..."];
ZipFile *zipFile= [[ZipFile alloc] initWithFileName:filePath mode:ZipFileModeCreate];
[self log:@"Test 1: adding first file..."];
ZipWriteStream *stream1= [zipFile writeFileInZipWithName:@"abc.txt" fileDate:[NSDate dateWithTimeIntervalSinceNow:-86400.0] compressionLevel:ZipCompressionLevelBest];
[self log:@"Test 1: writing to first file's stream..."];
NSString *text= @"abc";
[stream1 writeData:[text dataUsingEncoding:NSUTF8StringEncoding]];
[self log:@"Test 1: closing first file's stream..."];
[stream1 finishedWriting];
[self log:@"Test 1: adding second file..."];
NSString *file2name= @"x/y/z/xyz.txt";
ZipWriteStream *stream2= [zipFile writeFileInZipWithName:file2name compressionLevel:ZipCompressionLevelNone];
[self log:@"Test 1: writing to second file's stream..."];
NSString *text2= @"XYZ";
[stream2 writeData:[text2 dataUsingEncoding:NSUTF8StringEncoding]];
[self log:@"Test 1: closing second file's stream..."];
[stream2 finishedWriting];
[self log:@"Test 1: closing zip file..."];
[zipFile close];
[zipFile release];
[self log:@"Test 1: opening zip file for reading..."];
ZipFile *unzipFile= [[ZipFile alloc] initWithFileName:filePath mode:ZipFileModeUnzip];
[self log:@"Test 1: reading file infos..."];
NSArray *infos= [unzipFile listFileInZipInfos];
for (FileInZipInfo *info in infos)
[self log:@"Test 1: - %@ %@ %d (%d)", info.name, info.date, info.size, info.level];
[self log:@"Test 1: opening first file..."];
[unzipFile goToFirstFileInZip];
ZipReadStream *read1= [unzipFile readCurrentFileInZip];
[self log:@"Test 1: reading from first file's stream..."];
NSMutableData *data1= [[[NSMutableData alloc] initWithLength:256] autorelease];
int bytesRead1= [read1 readDataWithBuffer:data1];
BOOL ok= NO;
if (bytesRead1 == 3) {
NSString *fileText1= [[[NSString alloc] initWithBytes:[data1 bytes] length:bytesRead1 encoding:NSUTF8StringEncoding] autorelease];
if ([fileText1 isEqualToString:@"abc"])
ok= YES;
}
if (ok)
[self log:@"Test 1: content of first file is OK"];
else
[self log:@"Test 1: content of first file is WRONG"];
[self log:@"Test 1: closing first file's stream..."];
[read1 finishedReading];
[self log:@"Test 1: opening second file..."];
[unzipFile locateFileInZip:file2name];
ZipReadStream *read2= [unzipFile readCurrentFileInZip];
[self log:@"Test 1: reading from second file's stream..."];
NSMutableData *data2= [[[NSMutableData alloc] initWithLength:256] autorelease];
int bytesRead2= [read2 readDataWithBuffer:data2];
ok= NO;
if (bytesRead2 == 3) {
NSString *fileText2= [[[NSString alloc] initWithBytes:[data2 bytes] length:bytesRead2 encoding:NSUTF8StringEncoding] autorelease];
if ([fileText2 isEqualToString:@"XYZ"])
ok= YES;
}
if (ok)
[self log:@"Test 1: content of second file is OK"];
else
[self log:@"Test 1: content of second file is WRONG"];
[self log:@"Test 1: closing second file's stream..."];
[read2 finishedReading];
[self log:@"Test 1: closing zip file..."];
[unzipFile close];
[unzipFile release];
[self log:@"Test 1: test terminated succesfully"];
} @catch (ZipException *ze) {
[self log:@"Test 1: caught a ZipException (see logs), terminating..."];
NSLog(@"Test 1: ZipException caught: %d - %@", ze.error, [ze reason]);
} @catch (id e) {
[self log:@"Test 1: caught a generic exception (see logs), terminating..."];
NSLog(@"Test 1: Exception caught: %@ - %@", [[e class] description], [e description]);
} @finally {
[[NSFileManager defaultManager] removeItemAtPath:filePath error:NULL];
}
[pool drain];
}
#pragma mark -
#pragma mark Test 2: zip & unzip 5 GB
- (void) test2 {
NSAutoreleasePool *pool= [[NSAutoreleasePool alloc] init];
NSString *documentsDir= [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"];
NSString *filePath= [documentsDir stringByAppendingPathComponent:@"huge_test.zip"];
@try {
[[NSFileManager defaultManager] removeItemAtPath:filePath error:NULL];
[self log:@"Test 2: opening zip file for writing..."];
ZipFile *zipFile= [[ZipFile alloc] initWithFileName:filePath mode:ZipFileModeCreate];
[self log:@"Test 2: adding file..."];
ZipWriteStream *stream= [zipFile writeFileInZipWithName:@"huge_file.txt" compressionLevel:ZipCompressionLevelBest];
[self log:@"Test 2: writing to file's stream..."];
NSMutableData *data= [[NSMutableData alloc] initWithLength:HUGE_TEST_BLOCK_LENGTH];
SecRandomCopyBytes(kSecRandomDefault, [data length], [data mutableBytes]);
NSData *checkData= [data subdataWithRange:NSMakeRange(0, 100)];
NSMutableData *buffer= [[NSMutableData alloc] initWithLength:HUGE_TEST_BLOCK_LENGTH]; // For use later
for (int i= 0; i < HUGE_TEST_NUMBER_OF_BLOCKS; i++) {
[stream writeData:data];
if (i % 100 == 0)
[self log:@"Test 2: written %d KB...", ([data length] / 1024) * (i +1)];
}
[self log:@"Test 2: closing file's stream..."];
[stream finishedWriting];
[self log:@"Test 2: closing zip file..."];
[zipFile close];
[zipFile release];
[self log:@"Test 2: opening zip file for reading..."];
ZipFile *unzipFile= [[ZipFile alloc] initWithFileName:filePath mode:ZipFileModeUnzip];
[self log:@"Test 2: opening file..."];
[unzipFile goToFirstFileInZip];
ZipReadStream *read= [unzipFile readCurrentFileInZip];
[self log:@"Test 2: reading from file's stream..."];
for (int i= 0; i < HUGE_TEST_NUMBER_OF_BLOCKS; i++) {
int bytesRead= [read readDataWithBuffer:buffer];
BOOL ok= NO;
if (bytesRead == [data length]) {
NSRange range= [buffer rangeOfData:checkData options:0 range:NSMakeRange(0, [buffer length])];
if (range.location == 0)
ok= YES;
}
if (!ok)
[self log:@"Test 2: content of file is WRONG at position %d KB", ([buffer length] / 1024) * i];
if (i % 100 == 0)
[self log:@"Test 2: read %d KB...", ([buffer length] / 1024) * (i +1)];
}
[self log:@"Test 2: closing file's stream..."];
[read finishedReading];
[self log:@"Test 2: closing zip file..."];
[unzipFile close];
[unzipFile release];
[self log:@"Test 2: test terminated succesfully"];
[data release];
[buffer release];
} @catch (ZipException *ze) {
[self log:@"Test 2: caught a ZipException (see logs), terminating..."];
NSLog(@"Test 2: ZipException caught: %d - %@", ze.error, [ze reason]);
} @catch (id e) {
[self log:@"Test 2: caught a generic exception (see logs), terminating..."];
NSLog(@"Test 2: Exception caught: %@ - %@", [[e class] description], [e description]);
} @finally {
[[NSFileManager defaultManager] removeItemAtPath:filePath error:NULL];
}
[pool drain];
}
#pragma mark -
#pragma mark Test 3: unzip & check Mac zip file
- (void) test3 {
NSAutoreleasePool *pool= [[NSAutoreleasePool alloc] init];
NSString *filePath= [[NSBundle mainBundle] pathForResource:@"mac_test_file" ofType:@"zip"];
@try {
[self log:@"Test 3: opening zip file for reading..."];
ZipFile *unzipFile= [[ZipFile alloc] initWithFileName:filePath mode:ZipFileModeUnzip];
[self log:@"Test 3: opening file..."];
[unzipFile goToFirstFileInZip];
ZipReadStream *read= [unzipFile readCurrentFileInZip];
[self log:@"Test 3: reading from file's stream..."];
NSMutableData *buffer= [[NSMutableData alloc] initWithLength:1024];
int bytesRead= [read readDataWithBuffer:buffer];
NSString *fileText= [[[NSString alloc] initWithBytes:[buffer bytes] length:bytesRead encoding:NSUTF8StringEncoding] autorelease];
if ([fileText isEqualToString:@"Objective-Zip Mac test file\n"])
[self log:@"Test 3: content of Mac file is OK"];
else
[self log:@"Test 3: content of Mac file is WRONG"];
[self log:@"Test 3: closing file's stream..."];
[read finishedReading];
[self log:@"Test 3: closing zip file..."];
[unzipFile close];
[unzipFile release];
[self log:@"Test 3: test terminated succesfully"];
[buffer release];
} @catch (ZipException *ze) {
[self log:@"Test 3: caught a ZipException (see logs), terminating..."];
NSLog(@"Test 3: ZipException caught: %d - %@", ze.error, [ze reason]);
} @catch (id e) {
[self log:@"Test 3: caught a generic exception (see logs), terminating..."];
NSLog(@"Test 3: Exception caught: %@ - %@", [[e class] description], [e description]);
}
[pool drain];
}
#pragma mark -
#pragma mark Test 4: unzip & check Win zip file
- (void) test4 {
NSAutoreleasePool *pool= [[NSAutoreleasePool alloc] init];
NSString *filePath= [[NSBundle mainBundle] pathForResource:@"win_test_file" ofType:@"zip"];
@try {
[self log:@"Test 4: opening zip file for reading..."];
ZipFile *unzipFile= [[ZipFile alloc] initWithFileName:filePath mode:ZipFileModeUnzip];
[self log:@"Test 4: opening file..."];
[unzipFile goToFirstFileInZip];
ZipReadStream *read= [unzipFile readCurrentFileInZip];
[self log:@"Test 4: reading from file's stream..."];
NSMutableData *buffer= [[NSMutableData alloc] initWithLength:1024];
int bytesRead= [read readDataWithBuffer:buffer];
NSString *fileText= [[[NSString alloc] initWithBytes:[buffer bytes] length:bytesRead encoding:NSUTF8StringEncoding] autorelease];
if ([fileText isEqualToString:@"Objective-Zip Windows test file\r\n"])
[self log:@"Test 4: content of Win file is OK"];
else
[self log:@"Test 4: content of Win file is WRONG"];
[self log:@"Test 4: closing file's stream..."];
[read finishedReading];
[self log:@"Test 4: closing zip file..."];
[unzipFile close];
[unzipFile release];
[self log:@"Test 4: test terminated succesfully"];
[buffer release];
} @catch (ZipException *ze) {
[self log:@"Test 4: caught a ZipException (see logs), terminating..."];
NSLog(@"Test 4: ZipException caught: %d - %@", ze.error, [ze reason]);
} @catch (id e) {
[self log:@"Test 4: caught a generic exception (see logs), terminating..."];
NSLog(@"Test 4: Exception caught: %@ - %@", [[e class] description], [e description]);
}
[pool drain];
}
#pragma mark -
#pragma mark Logging
- (void) log:(NSString *)format, ... {
// Variable arguments formatting
va_list arguments;
va_start(arguments, format);
NSString *logLine= [[NSString alloc] initWithFormat:format arguments:arguments];
va_end(arguments);
[self performSelectorOnMainThread:@selector(printLog:) withObject:logLine waitUntilDone:YES];
[logLine release];
}
- (void) printLog:(NSString *)logLine {
NSLog(@"%@", logLine);
_textView.text= [_textView.text stringByAppendingString:logLine];
_textView.text= [_textView.text stringByAppendingString:@"\n"];
NSRange range;
range.location= [_textView.text length] -6;
range.length= 5;
[_textView scrollRangeToVisible:range];
}
@end
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