19.9

[mdeh]

Code: (Objective-C)

#import <Foundation/NSObject.h>
#import <Foundation/NSAutoreleasePool.h>
#import <Foundation/NSString.h>
#import <Foundation/NSKeyedArchiver.h>
#import <Foundation/NSCoder.h>
#import <Foundation/NSData.h>
#import "AddressBook.h"
#import "Foo.h"




int main (int argc, const char * argv[]) {
    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
	Foo				*myFoo1 = [ [ Foo alloc] init];
	Foo				*myFoo2;
	NSMutableData	*dataArea;
	NSKeyedArchiver *archiver;
	AddressBook		*myBook;
	
	NSString *aName = @"Julia Kochan";
	NSString *aEmail = @"jewls337@axlc.com";
	NSString *bName = @"Tony Iannino";
	NSString *bEmail = @"Tony.Iannino@techfitness.com";
	NSString *cName = @"Steven Kochan";
	NSString *cEmail = @"steve@steve_kochan.com";
	NSString *dName = @"Jamie Baker";
	NSString *dEmail = @"jbaker@hitmail.com";
	AddressCard *card1 = [[ AddressCard alloc] init];
	AddressCard *card2 = [[ AddressCard alloc] init];
	AddressCard *card3 = [[ AddressCard alloc] init];
	AddressCard *card4 = [[ AddressCard alloc] init];
	
	myBook = [AddressBook alloc];
	// Fist set up 4 address cards 
	[card1 setName: aName andEmail: aEmail];
	[card2 setName: bName andEmail: bEmail];
	[card3 setName: cName andEmail: cEmail];
	[card4 setName: dName andEmail: dEmail];
	
	[myBook initWithName: @"Steve's Address Book"];
	
	// Add some cards to the address book
	
	[myBook addCard: card1];
	[myBook addCard: card2];
	[myBook addCard: card3];
	[myBook addCard: card4];
	
	[myBook sort];
	[myBook list];
	
	[myFoo1 setStrVal: @"This is the string"];
	[myFoo1 setIntVal: 12345];
	[myFoo1 setFloatVal: 98.6];
	
	// Set up data area and connect it to an NSKeyedArchiver object
	
	dataArea = [NSMutableData data];
	archiver = [[ NSKeyedArchiver alloc] initForWritingWithMutableData: dataArea];
	[archiver encodeObject:myBook forKey: @"myaddrbook"];
	[archiver encodeObject:myFoo1 forKey: @"myfoo1"];
	[archiver finishEncoding];
	
	// Write the archived data area to a file
	
	if (( [ dataArea writeToFile:@"myArchive"atomically:YES ] ) == NO)
		NSLog(@"Archiving failed");
	
	[archiver release];
	[myFoo1 release];
	[ card1 release];
	[ card2  release];
	[ card3  release];
	[ card4  release];
	[myBook release];
    [pool drain];
    return 0;
}