Program 15.12

[TotalLuck]

RemoveCard Method interface

Code: (Objective-C)

-(void) removeCard: (AddressCard *) theCard;

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RemoveCard Method Implementation

Code: (Objective-C)

-(void) removeCard: (AddressCard *) theCard
{
	[book removeObjectIdenticalTo: theCard];
}

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test Program

Code: (Objective-C)

#import <Foundation/NSObject.h>
#import <Foundation/NSString.h>
#import "AddressBook.h"


int main(int argc, char *argv[])
{
    NSAutoreleasePool *pool	= [[NSAutoreleasePool alloc] init];
	NSString *aName = @"Julia Kochan";
	NSString *aEmail = @"jewls337@axlc.com";
	NSString *bName = @"Tony Iannino";
	NSString *bEmail = @"tony.iannino@techfitness.com";
	NSString *cName = @"Stephen Kochan";
	NSString *cEmail = @"steve@kochan-wood.com";
	NSString *dName = @"Jamie Baker";
	NSString *dEmail = @"jbaker@kochan-wood.com";
	

	AddressCard *card1 = [[ AddressCard alloc] init];
	AddressCard *card2 = [[ AddressCard alloc] init];
	AddressCard *card3 = [[ AddressCard alloc] init];
	AddressCard *card4 = [[ AddressCard alloc] init];
	
	// set up Four addressCards
	
	[card1 setName: aName andEmail: aEmail];
	[card2 setName: bName andEmail: bEmail];
	[card3 setName: cName andEmail: cEmail];
	[card4 setName: dName andEmail: dEmail];
	
	AddressBook *myBook = [ AddressBook alloc];
	AddressCard *myCard;
		
	// Now initialize the Adress Book
	myBook = [ myBook initWithName:@"L=inda's Address Book"];
	
	//add some cards to the address book
	[myBook addCard: card1];
	[myBook addCard: card2];
	[myBook addCard: card3];
	[myBook addCard: card4];
	
	// look up a person by name
	
	NSLog (@"Lookup: Stephen Kochan");
	myCard = [myBook lookup: @"Stephen Kochan"];
	
	if (myCard != nil)
		[myCard print];
	else
		NSLog(@"Not Found!");
	
	// now remove the entry form the book
	
	[myBook removeCard: myCard];
	[myBook list]; // verify its gone
	
	
		
	[card1 release];
	[card2 release];
	[card3 release];
	[card4 release];
	
	[pool drain];
	
	return 0;
	
}

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