exercise 15-4 (with modified sort)

[mdziedzic]

AddressCard.h

Code: (Objective-C)

#import <Foundation/Foundation.h>


@interface AddressCard: NSObject {
	NSString *firsName;
	NSString *lastName;
	NSString *streetAddress;
	NSString *city;
	NSString *usState;
	NSString *zip;
	NSString *country;
	NSString *phone;
	NSString *email;
}

@property (copy, nonatomic) NSString *firstName, *lastName, *streetAddress, *city,
								*usState, *zip, *country, *phone, *email;

-(void) setFirstName: (NSString *) theFirstName 
		 andLastName: (NSString *) theLastName
	andStreetAddress: (NSString *) theStreetAddress 
			 andCity: (NSString *) theCity
		  andUsState: (NSString *) theUsState 
			  andZip: (NSString *) theZip
		  andCountry: (NSString *) theCountry 
			andPhone: (NSString *) thePhone
			andEmail: (NSString *) theEmail;

-(void) print;
-(NSComparisonResult) compareNames: (id) element;

@end

AddressCard.m

Code: (Objective-C)

#import "AddressCard.h"


@implementation AddressCard

@synthesize firstName, lastName, streetAddress, city, usState, zip, country, phone, email;


-(void) setFirstName: (NSString *) theFirstName 
		 andLastName: (NSString *) theLastName
	andStreetAddress: (NSString *) theStreetAddress 
			 andCity: (NSString *) theCity
		  andUsState: (NSString *) theUsState 
			  andZip: (NSString *) theZip
		  andCountry: (NSString *) theCountry 
			andPhone: (NSString *) thePhone
			andEmail: (NSString *) theEmail
{
	self.firstName = theFirstName;
	self.lastName = theLastName;
	self.streetAddress = theStreetAddress;
	self.city = theCity;
	self.usState = theUsState;
	self.zip = theZip;
	self.country = theCountry;
	self.phone = thePhone;
	self.email = theEmail;
}

-(void) print
{
	NSString *fullName = [self.firstName stringByAppendingString: @" "];
	fullName = [fullName stringByAppendingString: self.lastName];

	NSLog(@"====================================");
	NSLog(@"|                                  |");
	NSLog(@"|  %-31s |", [fullName UTF8String]);
	NSLog(@"|  %-31s |", [streetAddress UTF8String]);
	NSLog(@"|  %-31s |", [city UTF8String]);
	NSLog(@"|  %-31s |", [usState UTF8String]);
	NSLog(@"|  %-31s |", [zip UTF8String]);
	NSLog(@"|  %-31s |", [country UTF8String]);
	NSLog(@"|  %-31s |", [phone UTF8String]);	
	NSLog(@"|  %-31s |", [email UTF8String]);
	NSLog(@"|                                  |");
	NSLog(@"|                                  |");
	NSLog(@"|       O                  O       |");
	NSLog(@"====================================");
}

-(NSComparisonResult) compareNames: (id) element
{
	NSString *eFullName = [[element lastName] stringByAppendingString: @" "];
	eFullName = [eFullName stringByAppendingString: [element firstName]];
	
	NSString *fullName = [self.lastName stringByAppendingString: @" "];
	fullName = [fullName stringByAppendingString: self.firstName];
	
	return [fullName compare: eFullName];
}

@end

AddressBook.h

Code: (Objective-C)

#import <Foundation/Foundation.h>
#import "AddressCard.h"


@interface AddressBook: NSObject {
	NSString *bookName;
	NSMutableArray *book;
}

-(id) initWithName: (NSString *) name;
-(void) addCard: (AddressCard *) theCard;
-(void) removeCard: (AddressCard *) theCard;
-(int) entries;
-(void) list;
-(void) sort;
-(NSMutableArray *) lookup: (NSString *) theName;
-(void) dealloc;

@end

AddressBook.m

Code: (Objective-C)

#import "AddressBook.h"


@implementation AddressBook

// set up the AddressBook's name and an empty book

-(id) initWithName: (NSString *) name
{
	self = [super init];
	
	if (self) {
		bookName = [[NSString alloc] initWithString: name];
		book = [[NSMutableArray alloc] init];
	}
	
	return self;
}


-(void) addCard: (AddressCard *) theCard
{
	[book addObject: theCard];
}


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


-(int) entries
{
	return [book count];
}

	
-(void) list
{
	NSLog(@"======== Contents of: %@ =========", bookName);
	
	for (AddressCard *theCard in book) {
		NSString *fullName = [theCard.lastName stringByAppendingString: @", "];
		fullName = [fullName stringByAppendingString: theCard.firstName];	

		NSLog(@"%-15s    %-32s", [fullName UTF8String],
			  [theCard.email UTF8String]);
	}
	
	NSLog(@"==================================================");
}


-(void) sort
{
	[book sortUsingSelector: @selector(compareNames:)];
}


-(NSMutableArray *) lookup: (NSString *) theName
{
	NSMutableArray *matches = [[[NSMutableArray alloc] init] autorelease];
		
	for (AddressCard *nextCard in book) {
		
		NSString *fullName = [nextCard.firstName stringByAppendingString: @" "];
		fullName = [fullName stringByAppendingString: nextCard.lastName];	
		
		NSRange textSearch = [fullName rangeOfString: theName options: NSCaseInsensitiveSearch];
		if (textSearch.location != NSNotFound)
			[matches addObject: nextCard];
	}
	
	return matches;
}

	
-(void) dealloc
{
	[bookName release];
	[book release];
	[super dealloc];
}

@end

main

Code: (Objective-C)

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


int main (int argc, const char * argv[]) {
    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
	
	NSString *aFirstName = @"Julia";
	NSString *aLastName = @"Kochan";
	NSString *aStreetAddress = @"123 Main Street";
	NSString *aCity = @"Denver";
	NSString *aUsState = @"Colorado";
	NSString *aZip = @"33454-2323";
	NSString *aCountry = @"USA";
	NSString *aPhone = @"333-343-9876";
	NSString *aEmail = @"jewls377@axlc.com";
	
	NSString *bFirstName = @"Tony";
	NSString *bLastName = @"Iannino";
	NSString *bStreetAddress = @"717 Atlantic Avenue";
	NSString *bCity = @"Boston";
	NSString *bUsState = @"Massachusetts";
	NSString *bZip = @"22122";
	NSString *bCountry = @"USA";
	NSString *bPhone = @"217-333-5656";	
	NSString *bEmail = @"tony.iannino@techfitness.com";
	
	NSString *cFirstName = @"Stephen";
	NSString *cLastName = @"Kochan";
	NSString *cStreetAddress = @"321 Main Street";
	NSString *cCity = @"Boulder";
	NSString *cUsState = @"Colorado";
	NSString *cZip = @"33454";
	NSString *cCountry = @"USA";
	NSString *cPhone = @"333-555-3434";	
	NSString *cEmail = @"steven@kochan.wood.com";
	
	NSString *dFirstName = @"Jamie";
	NSString *dLastName = @"Baker";
	NSString *dStreetAddress = @"1 Infinite Loop";
	NSString *dCity = @"Cupertino";
	NSString *dUsState = @"California";
	NSString *dZip = @"99332";
	NSString *dCountry = @"USA";
	NSString *dPhone = @"444-555-3333";	
	NSString *dEmail = @"jbaker@kochan-wood.com";
	
	NSString *eFirstName = @"Maki";
	NSString *eLastName = @"Dziedzic";
	NSString *eStreetAddress = @"2824 NW Santanita Terrace";
	NSString *eCity = @"Portland";
	NSString *eUsState = @"Oregon";
	NSString *eZip = @"97210";
	NSString *eCountry = @"USA";
	NSString *ePhone = @"503-220-4010";		
	NSString *eEmail = @"maki@eggfoo.com";
	
	
	AddressCard *card1 = [[AddressCard alloc] init];
	AddressCard *card2 = [[AddressCard alloc] init];
	AddressCard *card3 = [[AddressCard alloc] init];
	AddressCard *card4 = [[AddressCard alloc] init];
	AddressCard *card5 = [[AddressCard alloc] init];
	
	
	AddressBook *myBook = [AddressBook alloc];
	NSMutableArray *matchedCards;
	
	// first set up five address cards
	
	[card1 setFirstName: aFirstName 
			andLastName: aLastName
	   andStreetAddress: aStreetAddress
				andCity: aCity
			 andUsState: aUsState
				 andZip: aZip
			 andCountry: aCountry
			   andPhone: aPhone
			   andEmail: aEmail];
	
	[card2 setFirstName: bFirstName 
			andLastName: bLastName
	   andStreetAddress: bStreetAddress
				andCity: bCity
			 andUsState: bUsState
				 andZip: bZip
			 andCountry: bCountry
			   andPhone: bPhone
			   andEmail: bEmail];

	[card3 setFirstName: cFirstName 
			andLastName: cLastName
	   andStreetAddress: cStreetAddress
				andCity: cCity
			 andUsState: cUsState
				 andZip: cZip
			 andCountry: cCountry
			   andPhone: cPhone
			   andEmail: cEmail];

	[card4 setFirstName: dFirstName 
			andLastName: dLastName
	   andStreetAddress: dStreetAddress
				andCity: dCity
			 andUsState: dUsState
				 andZip: dZip
			 andCountry: dCountry
			   andPhone: dPhone
			   andEmail: dEmail];

	[card5 setFirstName: eFirstName 
			andLastName: eLastName
	   andStreetAddress: eStreetAddress
				andCity: eCity
			 andUsState: eUsState
				 andZip: eZip
			 andCountry: eCountry
			   andPhone: ePhone
			   andEmail: eEmail];
	
	
	myBook = [myBook initWithName: @"Michael's Address Book"];
	
	// add some cards to the address book
	
	[myBook addCard: card1];
	[myBook addCard: card2];
	[myBook addCard: card3];
	[myBook addCard: card4];
	[myBook addCard: card5];
	
	// look up a person by name
	
	NSString *searchTerm = @"ko";
	
	NSLog(@"Lookup: %@", searchTerm);
	matchedCards = [myBook lookup: searchTerm];
	
	if ([matchedCards count] > 0) {
		for (AddressCard *theCard in matchedCards)
			[theCard print];
	} else {	
		NSLog(@"Not found!");
	}
	
	NSLog(@"\n");
	NSLog(@"Unsorted Address Book:\n\n");
	
	[myBook list];
	
	NSLog(@"\n");
	NSLog(@"Sorted Address Book:\n\n");

	[myBook sort];
	[myBook list];
	
	
	[card1 release];
	[card2 release];
	[card3 release];
	[card4 release];
	[card5 release];
	[myBook release];
	
	[pool drain];
    return 0;
}

Lookup: ko
====================================
|                                  |
|  Julia Kochan                    |
|  123 Main Street                 |
|  Denver                          |
|  Colorado                        |
|  33454-2323                      |
|  USA                             |
|  333-343-9876                    |
|  jewls377@axlc.com               |
|                                  |
|                                  |
|       O                  O       |
====================================
====================================
|                                  |
|  Stephen Kochan                  |
|  321 Main Street                 |
|  Boulder                         |
|  Colorado                        |
|  33454                           |
|  USA                             |
|  333-555-3434                    |
|  steven@kochan.wood.com          |
|                                  |
|                                  |
|       O                  O       |
====================================

Unsorted Address Book:

======== Contents of: Michael's Address Book =========
Kochan, Julia      jewls377@axlc.com               
Iannino, Tony      tony.iannino@techfitness.com   
Kochan, Stephen    steven@kochan.wood.com         
Baker, Jamie       jbaker@kochan-wood.com         
Dziedzic, Maki     maki@eggfoo.com                 
==================================================

Sorted Address Book:

======== Contents of: Michael's Address Book =========
Baker, Jamie       jbaker@kochan-wood.com         
Dziedzic, Maki     maki@eggfoo.com                 
Iannino, Tony      tony.iannino@techfitness.com   
Kochan, Julia      jewls377@axlc.com               
Kochan, Stephen    steven@kochan.wood.com         
==================================================

[skochan]

Looks good!   All those instance variables in the AddressCard class need to be released in a dealloc method (since they have the copy attribute).

Cheers,

Steve

[mdziedzic]

Thanks Steve. That helps... will do.