jasu's blog

-(NSString *)shortenedURL:(NSString *)url{
      NSString *bitLyLogin = @"yourLogin";
      NSString *bitLyAPIKey = @"yourAPIKey";
      NSString *shortenedURL = [NSString stringWithContentsOfURL:[NSURL URLWithString:[NSString stringWithFormat:@"http://api.bit.ly/v3/shorten?login=%@&apikey=%@&longUrl=%@&format=txt", bitLyLogin, bitLyAPIKey, url]] encoding:NSUTF8StringEncoding error:nil];
      
      return shortenedURL;
}

-(void) date1{
      // output : 7/23/12
      NSDate *today = [NSDate dateWithTimeIntervalSinceNow:0];
      NSDateFormatter *dateFormat = [[NSDateFormatter alloc] init];
      [dateFormat setDateStyle:NSDateFormatterShortStyle];
      NSString *dateString = [dateFormat stringFromDate:today];
      NSLog(@"date1 : %@", dateString);
}

-(void) date2{
      // output : 07/23/2012 07:36PM
      NSDate *today = [NSDate date];
      NSDateFormatter *dateFormat = [[NSDateFormatter alloc] init];
      [dateFormat setDateFormat:@"MM/dd/yyyy hh:mma"];
      NSString *dateString = [dateFormat stringFromDate:today];
      NSLog(@"date2 : %@", dateString);
      
}
-(void) date3{
      // output : Monday July 23, 2012
      NSDate *today = [NSDate date];
      NSDateFormatter *dateFormat = [[NSDateFormatter alloc] init];
      [dateFormat setDateFormat:@"EEEE MMMM d, YYYY"];
      NSString *dateString = [dateFormat stringFromDate:today];
      NSLog(@"date3 : %@", dateString);
}

-(void) date4{
      // output : 7:38 PM, GMT+09:00
      NSDate *today = [NSDate date];
      NSDateFormatter *dateFormat = [[NSDateFormatter alloc] init];
      [dateFormat setDateFormat:@"h:mm a, zzz"];
      NSString *dateString = [dateFormat stringFromDate:today];
      NSLog(@"date4 : %@", dateString);
}

-(void) date5{
      // output : 월요일 7월 23, 2012
      NSDate *date = [NSDate date];
      NSDateFormatter *dateFormat = [[NSDateFormatter alloc] init];
      [dateFormat setDateFormat:@"EEEE MMMM d, YYYY"];
      [dateFormat setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"ko_kr"]];
      NSString *dateString = [dateFormat stringFromDate:date];
      NSLog(@"date5 : %@", dateString);
}

[UIView animateWithDuration:0.3 animations:^{
                  [inputText becomeFirstResponder];
            }];

[UIView animateWithDuration:0.3 animations:^{
                  [inputText resignFirstResponder];
            }];

[UIView animateWithDuration:0.3 animations:^{
                  [inputText becomeFirstResponder];      
            } completion:^(BOOL finished) {
                  // 애니메이션 종료후 처리
            }];

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *dir = [paths objectAtIndex : 0];
FMDatabase *db = [FMDatabase databaseWithPath:[dir stringByAppendingPathComponent:@"app.db"]];
NSLog(@"%@", db);
[db open];
[db close];

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *dir = [paths objectAtIndex : 0];
FMDatabase *db = [FMDatabase databaseWithPath:[dir stringByAppendingPathComponent:@"app.db"]];
NSString *sql = @"CREATE TABLE IF NOT EXISTS users (id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT);";
[db open];
[db executeUpdate:sql];
[db close];

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *dir = [paths objectAtIndex : 0];
FMDatabase *db = [FMDatabase databaseWithPath:[dir stringByAppendingPathComponent:@"app.db"]];
NSString *sql = @"INSERT INTO users (name) VALUES (?)";

[db open];
[db executeUpdate:sql, @"이름" ];
[db close];

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *dir = [paths objectAtIndex : 0];
FMDatabase *db = [FMDatabase databaseWithPath:[dir stringByAppendingPathComponent:@"app.db"]];

NSString *sql = @"DELETE FROM users WHERE id =?";
[db open];
[db executeUpdate:sql, [NSNumber numberWithInteger:14]];
[db close];

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *dir = [paths objectAtIndex : 0];
FMDatabase *db = [FMDatabase databaseWithPath:[dir stringByAppendingPathComponent:@"app.db"]];

NSString *sql = @"SELECT id, name FROM users;";
[db open];

FMResultSet *results = [db executeQuery:sql];
NSMutableArray *users = [[NSMutableArray alloc] initWithCapacity:0];

while ([results next])
{
      User *user = [[User alloc] init];
      user.userId = [results intForColumnIndex:0];
      user.name = [results stringForColumnIndex:2];
      [users addObject:user];
}

[db close];

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *dir = [paths objectAtIndex : 0];
FMDatabase *db = [FMDatabase databaseWithPath:[dir stringByAppendingPathComponent:@"app.db"]];

NSString *sql = @"SELECT id, name FROM users;";
[db open];

FMResultSet *results = [db executeQuery:sql];
NSMutableArray *users = [NSMutableArray array];

while ([results next])
{
      User *user = [[User alloc] init];
      user.userId = [results intForColumnIndex:0];
      user.name = [results stringForColumnIndex:2];
      NSLog(@"%@", user.name);
      [users addObject:user];
}

[db close];


// Transaction
sql = @"INSERT INTO users (name) VALUES (?)";

[db open];
[db beginTransaction];

BOOL isSucceeded = YES;
for( User* user in users )
{
      NSLog(@"name:%@", user.name);
      if( ![db executeUpdate:sql, user.name] )
      {
isSucceeded = NO;
break;
      }
}

if( isSucceeded )
{
      [db commit];
}
else
{
      [db rollback];
}

[db close];

<?xml version="1.0" encoding="UTF-8"?>
<root>
      <person id="1">
            <firstName>Anthony</firstName>
            <lastName>Robbins</lastName>
            <age>51</age>
      </person>

      <person id="2">
            <firstName>Richard</firstName>
            <lastName>Branson</lastName>
            <age>61</age>
      </person>
</root>

#import <Foundation/Foundation.h>

@interface XMLElement : NSObject

@property (nonatomic, strong) NSString *name;
@property (nonatomic, strong) NSString *text;
@property (nonatomic, strong) NSDictionary *attributes;
@property (nonatomic, strong) NSMutableArray *subElements;
@property (nonatomic, weak) XMLElement *parent;

@end

#import "XMLElement.h"

@implementation XMLElement

@synthesize name;
@synthesize text;
@synthesize attributes;
@synthesize subElements;
@synthesize parent;

- (NSMutableArray *) subElements{
  if (subElements == nil){
    subElements = [[NSMutableArray alloc] init];
  }
  return subElements;
}

@end

#import <UIKit/UIKit.h>

@class XMLElement;

@interface Parsing_XML_with_NSXMLParserAppDelegate
           : UIResponder <UIApplicationDelegate, NSXMLParserDelegate>

@property (nonatomic, strong) UIWindow *window;
@property (nonatomic, strong) NSXMLParser *xmlParser;
@property (nonatomic, strong) XMLElement *rootElement;
@property (nonatomic, strong) XMLElement *currentElementPointer;

@end

#import "Parsing_XML_with_NSXMLParserAppDelegate.h"
#import "XMLElement.h"

@implementation Parsing_XML_with_NSXMLParserAppDelegate

@synthesize window = _window;
@synthesize xmlParser;
@synthesize rootElement;
@synthesize currentElementPointer;

- (void)parserDidStartDocument:(NSXMLParser *)parser{
      self.rootElement = nil;
      self.currentElementPointer = nil;
}

- (void)parserDidEndDocument:(NSXMLParser *)parser{
      self.currentElementPointer = nil;
}

- (void)        parser:(NSXMLParser *)parser 
       didStartElement:(NSString *)elementName 
          namespaceURI:(NSString *)namespaceURI
         qualifiedName:(NSString *)qName
            attributes:(NSDictionary *)attributeDict{
  
      if (self.rootElement == nil){
            /* 루트 element가 생성되지 않았을 때 */
            
            self.rootElement = [[XMLElement alloc] init];
            self.currentElementPointer = self.rootElement;
      } else {
            /* 루트 element가 있을 때 새로운 XMLElement 객체를 만들고 현재 참조 element를 parent로
             새로 만들어진 element를 현재 참조 element로 연결 */
            
            XMLElement *newElement = [[XMLElement alloc] init];
            newElement.parent = self.currentElementPointer;
            [self.currentElementPointer.subElements addObject:newElement];
            self.currentElementPointer = newElement;
      }

      self.currentElementPointer.name = elementName;
      self.currentElementPointer.attributes = attributeDict;
  
}

- (void)        parser:(NSXMLParser *)parser
         didEndElement:(NSString *)elementName
          namespaceURI:(NSString *)namespaceURI
         qualifiedName:(NSString *)qName{
      
      /* element를 빠져 나올 때 현재 XMLElement에서 parent로 참조하고 있는 element를
       현재 참조로 대입 */
      self.currentElementPointer = self.currentElementPointer.parent;
  
}

- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string{
  
      self.currentElementPointer.text = string;

}

- (BOOL)            application:(UIApplication *)application 
  didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{

      NSString *xmlFilePath = [[NSBundle mainBundle] pathForResource:@"MyXML"
                                                          ofType:@"xml"];

      NSData *xml = [[NSData alloc] initWithContentsOfFile:xmlFilePath];

      self.xmlParser = [[NSXMLParser alloc] initWithData:xml];
      
      self.xmlParser.delegate = self;

      if ([self.xmlParser parse]){
            NSLog(@"The XML is parsed.");
            XMLElement *element;
            XMLElement *subElement;
            for(element in self.rootElement.subElements){
                  NSLog(@"person ID : %@", [element.attributes objectForKey:@"id"]);
                  for(subElement in element.subElements){
                        NSLog(@"\t%@ : %@", subElement.name, subElement.text);
                  }
            }
      } else{
            NSLog(@"Failed to parse the XML");
      }
  
      self.window = [[UIWindow alloc] initWithFrame:
                 [[UIScreen mainScreen] bounds]];

      self.window.backgroundColor = [UIColor whiteColor];
      [self.window makeKeyAndVisible];
      return YES;
}
@end

The XML is parsed.
person ID : 1
	firstName : Anthony
	lastName : Robbins
	age : 51
person ID : 2
	firstName : Richard
	lastName : Branson
	age : 61

<?xml version="1.0" encoding="UTF-8"?>
<catalog>
   <book id="bk101">
      <author>Gambardella, Matthew</author>
      <title>XML Developer's Guide</title>
      <genre>Computer</genre>
      <price>44.95</price>
      <publish_date>2000-10-01</publish_date>
      <description>An in-depth look at creating applications 
      with XML.</description>
   </book>
</catalog>

NSString *path = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"sample.xml"];
    NSData *data = [NSData dataWithContentsOfFile:path];
    
    self.xmlParser = [[NSXMLParser alloc] initWithData:data];
    self.xmlParser.delegate = self;
    if([self.xmlParser parse]){
        NSLog(@"The XML is Parsed.");
        
    }else {
        NSLog(@"Failed to parse the XML");
    }

-(void) parserDidStartDocument:(NSXMLParser *)parser{
      NSLog(@"parserDidStartDocument");
      // tab 처리를 위한 전역 변수
      tabString = [NSMutableString new];
}

-(void) parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName 
                                          namespaceURI:(NSString *)namespaceURI 
                                          qualifiedName:(NSString *)qName 
                                          attributes:(NSDictionary *)attributeDict{
      tabString = [[tabString stringByAppendingString:@"\t"] mutableCopy];
      NSLog(@"%@", [tabString stringByAppendingString:elementName]);
      
}

-(void) parser:(NSXMLParser *)parser foundCharacters:(NSString *)string{
      NSLog(@"%@", [tabString stringByAppendingString:string]);
}

-(void) parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName 
                                          namespaceURI:(NSString *)namespaceURI 
                                          qualifiedName:(NSString *)qName{
      NSLog(@"%@", [tabString stringByAppendingString:elementName]);
      tabString = [[tabString substringToIndex:[tabString length]-1] mutableCopy];
}

-(void) parserDidEndDocument:(NSXMLParser *)parser{
      NSLog(@"parserDidEndDocument");
      tabString = nil;
}

parserDidStartDocument
	catalog
	
   
		book
		
      
			author
			Gambardella, Matthew
			author
		
      
			title
			XML Developer's Guide
			title
		
      
			genre
			Computer
			genre
		
      
			price
			44.95
			price
		
      
			publish_date
			2000-10-01
			publish_date
		
      
			description
			An in-depth look at creating applications 
      with XML.
			description
		
   
		book
	

	catalog
parserDidEndDocument
The XML is Parsed.