RSS Feed + NSXML Parser
// h ---------
#import <UIKit/UIKit.h>
typedef enum {
etNone = 0,
etItem
} eElementType;
@interface XMLSampleViewController : UITableViewController {
NSURLConnection *xmlConnection;
eElementType elementType;
NSMutableString *xmlValue;
NSMutableData *receiveData;
NSMutableArray *xmlParseData;
NSMutableDictionary *currectItem;
}
@end
// m------------------
#import "XMLSampleViewController.h"
@implementation XMLSampleViewController
- (void)didReceiveMemoryWarning {
// Releases the view if it doesn't have a superview.
[super didReceiveMemoryWarning];
// Release any cached data, images, etc that aren't in use.
}
//
- (void)viewDidUnload {
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}
//???: 안전해제
- (void)dealloc {
[xmlParseData release];
[xmlValue release];
[currectItem release];
[super dealloc];
}
//???: 뷰 생성시, XML 연결, 파싱변수들 초기화
- (void)awakeFromNib {
xmlConnection = [[NSURLConnection alloc]
initWithRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://openapi.naver.com/search?key=dff214b1ec6366c19293c8af74f27536&query=isbn&display=10&start=1&target=book_adv&d_isbn=9788949151298"]]
delegate:self];
if (xmlConnection == nil)
NSLog(@"Connect error");
else
[UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
xmlParseData = [[NSMutableArray alloc] init];
xmlValue = [[NSMutableString alloc] init];
currectItem = [[NSMutableDictionary alloc] init];
receiveData = [[NSMutableData alloc] init];
}
#pragma mark URLConnection delegate methods
//???: 접속시, 로그출력
- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {
NSLog(@"Receive: %@, %@, %lld",
[response URL],
[response MIMEType],
[response expectedContentLength]);
}
//???: 접속 실패시
- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
NSLog(@"%@", [error localizedDescription]);
[UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
}
//???: 데이타수신시, 버퍼에 추가
- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data {
[receiveData appendData:data];
}
//???: 접속로딩 완료시, 파싱시작
- (void)connectionDidFinishLoading:(NSURLConnection *)connection {
//파서 초기화
NSXMLParser *parser = [[NSXMLParser alloc] initWithData:receiveData];
[parser setDelegate:self];
[parser parse];
NSDictionary *dict = [xmlParseData objectAtIndex:0];
NSLog([dict objectForKey:@"title"]);
NSLog([dict objectForKey:@"author"]);
NSLog([dict objectForKey:@"publisher"]);
NSLog([dict objectForKey:@"pubdate"]);
NSLog([dict objectForKey:@"image"]);
[parser release];
[[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
[xmlConnection release];
[receiveData release];
UITableView *tableView = (UITableView *)[self view];
[tableView reloadData];
}
#pragma mark XMLParse delegate methods
- (void)parser:(NSXMLParser *)parser didStartElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName attributes:(NSDictionary *)attributeDict {
if ([elementName isEqualToString:@"item"])
elementType = etItem;
[xmlValue setString:@""];
}
- (void)parser:(NSXMLParser *)parser didEndElement:(NSString *)elementName namespaceURI:(NSString *)namespaceURI qualifiedName:(NSString *)qName {
if (elementType != etItem)
return;
if ([elementName isEqualToString:@"title"]) {
[currectItem setValue:[NSString stringWithString:xmlValue] forKey:elementName];
} else if ([elementName isEqualToString:@"author"]) {
[currectItem setValue:[NSString stringWithString:xmlValue] forKey:elementName];
} else if ([elementName isEqualToString:@"publisher"]) {
[currectItem setValue:[NSString stringWithString:xmlValue] forKey:elementName];
} else if ([elementName isEqualToString:@"pubdate"]) {
[currectItem setValue:[NSString stringWithString:xmlValue] forKey:elementName];
} else if ([elementName isEqualToString:@"price"]) {
[currectItem setValue:[NSString stringWithString:xmlValue] forKey:elementName];
} else if ([elementName isEqualToString:@"image"]) {
[currectItem setValue:[NSString stringWithString:xmlValue] forKey:elementName];
} else if ([elementName isEqualToString:@"item"]) {
[xmlParseData addObject:[NSDictionary dictionaryWithDictionary:currectItem]];
}
}
- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string {
if (elementType == etItem) {
[xmlValue appendString:string];
}
}
#pragma mark Table view methods
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return [xmlParseData count];
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *CellIdentifier = @"Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
if (cell == nil) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
}
NSDictionary *dict = [xmlParseData objectAtIndex:indexPath.row];
[[cell textLabel] setText:[dict objectForKey:@"title"]];
return cell;
}
@end
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