#import "TwTurtleAppDelegate.h"
#import <OAuthConsumer/OAuthConsumer.h>
#import "FourStore.h"
@implementation TwTurtleAppDelegate
@synthesize window;
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification
{
OAConsumer *consumer = [[OAConsumer alloc] initWithKey:@"XXXXXXXXXXXXXXXXXXXXXX"
secret:@"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"];
OAToken *accessToken= [[OAToken alloc] initWithKey:@"XXXXXXX-XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
secret:@"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"];
NSURL *url= [NSURL URLWithString:@"http://api.twitter.com/1/statuses/home_timeline.xml"];
OAMutableURLRequest *requestWithBodyParams = [[[OAMutableURLRequest alloc] initWithURL:url
consumer:consumer
token:accessToken
realm:nil
signatureProvider:nil] autorelease];
OADataFetcher *fetcher = [[[OADataFetcher alloc] init] autorelease];
[fetcher fetchDataWithRequest:requestWithBodyParams
delegate:self
didFinishSelector:@selector(apiTicket:didFinishWithData:)
didFailSelector:@selector(apiTicket:didFailWithError:)];
}
- (void)fourstoreWithTurtle:(NSString *)turtle
{
FourStore *store= [[FourStore alloc] initWithEndpoint:@"http://localhost:8000/sparql/"];
[store addPrefix:@"tsp" uri:@"http://example.org/twitter/status/predicate/"];
[store addPrefix:@"tu" uri:@"http://example.org/twitter/users/"];
NSString *message0= [store deleteWithGraph:@"http://example.org/twitter/status/"];
NSLog(@"message0 %@", message0);
NSString *message1= [store addTurtle:turtle graph:@"http://example.org/twitter/status/"];
NSLog(@"message1 %@", message1);
NSString *message2= [store queryWithString:
@"SELECT ?s ?p ?o \nWHERE {\nGRAPH <http://example.org/twitter/status/> {\n?s ?p ?o .\n}\n}\n"];
NSLog(@"message2 \n%@", message2);
}
- (NSString *)createTurtleWithXMLData:(NSData *)data
{
NSMutableString *turtle= [NSMutableString string];
NSXMLDocument *document = [[[NSXMLDocument alloc] initWithData:data
options:NSXMLDocumentTidyHTML
error:NULL] autorelease];
NSError *error= nil;
NSArray *nodes = [document nodesForXPath:@"//status" error:&error];
NSEnumerator *nodesEnum= [nodes objectEnumerator];
NSXMLNode *node= nil;
while(node= [nodesEnum nextObject]) {
NSArray *idnodes= [node nodesForXPath:@"id" error:&error];
if ([idnodes count]==0) continue;
NSString *idString= [[idnodes objectAtIndex:0] stringValue];
NSEnumerator *childrenEnum= [[node children] objectEnumerator];
NSXMLNode *child=nil;
while(child= [childrenEnum nextObject]) {
NSString *name= [child name];
if ([name isEqualToString:@"id"])
continue;
NSString *value= nil;
if ([name isEqualToString:@"retweeted_status"]){
NSArray *cidnodes= [child nodesForXPath:@"id" error:&error];
if ([cidnodes count]==0) continue;
NSString *cidString= [[cidnodes objectAtIndex:0] stringValue];
value= [NSString stringWithFormat:@"<%@>", cidString];
} else if ([name isEqualToString:@"user"]){
NSArray *cidnodes= [child nodesForXPath:@"id" error:&error];
if ([cidnodes count]==0) continue;
NSString *cidString= [[cidnodes objectAtIndex:0] stringValue];
value= [NSString stringWithFormat:@"<tu:%@>", cidString];
} else {
if ([[child stringValue] length]==0) continue;
value= [child stringValue];
value= [value stringByReplacingOccurrencesOfString:@"\"" withString:@"\\\""];
value= [value stringByReplacingOccurrencesOfString:@"\n" withString:@"\\n"];
value= [NSString stringWithFormat:@"\"%@\"", value];
}
[turtle appendFormat:@"<%@> tsp:%@ %@ .\n", idString, name, value];
}
}
return turtle;
}
- (void)apiTicket:(OAServiceTicket *)ticket
didFinishWithData:(NSData *)data
{
if (0)
NSLog(@"didFinish %@", [[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding] autorelease]);
NSString *turtle= [self createTurtleWithXMLData:data];
if (0)
NSLog(@"\n%@", turtle);
[self fourstoreWithTurtle:turtle];
}
- (void)apiTicket:(OAServiceTicket *)ticket
didFailWithError:(NSError *)error
{
NSLog(@"%@", error);
}
@end
やってみてアレコレ悩んだ足跡．
