ZDSStreamJSONParser and start of sample project

FJImporter/Classes/CGFAppDelegate.h

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+//
+//  CGFAppDelegate.h
+//  FJImporter
+//
+//  Created by Marcus Zarra on 10/28/11.
+//  Copyright (c) 2011 Cocoa Is My Girlfriend. All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person
+//  obtaining a copy of this software and associated documentation
+//  files (the "Software"), to deal in the Software without
+//  restriction, including without limitation the rights to use,
+//  copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the
+//  Software is furnished to do so, subject to the following
+//  conditions:
+//
+//  The above copyright notice and this permission notice shall be
+//  included in all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+//  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+//  OTHER DEALINGS IN THE SOFTWARE.
+
+@interface CGFAppDelegate : UIResponder <UIApplicationDelegate>
+
+@property (nonatomic, retain) UIWindow *window;
+@property (nonatomic, retain) UINavigationController *navController;
+
+@property (readonly, strong, nonatomic) NSManagedObjectContext *managedObjectContext;
+
+- (void)saveContext;
+
+@end

FJImporter/Classes/CGFAppDelegate.m

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+
+//
+//  CGFAppDelegate.m
+//  FJImporter
+//
+//  Created by Marcus Zarra on 10/28/11.
+//  Copyright (c) 2011 Cocoa Is My Girlfriend. All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person
+//  obtaining a copy of this software and associated documentation
+//  files (the "Software"), to deal in the Software without
+//  restriction, including without limitation the rights to use,
+//  copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the
+//  Software is furnished to do so, subject to the following
+//  conditions:
+//
+//  The above copyright notice and this permission notice shall be
+//  included in all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+//  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+//  OTHER DEALINGS IN THE SOFTWARE.
+
+#import "CGFAppDelegate.h"
+
+#import "CGFUsernameViewController.h"
+
+@implementation CGFAppDelegate
+
+@synthesize window;
+@synthesize managedObjectContext;
+@synthesize navController;
+
+- (void)dealloc
+{
+  [window release];
+  [managedObjectContext release];
+
+  [super dealloc];
+}
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
+{
+  [self setWindow:[[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease]];
+
+  CGFUsernameViewController *controller = [[CGFUsernameViewController alloc] initWithNibName:@"CGFUsernameView" bundle:nil];
+  [controller setManagedObjectContext:[self managedObjectContext]];
+
+  UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:controller];
+  [self setNavController:nav];
+  MCRelease(controller);
+  MCRelease(nav);
+
+  [[self window] addSubview:[[self navController] view]];
+
+  [[self window] makeKeyAndVisible];
+
+  return YES;
+}
+
+- (void)applicationWillResignActive:(UIApplication *)application
+{
+  [self saveContext];
+}
+
+- (void)applicationDidEnterBackground:(UIApplication *)application
+{
+  [self saveContext];
+}
+
+- (void)applicationWillTerminate:(UIApplication *)application
+{
+  [self saveContext];
+}
+
+- (void)saveContext
+{
+  NSError *error = nil;
+
+  if (![self managedObjectContext]) return;
+  if (![[self managedObjectContext] hasChanges]) return;
+
+  ZAssert([[self managedObjectContext] save:&error], @"Unresolved error %@, %@", error, [error userInfo]);
+}
+
+#pragma mark - Core Data stack
+
+- (NSManagedObjectContext *)managedObjectContext
+{
+  if (managedObjectContext) return managedObjectContext;
+
+  NSURL *modelURL = [[NSBundle mainBundle] URLForResource:@"FJImporter" withExtension:@"momd"];
+  NSManagedObjectModel *mom = [[NSManagedObjectModel alloc] initWithContentsOfURL:modelURL];
+
+  NSURL *storeURL = [[[[NSFileManager defaultManager] URLsForDirectory:NSDocumentDirectory inDomains:NSUserDomainMask] lastObject] URLByAppendingPathComponent:@"FJImporter.sqlite"];
+
+  NSError *error = nil;
+  NSPersistentStoreCoordinator *psc = [[NSPersistentStoreCoordinator alloc] initWithManagedObjectModel:mom];
+  MCRelease(mom);
+
+  ZAssert([psc addPersistentStoreWithType:NSSQLiteStoreType configuration:nil URL:storeURL options:nil error:&error], @"Unresolved error %@, %@", error, [error userInfo]);
+
+  managedObjectContext = [[NSManagedObjectContext alloc] initWithConcurrencyType:NSMainQueueConcurrencyType];
+  [managedObjectContext setPersistentStoreCoordinator:psc];
+  MCRelease(psc);
+
+  return managedObjectContext;
+}
+
+@end

FJImporter/Classes/CGFTimelineViewController.h

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+//
+//  CGFTimelineViewController.h
+//  FJImporter
+//
+//  Created by Marcus Zarra on 11/3/11.
+//  Copyright (c) 2011 Cocoa Is My Girlfriend. All rights reserved.
+//
+
+@interface CGFTimelineViewController : UITableViewController
+
+@property (nonatomic, retain) NSManagedObject *user;
+@property (nonatomic, assign) NSManagedObjectContext *managedObjectContext;
+
+@end

FJImporter/Classes/CGFTimelineViewController.m

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+//
+//  CGFTimelineViewController.m
+//  FJImporter
+//
+//  Created by Marcus Zarra on 11/3/11.
+//  Copyright (c) 2011 Cocoa Is My Girlfriend. All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person
+//  obtaining a copy of this software and associated documentation
+//  files (the "Software"), to deal in the Software without
+//  restriction, including without limitation the rights to use,
+//  copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the
+//  Software is furnished to do so, subject to the following
+//  conditions:
+//
+//  The above copyright notice and this permission notice shall be
+//  included in all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+//  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+//  OTHER DEALINGS IN THE SOFTWARE.
+
+#import "CGFTimelineViewController.h"
+
+@interface CGFTimelineViewController() <NSFetchedResultsControllerDelegate>
+
+@property (nonatomic, retain) NSFetchedResultsController *fetchController;
+
+@end
+
+@implementation CGFTimelineViewController
+
+- (void)viewDidLoad
+{
+  [super viewDidLoad];
+
+  [self setTitle:[[self user] valueForKey:@"name"]];
+
+  if ([self fetchController]) return;
+
+  NSFetchRequest *request = [NSFetchRequest fetchRequestWithEntityName:@"Tweet"];
+  [request setPredicate:[NSPredicate predicateWithFormat:@"ANY timeline == %@", [self user]]];
+
+  NSSortDescriptor *sort = [[[NSSortDescriptor alloc] initWithKey:@"createdAt" ascending:NO] autorelease];
+  [request setSortDescriptors:[NSArray arrayWithObject:sort]];
+
+  NSFetchedResultsController *controller = [[NSFetchedResultsController alloc] initWithFetchRequest:request managedObjectContext:[self managedObjectContext] sectionNameKeyPath:nil cacheName:[[self user] valueForKey:@"name"]];
+  [controller setDelegate:self];
+
+  NSError *error = nil;
+  ZAssert([controller performFetch:&error], @"Error fetching tweets: %@", error);
+
+  [self setFetchController:controller];
+  MCRelease(controller);
+}
+
+#pragma mark - Table view data source
+
+- (void)configureCell:(id)cell atIndexPath:(NSIndexPath*)indexPath
+{
+  NSManagedObject *tweet = [[self fetchController] objectAtIndexPath:indexPath];
+
+  [[cell textLabel] setText:[tweet valueForKey:@"text"]];
+  [[cell detailTextLabel] setText:[tweet valueForKeyPath:@"author.name"]];
+}
+
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
+{
+  return [[[[self fetchController] sections] objectAtIndex:section] numberOfObjects];
+}
+
+- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
+{
+  id cell = [tableView dequeueReusableCellWithIdentifier:kCellIdentifier];
+
+  if (!cell) {
+    cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:kCellIdentifier] autorelease];
+    [cell setSelectionStyle:UITableViewCellSelectionStyleNone];
+  }
+
+  [self configureCell:cell atIndexPath:indexPath];
+
+  return cell;
+}
+
+- (void)controllerWillChangeContent:(NSFetchedResultsController *)controller 
+{
+  [[self tableView] beginUpdates];
+}
+
+- (void)controller:(NSFetchedResultsController *)controller didChangeObject:(id)anObject atIndexPath:(NSIndexPath *)indexPath forChangeType:(NSFetchedResultsChangeType)type newIndexPath:(NSIndexPath *)newIndexPath 
+{
+  switch(type) {
+    case NSFetchedResultsChangeInsert:
+      [[self tableView] insertRowsAtIndexPaths:[NSArray arrayWithObject:newIndexPath] withRowAnimation:UITableViewRowAnimationFade];
+      break;
+    case NSFetchedResultsChangeDelete:
+      [[self tableView] deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];
+      break;
+    case NSFetchedResultsChangeUpdate:
+      [self configureCell:[[self tableView] cellForRowAtIndexPath:indexPath] atIndexPath:indexPath];
+      break;
+    case NSFetchedResultsChangeMove:
+      [[self tableView] deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade];
+      [[self tableView] insertRowsAtIndexPaths:[NSArray arrayWithObject:newIndexPath] withRowAnimation:UITableViewRowAnimationFade];
+      break;
+  }
+}
+
+- (void)controllerDidChangeContent:(NSFetchedResultsController *)controller 
+{
+  [[self tableView] endUpdates];
+}
+
+@synthesize user;
+@synthesize managedObjectContext;
+@synthesize fetchController;
+
+@end

FJImporter/Classes/CGFURLDelegateOperation.h

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+//
+//  CGFURLDelegateOperation.h
+//
+//  Created by Marcus Zarra on 10/28/11.
+//  Copyright (c) 2011 Cocoa Is My Girlfriend. All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person
+//  obtaining a copy of this software and associated documentation
+//  files (the "Software"), to deal in the Software without
+//  restriction, including without limitation the rights to use,
+//  copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the
+//  Software is furnished to do so, subject to the following
+//  conditions:
+//
+//  The above copyright notice and this permission notice shall be
+//  included in all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+//  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+//  OTHER DEALINGS IN THE SOFTWARE.
+
+@class YAJLParser;
+
+@interface CGFURLDelegateOperation : NSOperation
+
+@property (nonatomic, retain) NSURL *requestURL;
+@property (nonatomic, retain) YAJLParser *parser;
+@property (nonatomic, retain) NSHTTPURLResponse *response;
+
+@property (nonatomic, retain) NSManagedObject *user;
+@property (nonatomic, assign) NSManagedObjectContext *managedObjectContext;
+
+- (id)initWithRequestURL:(NSURL*)aURL andContext:(NSManagedObjectContext*)aContext;
+
+@end