1 files changed, 123 insertions, 0 deletions
diff --git a/Source/SPFavoritesImporter.m b/Source/SPFavoritesImporter.m
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+//
+//  $Id$
+//
+//  SPFavoritesImporter.m
+//  sequel-pro
+//
+//  Created by Stuart Connolly (stuconnolly.com) on May 14, 2011
+//  Copyright (c) 2011 Stuart Connolly. All rights reserved.
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 2 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+//  More info at <http://code.google.com/p/sequel-pro/>
+
+#import "SPFavoritesImporter.h"
+
+@interface SPFavoritesImporter ()
+
+- (void)_importFavoritesInBackground;
+- (void)_informDelegateOfImportCompletion:(NSError *)error;
+- (void)_informDelegateOfImportDataAvailable:(NSArray *)data;
+- (void)_informDelegateOfErrorCode:(NSUInteger)code description:(NSString *)description;
+
+@end
+
+@implementation SPFavoritesImporter
+
+@synthesize delegate;
+@synthesize importPath;
+
+/**
+ * Imports the favorites from the file at the supplied path.
+ *
+ * @param path The path of the file to import
+ */
+- (void)importFavoritesFromFileAtPath:(NSString *)path
+{
+	[self setImportPath:path];
+	
+	[NSThread detachNewThreadSelector:@selector(_importFavoritesInBackground) toTarget:self withObject:nil];
+}
+
+#pragma mark -
+#pragma mark Private API
+
+/**
+ * Starts the import process on a separate thread.
+ */
+- (void)_importFavoritesInBackground
+{
+	NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+	
+	NSDictionary *importData;
+	NSFileManager *fileManager = [NSFileManager defaultManager];
+	
+	if ([fileManager fileExistsAtPath:[self importPath]]) {
+		importData = [[NSDictionary alloc] initWithContentsOfFile:[self importPath]];
+		
+		NSArray *favorites = [importData valueForKey:SPFavoritesDataRootKey];
+		
+		if (favorites) {
+			[self _informDelegateOfImportDataAvailable:favorites];
+		}
+		else {
+			[self _informDelegateOfErrorCode:NSFileReadUnknownError 
+								 description:NSLocalizedString(@"Error reading import file.", @"error reading import file")];
+		}
+	}
+	else {
+		[self _informDelegateOfErrorCode:NSFileReadNoSuchFileError 
+							 description:NSLocalizedString(@"Import file does not exist.", @"import file does not exist message")];
+	}
+		
+	[pool release];
+}
+
+/**
+ * Informs the delegate that the import process has completed.
+ */
+- (void)_informDelegateOfImportCompletion:(NSError *)error
+{
+	if ([self delegate] && [[self delegate] respondsToSelector:@selector(favoritesExportCompletedWithError:)]) {
+		[[self delegate] performSelectorOnMainThread:@selector(favoritesExportCompletedWithError:) withObject:error waitUntilDone:NO];
+	}
+}
+
+/**
+ * Informs the delegate that the imported data is available.
+ */
+- (void)_informDelegateOfImportDataAvailable:(NSArray *)data
+{
+	if ([self delegate] && [[self delegate] respondsToSelector:@selector(favoritesImportData:)]) {
+		[[self delegate] performSelectorOnMainThread:@selector(favoritesImportData:) withObject:data waitUntilDone:NO];
+	}
+}
+
+/**
+ * Informs the delegate that an error occurred during the import.
+ *
+ * @param code        The error code
+ * @param description A short description of the error
+ */
+- (void)_informDelegateOfErrorCode:(NSUInteger)code description:(NSString *)description
+{
+	NSError *error = [NSError errorWithDomain:NSCocoaErrorDomain 
+										 code:code 
+									 userInfo:[NSDictionary dictionaryWithObject:description forKey:NSLocalizedDescriptionKey]];
+	
+	[self _informDelegateOfImportCompletion:error];
+}
+
+@end