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+//
+// $Id$
+//
+// SPFavoritesExporter.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 "SPFavoritesExporter.h"
+#import "SPTreeNode.h"
+
+@interface SPFavoritesExporter ()
+
+- (void)_writeFavoritesInBackground;
+
+@end
+
+@implementation SPFavoritesExporter
+
+@synthesize delegate;
+@synthesize exportPath;
+@synthesize exportFavorites;
+
+/***
+ * Write the supplied array of favorites to the file at the supplied path.
+ *
+ * @param favorites The array of favorites to be written
+ * @param path The file system path that the file is to be written to
+ * @param filename The filename of the file to be written
+ * @param error Upon return if an error occurred contains the NSError instance
+ *
+ * @return A BOOL indicating the success of the operation
+ */
+- (void)writeFavorites:(NSArray *)favorites toFile:(NSString *)path error:(NSError **)error
+{
+ [self setExportFavorites:favorites];
+ [self setExportPath:path];
+
+ [NSThread detachNewThreadSelector:@selector(_writeFavoritesInBackground) toTarget:self withObject:nil];
+}
+
+/**
+ * Writes the favorites array to disk in plist format on separate thread.
+ */
+- (void)_writeFavoritesInBackground
+{
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+
+ NSError *error = nil;
+ NSString *errorString = nil;
+
+ NSMutableArray *favorites = [[NSMutableArray alloc] init];
+
+ // Get a dictionary representation of all favorites
+ for (SPTreeNode *node in [self exportFavorites])
+ {
+ [favorites addObject:[node dictionaryRepresentation]];
+ }
+
+ NSDictionary *dictionary = [NSDictionary dictionaryWithObject:favorites forKey:SPFavoritesDataRootKey];
+
+ [favorites release];
+
+ // Convert the current favorites tree to a dictionary representation to create the plist data
+ NSData *plistData = [NSPropertyListSerialization dataFromPropertyList:dictionary
+ format:NSPropertyListXMLFormat_v1_0
+ errorDescription:&errorString];
+
+ if (plistData) {
+ [plistData writeToFile:[self exportPath] options:NSAtomicWrite error:&error];
+
+ if (error) {
+ NSLog(@"Error writing favorites data: %@", [error localizedDescription]);
+ }
+ }
+ else if (errorString) {
+ NSLog(@"Error converting favorites data to plist format: %@", errorString);
+
+ [errorString release];
+ }
+
+ // Inform the delegate that the export has completed and pass the error instance
+ if ([self delegate] && [[self delegate] respondsToSelector:@selector(favoritesExportCompletedWithError:)]) {
+ [[self delegate] performSelectorOnMainThread:@selector(favoritesExportCompletedWithError:) withObject:error waitUntilDone:NO];
+ }
+
+ [pool release];
+}
+
+@end