Added JSON serialization class for easily coercing any NSObject into a JSON serialization for communication with servers expecting JSON input

Code/RKJSONSerialization.m

@@ -0,0 +1,40 @@
+//
+//  RKJSONSerialization.m
+//  RestKit
+//
+//  Created by Blake Watters on 7/8/10.
+//  Copyright 2010 Two Toasters. All rights reserved.
+//
+
+#import "RKJSONSerialization.h"
+#import "NSObject+SBJSON.h"
+
+@implementation RKJSONSerialization
+
++ (id)JSONSerializationWithObject:(NSObject*)object {
+	return [[[self alloc] initWithObject:object] autorelease];
+}
+
+- (id)initWithObject:(NSObject*)object {
+	if (self = [self init]) {
+		_object = [object retain];
+	}
+	
+	return self;
+}
+
+- (void)dealloc {	
+	[_object release];
+	[super dealloc];
+}
+
+- (NSString*)ContentTypeHTTPHeader {
+	return @"application/json";
+}
+
+
+- (NSData*)HTTPBody {	
+	return [[_object JSONRepresentation] dataUsingEncoding:NSUTF8StringEncoding];
+}
+
+@end