Merge pull request jsonmodel#203 from jonathanng/patch-1

icanzilb · icanzilb · commit 12a67c4e972b · 2014-04-18T21:11:18.000+02:00
Update README.md
diff --git a/README.md b/README.md
@@ -453,7 +453,7 @@ Examples
 
 #### Using the built-in thin HTTP client
 
-```ruby
+```objective-c
 
 //add extra headers
 [[JSONHTTPClient requestHeaders] setValue:@"MySecret" forKey:@"AuthorizationToken"];
@@ -470,7 +470,7 @@ Examples
 
 #### Export model to NSDictionary or to JSON text
 
-```ruby
+```objective-c
 
 ProductModel* pm = [[ProductModel alloc] initWithString:jsonString error:nil];
 pm.name = @"Changed Name";
@@ -483,8 +483,29 @@ NSString* string = [pm toJSONString];
 
 ```
 
+#### Custom data transformers
+
+```objective-c
+
+@implementation JSONValueTransformer (CustomTransformer)
+
+- (NSDate *)NSDateFromNSString:(NSString*)string {
+    NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
+    [formatter setDateFormat:APIDateFormat];
+    return [formatter dateFromString:string];
+}
+
+- (NSString *)JSONObjectFromNSDate:(NSDate *)date {
+    NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
+    [formatter setDateFormat:APIDateFormat];
+    return [formatter stringFromDate:date];
+}
+
+@end
+
+```
+
 * json validation
-* data transformations
 * error handling
 * custom data validation
 * automatic compare and equality features
