// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
//
// You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
// copy, modify, and distribute this software in source code or binary form for use
// in connection with the web services and APIs provided by Facebook.
//
// As with any software that integrates with the Facebook platform, your use of
// this software is subject to the Facebook Developer Principles and Policies
// [http://developers.facebook.com/policy/]. This copyright 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 <Foundation/Foundation.h>

/**
  A container class for data attachments so that additional metadata can be provided about the attachment.
 */
@interface FBSDKGraphRequestDataAttachment : NSObject

- (instancetype)init NS_UNAVAILABLE;
+ (instancetype)new NS_UNAVAILABLE;

/**
  Initializes the receiver with the attachment data and metadata.
 @param data The attachment data (retained, not copied)
 @param filename The filename for the attachment
 @param contentType The content type for the attachment
 */
- (instancetype)initWithData:(NSData *)data
                    filename:(NSString *)filename
                 contentType:(NSString *)contentType
NS_DESIGNATED_INITIALIZER;

/**
  The content type for the attachment.
 */
@property (nonatomic, copy, readonly) NSString *contentType;

/**
  The attachment data.
 */
@property (nonatomic, strong, readonly) NSData *data;

/**
  The filename for the attachment.
 */
@property (nonatomic, copy, readonly) NSString *filename;

@end