//
//  UMCache.h
//  UMCache
//
//  Created by Shaun Harrison on 7/4/09.
//  Copyright (c) 2009-2010 enormego
//  Modifyed by Umeng on 6/6/12
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission 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>
#import <UIKit/UIKit.h>


//注意，该类只做cache使用，并防止在Cache目录，只用于短暂缓存的数据，可以重新构建的数据
@interface UMCache : NSObject {
@private
	NSMutableDictionary* cacheDictionary;
	NSOperationQueue* diskOperationQueue;
	NSTimeInterval defaultTimeoutInterval;
}

+ (UMCache*)currentCache;

//clearCache方法禁用，会影响其他用户的使用
- (void)clearCache;
- (void)removeCacheForKey:(NSString*)key;

- (BOOL)hasCacheForKey:(NSString*)key;

- (NSData*)dataForKey:(NSString*)key;
- (void)setData:(NSData*)data forKey:(NSString*)key;
- (void)setData:(NSData*)data forKey:(NSString*)key withTimeoutInterval:(NSTimeInterval)timeoutInterval;

- (NSString*)stringForKey:(NSString*)key;
- (void)setString:(NSString*)aString forKey:(NSString*)key;
- (void)setString:(NSString*)aString forKey:(NSString*)key withTimeoutInterval:(NSTimeInterval)timeoutInterval;

#if TARGET_OS_IPHONE
- (UIImage*)imageForKey:(NSString*)key;
- (void)setImage:(UIImage*)anImage forKey:(NSString*)key;
- (void)setImage:(UIImage*)anImage forKey:(NSString*)key withTimeoutInterval:(NSTimeInterval)timeoutInterval;
#else
- (NSImage*)imageForKey:(NSString*)key;
- (void)setImage:(NSImage*)anImage forKey:(NSString*)key;
- (void)setImage:(NSImage*)anImage forKey:(NSString*)key withTimeoutInterval:(NSTimeInterval)timeoutInterval;
#endif

- (NSData*)plistForKey:(NSString*)key;
- (void)setPlist:(id)plistObject forKey:(NSString*)key;
- (void)setPlist:(id)plistObject forKey:(NSString*)key withTimeoutInterval:(NSTimeInterval)timeoutInterval;

- (void)copyFilePath:(NSString*)filePath asKey:(NSString*)key;
- (void)copyFilePath:(NSString*)filePath asKey:(NSString*)key withTimeoutInterval:(NSTimeInterval)timeoutInterval;	

@property(nonatomic,assign) NSTimeInterval defaultTimeoutInterval; // Default is 1 day
@end