iboss-mini-ios/IBOSSmini/ShareClass/ASIDownManager.m

//
//  ASIDownManager.m
//  ManziDigest
//
//  Created by Hepburn Alex on 12-9-19.
//  Copyright (c) 2012年 Hepburn Alex. All rights reserved.
//

#import "ASIDownManager.h"
#import "ASIFormDataRequest.h"
#import "LeslieImageCache.h"

@interface ASIDownManager()
{
    
}
@end
@implementation ASIDownManager
// NSOperationQueue
static NSOperationQueue *queue;
// 属性
@synthesize delegate, OnImageDown, OnImageFail, tag, mWebStr;

/**
 初始化矩阵
 
 @return <#return value description#>
 */
- (id)init {
    self = [super init];
    if (self) {
        if(queue){
            queue=[[NSOperationQueue alloc]init];
        }
    }
    return self;
}

/**
 请求取消
 */
- (void)Cancel {
    if (mRequest) {
        mRequest.delegate = nil;
        [mRequest clearDelegatesAndCancel];
        [mRequest release];
        mRequest = nil;
    }
}

/**
 dealloc
 */
- (void)dealloc {
    [self Cancel];
    self.delegate = nil;
    self.mWebStr = nil;
    [super dealloc];
}

/**
 下载图片
 
 @param imageUrl <#imageUrl description#>
 @return <#return value description#>
 */
- (NSString *)downloadImageWithURL:(NSString *)imageUrl {
    LeslieImageCache *imageCache = [LeslieImageCache sharedCache];
    NSString * filePath;
    UIImage *image ;
    //    image = [imageCache getImageFromMemoryForkey:imageUrl];
    //    // 先从内存中取
    //    if (image) {
    //        return image;
    //    }
    
    // 再从文件中取
    filePath = [imageCache getImagePathFromFileForKey:imageUrl];
    if (filePath) {
        return filePath;
    }
    
    image=[self SynchronousDownloadFromURL:imageUrl];
    if (image) {
        //        // 先缓存图片到内存
        //        [imageCache cacheImageToMemory:image forKey:imageUrl];
        
        // 再缓存图片到文件系统
        NSString *extension = [[imageUrl substringFromIndex:imageUrl.length-3] lowercaseString];
        NSString *imageType = nil;
        
        if ([extension isEqualToString:@"jpg"]) {
            imageType =[@"jpg" stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]] ;
        }else{
            imageType =[@"png" stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]] ;
        }
        
        filePath= [imageCache writeImageToFile:image forKey:imageUrl ofType:imageType];
        return filePath;
    }
    return nil;
}

/**
 开启同步请求
 
 @param url <#url description#>
 @return <#return value description#>
 */
-(UIImage *)SynchronousDownloadFromURL:(NSString *)url
{
    url = [url stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
    NSURLRequest * urlReq = [NSURLRequest requestWithURL: [NSURL URLWithString: url]];
    NSError* error=nil;
    //开启同步请求
    NSData* data=[NSURLConnection sendSynchronousRequest:urlReq returningResponse:nil error:&error];
    //[mRequest startSynchronous];
    if(error || !data){
        return nil;
    }
    
    return [[UIImage alloc] initWithData:data];
}

/**
 开启异步请求
 
 @param urlString <#urlString description#>
 @param dict <#dict description#>
 @param filePath <#filePath description#>
 @param filename <#filename description#>
 @param fileType <#fileType description#>
 @return <#return value description#>
 */
- (NSString *)syncPostHttpRequestUrl:(NSString *)urlString
                                 dic:(NSDictionary *)dict
                                path:(NSString *)filePath
                            filename:(NSString *)filename
                            fileType:(NSString *)fileType
{
    NSURL *url = [NSURL URLWithString:urlString];
    NSString *responseString=nil;
    mRequest = [[ASIFormDataRequest alloc] initWithURL:url];
    // 参数
    [mRequest setTimeOutSeconds:120];
    mRequest.useCookiePersistence=YES;
    for (NSString *key in dict.allKeys) {
        NSString *value = [dict objectForKey:key];
        [mRequest addPostValue:value forKey:key];
    }
    //文件存在
    if(filePath){
        if(filename){
            [mRequest setFile:filePath withFileName:filename andContentType:fileType forKey:filename];
        }else{
            [mRequest setFile:filePath withFileName:filename andContentType:fileType forKey:@"files"];
        }
        
        
    }
    [mRequest startSynchronous];
    
    NSError* error=[mRequest error];
    if(error || [mRequest responseStatusCode] != 200){
        responseString=@"";
        NSLog(@"requestFailed %@",responseString);
        return responseString;
        
    }
    NSData *data = [mRequest responseData];
    responseString= [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
    
    return responseString;
    
}

/**
 开启异步请求
 
 @param urlString <#urlString description#>
 @param dict <#dict description#>
 @param filepath filepath description
 @param filename filename description
 */
- (void)    postHttpRequest:(NSString *)urlString
                    dic:(NSDictionary *)dict
                   path:(NSString *)filepath
               fileName:(NSString *)filename
{
    NSURL *url = [NSURL URLWithString:urlString];
    mRequest = [[ASIFormDataRequest alloc] initWithURL:url];
    [mRequest setTimeOutSeconds:120];
    for (NSString *key in dict.allKeys) {
        NSString *value = [dict objectForKey:key];
        [mRequest addPostValue:value forKey:key];
    }
    if (filepath) {
        [mRequest addFile:filepath forKey:filename];
    }
    /* if(kkSessionID!=nil&&![kkSessionID isEqualToString:@""])
     {
     
     [mRequest addRequestHeader:@"Cookie" value:kkSessionID];
     }*/
    mRequest.useCookiePersistence=YES;
    [mRequest setDelegate:self];
    [queue addOperation:mRequest];
    [mRequest startAsynchronous];
    //    [mRequest release];
}

/**
 post异步请求
 
 @param urlString <#urlString description#>
 @param dict <#dict description#>
 @param files <#files description#>
 */
- (void)postHttpRequest:(NSString *)urlString
                    dic:(NSDictionary *)dict
                  files:(NSDictionary *)files
{
    NSLog(@"PostHttpRequest:%@, %@, %@", urlString, dict, files);
    NSURL *url = [NSURL URLWithString:urlString];
    mRequest = [[ASIFormDataRequest alloc] initWithURL:url];
    [mRequest setTimeOutSeconds:120];
    /*
     如果设置useCookiePersistence为YES（默认值），cookie会被存储在共享的 NSHTTPCookieStorage 容器中，并且会自动被其他request重用。值得一提的是，ASIHTTPRequest会向服务器发送其他程序创建的cookie（如果这些cookie对特定request有效的话）。
     */
    //记住用户状态的sessionid
    mRequest.useCookiePersistence=YES;
    
    for (NSString *key in dict.allKeys) {
        NSString *value = [dict objectForKey:key];
        [mRequest addPostValue:value forKey:key];
    }
    for (NSString *key in files.allKeys) {
        NSString *value = [files objectForKey:key];
        [mRequest addFile:value forKey:key];
    }
    // if(kkSessionID!=nil&&![kkSessionID isEqualToString:@""])
    // {
    //[mRequest addPostValue:SessionId forKey:@"cookie"];
    // [mRequest addRequestHeader:@"Cookie" value:kkSessionID];
    /* NSDictionary *properties = [[[NSMutableDictionary alloc] init] autorelease];
     
     [properties setValue:@"/asi-http-request/tests" forKey:NSHTTPCookiePath];
     NSHTTPCookie *cookie = [[[NSHTTPCookie alloc] initWithProperties:properties] autorelease];
     
     url = [NSURL URLWithString:@"http://allseeing-i.com/ASIHTTPRequest/tests/read_cookie"];
     request = [ASIHTTPRequest requestWithURL:url];
     [request setUseCookiePersistence:NO];
     [request setRequestCookies:[NSMutableArray arrayWithObject:cookie]];
     [request startSynchronous];*/
    // }
    [mRequest setDelegate:self];
    [queue addOperation:mRequest];
    [mRequest startAsynchronous];
}

/**
 请求完成函数
 
 @param _request <#_request description#>
 */
- (void)requestFinished:(ASIHTTPRequest *)_request {
    // NSArray *arr=[_request responseCookies];
    // NSDictionary *header=[_request responseHeaders];
    
    
    // NSDictionary *dicheader=[NSDictionary dictionaryWithContentsOfData:header];
    //  ASP.NET_SessionId=31w2gp2by5lxhg2g1pzdmx45; path=/; HttpOnly
    
    /*  if(kkSessionID==nil||[kkSessionID isEqualToString:@""]){
     kkSessionID=[header objectForKey: @"Set-Cookie"];
     }
     NSArray  * array= [kkSessionID componentsSeparatedByString:@";"];
     kkSessionID=array[0];*/
    NSData *data = [_request responseData];
    NSString *responseStr = [[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding] autorelease];
    
    [self Cancel];
    if ([_request responseStatusCode] != 200) {
        NSLog(@"requestFinished Invalid:%d,%@", [_request responseStatusCode], _request.responseStatusMessage);
        if (delegate && OnImageFail) {
            [delegate performSelector:OnImageFail withObject:self];
        }
        return;
    }
    
    responseStr = [responseStr stringByReplacingOccurrencesOfString:@"\r" withString:@""];
    responseStr = [responseStr stringByReplacingOccurrencesOfString:@"\n" withString:@""];
    self.mWebStr = responseStr;
    
    if (delegate && OnImageDown) {
        [delegate performSelector:OnImageDown withObject:self];
    }
}

/**
 请求失败函数
 
 @param _request <#_request description#>
 */
- (void)requestFailed:(ASIHTTPRequest *)_request {
    NSData *data = [_request responseData];
    NSString *responseStr = [[[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding] autorelease];
    NSLog(@"requestFailed %@", responseStr);
    
    [self Cancel];
    if (delegate && OnImageFail) {
        [delegate performSelector:OnImageFail withObject:self];
    }
}

/**
 动画开始
 */
+ (void)ShowNetworkAnimate
{
#if TARGET_OS_IPHONE
    [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:YES];
#endif
}

/**
 动画结束
 */
+ (void)HideNetworkAnimate
{
#if TARGET_OS_IPHONE
    [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
#endif
}


@end