CNLiveNetworkManager.m
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//
// CNLiveNetworkManager.m
// CNLiveHttpRequestDemo
//
// Created by Android on 16/7/26.
// Copyright © 2016年 Android. All rights reserved.
//
#import "CNLiveNetworkManager.h"
#import "CNLiveURLRequestSerialization.h"
#define boundary @"cnlive"
/**
* 网络超时时间 默认 60
*/
static NSTimeInterval TimeoutInterval = 30.0 ;
/**
* 缓存策略
* NSURLRequestUseProtocolCachePolicy // 默认的缓存策略（取决于协议）
* NSURLRequestReloadIgnoringLocalCacheData // 忽略缓存，重新请求
* NSURLRequestReloadIgnoringLocalAndRemoteCacheData // 未实现
* NSURLRequestReloadIgnoringCacheData = NSURLRequestReloadIgnoringLocalCacheData // 忽略缓存，重新请求
* NSURLRequestReturnCacheDataElseLoad// 有缓存就用缓存，忽略过期时间！没有缓存就重新请求
* NSURLRequestReturnCacheDataDontLoad// 有缓存就用缓存，没有缓存就不发请求，当做请求出错处理（用于离线模式）
* NSURLRequestReloadRevalidatingCacheData // 未实现
*/
static NSURLRequestCachePolicy CachePolicy = NSURLRequestUseProtocolCachePolicy;
@implementation CNLiveNetworkManager
+ (CNLiveNetworkManager *)manager
{
static CNLiveNetworkManager *manager = nil;
static dispatch_once_t predicate;
dispatch_once(&predicate, ^{
manager = [[CNLiveNetworkManager alloc] init];
});
manager.cachePolicy = CachePolicy;
manager.timeoutInterval = TimeoutInterval;
return manager;
}
-(void)requestGetURL:(NSString *)URL
parameters:(NSDictionary *)parameters
success:(void (^)(NSURLResponse * _Nullable, id _Nullable))success
failure:(void (^)(NSURLResponse * _Nullable, NSError * _Nullable))failure
{
NSURLSessionDataTask *task = [self dataTaskWithRequestMethod:@"GET" URLString:URL parameters:parameters imageData:nil success:success failure:failure];
[task resume];
}
- (void)requestPostURL:(NSString *)URL
parameters:(NSDictionary *)parameters
success:(void (^)(NSURLResponse * _Nullable, id _Nullable))success
failure:(void (^)(NSURLResponse * _Nullable, NSError * _Nullable))failure
{
NSURLSessionDataTask *task = [self dataTaskWithRequestMethod:@"POST" URLString:URL parameters:parameters imageData:nil success:success failure:failure];
[task resume];
}
- (void)uploadImageWithURL:(NSString *)URL parameters:(NSDictionary *)parameters imageData:(NSData *)data success:(void (^)(NSURLResponse * _Nullable, id _Nullable))success failure:(void (^)(NSURLResponse * _Nullable, NSError * _Nullable))failure
{
NSURLSessionDataTask *task = [self dataTaskWithRequestMethod:@"POST" URLString:URL parameters:parameters imageData:data success:success failure:failure];
[task resume];
}
- (NSURLSessionDataTask *)dataTaskWithRequestMethod:(NSString *)method
URLString:(NSString *)URLString
parameters:(NSDictionary *)parameters
imageData:(NSData *)data
success:(void (^)(NSURLResponse * _Nullable, id _Nullable))success
failure:(void (^)(NSURLResponse * _Nullable, NSError * _Nullable))failure
{
if (![URLString isKindOfClass:[NSString class]]) {
NSError *error = [NSError errorWithDomain:NSURLErrorDomain code:-1 userInfo:@{NSLocalizedDescriptionKey : @"please enter a valid url"}];
failure(nil, error);
return nil;
}
NSString *newURLString;
if ([method isEqualToString:@"GET"]) {
if (parameters) {
newURLString = [[URLString stringByAppendingString:@"?"] stringByAppendingString:[CNLiveURLRequestSerialization CNQueryStringFromParameters:parameters]];
}else{
newURLString = URLString;
}
}else{
newURLString = URLString;
}
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:[NSURL URLWithString:newURLString] cachePolicy:self.cachePolicy timeoutInterval:self.timeoutInterval];
request.HTTPMethod = method;
if([method isEqual:@"POST"]){
if (!data) {
[request addValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
request.HTTPBody =[[CNLiveURLRequestSerialization CNQueryStringFromParameters:parameters] dataUsingEncoding:NSUTF8StringEncoding];
} else {
//设置HTTPHeader中Content-Type的值
NSString *content=[[NSString alloc]initWithFormat:@"multipart/form-data; boundary=%@",boundary];
//设置HTTPHeader
[request setValue:content forHTTPHeaderField:@"Content-Type"];
//设置Content-Length
NSData *requestData = [self setBodyData:data parameters:parameters];
[request setValue:[NSString stringWithFormat:@"%lu", (unsigned long)[requestData length]] forHTTPHeaderField:@"Content-Length"];
//设置http body
[request setHTTPBody:requestData];
[request setHTTPMethod:@"POST"];
}
}
NSURLSessionDataTask *task = [self dataTaskWithRequest:request success:success failure:failure];
return task;
}
- (NSURLSessionDataTask *)dataTaskWithRequest:(NSURLRequest *)request
success:(void (^)(NSURLResponse * _Nullable, id _Nullable))success
failure:(void (^)(NSURLResponse * _Nullable, NSError * _Nullable))failure
{
NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDataTask *task = [session dataTaskWithRequest:request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) {
dispatch_async(dispatch_get_main_queue(), ^{
if (error) {
failure(response,error);
}else{
if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
if (httpResponse.statusCode < 400) {
id jsonObj = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
success(httpResponse,jsonObj);
} else {
NSError *failureError = [NSError errorWithDomain:NSURLErrorDomain code:httpResponse.statusCode userInfo:httpResponse.allHeaderFields];
failure(httpResponse,failureError);
}
} else {
failure(response,error);
}
}
});
}];
return task;
}
- (NSData *)setBodyData:(NSData *)data parameters:(NSDictionary *)parameters
{
//分界线
NSString *MPBoundary = [[NSString alloc] initWithFormat:@"--%@",boundary];
//结束符
NSString *endMPBoundary = [[NSString alloc] initWithFormat:@"%@--",MPBoundary];
NSMutableString *body = [[NSMutableString alloc] init];
if (parameters) {
NSArray *keys = [parameters allKeys];
for (int i = 0; i < [keys count]; i ++) {
NSString *key = [keys objectAtIndex:i];
//添加分界线，换行
[body appendFormat:@"%@\r\n",MPBoundary];
//添加字段名称，换2行
[body appendFormat:@"Content-Disposition: form-data; name=\"%@\"\r\n\r\n",key];
//添加字段的值
[body appendFormat:@"%@\r\n",[parameters objectForKey:key]];
}
}
[body appendFormat:@"%@\r\n",MPBoundary];
//声明pic字段，文件名为boris.png
[body appendFormat:@"Content-Disposition: form-data; name=\"face\"; filename=\"image\"\r\n"];
//声明上传文件的格式
[body appendFormat:@"Content-Type: image/jpge,image/gif, image/jpeg, image/pjpeg, image/pjpeg\r\n\r\n"];
//声明结束符：--AaB03x--
NSString *end=[[NSString alloc]initWithFormat:@"\r\n%@",endMPBoundary];
//声明myRequestData，用来放入http body
NSMutableData *myRequestData=[NSMutableData data];
//将body字符串转化为UTF8格式的二进制
[myRequestData appendData:[body dataUsingEncoding:NSUTF8StringEncoding]];
[myRequestData appendData:data];
//加入结束符--AaB03x--
[myRequestData appendData:[end dataUsingEncoding:NSUTF8StringEncoding]];
return myRequestData;
}
- (NSURL *)formatURLString:(NSString *)url
{
NSURL *urlString = [NSURL URLWithString:[url stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]]];
return urlString;
}
@end