#import "PicOperation.h"
#define NOTIFY_AND_LEAVE(X) {[self cleanup:X]; return;}
#define DATA(X) [X dataUsingEncoding:NSUTF8StringEncoding]
#define IMAGE_CONTENT @"Content-Disposition: form-data; name=\"%@\"; filename=\"image.jpg\"\r\nContent-Type: image/jpeg\r\n\r\n"
#define STRING_CONTENT @"Content-Disposition: form-data; name=\"%@\"\r\n\r\n"
#define MULTIPART @"multipart/form-data; boundary=------------0x0x0x0x0x0x0x0x"
@implementation
PicOperation
@synthesize
theImage;
- (
NSData
*)generateFormDataFromPostDictionary:(
NSDictionary
*)dict
{
id
boundary = @
"------------0x0x0x0x0x0x0x0x"
;
NSArray
* keys = [dict allKeys];
NSMutableData
* result = [
NSMutableData
data];
for
(
int
i = 0; i < [keys count]; i++)
{
id
value = [dict valueForKey: [keys objectAtIndex:i]];
[result appendData:[[
NSString
stringWithFormat:@
"--%@\r\n"
, boundary] dataUsingEncoding:
NSUTF8StringEncoding
]];
if
([value isKindOfClass:[
NSData
class
]])
{
NSString
*formstring = [
NSString
stringWithFormat:IMAGE_CONTENT, [keys objectAtIndex:i]];
[result appendData: DATA(formstring)];
[result appendData:value];
}
else
{
NSString
*formstring = [
NSString
stringWithFormat:STRING_CONTENT, [keys objectAtIndex:i]];
[result appendData: DATA(formstring)];
[result appendData:DATA(value)];
}
NSString
*formstring = @
"\r\n"
;
[result appendData:DATA(formstring)];
}
NSString
*formstring =[
NSString
stringWithFormat:@
"--%@--\r\n"
, boundary];
[result appendData:DATA(formstring)];
return
result;
}
- (
NSString
*) UpLoading
{
if
(!
self
.theImage)
NOTIFY_AND_LEAVE(@
"Please set image before uploading."
);
NSMutableDictionary
* post_dict = [[
NSMutableDictionary
alloc] init];
[post_dict setObject:@
"Posted from iPhone"
forKey:@
"message"
];
[post_dict setObject:UIImageJPEGRepresentation(
self
.theImage, 0.75f) forKey:@
"media"
];
NSData
*postData = [
self
generateFormDataFromPostDictionary:post_dict];
[post_dict release];
NSString
*baseurl = @
"http://10.5.23.121:7878/WorkflowService.asmx/UploadFile"
;
NSURL
*url = [
NSURL
URLWithString:baseurl];
NSMutableURLRequest
*urlRequest = [
NSMutableURLRequest
requestWithURL:url];
if
(!urlRequest) NOTIFY_AND_LEAVE(@
"Error creating the URL Request"
);
[urlRequest setHTTPMethod: @
"POST"
];
[urlRequest setValue:MULTIPART forHTTPHeaderField: @
"Content-Type"
];
[urlRequest setHTTPBody:postData];
NSError
*error;
NSURLResponse
*response;
NSLog
(@
"Contacting TwitPic...."
);
NSData
* result = [
NSURLConnection
sendSynchronousRequest:urlRequest returningResponse:&response error:&error];
if
(!result)
{
[
self
cleanup:[
NSString
stringWithFormat:@
"Submission error: %@"
, [error localizedDescription]]];
return
;
}
NSString
*outstring = [[[
NSString
alloc] initWithData:result encoding:
NSUTF8StringEncoding
] autorelease];
return
outstring;
}
@end