rt300@29: //
rt300@29: //  ServerComms.m
rt300@30: //  httpPost
rt300@29: //
rt300@30: //  Created by Robert Tubb on 24/02/2013.
rt300@30: //  Copyright (c) 2013 Robert Tubb. All rights reserved.
rt300@29: //
rt300@29: 
rt300@29: #import "ServerComms.h"
rt300@30: #import "eventLogger.h"
rt300@30: 
rt300@30: extern EventLogger eventLogger;
rt300@29: 
rt300@29: @implementation ServerComms
rt300@30: //
rt300@31: -(id)init{
rt300@31:     self = [super init];
rt300@31:     if(self != nil){
rt300@31:         self.requestInProgress = NO;
rt300@31:     }
rt300@31:     return self;
rt300@31: }
rt300@41: //-------------------------------------------------------------------------------
rt300@30: //  asynchronous one
rt300@30: -(BOOL)doPostRequest:(NSString *)type withData:(NSString *)data{
rt300@30:     
rt300@30:     if(self.requestInProgress){
rt300@30:         return NO;
rt300@30:     }
rt300@30:     self.currentRequestType = type;
rt300@30:     NSString *localServerURL = @"http://127.0.0.1:8080/testservice/";
rt300@30:     NSString *webServerURL = @"http://www.isophonics.net/datacollector/";
rt300@30: 
rt300@32:     NSString *urls = [webServerURL stringByAppendingString:type];
rt300@30:     NSURL *url = [NSURL URLWithString:urls];
rt300@30: 
rt300@30: 
rt300@30:     // request object
rt300@30:     NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
rt300@30:     
rt300@30:     // the data
rt300@30:     NSString *post = [@"jsontext=" stringByAppendingString:[NSString stringWithFormat:data]];
rt300@30:     NSData *postData = [post dataUsingEncoding:NSUTF8StringEncoding];
rt300@30:     // length of data
rt300@30:     NSString *postLength = [NSString stringWithFormat:@"%d",[postData length]];
rt300@30:     
rt300@30:     // request properties/header fields
rt300@30:     [request setHTTPMethod:@"POST"];
rt300@30:     [request setValue:postLength forHTTPHeaderField:@"Content-Length"];
rt300@30:     [request setValue:@"gzip" forHTTPHeaderField:@"Accept-Encoding"];
rt300@30:     [request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
rt300@30:     [request setHTTPBody:postData ];
rt300@30: 
rt300@30:     NSURLConnection *theConnection=[[NSURLConnection alloc] initWithRequest:request delegate:self];
rt300@44:     [theConnection release];
rt300@30:     self.requestInProgress = YES;
rt300@30:     return YES;
rt300@30:     //  asynchronous one??
rt300@29: }
rt300@30: //--------------------------------------------------------------------
rt300@30: 
rt300@30: // schncronous
rt300@30: -(BOOL)doSyncPostRequest:(NSString *)type withData:(NSString *)data{
rt300@30:     BOOL success;
rt300@29:     
rt300@30:     NSString *localServerURL = @"http://127.0.0.1:8080/testservice/";
rt300@30:     NSString *webServerURL = @"http://www.isophonics.net/datacollector/";
rt300@30:     
rt300@32:     NSString *urls = [webServerURL stringByAppendingString:type];
rt300@30:     NSURL *url = [NSURL URLWithString:urls];
rt300@30:     
rt300@30:     
rt300@30:     // request object
rt300@30:     NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
rt300@30:     
rt300@30:     // the data
rt300@30:     NSString *post = [@"jsontext=" stringByAppendingString:[NSString stringWithFormat:data]];
rt300@30:     NSData *postData = [post dataUsingEncoding:NSUTF8StringEncoding];
rt300@30:     // length of data
rt300@30:     NSString *postLength = [NSString stringWithFormat:@"%d",[postData length]];
rt300@30:     
rt300@30:     // request properties/header fields
rt300@29:     [request setHTTPMethod:@"POST"];
rt300@30:     [request setValue:postLength forHTTPHeaderField:@"Content-Length"];
rt300@30:     [request setValue:@"gzip" forHTTPHeaderField:@"Accept-Encoding"];
rt300@30:     [request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
rt300@30:     [request setHTTPBody:postData ];
rt300@29:     
rt300@30:     NSURLResponse* response;
rt300@30:     NSError* error = nil;
rt300@30:     NSData* result = [NSURLConnection sendSynchronousRequest:request  returningResponse:&response error:&error];
rt300@30:  
rt300@30:     NSString *responseDataString = [[NSString alloc] initWithData:result encoding:NSUTF8StringEncoding];
rt300@29:     
rt300@30:     //NSString* responseDataString = [NSString stringWithUTF8String: ];
rt300@32:     NSLog(@"sync req. data %@", responseDataString);
rt300@30:     [self.data appendData:result];
rt300@29:     
rt300@30:     if([responseDataString isEqualToString:@"testConnection:OK"]){
rt300@30:         
rt300@30:         eventLogger.testConnectionOK();
rt300@47:         
rt300@30:         success = true;
rt300@30:     }else if([responseDataString isEqualToString:@"questionnaire:OK"]){
rt300@30:         eventLogger.questionnaireOK();
rt300@47:         
rt300@30:         success = true;
rt300@30:     }else    if([responseDataString isEqualToString:@"eventlog:OK"]){
rt300@30:         // call eventLogger eventlogUploadOK
rt300@30:         eventLogger.eventlogOK();
rt300@30:         success = true;
rt300@30:     }else{
rt300@30:         success = false;
rt300@31:         if([type isEqualToString:@"testConnection"]) eventLogger.testConnectionNotOK();
rt300@31:         if([type isEqualToString:@"eventlog"]) eventLogger.eventlogNotOK();
rt300@31:         if([type isEqualToString:@"questionnaire"]) eventLogger.questionnaireNotOK();
rt300@30:     }
rt300@29:     
rt300@30:     // else check error??
rt300@30:     
rt300@30:     // check result
rt300@30:     self.requestInProgress = NO;
rt300@47:     [responseDataString release];
rt300@30:     return success;
rt300@30: }
rt300@30: //-------------------------------------------------------------------------------------------------
rt300@30: 
rt300@30: - (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response {
rt300@30:     [self.data setLength:0];
rt300@30:     NSLog(@"didReceiveResponse : %@",response);
rt300@29: }
rt300@29: 
rt300@30: - (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)d {
rt300@30:     NSString *responseDataString = [[NSString alloc] initWithData:d encoding:NSUTF8StringEncoding];
rt300@30:     
rt300@30:     //NSString* responseDataString = [NSString stringWithUTF8String: ];
rt300@31:     NSLog(@" %@ didRecieveData %@",self.currentRequestType, responseDataString);
rt300@30:     [self.data appendData:d];
rt300@30:     
rt300@30:     if([responseDataString isEqualToString:@"testConnection:OK"]){
rt300@29: 
rt300@30:         eventLogger.testConnectionOK();
rt300@36:         [responseDataString release];
rt300@30:     }else if([responseDataString isEqualToString:@"questionnaire:OK"]){
rt300@30:         eventLogger.questionnaireOK();
rt300@30:     }else    if([responseDataString isEqualToString:@"eventlog:OK"]){
rt300@30:         // call eventLogger eventlogUploadOK
rt300@30:         eventLogger.eventlogOK();
rt300@31:     }else{
rt300@31:         if([self.currentRequestType isEqualToString:@"testConnection"]) eventLogger.testConnectionNotOK();
rt300@31:         if([self.currentRequestType isEqualToString:@"eventlog"]) eventLogger.eventlogNotOK();
rt300@31:         if([self.currentRequestType isEqualToString:@"questionnaire"]) eventLogger.questionnaireNotOK();
rt300@30:     }
rt300@29: }
rt300@41: //-------------------------------------------------------------------------------
rt300@30: - (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
rt300@31: 
rt300@30:     NSLog(@"fail with error");
rt300@31:     if([self.currentRequestType isEqualToString:@"testConnection"]) {
rt300@31:         UIAlertView * av = [ [UIAlertView alloc] initWithTitle:NSLocalizedString(@"Sorry", @"")
rt300@31:                                                        message:[error localizedDescription]
rt300@31:                                                       delegate:nil
rt300@31:                                              cancelButtonTitle:NSLocalizedString(@"OK", @"")
rt300@31:                                              otherButtonTitles:nil ];
rt300@31:         [av show];
rt300@31:         eventLogger.testConnectionNotOK();
rt300@31:         
rt300@31:     }
rt300@31:     if([self.currentRequestType isEqualToString:@"eventlog"]) eventLogger.eventlogNotOK();
rt300@31:     if([self.currentRequestType isEqualToString:@"questionnaire"]) eventLogger.questionnaireNotOK();
rt300@30:     self.requestInProgress = NO;
rt300@30:     // we won't know what kind of request method this was...
rt300@29: }
rt300@41: //-------------------------------------------------------------------------------
rt300@30: - (void)connectionDidFinishLoading:(NSURLConnection *)connection {
rt300@30:     NSString *responseText = [[NSString alloc] initWithData:self.data encoding:NSUTF8StringEncoding];
rt300@30:     
rt300@30:     // Do anything you want with it
rt300@30:     NSLog(@"response text: %@",responseText);
rt300@36:     [responseText release];
rt300@36:     
rt300@30:     self.requestInProgress = NO;
rt300@30: 
rt300@29: }
rt300@41: //-------------------------------------------------------------------------------
rt300@30: // Handle basic authentication challenge if needed
rt300@30: - (void)connection:(NSURLConnection *)connection didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge {
rt300@30:     NSString *username = @"username";
rt300@30:     NSString *password = @"password";
rt300@30:     
rt300@30:     NSURLCredential *credential = [NSURLCredential credentialWithUser:username
rt300@30:                                                              password:password
rt300@30:                                                           persistence:NSURLCredentialPersistenceForSession];
rt300@30:     [[challenge sender] useCredential:credential forAuthenticationChallenge:challenge];
rt300@30: }
rt300@30: /*
rt300@30: - (NSURLRequest *)connection:(NSURLConnection *)connection willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)redirectResponse{
rt300@30:     
rt300@30: }
rt300@29: - (NSCachedURLResponse *)connection:(NSURLConnection *)connection willCacheResponse:(NSCachedURLResponse *)cachedResponse{
rt300@29:     
rt300@29: }
rt300@30: */
rt300@41: //-------------------------------------------------------------------------------
rt300@29: @end