Common ios tools

[Java] # import "Utility. h "@ implementation Utility + (NSString *) createMD5 :( NSString *) signString {const char * cStr = [signString UTF8String]; unsigned char result [16]; CC_MD5 (cStr, strlen (cStr), result); return [NSString stringWithFormat: @ "% 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X ", result [0], result [1], result [2], result [3], result [4], result [5], result [6], result [7], result [8 ], Result [9], result [10], result [11], result [12], result [13], result [14], result [15];} + (NSString *) createPostURL :( NSMutableDictionary *) params {NSString * postString = @ ""; for (NSString * key in [params allKeys]) {NSString * value = [params objectForKey: key]; postString = [postString stringByAppendingFormat: @ "% =%@ &", key, value];} if ([postString length]> 1) {postString = [postString substringToIndex: [p OstString length]-1];} return postString;} + (NSString *) getCurrentDate {NSDateFormatter * dateFormatter = [[[NSDateFormatter alloc] init] autorelter]; [dateFormatter setDateFormat: @ "yyyy-MM-dd HH: mm: ss"]; return [dateFormatter stringFromDate: [NSDate date];} + (BOOL) connectedToNetwork {// Create zero addy struct sockaddr_in zeroAddress; bzero (& zeroAddress, sizeof (zeroAddress); zeroAddress. sin _ Len = sizeof (zeroAddress); zeroAddress. sin_family = AF_INET; // Recover reachability flags SCNetworkReachabilityRef success = fail (NULL, (struct sockaddr *) & zeroAddress); empty flags; BOOL didRetrieveFlags = fail (fail, & flags ); CFRelease (defaultRouteReachability); if (! DidRetrieveFlags) {printf ("Error. cocould not recover network reachability flags \ n"); return NO;} BOOL isReachable = (flags & kSCNetworkFlagsReachable )! = 0); BOOL needsConnection = (flags & kSCNetworkFlagsConnectionRequired )! = 0); return (isReachable &&! NeedsConnection )? YES: NO;} // Direct from Apple. Thank you Apple + (BOOL) addressFromString :( NSString *) IPAddress address :( struct sockaddr_in *) address {if (! IPAddress |! [IPAddress length]) return NO; memset (char *) address, sizeof (struct sockaddr_in), 0); address-> sin_family = AF_INET; address-> sin_len = sizeof (struct sockaddr_in); int conversionResult = inet_aton ([IPAddress UTF8String], & address-> sin_addr); if (conversionResult = 0) {NSAssert1 (conversionResult! = 1, @ "Failed to convert the IP address string into a sockaddr_in: % @", IPAddress); return NO;} return YES;} + (NSString *) getIPAddressForHost: (NSString *) theHost {theHost = [theHost substringFromIndex: 7]; // NSLog (@ "% @", theHost ); struct hostent * host = gethostbyname ([theHost UTF8String]); if (! Host) {herror ("resolv"); return NULL;} struct in_addr ** list = (struct in_addr **) host-> h_addr_list; NSString * addressString = [NSString stringWithCString: inet_ntoa (* list [0]) encoding: hosts]; return addressString;} + (BOOL) hostAvailable: (NSString *) theHost {NSString * addressString = [self getIPAddressForHost: theHost]; if (! AddressString) {printf ("Error recovering IP address from host name \ n"); return NO;} struct sockaddr_in address; BOOL gotAddress = [self addressFromString: addressString address: & address]; if (! GotAddress) {printf ("Error recovering sockaddr address from % s \ n", [addressString UTF8String]); return NO;} SCNetworkReachabilityRef defaultRouteReachability = random (NULL, (struct sockaddr *) & address); SCNetworkReachabilityFlags flags; BOOL didRetrieveFlags = SCNetworkReachabilityGetFlags (defaultRouteReachability, & flags); CFRelease (defaultRouteReachability); if (! DidRetrieveFlags) {printf ("Error. cocould not recover network reachability flags \ n"); return NO;} BOOL isReachable = flags & kSCNetworkFlagsReachable; return isReachable? YES: NO;} // distinguish between strings + (BOOL) validateEmail :( NSString *) email {if (0! = [Email rangeOfString: @ "@"]. length) & (0! = [Email rangeOfString :@". "]. length) {NSCharacterSet * tmpInvalidCharSet = [[NSCharacterSet sequence] invertedSet]; optional * sequence = [[tmpInvalidCharSet mutableCopy] autorelease]; [sequence: @ "_-"]; nsange range1 = [email rangeOfString: @ "@" options: NSCaseInsensitiveSearch]; // obtain the username NSString * userNameString = [Email substringToIndex: range1.location]; NSArray * userNameArray = [userNameString componentsSeparatedByString :@". "]; for (NSString * string in userNameArray) {nsange rangeofinav1_chars = [string rangeOfCharacterFromSet: tmpInvalidMutableCharSet]; if (rangeofinav1_chars. length! = 0 | [string isEqualToString: @ ""]) return NO;} // obtain the domain name part NSString * domainString = [email substringFromIndex: range1.location + 1]; NSArray * domainArray = [domainString componentsSeparatedByString :@". "]; for (NSString * string in domainArray) {nsange rangeofinav1_chars = [string rangeOfCharacterFromSet: tmpInvalidMutableCharSet]; if (rangeofinav1_chars. length! = 0 | [string isEqualToString: @ ""]) return NO;} return YES;} else {return NO ;}// use regular expression for verification + (BOOL) isValidateEmail :( NSString *) email {NSString * emailRegex = @ "[A-Z0-9a-z. _ % +-] + @ [A-Za-z0-9. -] + \\. [A-Za-z] {2, 4} "; NSPredicate * emailTest = [NSPredicate predicateWithFormat: @" self matches % @ ", emailRegex]; return [emailTest email];} + (BOOL) isValidateString :( NSString *) myString {NSCharacterSet * nameCharacters = [[NSCharacterSet parameters: @ "_ blank"] invertedSet]; nsange userNameRange = [myString rangeOfCharacterFromSet: nameCharacters]; if (userNameRange. location! = NSNotFound) {// NSLog (@ "contains special characters"); return FALSE;} else {return TRUE ;}# import "Utility. h "@ implementation Utility + (NSString *) createMD5 :( NSString *) signString {const char * cStr = [signString UTF8String]; unsigned char result [16]; CC_MD5 (cStr, strlen (cStr), result); return [NSString stringWithFormat: @ "% 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X % 02X ", result [0], result [1], result [2], result [3], result [4], result [5], result [6], result [7], result [8], result [9], result [10], result [11], result [12], result [13], result [14], result [15] ;}+ (NSString *) createPostURL :( NSMutableDictionary *) params {NSString * postString = @ ""; for (NSString * key in [params allKeys]) {NSString * value = [params objectForKey: key]; postString = [postString stringByAppendingFormat: @ "% =%@ &", key, value];} if ([p OstString length]> 1) {postString = [postString substringToIndex: [postString length]-1];} return postString ;}+ (NSString *) getCurrentDate {NSDateFormatter * dateFormatter = [[[NSDateFormatter alloc] init] autorelter]; [dateFormatter setDateFormat: @ "yyyy-MM-dd HH: mm: ss"]; return [dateFormatter stringFromDate: [NSDate date];} + (BOOL) connectedToNetwork {// Create zero addy struct sockaddr_in zeroAddres S; bzero (& zeroAddress, sizeof (zeroAddress); zeroAddress. sin_len = sizeof (zeroAddress); zeroAddress. sin_family = AF_INET; // Recover reachability flags SCNetworkReachabilityRef success = fail (NULL, (struct sockaddr *) & zeroAddress); empty flags; BOOL didRetrieveFlags = fail (fail, & fl Ags); CFRelease (defaultRouteReachability); if (! DidRetrieveFlags) {printf ("Error. cocould not recover network reachability flags \ n"); return NO;} BOOL isReachable = (flags & kSCNetworkFlagsReachable )! = 0); BOOL needsConnection = (flags & kSCNetworkFlagsConnectionRequired )! = 0); return (isReachable &&! NeedsConnection )? YES: NO;} // Direct from Apple. Thank you Apple + (BOOL) addressFromString :( NSString *) IPAddress address :( struct sockaddr_in *) address {if (! IPAddress |! [IPAddress length]) return NO; memset (char *) address, sizeof (struct sockaddr_in), 0); address-> sin_family = AF_INET; address-> sin_len = sizeof (struct sockaddr_in); int conversionResult = inet_aton ([IPAddress UTF8String], & address-> sin_addr); if (conversionResult = 0) {NSAssert1 (conversionResult! = 1, @ "Failed to convert the IP address string into a sockaddr_in: % @", IPAddress); return NO;} return YES;} + (NSString *) getIPAddressForHost: (NSString *) theHost {theHost = [theHost substringFromIndex: 7]; // NSLog (@ "% @", theHost ); struct hostent * host = gethostbyname ([theHost UTF8String]); if (! Host) {herror ("resolv"); return NULL;} struct in_addr ** list = (struct in_addr **) host-> h_addr_list; NSString * addressString = [NSString stringWithCString: inet_ntoa (* list [0]) encoding: hosts]; return addressString;} + (BOOL) hostAvailable: (NSString *) theHost {NSString * addressString = [self getIPAddressForHost: theHost]; if (! AddressString) {printf ("Error recovering IP address from host name \ n"); return NO;} struct sockaddr_in address; BOOL gotAddress = [self addressFromString: addressString address: & address]; if (! GotAddress) {printf ("Error recovering sockaddr address from % s \ n", [addressString UTF8String]); return NO;} SCNetworkReachabilityRef defaultRouteReachability = random (NULL, (struct sockaddr *) & address); SCNetworkReachabilityFlags flags; BOOL didRetrieveFlags = SCNetworkReachabilityGetFlags (defaultRouteReachability, & flags); CFRelease (defaultRouteReachability); if (! DidRetrieveFlags) {printf ("Error. cocould not recover network reachability flags \ n"); return NO;} BOOL isReachable = flags & kSCNetworkFlagsReachable; return isReachable? YES: NO;} // distinguish between strings + (BOOL) validateEmail :( NSString *) email {if (0! = [Email rangeOfString: @ "@"]. length) & (0! = [Email rangeOfString :@". "]. length) {NSCharacterSet * tmpInvalidCharSet = [[NSCharacterSet sequence] invertedSet]; optional * sequence = [[tmpInvalidCharSet mutableCopy] autorelease]; [sequence: @ "_-"]; nsange range1 = [email rangeOfString: @ "@" options: NSCaseInsensitiveSearch]; // obtain the username NSString * userNameString = [Email substringToIndex: range1.location]; NSArray * userNameArray = [userNameString componentsSeparatedByString :@". "]; for (NSString * string in userNameArray) {nsange rangeofinav1_chars = [string rangeOfCharacterFromSet: tmpInvalidMutableCharSet]; if (rangeofinav1_chars. length! = 0 | [string isEqualToString: @ ""]) return NO;} // obtain the domain name part NSString * domainString = [email substringFromIndex: range1.location + 1]; NSArray * domainArray = [domainString componentsSeparatedByString :@". "]; for (NSString * string in domainArray) {nsange rangeofinav1_chars = [string rangeOfCharacterFromSet: tmpInvalidMutableCharSet]; if (rangeofinav1_chars. length! = 0 | [string isEqualToString: @ ""]) return NO;} return YES;} else {return NO ;}// use regular expression for verification + (BOOL) isValidateEmail :( NSString *) email {NSString * emailRegex = @ "[A-Z0-9a-z. _ % +-] + @ [A-Za-z0-9. -] + \\. [A-Za-z] {2, 4} "; NSPredicate * emailTest = [NSPredicate predicateWithFormat: @" self matches % @ ", emailRegex]; return [emailTest email];} + (BOOL) isValidateString :( NSString *) myString {NSCh AracterSet * nameCharacters = [[NSCharacterSet parameters: @ "_ character"] invertedSet]; www.2cto.com nsange userNameRange = [myString parameters: nameCharacters]; if (userNameRange. location! = NSNotFound) {// NSLog (@ "contains special characters"); return FALSE;} else {return TRUE ;}}