SOAP and REST Services in iPhone - iphone

Question

I am learning parsing in iPhone, When i was searching for the tutorials, i came to know very little bit about SOAP and REST services.
Now i wanted to learn SOAP and REST services.
Do any one have theoretical knowledge of SOAP and REST?
Is there any simple tutorial available for the beginners?
Thanks a lot in advance.

Answer 1

see these links, alongwith comparison of both
http://www.ajaxonomy.com/2008/xml/web-services-part-1-soap-vs-rest
http://greatgandhi.wordpress.com/2010/06/16/soap-vs-rest-%E2%80%93-the-best-webservice/
http://www.petefreitag.com/item/431.cfm

Answer 2

SOAP GUIDE
http://sudzc.com/
REST GUIDE
http://stackoverflow.com/questions/630306/iphone-rest-client

Answer 3

SOAP Web Service
-(IBAction) read_data
{
NSString *soapMessage = [NSString stringWithFormat:
#"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
"<soap:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\">\n"
"<soap:Body>\n"
"<CelsiusToFahrenheit xmlns=\"http://tempuri.org/\">n"
"<Celsius>%#</Celsius>n"
"</CelsiusToFahrenheit>n"
"</soap:Body>\n"
"</soap:Envelope>\n",name.text
];
NSLog(#"soap Message= %#",soapMessage);
NSURL *url = [NSURL URLWithString:#"your URL "];
NSMutableURLRequest *theRequest = [NSMutableURLRequest requestWithURL:url];
NSString *msgLength = [NSString stringWithFormat:#"%d", [soapMessage length]];
[theRequest addValue: #"text/xml; charset=utf-8" forHTTPHeaderField:#"Content-Type"];
[theRequest addValue: #"http://tempuri.org/CelsiusToFahrenheit" forHTTPHeaderField:#"SOAPAction"];
[theRequest addValue: msgLength forHTTPHeaderField:#"Content-Length"];
[theRequest setHTTPMethod:#"POST"];
[theRequest setHTTPBody: [soapMessage dataUsingEncoding:NSUTF8StringEncoding]];
NSURLConnection *theConnection = [[NSURLConnection alloc] initWithRequest:theRequest delegate:self];
if( theConnection )
{
webData = [[NSMutableData data] retain];
}
else
{
NSLog(#"theConnection is NULL");
}
}
-(void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
{
[webData setLength: 0];
}
-(void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
{
[webData appendData:data];
}
-(void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
{
NSLog(#"ERROR with theConenction");
[connection release];
[webData release];
}
-(void)connectionDidFinishLoading:(NSURLConnection *)connection
{
NSLog(#"DONE. Received Bytes: %d", [webData length]);
NSString *theXML = [[NSString alloc] initWithBytes: [webData mutableBytes] length:[webData length] encoding:NSUTF8StringEncoding];
NSLog(#"theXML %#",theXML); // Here is your received Value from url
[theXML release];
}
Here is the Example of RESTful WebService