/*

     File: SOAPClient.m

 Abstract: SOAPClient class.

  Version: 1.0

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*/

/*

 File: SOAPClient.m

 Abstract: Implementation for a basic SOAP client class

*/ 

#import "SOAPClient.h"

@interface SOAPConnection : NSURLConnection

{

@private

    NSMutableData*      _data;

    BOOL                _finished;

}

- (void) appendData:(NSData*)data;

- (NSData*) data;

- (void) setFinished:(BOOL)finished;

- (BOOL) isFinished;

@end

@implementation SOAPConnection

- (void) dealloc

{

    [_data release];

    [super dealloc];

}

- (NSData*)data

{

    return _data;

}

- (void) appendData:(NSData*)data

{

    if(_data == nil)

    _data = [NSMutableData new];

    [_data appendData:data];

}

- (void) setFinished:(BOOL)finished

{

    _finished = finished;

}

- (BOOL) isFinished

{

    return _finished;

}

@end

@implementation SOAPClient

- (id) initWithServerURL:(NSURL*)url

{

    if(url == nil) {

        [self release];

        return nil;

    }

    if(self = [super init])

    _url = [url copy];

    return self;

}

- (void) dealloc

{

    [_url release];

    [super dealloc];

}

- (NSXMLDocument*) sendMessageAndWaitForReply:(NSXMLDocument*)message timeOut:(NSTimeInterval)timeOut

{

    NSData*                 data = [message XMLData];

    NSMutableURLRequest*    request;

    SOAPConnection*         connection;

    NSError*                error;

    NSTimeInterval          startTime;

    if(data == nil)

    return nil;

    request = [[NSMutableURLRequest alloc] initWithURL:_url cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:timeOut];

    [request setHTTPMethod:@"POST"];

    [request setHTTPBody:data];

    [request setValue:[NSString stringWithFormat:@"%d", [data length]] forHTTPHeaderField:@"Content-Length"];

    connection = [[SOAPConnection alloc] initWithRequest:request delegate:self];

    [request release];

    if(connection) {

        startTime = [NSDate timeIntervalSinceReferenceDate];

        while(![connection isFinished]) {

            [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate dateWithTimeIntervalSinceNow:1.0]];

            if([NSDate timeIntervalSinceReferenceDate] >= startTime + timeOut) {

                [connection cancel];

                [connection release];

                connection = nil;

                break;

            }

        }

    }

    message = ([connection data] ? [[NSXMLDocument alloc] initWithData:[connection data] options:NSXMLNodeOptionsNone error:&error] : nil);

    [connection release];

    return [message autorelease];

}

- (void) connection:(SOAPConnection*)connection didReceiveData:(NSData*)data

{

    [connection appendData:data];

}

- (void) connectionDidFinishLoading:(SOAPConnection*)connection

{

    [connection setFinished:YES];

}

- (void) connection:(SOAPConnection*)connection didFailWithError:(NSError*)error

{

    [connection setFinished:YES];

}

@end