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00023 @import "CPObject.j"
00024 @import "CPRunLoop.j"
00025 @import "CPURLRequest.j"
00026 @import "CPURLResponse.j"
00027
00028
00029 var XMLHTTPRequestUninitialized = 0,
00030 XMLHTTPRequestLoading = 1,
00031 XMLHTTPRequestLoaded = 2,
00032 XMLHTTPRequestInteractive = 3,
00033 XMLHTTPRequestComplete = 4;
00034
00035 var CPURLConnectionDelegate = nil;
00036
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00078 @implementation CPURLConnection : CPObject
00079 {
00080 CPURLRequest _request;
00081 id _delegate;
00082 BOOL _isCanceled;
00083
00084 XMLHTTPRequest _XMLHTTPRequest;
00085 }
00086
00087 + (void)setClassDelegate:(id)delegate
00088 {
00089 CPURLConnectionDelegate = delegate;
00090 }
00091
00092
00093
00094
00095
00096
00097
00098
00099 + (CPData)sendSynchronousRequest:(CPURLRequest)aRequest returningResponse:({CPURLResponse})aURLResponse error:({CPError})anError
00100 {
00101 try
00102 {
00103 var request = objj_request_xmlhttp();
00104
00105 request.open([aRequest HTTPMethod], [aRequest URL], NO);
00106
00107 var fields = [aRequest allHTTPHeaderFields],
00108 key = nil,
00109 keys = [fields keyEnumerator];
00110
00111 while (key = [keys nextObject])
00112 request.setRequestHeader(key, [fields objectForKey:key]);
00113
00114 request.send([aRequest HTTPBody]);
00115
00116 return [CPData dataWithString:request.responseText];
00117 }
00118 catch (anException)
00119 {
00120 }
00121
00122 return nil;
00123 }
00124
00125
00126
00127
00128
00129
00130
00131 + (CPURLConnection)connectionWithRequest:(CPURLRequest)aRequest delegate:(id)aDelegate
00132 {
00133 return [[self alloc] initWithRequest:aRequest delegate:aDelegate];
00134 }
00135
00136
00137
00138
00139
00140
00141
00142
00143 - (id)initWithRequest:(CPURLRequest)aRequest delegate:(id)aDelegate startImmediately:(BOOL)shouldStartImmediately
00144 {
00145 self = [super init];
00146
00147 if (self)
00148 {
00149 _request = aRequest;
00150 _delegate = aDelegate;
00151 _isCanceled = NO;
00152
00153 _XMLHTTPRequest = objj_request_xmlhttp();
00154
00155 if (shouldStartImmediately)
00156 [self start];
00157 }
00158
00159 return self;
00160 }
00161
00162 - (id)initWithRequest:(CPURLRequest)aRequest delegate:(id)aDelegate
00163 {
00164 return [self initWithRequest:aRequest delegate:aDelegate startImmediately:YES];
00165 }
00166
00167
00168
00169
00170 - (id)delegate
00171 {
00172 return _delegate;
00173 }
00174
00175
00176
00177
00178 - (void)start
00179 {
00180 _isCanceled = NO;
00181
00182 try
00183 {
00184 _XMLHTTPRequest.open([_request HTTPMethod], [_request URL], YES);
00185
00186 _XMLHTTPRequest.onreadystatechange = function() { [self _readyStateDidChange]; }
00187
00188 var fields = [_request allHTTPHeaderFields],
00189 key = nil,
00190 keys = [fields keyEnumerator];
00191
00192 while (key = [keys nextObject])
00193 _XMLHTTPRequest.setRequestHeader(key, [fields objectForKey:key]);
00194
00195 _XMLHTTPRequest.send([_request HTTPBody]);
00196 }
00197 catch (anException)
00198 {
00199 [_delegate connection:self didFailWithError:anException];
00200 }
00201 }
00202
00203
00204
00205
00206 - (void)cancel
00207 {
00208 _isCanceled = YES;
00209
00210 try
00211 {
00212 _XMLHTTPRequest.abort();
00213 }
00214
00215 catch (anException)
00216 {
00217 }
00218 }
00219
00220
00221 - (void)_readyStateDidChange
00222 {
00223 if (_XMLHTTPRequest.readyState == XMLHTTPRequestComplete)
00224 {
00225 var statusCode = _XMLHTTPRequest.status,
00226 url = [_request URL];
00227
00228 if ([_delegate respondsToSelector:@selector(connection:didReceiveResponse:)])
00229 [_delegate connection:self didReceiveResponse:[[CPHTTPURLResponse alloc] _initWithStatusCode:statusCode]];
00230
00231 if (!_isCanceled)
00232 {
00233 if (statusCode == 200 || (url.indexOf("file:") === 0 && statusCode === 0) || ((url.indexOf("http:") !== 0 || url.indexOf("https:") !== 0) && window.location && window.location.protocol === "file:" && statusCode === 0))
00234 {
00235 [_delegate connection:self didReceiveData:_XMLHTTPRequest.responseText];
00236 [_delegate connectionDidFinishLoading:self];
00237 }
00238 else if (statusCode == 401 && [CPURLConnectionDelegate respondsToSelector:@selector(connectionDidReceiveAuthenticationChallenge:)])
00239 [CPURLConnectionDelegate connectionDidReceiveAuthenticationChallenge:self];
00240 else
00241 [_delegate connection:self didFailWithError:_XMLHTTPRequest.status]
00242 }
00243 }
00244
00245 [[CPRunLoop currentRunLoop] limitDateForMode:CPDefaultRunLoopMode];
00246 }
00247
00248
00249 - (void)_XMLHTTPRequest
00250 {
00251 return _XMLHTTPRequest;
00252 }
00253
00254 @end