![]() System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory : /usr/share/doc/gnustep-base-doc/Base/Reference/ |
Upload File : |
<?xml version="1.0"?> <!DOCTYPE gsdoc PUBLIC "-//GNUstep//DTD gsdoc 1.0.4//EN" "http://www.gnustep.org/gsdoc-1_0_4.dtd"> <gsdoc base="NSURLProtocol" up="Base"> <head> <title>NSURLProtocol class documentation</title> <author name="Generated by Debian"></author> </head> <body> <front><contents /></front> <chapter> <heading> Software documentation for the NSURLProtocol class </heading> <class name="NSURLProtocol" super="NSObject" ovadd="10.2.0" gvadd="1.13.0"> <declared>Foundation/NSURLProtocol.h</declared> <desc> <p> Subclasses of NSURLProtocol implement basic handling of URL loading for specific protocols. The NSURLProtocol class itsself is a semi-abstract class giving the essential structure for the subclasses. </p> <p> You never instantiate NSURLProtocol yourself... it should only ever be done by other classes within the URL loading system. </p> </desc> <ivariable type="void*" name="_NSURLProtocolInternal" validity="protected" ovadd="10.2.0" gvadd="1.13.0"> <desc> <em>Warning</em> the underscore at the start of the name of this instance variable indicates that, even though it is not technically <em>private</em>, it is intended for internal use within the package, and you should not use the variable in other code. </desc> </ivariable> <method type="id" factory="yes" ovadd="10.2.0" gvadd="1.13.0"> <sel>propertyForKey:</sel> <arg type="NSString*">key</arg> <sel>inRequest:</sel> <arg type="NSURLRequest*">request</arg> <desc> Allows subclasses to provide access to proptocol specific properties, returning the property of <var>request</var> stored by the name <var>key</var> or <code>nil</code> if no property had been stored using that <var>key</var> in the <var>request</var>. </desc> </method> <method type="BOOL" factory="yes" ovadd="10.2.0" gvadd="1.13.0"> <sel>registerClass:</sel> <arg type="Class">protocolClass</arg> <desc> Registers the specified class so that it can be used to load requests. <br /> When the system is determining which class to use to handle a request it examines them in a most recently registered first order. <br /> The <ref type="method" id="+canInitWithRequest:"> +canInitWithRequest: </ref> method is used to determine whether a class may be used to handle a particular request or not. Returns <code>YES</code> if registered (ie the class is an NSURLProtocol subclass), <code>NO</code> otherwise. </desc> </method> <method type="void" factory="yes" ovadd="10.2.0" gvadd="1.13.0"> <sel>setProperty:</sel> <arg type="id">value</arg> <sel>forKey:</sel> <arg type="NSString*">key</arg> <sel>inRequest:</sel> <arg type="NSMutableURLRequest*">request</arg> <desc> Allows subclasses to provide a way to set protocol specific properties, setting the property named <var>key</var> to <var>value</var> in the <var>request</var>. </desc> </method> <method type="void" factory="yes" ovadd="10.2.0" gvadd="1.13.0"> <sel>unregisterClass:</sel> <arg type="Class">protocolClass</arg> <desc> Unregisters a class which was previously registered using the <ref type="method" id="+registerClass:"> +registerClass: </ref> method. </desc> </method> <method type="NSCachedURLResponse*" ovadd="10.2.0" gvadd="1.13.0"> <sel>cachedResponse</sel> <desc> Returns the cachedResponse of the receiver. </desc> </method> <method type="id<NSURLProtocolClient>" ovadd="10.2.0" gvadd="1.13.0"> <sel>client</sel> <desc> Returns the client associated with the receiver. </desc> </method> <method type="id" ovadd="10.2.0" gvadd="1.13.0"> <sel>initWithRequest:</sel> <arg type="NSURLRequest*">request</arg> <sel>cachedResponse:</sel> <arg type="NSCachedURLResponse*">cachedResponse</arg> <sel>client:</sel> <arg type="id<NSURLProtocolClient>">client</arg> <desc> Initialises the receiver with <var>request</var>, <var>cachedResponse</var> and <var>client</var>. <br /> The <var>cachedResponse</var> may be the result of a previous load of the <var>request</var> (in which case the protocol may validate and use it). <br /> The <var>client</var> is the object which receives messages about the progress of the load. </desc> </method> <method type="NSURLRequest*" ovadd="10.2.0" gvadd="1.13.0"> <sel>request</sel> <desc> Returns the request handled by the receiver. </desc> </method> </class> </chapter> <chapter> <heading> Software documentation for the NSURLProtocol(Subclassing) category </heading> <category name="Subclassing" class="NSURLProtocol" ovadd="10.2.0" gvadd="1.13.0"> <declared>Foundation/NSURLProtocol.h</declared> <desc> This category lists the methods which a subclass must implement in order to produce a working protocol. </desc> <method type="BOOL" factory="yes" override="subclass" ovadd="10.2.0" gvadd="1.13.0"> <sel>canInitWithRequest:</sel> <arg type="NSURLRequest*">request</arg> <desc> This method is called to decide whether a class can deal with the specified <var>request</var>. The abstract class implementation raises an exception. </desc> </method> <method type="NSURLRequest*" factory="yes" override="subclass" ovadd="10.2.0" gvadd="1.13.0"> <sel>canonicalRequestForRequest:</sel> <arg type="NSURLRequest*">request</arg> <desc> Returns the 'canonical' version of the <var>request</var>. <br /> The canonical form is used to look up requests in the cache by checking for equality. <br /> The abnstract class implementation simply returns <var>request</var>. </desc> </method> <method type="BOOL" factory="yes" override="subclass" ovadd="10.2.0" gvadd="1.13.0"> <sel>requestIsCacheEquivalent:</sel> <arg type="NSURLRequest*">a</arg> <sel>toRequest:</sel> <arg type="NSURLRequest*">b</arg> <desc> Compares two requests for equivalence for caching purposes. <br /> The abstract class implementaton just uses <ref type="method" id="-isEqual:" class="NSObject"> [NSObject -isEqual:] </ref> </desc> </method> <method type="void" override="subclass" ovadd="10.2.0" gvadd="1.13.0"> <sel>startLoading</sel> <desc> Starts loading of a request. </desc> </method> <method type="void" override="subclass" ovadd="10.2.0" gvadd="1.13.0"> <sel>stopLoading</sel> <desc> Stops loading of a request (eg when the load is cancelled). </desc> </method> </category> </chapter> <chapter> <heading> Software documentation for the NSURLProtocolClient protocol </heading> <protocol name="NSURLProtocolClient" ovadd="10.2.0" gvadd="1.13.0"> <declared>Foundation/NSURLProtocol.h</declared> <conform>NSObject</conform> <desc> Defines the API for NSURLProtocol loading </desc> <method type="void" ovadd="10.2.0" gvadd="1.13.0"> <sel>URLProtocol:</sel> <arg type="NSURLProtocol*">protocol</arg> <sel>cachedResponseIsValid:</sel> <arg type="NSCachedURLResponse*">cachedResponse</arg> <desc> Informs a client that a cached response is valid. </desc> </method> <method type="void" ovadd="10.2.0" gvadd="1.13.0"> <sel>URLProtocol:</sel> <arg type="NSURLProtocol*">protocol</arg> <sel>didCancelAuthenticationChallenge:</sel> <arg type="NSURLAuthenticationChallenge*">challenge</arg> <desc> Informs a client that an authentication <var>challenge</var> has been cancelled. </desc> </method> <method type="void" ovadd="10.2.0" gvadd="1.13.0"> <sel>URLProtocol:</sel> <arg type="NSURLProtocol*">protocol</arg> <sel>didFailWithError:</sel> <arg type="NSError*">error</arg> <desc> Informs a client that loading of a request has failed. </desc> </method> <method type="void" ovadd="10.2.0" gvadd="1.13.0"> <sel>URLProtocol:</sel> <arg type="NSURLProtocol*">protocol</arg> <sel>didLoadData:</sel> <arg type="NSData*">data</arg> <desc> Informs a client that <var>data</var> has been loaded. Only new <var>data</var> since the last call to this method must be provided. </desc> </method> <method type="void" ovadd="10.2.0" gvadd="1.13.0"> <sel>URLProtocol:</sel> <arg type="NSURLProtocol*">protocol</arg> <sel>didReceiveAuthenticationChallenge:</sel> <arg type="NSURLAuthenticationChallenge*">challenge</arg> <desc> Informs a client that an authentication <var>challenge</var> has been received. </desc> </method> <method type="void" ovadd="10.2.0" gvadd="1.13.0"> <sel>URLProtocol:</sel> <arg type="NSURLProtocol*">protocol</arg> <sel>didReceiveResponse:</sel> <arg type="NSURLResponse*">response</arg> <sel>cacheStoragePolicy:</sel> <arg type="NSURLCacheStoragePolicy">policy</arg> <desc> Informs a client that a <var>response</var> for the current load has been created. <br /> Also supplies the <var>policy</var> to be used for caching the <var>response</var>. </desc> </method> <method type="void" ovadd="10.2.0" gvadd="1.13.0"> <sel>URLProtocol:</sel> <arg type="NSURLProtocol*">protocol</arg> <sel>wasRedirectedToRequest:</sel> <arg type="NSURLRequest*">request</arg> <sel>redirectResponse:</sel> <arg type="NSURLResponse*">redirectResponse</arg> <desc> Informs a client that a redirect has occurred. <br /> </desc> </method> <method type="void" ovadd="10.2.0" gvadd="1.13.0"> <sel>URLProtocolDidFinishLoading:</sel> <arg type="NSURLProtocol*">protocol</arg> <desc> Informs a client that loading of a request has successfully finished. </desc> </method> </protocol> </chapter> </body> </gsdoc>