OFReadOrWriteFailedException Class Reference

An exception indicating that reading from or writing to an object failed. More...

#import <ObjFW/OFReadOrWriteFailedException.h>

Inheritance diagram for OFReadOrWriteFailedException:

Instance Methods
(id)	- initWithObject:requestedLength:
	Initializes an already allocated read or write failed exception. More...
(id)	- initWithObject:requestedLength:errNo:
	Initializes an already allocated read or write failed exception. More...
(id)	- object
	Returns the object from which reading or to which writing failed. More...
(size_t)	- requestedLength
	Returns the requested length of the data that couldn't be read / written. More...
(int)	- errNo
	Returns the errno of the error that occurred. More...
Instance Methods inherited from OFException
(OFString *)	- description
	Returns a description of the exception. More...
(OFArray *)	- backtrace
	Returns a backtrace of when the exception was created or nil if no backtrace is available. More...
Instance Methods inherited from OFObject
(id)	- init
	Initializes an already allocated object. More...
(OFString *)	- className
	Returns the name of the object's class. More...
(void *)	- allocMemoryWithSize:
	Allocates memory and stores it in the object's memory pool. More...
(void *)	- allocMemoryWithSize:count:
	Allocates memory for the specified number of items and stores it in the object's memory pool. More...
(nullable void *)	- resizeMemory:size:
	Resizes memory in the object's memory pool to the specified size. More...
(nullable void *)	- resizeMemory:size:count:
	Resizes memory in the object's memory pool to the specific number of items of the specified size. More...
(void)	- freeMemory:
	Frees allocated memory and removes it from the object's memory pool. More...
(void)	- dealloc
	Deallocates the object. More...
(void)	- performSelector:afterDelay:
	Performs the specified selector after the specified delay. More...
(void)	- performSelector:withObject:afterDelay:
	Performs the specified selector with the specified object after the specified delay. More...
(void)	- performSelector:withObject:withObject:afterDelay:
	Performs the specified selector with the specified objects after the specified delay. More...
(void)	- performSelector:onThread:waitUntilDone:
	Performs the specified selector on the specified thread. More...
(void)	- performSelector:onThread:withObject:waitUntilDone:
	Performs the specified selector on the specified thread with the specified object. More...
(void)	- performSelector:onThread:withObject:withObject:waitUntilDone:
	Performs the specified selector on the specified thread with the specified objects. More...
(void)	- performSelectorOnMainThread:waitUntilDone:
	Performs the specified selector on the main thread. More...
(void)	- performSelectorOnMainThread:withObject:waitUntilDone:
	Performs the specified selector on the main thread with the specified object. More...
(void)	- performSelectorOnMainThread:withObject:withObject:waitUntilDone:
	Performs the specified selector on the main thread with the specified objects. More...
(void)	- performSelector:onThread:afterDelay:
	Performs the specified selector on the specified thread after the specified delay. More...
(void)	- performSelector:onThread:withObject:afterDelay:
	Performs the specified selector on the specified thread with the specified object after the specified delay. More...
(void)	- performSelector:onThread:withObject:withObject:afterDelay:
	Performs the specified selector on the specified thread with the specified objects after the specified delay. More...
(nullable id)	- forwardingTargetForSelector:
	This method is called when resolveClassMethod: or resolveInstanceMethod: returned false. It should return a target to which the message should be forwarded. More...
(void)	- doesNotRecognizeSelector:
	Handles messages which are not understood by the receiver. More...
(OFString *)	- stringBySerializing
	Creates a string by serializing the receiver. More...
Instance Methods inherited from <OFObject>
(bool)	- isKindOfClass:
	Returns a boolean whether the object of the specified kind. More...
(bool)	- isMemberOfClass:
	Returns a boolean whether the object is a member of the specified class. More...
(bool)	- respondsToSelector:
	Returns a boolean whether the object responds to the specified selector. More...
(nullable IMP)	- methodForSelector:
	Returns the implementation for the specified selector. More...
(nullable const char *)	- typeEncodingForSelector:
	Returns the type encoding for the specified selector. More...
(nullable id)	- performSelector:
	Performs the specified selector. More...
(nullable id)	- performSelector:withObject:
	Performs the specified selector with the specified object. More...
(nullable id)	- performSelector:withObject:withObject:
	Performs the specified selector with the specified objects. More...
(bool)	- isEqual:
	Checks two objects for equality. More...
(uint32_t)	- hash
	Calculates a hash for the object. More...
(id)	- retain
	Increases the retain count. More...
(unsigned int)	- retainCount
	Returns the retain count. More...
(void)	- release
	Decreases the retain count. More...
(id)	- autorelease
	Adds the object to the topmost OFAutoreleasePool of the thread's autorelease pool stack. More...
(id)	- self
	Returns the receiver. More...
(bool)	- isProxy
	Returns whether the object is a proxy object. More...

Class Methods
(instancetype)	+ exceptionWithObject:requestedLength:
	Creates a new, autoreleased read or write failed exception. More...
(instancetype)	+ exceptionWithObject:requestedLength:errNo:
	Creates a new, autoreleased read or write failed exception. More...
Class Methods inherited from OFException
(instancetype)	+ exception
	Creates a new, autoreleased exception. More...
Class Methods inherited from OFObject
(void)	+ load
	A method which is called once when the class is loaded into the runtime. More...
(void)	+ unload
	A method which is called when the class is unloaded from the runtime. More...
(void)	+ initialize
	A method which is called the moment before the first call to the class is being made. More...
(id)	+ alloc
	Allocates memory for an instance of the class and sets up the memory pool for the object. More...
(id)	+ new
	Allocates memory for a new instance and calls init on it. More...
(Class)	+ class
	Returns the class. More...
(OFString *)	+ className
	Returns the name of the class as a string. More...
(bool)	+ isSubclassOfClass:
	Returns a boolean whether the class is a subclass of the specified class. More...
(Class)	+ superclass
	Returns the superclass of the class. More...
(bool)	+ instancesRespondToSelector:
	Checks whether instances of the class respond to a given selector. More...
(bool)	+ conformsToProtocol:
	Checks whether the class conforms to a given protocol. More...
(nullable IMP)	+ instanceMethodForSelector:
	Returns the implementation of the instance method for the specified selector. More...
(nullable const char *)	+ typeEncodingForInstanceSelector:
	Returns the type encoding of the instance method for the specified selector. More...
(nullable IMP)	+ replaceClassMethod:withMethodFromClass:
	Replaces a class method with a class method from another class. More...
(nullable IMP)	+ replaceInstanceMethod:withMethodFromClass:
	Replaces an instance method with an instance method from another class. More...
(nullable IMP)	+ replaceClassMethod:withImplementation:typeEncoding:
	Replaces or adds a class method. More...
(nullable IMP)	+ replaceInstanceMethod:withImplementation:typeEncoding:
	Replaces or adds an instance method. More...
(void)	+ inheritMethodsFromClass:
	Adds all methods from the specified class to the class that is the receiver. More...
(bool)	+ resolveClassMethod:
	Try to resolve the specified class method. More...
(bool)	+ resolveInstanceMethod:
	Try to resolve the specified instance method. More...
(id)	+ copy
	Returns the class. More...

Detailed Description

An exception indicating that reading from or writing to an object failed.

Method Documentation

- (int) errNo

Returns the errno of the error that occurred.

Returns

The errno of the error that occurred

+ (instancetype) exceptionWithObject:		(id)	object
requestedLength:		(size_t)	requestedLength

Creates a new, autoreleased read or write failed exception.

Parameters

object	The object from which reading or to which writing failed
requestedLength	The requested length of the data that couldn't be read / written

Returns

A new, autoreleased read or write failed exception

+ (instancetype) exceptionWithObject:		(id)	object
requestedLength:		(size_t)	requestedLength
errNo:		(int)	errNo

Creates a new, autoreleased read or write failed exception.

Parameters

object	The object from which reading or to which writing failed
requestedLength	The requested length of the data that couldn't be read / written
errNo	The errno of the error that occurred

Returns

A new, autoreleased read or write failed exception

- (id) initWithObject:		(id)	object
requestedLength:		(size_t)	requestedLength

Initializes an already allocated read or write failed exception.

Parameters

object	The object from which reading or to which writing failed
requestedLength	The requested length of the data that couldn't be read / written

Returns

A new open file failed exception

- (id) initWithObject:		(id)	object
requestedLength:		(size_t)	requestedLength
errNo:		(int)	errNo

Initializes an already allocated read or write failed exception.

Parameters

object	The object from which reading or to which writing failed
requestedLength	The requested length of the data that couldn't be read / written
errNo	The errno of the error that occurred

Returns

A new open file failed exception

- (id) object

Returns the object from which reading or to which writing failed.

Returns

The stream which caused the read or write failed exception

- (size_t) requestedLength

Returns the requested length of the data that couldn't be read / written.

Returns

The requested length of the data that couldn't be read / written

---

The documentation for this class was generated from the following files:

• src/exceptions/OFReadOrWriteFailedException.h
• src/exceptions/OFReadOrWriteFailedException.m