FileSystemException

public class FileSystemException
extends IOException

java.lang.Object
   ↳ java.lang.Throwable
     ↳ java.lang.Exception
       ↳ java.io.IOException
         ↳ java.nio.file.FileSystemException
AccessDeniedException Checked exception thrown when a file system operation is denied, typically due to a file permission or other access check. 
AtomicMoveNotSupportedException Checked exception thrown when a file cannot be moved as an atomic file system operation. 
DirectoryNotEmptyException Checked exception thrown when a file system operation fails because a directory is not empty. 
FileAlreadyExistsException Checked exception thrown when an attempt is made to create a file or directory and a file of that name already exists. 
FileSystemLoopException Checked exception thrown when a file system loop, or cycle, is encountered. 
NoSuchFileException Checked exception thrown when an attempt is made to access a file that does not exist. 
NotDirectoryException Checked exception thrown when a file system operation, intended for a directory, fails because the file is not a directory. 
NotLinkException Checked exception thrown when a file system operation fails because a file is not a symbolic link. 


Thrown when a file system operation fails on one or two files. This class is the general class for file system exceptions.

Summary

Public constructors

FileSystemException(String file)

Constructs an instance of this class.

FileSystemException(String file, String other, String reason)

Constructs an instance of this class.

Public methods

String getFile()

Returns the file used to create this exception.

String getMessage()

Returns the detail message string.

String getOtherFile()

Returns the other file used to create this exception.

String getReason()

Returns the string explaining why the file system operation failed.

Inherited methods

final void addSuppressed(Throwable exception)

Appends the specified exception to the exceptions that were suppressed in order to deliver this exception.

Throwable fillInStackTrace()

Fills in the execution stack trace.

Throwable getCause()

Returns the cause of this throwable or null if the cause is nonexistent or unknown.

String getLocalizedMessage()

Creates a localized description of this throwable.

String getMessage()

Returns the detail message string of this throwable.

StackTraceElement[] getStackTrace()

Provides programmatic access to the stack trace information printed by printStackTrace().

final Throwable[] getSuppressed()

Returns an array containing all of the exceptions that were suppressed, typically by the try-with-resources statement, in order to deliver this exception.

Throwable initCause(Throwable cause)

Initializes the cause of this throwable to the specified value.

void printStackTrace()

Prints this throwable and its backtrace to the standard error stream.

void printStackTrace(PrintWriter s)

Prints this throwable and its backtrace to the specified print writer.

void printStackTrace(PrintStream s)

Prints this throwable and its backtrace to the specified print stream.

void setStackTrace(StackTraceElement[] stackTrace)

Sets the stack trace elements that will be returned by getStackTrace() and printed by printStackTrace() and related methods.

String toString()

Returns a short description of this throwable.

Object clone()

Creates and returns a copy of this object.

boolean equals(Object obj)

Indicates whether some other object is "equal to" this one.

void finalize()

Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.

final Class<?> getClass()

Returns the runtime class of this Object.

int hashCode()

Returns a hash code value for the object.

final void notify()

Wakes up a single thread that is waiting on this object's monitor.

final void notifyAll()

Wakes up all threads that are waiting on this object's monitor.

String toString()

Returns a string representation of the object.

final void wait(long timeoutMillis, int nanos)

Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

final void wait(long timeoutMillis)

Causes the current thread to wait until it is awakened, typically by being notified or interrupted, or until a certain amount of real time has elapsed.

final void wait()

Causes the current thread to wait until it is awakened, typically by being notified or interrupted.

Public constructors

FileSystemException

Added in API level 26
public FileSystemException (String file)

Constructs an instance of this class. This constructor should be used when an operation involving one file fails and there isn't any additional information to explain the reason.

Parameters
file String: a string identifying the file or null if not known.

FileSystemException

Added in API level 26
public FileSystemException (String file, 
                String other, 
                String reason)

Constructs an instance of this class. This constructor should be used when an operation involving two files fails, or there is additional information to explain the reason.

Parameters
file String: a string identifying the file or null if not known.

other String: a string identifying the other file or null if there isn't another file or if not known

reason String: a reason message with additional information or null

Public methods

getFile

Added in API level 26
public String getFile ()

Returns the file used to create this exception.

Returns
String the file (can be null)

getMessage

Added in API level 26
public String getMessage ()

Returns the detail message string.

Returns
String the detail message string of this Throwable instance (which may be null).

getOtherFile

Added in API level 26
public String getOtherFile ()

Returns the other file used to create this exception.

Returns
String the other file (can be null)

getReason

Added in API level 26
public String getReason ()

Returns the string explaining why the file system operation failed.

Returns
String the string explaining why the file system operation failed