Defines the standard open options.
Inherited Method Summary
Returns true if the specified object is equal to this enum constant.
enum classes cannot have finalize methods.
Returns the Class object corresponding to this enum constant's enum type.
Returns a hash code for this enum constant.
Returns the name of this enum constant, exactly as declared in its enum declaration.
Returns the ordinal of this enumeration constant (its position in its enum declaration, where the initial constant is assigned an ordinal of zero).
Returns the name of this enum constant, as contained in the declaration.
|static <T extends Enum<T>> T||
valueOf(Class<T> enumType, String name)
Returns the enum constant of the specified enum type with the specified name.
wait(long arg0, int arg1)
public static final StandardOpenOption APPEND
If the file is opened for
WRITE access then bytes will be written
to the end of the file rather than the beginning.
If the file is opened for write access by other programs, then it is file system specific if writing to the end of the file is atomic.
public static final StandardOpenOption CREATE
Create a new file if it does not exist.
This option is ignored if the
CREATE_NEW option is also set.
The check for the existence of the file and the creation of the file
if it does not exist is atomic with respect to other file system
public static final StandardOpenOption CREATE_NEW
Create a new file, failing if the file already exists. The check for the existence of the file and the creation of the file if it does not exist is atomic with respect to other file system operations.
public static final StandardOpenOption DELETE_ON_CLOSE
Delete on close. When this option is present then the implementation
makes a best effort attempt to delete the file when closed
by the appropriate
close method. If the
close method is
not invoked then a best effort attempt is made to delete the
file when the Java virtual machine terminates (either normally, as
defined by the Java Language Specification, or where possible, abnormally).
This option is primarily intended for use with work files that
are used solely by a single instance of the Java virtual machine. This
option is not recommended for use when opening files that are open
concurrently by other entities. Many of the details as to when and how
the file is deleted are implementation specific and therefore not
specified. In particular, an implementation may be unable to guarantee
that it deletes the expected file when replaced by an attacker while the
file is open. Consequently, security sensitive applications should take
care when using this option.
For security reasons, this option may imply the
NOFOLLOW_LINKS option. In other words, if the option is present
when opening an existing file that is a symbolic link then it may fail
public static final StandardOpenOption DSYNC
Requires that every update to the file's content be written synchronously to the underlying storage device.
public static final StandardOpenOption READ
Open for read access.
public static final StandardOpenOption SPARSE
Sparse file. When used with the
CREATE_NEW option then this
option provides a hint that the new file will be sparse. The
option is ignored when the file system does not support the creation of
public static final StandardOpenOption SYNC
Requires that every update to the file's content or metadata be written synchronously to the underlying storage device.
public static final StandardOpenOption TRUNCATE_EXISTING
public static final StandardOpenOption WRITE
Open for write access.