程序包 ohos.data.distributed.file

类 DistFiles

java.lang.Object

ohos.data.distributed.file.DistFiles

已过时。

This change is effective since API version 6. This class conflicts with the sandbox design. You are discouraged from using them. This class will be deleted in a future release.

@Deprecated
public class DistFiles
extends Object

Provides methods for the file manager to perform operations on distributed files or directories.

从以下版本开始:

3

构造器概要

构造器

构造器	说明
DistFiles()	已过时。

方法概要

限定符和类型	方法	说明
static boolean	copy(DistFile src, DistFile dst)	已过时。
static DistAgentFile	createAgentFile(String path, String target)	已过时。
static DistAgentFile	createAgentFile(String path, String target, String targetDevice)	已过时。
static DistFile	createFile(String path)	已过时。
static DistLinkFile	createLinkFile(String path, String target)	已过时。
static boolean	delete(String path)	已过时。
static boolean	delete(DistFile file)	已过时。
static boolean	isSupported()	已过时。
static boolean	move(DistFile src, DistFile dst)	已过时。

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

DistFiles

@Deprecated
public DistFiles()

已过时。

方法详细资料

isSupported

@Deprecated
public static boolean isSupported()

已过时。

Checks whether DistFiles is supported on current device.

返回:

Returns true if DistFiles is supported on current device; returns false otherwise.

从以下版本开始:

3

createFile

@Deprecated
public static DistFile createFile(String path)
                           throws IOException

已过时。

Creates an empty distributed file denoted by the specified abstract pathname.

This method first checks whether the distributed file denoted by the specified abstract pathname already exists.

参数:

path - Indicates the pathname of the distributed file to create.

返回:

Returns the distributed file if it does not exist and is created successfully; returns null otherwise.

抛出:

IOException - Throws this exception if an I/O error occurs.

从以下版本开始:

3

createLinkFile

@Deprecated
public static DistLinkFile createLinkFile(String path,
                                          String target)
                                   throws IOException

已过时。

Creates an empty link file denoted by the specified abstract pathname for a distributed file.

This method first checks whether the link file denoted by the specified abstract pathname already exists.

参数:

path - Indicates the pathname of the source distributed file.

target - Indicates the pathname of the link file to create.

返回:

Returns the link file if it does not exist and is created successfully; returns null otherwise.

抛出:

IOException - Throws this exception if an I/O error occurs.

从以下版本开始:

3

createAgentFile

@Deprecated
public static DistAgentFile createAgentFile(String path,
                                            String target)
                                     throws IOException

已过时。

Creates an empty agent file denoted by the specified abstract pathname for a distributed file.

This method first checks whether the agent file denoted by the specified abstract pathname already exists.

参数:

path - Indicates the pathname of the source distributed file.

target - Indicates the pathname of the agent file to create.

返回:

Returns the agent file if it does not exist and is created successfully; returns null otherwise.

抛出:

IOException - Throws this exception if an I/O error occurs.

从以下版本开始:

3

createAgentFile

@Deprecated
public static DistAgentFile createAgentFile(String path,
                                            String target,
                                            String targetDevice)
                                     throws IOException

已过时。

Creates an empty agent file denoted by the specified abstract pathname for a distributed file on the specified remote device.

This method first checks whether the agent file denoted by the specified abstract pathname already exists on the specified remote device.

参数:

path - Indicates the pathname of the source distributed file.

target - Indicates the pathname of the agent file to create.

targetDevice - Indicates the remote device on which the agent file is to be created.

返回:

Returns the agent file if it does not exist and is created successfully; returns null otherwise.

抛出:

IOException - Throws this exception if an I/O error occurs.

从以下版本开始:

3

delete

@Deprecated
public static boolean delete(String path)

已过时。

Deletes the link file, agent file, or empty directory denoted by the specified abstract pathname.

The source distributed file of an agent file will also be deleted, while that of a link file will not.

参数:

path - Indicates the pathname of the file or directory to delete.

返回:

Returns true if the file or directory is deleted; returns false otherwise.

从以下版本开始:

3

delete

@Deprecated
public static boolean delete(DistFile file)

已过时。

Deletes the distributed file or empty directory denoted by the specified abstract pathname.

参数:

file - Indicates the distributed file or empty directory to delete.

返回:

Returns true if the file or directory is deleted; returns false otherwise.

从以下版本开始:

3

copy

@Deprecated
public static boolean copy(DistFile src,
                           DistFile dst)
                    throws IOException

已过时。

Copies the content of a distributed file to another.

This method supports cross-device copying.

参数:

src - Indicates the source distributed file.

dst - Indicates the target distributed file.

返回:

Returns true if the content is successfully copied to the target file; returns false otherwise.

抛出:

IOException - Throws this exception if an I/O error occurs.

从以下版本开始:

3

move

@Deprecated
public static boolean move(DistFile src,
                           DistFile dst)
                    throws IOException

已过时。

Moves a distributed file from a path to another.

参数:

src - Indicates the source path.

dst - Indicates the target path.

返回:

Returns true if the distributed file is successfully moved to the target path; returns false otherwise.

抛出:

IOException - Throws this exception if an I/O error occurs.

从以下版本开始:

3