程序包 ohos.aafwk.ability

类 DataUriUtils

java.lang.Object

ohos.aafwk.ability.DataUriUtils

public class DataUriUtils
extends Object

A utility class used for handling Uri objects that use the dataability scheme.

从以下版本开始:

3

另请参阅:

Uri

SystemCapability

SystemCapability.Aafwk#ABILITY

构造器概要

构造器

构造器	说明
DataUriUtils()

方法概要

限定符和类型	方法	说明
static Uri	attachId(Uri dataUri, long id)	Attaches the given ID to the end of the path component of the given URI.
static Uri	deleteId(Uri dataUri)	Deletes the ID from the end of the path component of the given URI.
static long	getId(Uri dataUri)	Obtains the ID attached to the end of the path component of the given URI.
static Uri	updateId(Uri dataUri, long id)	Updates the ID in the specified dataUri.

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

DataUriUtils

public DataUriUtils()

方法详细资料

getId

public static long getId(Uri dataUri)

Obtains the ID attached to the end of the path component of the given URI.

参数:

dataUri - Indicates the Uri object from which the ID is to be obtained.

返回:

Returns the ID attached to the end of the path component; returns -1 if the given dataUri does not contain a path component.

抛出:

NumberFormatException - Throws this exception if the last segment of the path component is not a number.

IllegalArgumentException - Throws this exception if dataUri is null.

从以下版本开始:

3

attachId

public static Uri attachId(Uri dataUri,
                           long id)

Attaches the given ID to the end of the path component of the given URI.

参数:

dataUri - Indicates the Uri object to which the ID is to be attached.

id - Indicates the ID to attach.

返回:

Returns the Uri object with the given ID attached.

抛出:

IllegalArgumentException - Throws this exception if the uri is illegal

从以下版本开始:

3

deleteId

public static Uri deleteId(Uri dataUri)

Deletes the ID from the end of the path component of the given URI.

参数:

dataUri - Indicates the Uri object from which the ID is to be deleted.

返回:

Returns the Uri object with the ID deleted.

抛出:

IllegalArgumentException - Throws this exception if dataUri is null or does not contain a path component.

NumberFormatException - Throws this exception if the last segment of the path component is not a number.

从以下版本开始:

3

updateId

public static Uri updateId(Uri dataUri,
                           long id)

Updates the ID in the specified dataUri.

参数:

dataUri - Indicates the Uri object to be updated.

id - Indicates the new ID.

返回:

Returns the updated Uri object.

抛出:

IllegalArgumentException - Throws this exception if the format of the specified dataUri is incorrect.

NumberFormatException - Throws this exception if the last segment of the path in the specified dataUri is not a number.

从以下版本开始:

4