程序包 ohos.global.resource.solidxml

类 TypedAttribute

java.lang.Object

ohos.global.resource.solidxml.TypedAttribute

public abstract class TypedAttribute
extends Object

Represents a wrapper class for Attribute and dereferences an XML attribute value.

从以下版本开始:

3

另请参阅:

Attribute

嵌套类概要

嵌套类

限定符和类型	类	说明
static class	TypedAttribute.AttrData	Defines attribute data, including the name, value, and type of the attribute represented by TypedAttribute.

字段概要

字段

限定符和类型	字段	说明
static int	BOOLEAN_ATTR	Indicates that the type of the XML attribute value is BOOLEAN_ATTR.
static int	COLOR_ATTR	Indicates that the type of the XML attribute value is COLOR_ATTR.
static int	FLOAT_ATTR	Indicates that the type of the XML attribute value is FLOAT_ATTR.
static int	GRAPHIC_ATTR	Indicates that the type of the XML attribute value is GRAPHIC_ATTR.
static int	INTEGER_ATTR	Indicates that the type of the XML attribute value is INTEGER_ATTR.
static int	LAYOUT_ATTR	Indicates that the type of the XML attribute value is LAYOUT_ATTR.
static int	MEDIA_ATTR	Indicates that the type of the XML attribute value is MEDIA_ATTR.
static int	PATTERN_ATTR	Indicates that the type of the XML attribute value is PATTERN_ATTR.
static int	STRING_ATTR	Indicates that the type of the XML attribute value is STRING_ATTR.
static int	UNDEFINED_ATTR	Indicates that the type of the XML attribute value is undefined.

构造器概要

构造器

构造器	说明
TypedAttribute()

方法概要

限定符和类型	方法	说明
static float	computeFloatValue(String original, Configuration config, DeviceCapability devCap)	Calculates the float value represented by the float attribute based on the device configuration and capability.
static int	computePixelValue(String original, Configuration config, DeviceCapability devCap, boolean truncate)	Calculates the pixel value represented by the float attribute based on the device configuration and capability.
static float	computeTranslateRatio(DeviceCapability devCap)	Calculates the conversion rate of the float attribute based on the device capability.
abstract boolean	getBooleanValue()	Obtains the boolean reference value of the XML attribute.
abstract int	getColorValue()	Obtains the color data represented by an integer reference value of the XML attribute.
abstract float	getFloatValue()	Obtains the float reference value of the XML attribute.
abstract int	getIntegerValue()	Obtains the integer reference value of the XML attribute.
abstract SolidXml	getLayoutValue()	Obtains the layout data represented by a SolidXml reference value of the XML attribute.
abstract Resource	getMediaResource()	Obtains the Media attribute represented by the Resource referenced by the XML attribute.
abstract String	getMediaValue()	Obtains the relative path of the media file represented by a string reference value of the XML attribute.
abstract String	getName()	Obtains the tag name of an attribute.
abstract String	getOriginalValue()	Obtains the original value represented by a string reference value of the XML attribute.
abstract String	getParsedValue()	Obtains a string representing the attribute value referenced by the XML attribute.
abstract Pattern	getPatternValue()	Obtains the pattern attributes represented by a Pattern reference value of the XML attribute.
abstract int	getPixelValue(boolean truncate)	Obtains the pixel value represented by the float value referenced by the XML attribute.
abstract int	getResId()	Obtains the resource ID represented by an integer reference value of the XML attribute.
abstract ResourceManager	getResourceManager()	Obtains the resource manager associated with this TypedAttribute.
abstract SolidXml	getStateColorsValue()	Obtains the color data represented by a SolidXml reference value of the XML attribute
abstract String	getStringValue()	Obtains the string reference value of the XML attribute.
abstract int	getType()	Obtains the type of an XML attribute value.

从类继承的方法 java.lang.Object

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

字段详细资料

BOOLEAN_ATTR

public static final int BOOLEAN_ATTR

Indicates that the type of the XML attribute value is BOOLEAN_ATTR.

从以下版本开始:

3

另请参阅:

常量字段值

COLOR_ATTR

public static final int COLOR_ATTR

Indicates that the type of the XML attribute value is COLOR_ATTR.

从以下版本开始:

3

另请参阅:

常量字段值

FLOAT_ATTR

public static final int FLOAT_ATTR

Indicates that the type of the XML attribute value is FLOAT_ATTR.

从以下版本开始:

3

另请参阅:

常量字段值

GRAPHIC_ATTR

public static final int GRAPHIC_ATTR

Indicates that the type of the XML attribute value is GRAPHIC_ATTR.

从以下版本开始:

3

另请参阅:

常量字段值

INTEGER_ATTR

public static final int INTEGER_ATTR

Indicates that the type of the XML attribute value is INTEGER_ATTR.

从以下版本开始:

3

另请参阅:

常量字段值

LAYOUT_ATTR

public static final int LAYOUT_ATTR

Indicates that the type of the XML attribute value is LAYOUT_ATTR.

从以下版本开始:

3

另请参阅:

常量字段值

MEDIA_ATTR

public static final int MEDIA_ATTR

Indicates that the type of the XML attribute value is MEDIA_ATTR.

从以下版本开始:

3

另请参阅:

常量字段值

PATTERN_ATTR

public static final int PATTERN_ATTR

Indicates that the type of the XML attribute value is PATTERN_ATTR.

从以下版本开始:

3

另请参阅:

常量字段值

STRING_ATTR

public static final int STRING_ATTR

Indicates that the type of the XML attribute value is STRING_ATTR.

从以下版本开始:

3

另请参阅:

常量字段值

UNDEFINED_ATTR

public static final int UNDEFINED_ATTR

Indicates that the type of the XML attribute value is undefined.

从以下版本开始:

3

另请参阅:

常量字段值

构造器详细资料

TypedAttribute

public TypedAttribute()

方法详细资料

getType

public abstract int getType()

Obtains the type of an XML attribute value. The type can be UNDEFINED_ATTR, BOOLEAN_ATTR, COLOR_ATTR, FLOAT_ATTR, INTEGER_ATTR, STRING_ATTR, LAYOUT_ATTR, MEDIA_ATTR, PATTERN_ATTR, or GRAPHIC_ATTR.

返回:

Returns the type of the XML attribute value.

getBooleanValue

public abstract boolean getBooleanValue()
                                 throws IOException,
                                        NotExistException,
                                        WrongTypeException

Obtains the boolean reference value of the XML attribute.

返回:

Returns the boolean reference value of the XML attribute.

抛出:

NotExistException - Throws this exception if the obtained value is null or another invalid value.

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

WrongTypeException - Throws this exception if the type of the attribute reference value is not BOOLEAN_ATTR.

getColorValue

public abstract int getColorValue()
                           throws IOException,
                                  NotExistException,
                                  WrongTypeException

Obtains the color data represented by an integer reference value of the XML attribute. The original value of attribute must be in one of the following formats:

#RRGGBB

#AARRGGBB

返回:

Returns an integer reference value representing the color data.

抛出:

NotExistException - Throws this exception if the obtained value is null or another invalid value.

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

WrongTypeException - Throws this exception if the type of the attribute reference value is not COLOR_ATTR.

getStateColorsValue

public abstract SolidXml getStateColorsValue()
                                      throws IOException,
                                             NotExistException,
                                             WrongTypeException

Obtains the color data represented by a SolidXml reference value of the XML attribute

返回:

Returns the color data represented by a SolidXml reference value.

抛出:

NotExistException - Throws this exception if the obtained value is null or another invalid value.

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

WrongTypeException - Throws this exception if the type of the attribute reference value is not COLOR_ATTR.

从以下版本开始:

7

getFloatValue

public abstract float getFloatValue()
                             throws IOException,
                                    NotExistException,
                                    WrongTypeException

Obtains the float reference value of the XML attribute.

返回:

Returns the float reference value of the XML attribute.

抛出:

NotExistException - Throws this exception if the obtained value is null or another invalid value.

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

WrongTypeException - Throws this exception if the type of the attribute reference value is not FLOAT_ATTR.

getIntegerValue

public abstract int getIntegerValue()
                             throws IOException,
                                    NotExistException,
                                    WrongTypeException

Obtains the integer reference value of the XML attribute.

返回:

Returns the integer reference value of the XML attribute.

抛出:

NotExistException - Throws this exception if the obtained value is null or another invalid value.

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

WrongTypeException - Throws this exception if the type of the attribute reference value is not INTEGER_ATTR.

getStringValue

public abstract String getStringValue()
                               throws IOException,
                                      NotExistException,
                                      WrongTypeException

Obtains the string reference value of the XML attribute.

返回:

Returns the string reference value of the XML attribute.

抛出:

NotExistException - Throws this exception if the obtained value is null or another invalid value.

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

WrongTypeException - Throws this exception if the type of the attribute reference value is not STRING_ATTR.

getLayoutValue

public abstract SolidXml getLayoutValue()
                                 throws IOException,
                                        NotExistException,
                                        WrongTypeException

Obtains the layout data represented by a SolidXml reference value of the XML attribute.

返回:

Returns the layout data represented by a SolidXml reference value.

抛出:

NotExistException - Throws this exception if the obtained value is null or another invalid value.

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

WrongTypeException - Throws this exception if the type of the attribute reference value is not LAYOUT_ATTR.

getMediaValue

public abstract String getMediaValue()
                              throws IOException,
                                     NotExistException,
                                     WrongTypeException

Obtains the relative path of the media file represented by a string reference value of the XML attribute.

返回:

Returns a string reference value representing the relative path of the media file.

抛出:

NotExistException - Throws this exception if the obtained value is null or another invalid value.

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

WrongTypeException - Throws this exception if the type of the attribute reference value is not MEDIA_ATTR.

getOriginalValue

public abstract String getOriginalValue()

Obtains the original value represented by a string reference value of the XML attribute.

返回:

Returns a string reference value representing the original value.

getPatternValue

public abstract Pattern getPatternValue()
                                 throws IOException,
                                        NotExistException,
                                        WrongTypeException

Obtains the pattern attributes represented by a Pattern reference value of the XML attribute.

返回:

Returns a Pattern reference value representing the pattern attributes.

抛出:

NotExistException - Throws this exception if the obtained value is null or another invalid value.

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

WrongTypeException - Throws this exception if the type of the attribute reference value is not PATTERN_ATTR.

从以下版本开始:

3

getName

public abstract String getName()

Obtains the tag name of an attribute.

返回:

Returns the tag name of the attribute.

getResId

public abstract int getResId()
                      throws IOException,
                             NotExistException,
                             WrongTypeException

Obtains the resource ID represented by an integer reference value of the XML attribute.

返回:

Returns the resource ID identifying the resource of the XML attribute.

抛出:

NotExistException - Throws this exception if the obtained value is null or another invalid value.

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

WrongTypeException - Throws this exception if the attribute is not a referenced value.

getParsedValue

public abstract String getParsedValue()
                               throws IOException,
                                      NotExistException,
                                      WrongTypeException

Obtains a string representing the attribute value referenced by the XML attribute.

返回:

Returns the string representing the attribute value.

抛出:

NotExistException - Throws this exception if the obtained value is null or another invalid value.

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

WrongTypeException - Throws this exception if the attribute is not a supported referenced value.

从以下版本开始:

5

getResourceManager

public abstract ResourceManager getResourceManager()

Obtains the resource manager associated with this TypedAttribute.

返回:

Returns the resource manager.

从以下版本开始:

5

getMediaResource

public abstract Resource getMediaResource()
                                   throws IOException,
                                          NotExistException,
                                          WrongTypeException

Obtains the Media attribute represented by the Resource referenced by the XML attribute.

返回:

Returns the media file represented by the Resource.

抛出:

NotExistException - Throws this exception if the obtained Resource is null.

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

WrongTypeException - Throws this exception if the type of the attribute is not MEDIA_ATTR.

从以下版本开始:

5

getPixelValue

public abstract int getPixelValue(boolean truncate)
                           throws IOException,
                                  NotExistException,
                                  WrongTypeException

Obtains the pixel value represented by the float value referenced by the XML attribute.

参数:

truncate - Specifies whether the returned result is truncated. The value true indicates that the decimal part of the float value is truncated, and false indicates that the float value is rounded off.

返回:

Returns the pixel value represented by the float value.

抛出:

NotExistException - Throws this exception if the obtained value is null or another invalid value.

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

WrongTypeException - Throws this exception if the type of the attribute is not FLOAT_ATTR.

从以下版本开始:

5

computeTranslateRatio

public static float computeTranslateRatio(DeviceCapability devCap)

Calculates the conversion rate of the float attribute based on the device capability.

参数:

devCap - Indicates the device capability.

返回:

Returns the conversion rate.

从以下版本开始:

5

computePixelValue

public static int computePixelValue(String original,
                                    Configuration config,
                                    DeviceCapability devCap,
                                    boolean truncate)
                             throws WrongTypeException

Calculates the pixel value represented by the float attribute based on the device configuration and capability.

参数:

original - Indicates the string representation of the float attribute.

config - Indicates the device configuration.

devCap - Indicates the device capability.

truncate - Specifies whether the returned result is truncated. The value true indicates that the decimal part of the float value is truncated, and false indicates that the float value is rounded off.

返回:

Returns the pixel value.

抛出:

WrongTypeException - Throws this exception if the input original does not match the float attribute.

从以下版本开始:

5

computeFloatValue

public static float computeFloatValue(String original,
                                      Configuration config,
                                      DeviceCapability devCap)
                               throws WrongTypeException

Calculates the float value represented by the float attribute based on the device configuration and capability.

参数:

original - Indicates the string representation of the float attribute.

config - Indicates the device configuration.

devCap - Indicates the device capability.

返回:

Returns the float value.

抛出:

WrongTypeException - Throws this exception if the input original does not match the float attribute.

从以下版本开始:

5