Package io.kojan.xml

Class Attribute<EnclosingType,EnclosingBean,AttributeType>

java.lang.Object

io.kojan.xml.Property<EnclosingType,EnclosingBean,AttributeType>

io.kojan.xml.Attribute<EnclosingType,EnclosingBean,AttributeType>

Type Parameters:

EnclosingType - data type of entity

EnclosingBean - type of bean associated with the entity

AttributeType - data type of attribute value

public class Attribute<EnclosingType,EnclosingBean,AttributeType>
extends Property<EnclosingType,EnclosingBean,AttributeType>

Attribute of an Entity. A simple Property with text representation.

Attribute values have a specified Java type. There are Converters that allow to convert attribute values to and from their text (String) representation.

When stored in XML form, an attribute is represented by a XML element with specified tag. Text content of the element specifies property value.

Author:

Mikolaj Izdebski

Constructor Summary

Constructors

Constructor	Description
Attribute(String tag, Getter<EnclosingType,Iterable<AttributeType>> getter, Setter<EnclosingBean,AttributeType> setter, Converter<AttributeType,String> toStringConverter, Converter<String,AttributeType> fromStringConverter, boolean optional, boolean unique)	Creates an attribute of an entity.

Method Summary

Modifier and Type	Method	Description
protected void	dump(XMLDumper dumper, AttributeType value)	Serializes the property into XML format, using given XMLDumper.
static <Type, Bean, AttributeType> Attribute<Type,Bean,AttributeType>	of(String tag, Getter<Type,AttributeType> getter, Setter<Bean,AttributeType> setter, Converter<AttributeType,String> toStringConverter, Converter<String,AttributeType> fromStringConverter)	Creates a unique, non-optional attribute.
static <Type, Bean> Attribute<Type,Bean,String>	of(String tag, Getter<Type,String> getter, Setter<Bean,String> setter)	Creates a unique, non-optional String attribute.
static <Type, Bean, AttributeType> Attribute<Type,Bean,AttributeType>	ofMulti(String tag, Getter<Type,Iterable<AttributeType>> getter, Setter<Bean,AttributeType> setter, Converter<AttributeType,String> toStringConverter, Converter<String,AttributeType> fromStringConverter)	Creates a non-unique, optional attribute.
static <Type, Bean> Attribute<Type,Bean,String>	ofMulti(String tag, Getter<Type,Iterable<String>> getter, Setter<Bean,String> setter)	Creates a non-unique, optional String attribute.
static <Type, Bean, AttributeType> Attribute<Type,Bean,AttributeType>	ofOptional(String tag, Getter<Type,AttributeType> getter, Setter<Bean,AttributeType> setter, Converter<AttributeType,String> toStringConverter, Converter<String,AttributeType> fromStringConverter)	Creates a unique, optional attribute.
static <Type, Bean> Attribute<Type,Bean,String>	ofOptional(String tag, Getter<Type,String> getter, Setter<Bean,String> setter)	Creates a unique, optional String attribute.
protected AttributeType	parse(XMLParser parser)	Deserializes the property from XML format, using given XMLParser.

Methods inherited from class io.kojan.xml.Property

getGetter, getSetter, getTag, isOptional, isUnique

Methods inherited from class java.lang.Object

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

Constructor Details

Attribute

public Attribute(String tag,
 Getter<EnclosingType,Iterable<AttributeType>> getter,
 Setter<EnclosingBean,AttributeType> setter,
 Converter<AttributeType,String> toStringConverter,
 Converter<String,AttributeType> fromStringConverter,
 boolean optional,
 boolean unique)

Creates an attribute of an entity.

Parameters:

tag - XML element tag name used to serialize the attribute in XML form (see Property.getTag())

getter - attribute getter method

setter - attribute setter method

toStringConverter - function that converts attribute value into a text form

fromStringConverter - function that converts attribute value from a text form

optional - whether the attribute is optional (see Property.isOptional())

unique - whether the attribute is unique (see Property.isUnique())

Method Details

of

public static <Type,
Bean>
Attribute<Type,Bean,String> of(String tag,
 Getter<Type,String> getter,
 Setter<Bean,String> setter)

Creates a unique, non-optional String attribute.

Type Parameters:

Type - data type of entity

Bean - type of bean associated with the entity

Parameters:

tag - attribute XML tag name

getter - entity bean getter method that returns value of the attribute

setter - entity bean setter method that returns value of the attribute

Returns:

created attribute

of

public static <Type,
Bean,
AttributeType>
Attribute<Type,Bean,AttributeType> of(String tag,
 Getter<Type,AttributeType> getter,
 Setter<Bean,AttributeType> setter,
 Converter<AttributeType,String> toStringConverter,
 Converter<String,AttributeType> fromStringConverter)

Creates a unique, non-optional attribute.

Type Parameters:

Type - data type of entity

Bean - type of bean associated with the entity

AttributeType - type of attribute value

Parameters:

tag - attribute XML tag name

getter - entity bean getter method that returns value of the attribute

setter - entity bean setter method that returns value of the attribute

toStringConverter - function that converts attribute value into a text form

fromStringConverter - function that converts attribute value from a text form

Returns:

created attribute

ofOptional

public static <Type,
Bean>
Attribute<Type,Bean,String> ofOptional(String tag,
 Getter<Type,String> getter,
 Setter<Bean,String> setter)

Creates a unique, optional String attribute.

Type Parameters:

Type - data type of entity

Bean - type of bean associated with the entity

Parameters:

tag - attribute XML tag name

getter - entity bean getter method that returns value of the attribute

setter - entity bean setter method that returns value of the attribute

Returns:

created attribute

ofOptional

public static <Type,
Bean,
AttributeType>
Attribute<Type,Bean,AttributeType> ofOptional(String tag,
 Getter<Type,AttributeType> getter,
 Setter<Bean,AttributeType> setter,
 Converter<AttributeType,String> toStringConverter,
 Converter<String,AttributeType> fromStringConverter)

Creates a unique, optional attribute.

Type Parameters:

Type - data type of entity

Bean - type of bean associated with the entity

AttributeType - type of attribute value

Parameters:

tag - attribute XML tag name

getter - entity bean getter method that returns value of the attribute

setter - entity bean setter method that returns value of the attribute

toStringConverter - function that converts attribute value into a text form

fromStringConverter - function that converts attribute value from a text form

Returns:

created attribute

ofMulti

public static <Type,
Bean>
Attribute<Type,Bean,String> ofMulti(String tag,
 Getter<Type,Iterable<String>> getter,
 Setter<Bean,String> setter)

Creates a non-unique, optional String attribute.

Type Parameters:

Type - data type of entity

Bean - type of bean associated with the entity

Parameters:

tag - attribute XML tag name

getter - entity bean getter method that returns value of the attribute

setter - entity bean setter method that returns value of the attribute

Returns:

created attribute

ofMulti

public static <Type,
Bean,
AttributeType>
Attribute<Type,Bean,AttributeType> ofMulti(String tag,
 Getter<Type,Iterable<AttributeType>> getter,
 Setter<Bean,AttributeType> setter,
 Converter<AttributeType,String> toStringConverter,
 Converter<String,AttributeType> fromStringConverter)

Creates a non-unique, optional attribute.

Type Parameters:

Type - data type of entity

Bean - type of bean associated with the entity

AttributeType - type of attribute value

Parameters:

tag - attribute XML tag name

getter - entity bean getter method that returns value of the attribute

setter - entity bean setter method that returns value of the attribute

toStringConverter - function that converts attribute value into a text form

fromStringConverter - function that converts attribute value from a text form

Returns:

created attribute

dump

protected void dump(XMLDumper dumper,
 AttributeType value)
             throws XMLException

Description copied from class: Property

Serializes the property into XML format, using given XMLDumper.

Specified by:

dump in class Property<EnclosingType,EnclosingBean,AttributeType>

Parameters:

dumper - the sink to serialize data to

value - property value to serialize

Throws:

XMLException - in case exception occurs during XML serialization

parse

protected AttributeType parse(XMLParser parser)
                       throws XMLException

Description copied from class: Property

Deserializes the property from XML format, using given XMLParser.

Specified by:

parse in class Property<EnclosingType,EnclosingBean,AttributeType>

Parameters:

parser - the source to deserialize data from

Returns:

deserialized property value

Throws:

XMLException - in case exception occurs during XML deserialization