spinjar.javax.xml.bind.annotation.XmlEnumValue Maven / Gradle / Ivy
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package javax.xml.bind.annotation;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import static java.lang.annotation.ElementType.FIELD;
/**
* Maps an enum constant in {@link Enum} type to XML representation.
*
* Usage
*
* The @XmlEnumValue annotation can be used with the
* following program elements:
*
* - enum constant
*
*
* See "Package Specification" in javax.xml.bind.package javadoc for
* additional common information.
*
* This annotation, together with {@link XmlEnum} provides a
* mapping of enum type to XML representation.
*
*
An enum type is mapped to a schema simple type with enumeration
* facets. The schema type is derived from the Java type specified in
* @XmlEnum.value(). Each enum constant @XmlEnumValue
* must have a valid lexical representation for the type
* @XmlEnum.value()
*
*
In the absence of this annotation, {@link Enum#name()} is used
* as the XML representation.
*
*
Example 1: Map enum constant name -> enumeration facet
*
* //Example: Code fragment
* @XmlEnum(String.class)
* public enum Card { CLUBS, DIAMONDS, HEARTS, SPADES }
*
* <!-- Example: XML Schema fragment -->
* <xs:simpleType name="Card">
* <xs:restriction base="xs:string"/>
* <xs:enumeration value="CLUBS"/>
* <xs:enumeration value="DIAMONDS"/>
* <xs:enumeration value="HEARTS"/>
* <xs:enumeration value="SPADES"/>
* </xs:simpleType>
*
*
* Example 2: Map enum constant name(value) -> enumeration facet
*
* //Example: code fragment
* @XmlType
* @XmlEnum(Integer.class)
* public enum Coin {
* @XmlEnumValue("1") PENNY(1),
* @XmlEnumValue("5") NICKEL(5),
* @XmlEnumValue("10") DIME(10),
* @XmlEnumValue("25") QUARTER(25) }
*
* <!-- Example: XML Schema fragment -->
* <xs:simpleType name="Coin">
* <xs:restriction base="xs:int">
* <xs:enumeration value="1"/>
* <xs:enumeration value="5"/>
* <xs:enumeration value="10"/>
* <xs:enumeration value="25"/>
* </xs:restriction>
* </xs:simpleType>
*
*
* Example 3: Map enum constant name -> enumeration facet
*
*
* //Code fragment
* @XmlType
* @XmlEnum(Integer.class)
* public enum Code {
* @XmlEnumValue("1") ONE,
* @XmlEnumValue("2") TWO;
* }
*
* <!-- Example: XML Schema fragment -->
* <xs:simpleType name="Code">
* <xs:restriction base="xs:int">
* <xs:enumeration value="1"/>
* <xs:enumeration value="2"/>
* </xs:restriction>
* </xs:simpleType>
*
*
* @since JAXB 2.0
*/
@Retention(RUNTIME)
@Target({FIELD})
public @interface XmlEnumValue {
String value();
}