javax.xml.bind.annotation

## Annotation Type XmlEnumValue

-     @Retention(value=RUNTIME)
       @Target(value=FIELD)
      public @interface XmlEnumValue

  Maps an enum constant in `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 `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, `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

- - ### Required Element Summary

    Required Elements
    Modifier and Type | Required Element and Description
    --- | ---
    `String` | `value`

- - ### Element Detail

    - #### value

          public abstract String value

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