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| <h2 title="Annotation Type XmlEnumValue" class="title">Annotation Type XmlEnumValue</h2> |
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| <pre>@Retention(value=RUNTIME) |
| @Target(value=FIELD) |
| public @interface <span class="memberNameLabel">XmlEnumValue</span></pre> |
| <div class="block">Maps an enum constant in <code>Enum</code> type to XML representation. |
| |
| <p> <b>Usage</b> </p> |
| |
| <p> The <code>@XmlEnumValue</code> annotation can be used with the |
| following program elements: |
| <ul> |
| <li>enum constant</li> |
| </ul> |
| |
| <p>See "Package Specification" in jakarta.xml.bind.package javadoc for |
| additional common information.</p> |
| |
| <p>This annotation, together with <a href="../../../../jakarta/xml/bind/annotation/XmlEnum.html" title="annotation in jakarta.xml.bind.annotation"><code>XmlEnum</code></a> provides a |
| mapping of enum type to XML representation. |
| |
| <p>An enum type is mapped to a schema simple type with enumeration |
| facets. The schema type is derived from the Java type specified in |
| <code>@XmlEnum.value()</code>. Each enum constant <code>@XmlEnumValue</code> |
| must have a valid lexical representation for the type |
| <code>@XmlEnum.value()</code> |
| |
| <p> In the absence of this annotation, <code>Enum.name()</code> is used |
| as the XML representation. |
| |
| <p> <b>Example 1: </b>Map enum constant name -> enumeration facet</p> |
| <pre> |
| //Example: Code fragment |
| @XmlEnum(String.class) |
| public enum Card { CLUBS, DIAMONDS, HEARTS, SPADES } |
| <code> |
| |
| <!-- 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> |
| </code></pre> |
| |
| <p><b>Example 2: </b>Map enum constant name(value) -> enumeration facet </p> |
| <pre> |
| //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) } |
| <code> |
| |
| <!-- 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> |
| </code></pre> |
| |
| <p><b>Example 3: </b>Map enum constant name -> enumeration facet </p> |
| |
| <pre> |
| //Code fragment |
| @XmlType |
| @XmlEnum(Integer.class) |
| public enum Code { |
| @XmlEnumValue("1") ONE, |
| @XmlEnumValue("2") TWO; |
| } |
| <code> |
| |
| <!-- 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> |
| </code></pre></div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.6, JAXB 2.0</dd> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Required Element and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../jakarta/xml/bind/annotation/XmlEnumValue.html#value--">value</a></span></code> </td> |
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| <pre>public abstract java.lang.String value</pre> |
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