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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">jakarta.xml.bind.annotation</a></div> |
| <h2 title="Annotation Type XmlValue" class="title">Annotation Type XmlValue</h2> |
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| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/Retention.html?is-external=true" title="class or interface in java.lang.annotation" class="externalLink">@Retention</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/RetentionPolicy.html?is-external=true#RUNTIME" title="class or interface in java.lang.annotation" class="externalLink">RUNTIME</a>) |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/Target.html?is-external=true" title="class or interface in java.lang.annotation" class="externalLink">@Target</a>({<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/ElementType.html?is-external=true#FIELD" title="class or interface in java.lang.annotation" class="externalLink">FIELD</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/ElementType.html?is-external=true#METHOD" title="class or interface in java.lang.annotation" class="externalLink">METHOD</a>}) |
| public @interface <span class="memberNameLabel">XmlValue</span></pre> |
| <div class="block"><p> |
| Enables mapping a class to a XML Schema complex type with a |
| simpleContent or a XML Schema simple type. |
| </p> |
| |
| <p> |
| <b> Usage: </b> |
| <p> |
| The <code>@XmlValue</code> annotation can be used with the following program |
| elements: |
| <ul> |
| <li> a JavaBean property.</li> |
| <li> non static, non transient field.</li> |
| </ul> |
| |
| <p>See "Package Specification" in jakarta.xml.bind.package javadoc for |
| additional common information.</p> |
| |
| The usage is subject to the following usage constraints: |
| <ul> |
| <li>At most one field or property can be annotated with the |
| <code>@XmlValue</code> annotation. </li> |
| |
| <li><code>@XmlValue</code> can be used with the following |
| annotations: <a href="XmlList.html" title="annotation in jakarta.xml.bind.annotation"><code>XmlList</code></a>. However this is redundant since |
| <a href="XmlList.html" title="annotation in jakarta.xml.bind.annotation"><code>XmlList</code></a> maps a type to a simple schema type that derives by |
| list just as <a href="XmlValue.html" title="annotation in jakarta.xml.bind.annotation"><code>XmlValue</code></a> would. </li> |
| |
| <li>If the type of the field or property is a collection type, |
| then the collection item type must map to a simple schema |
| type. </li> |
| |
| <li>If the type of the field or property is not a collection |
| type, then the type must map to a XML Schema simple type. </li> |
| |
| </ul> |
| <p> |
| If the annotated JavaBean property is the sole class member being |
| mapped to XML Schema construct, then the class is mapped to a |
| simple type. |
| |
| If there are additional JavaBean properties (other than the |
| JavaBean property annotated with <code>@XmlValue</code> annotation) |
| that are mapped to XML attributes, then the class is mapped to a |
| complex type with simpleContent. |
| </p> |
| |
| <p> <b> Example 1: </b> Map a class to XML Schema simpleType</p> |
| |
| <pre> |
| |
| // Example 1: Code fragment |
| public class USPrice { |
| @XmlValue |
| public java.math.BigDecimal price; |
| } |
| <code> |
| |
| <!-- Example 1: XML Schema fragment --> |
| <xs:simpleType name="USPrice"> |
| <xs:restriction base="xs:decimal"/> |
| </xs:simpleType> |
| |
| </code></pre> |
| |
| <p><b> Example 2: </b> Map a class to XML Schema complexType with |
| with simpleContent.</p> |
| |
| <pre> |
| |
| // Example 2: Code fragment |
| public class InternationalPrice { |
| @XmlValue |
| public java.math.BigDecimal price; |
| |
| @XmlAttribute |
| public String currency; |
| } |
| <code> |
| |
| <!-- Example 2: XML Schema fragment --> |
| <xs:complexType name="InternationalPrice"> |
| <xs:simpleContent> |
| <xs:extension base="xs:decimal"> |
| <xs:attribute name="currency" type="xs:string"/> |
| </xs:extension> |
| </xs:simpleContent> |
| </xs:complexType> |
| |
| </code></pre></div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="XmlType.html" title="annotation in jakarta.xml.bind.annotation"><code>XmlType</code></a></dd> |
| <dt><span class="simpleTagLabel">Author:</span></dt> |
| <dd>Sekhar Vajjhala, Sun Microsystems, Inc.</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.6, JAXB 2.0</dd> |
| </dl> |
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