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Java Standard Edition (SE)

XmlMixed


javax.xml.bind.annotation

Annotation Type XmlMixed



  • @Retention(value=RUNTIME)
     @Target(value={FIELD,METHOD})
    public @interface XmlMixed

    Annotate a JavaBean multi-valued property to support mixed content.

    The usage is subject to the following constraints:

    • can be used with @XmlElementRef, @XmlElementRefs or @XmlAnyElement

    The following can be inserted into @XmlMixed annotated multi-valued property

    • XML text information items are added as values of java.lang.String.
    • Children element information items are added as instances of JAXBElement or instances with a class that is annotated with @XmlRootElement.
    • Unknown content that is not be bound to a JAXB mapped class is inserted as Element. (Assumes property annotated with @XmlAnyElement)
    Below is an example of binding and creation of mixed content.
      <!-- schema fragment having  mixed content -->
      <xs:complexType name="letterBody" mixed="true">
        <xs:sequence>
          <xs:element name="name" type="xs:string"/>
          <xs:element name="quantity" type="xs:positiveInteger"/>
          <xs:element name="productName" type="xs:string"/>
          <!-- etc. -->
        </xs:sequence>
      </xs:complexType>
      <xs:element name="letterBody" type="letterBody"/>
    
     // Schema-derived Java code:
     // (Only annotations relevant to mixed content are shown below,
     //  others are ommitted.)
     import java.math.BigInteger;
     public class ObjectFactory {
          // element instance factories
          JAXBElement<LetterBody> createLetterBody(LetterBody value);
          JAXBElement<String>     createLetterBodyName(String value);
          JAXBElement<BigInteger> createLetterBodyQuantity(BigInteger value);
          JAXBElement<String>     createLetterBodyProductName(String value);
          // type instance factory
          LetterBody> createLetterBody();
     }
     
     public class LetterBody {
          // Mixed content can contain instances of Element classes
          // Name, Quantity and ProductName. Text data is represented as
          // java.util.String for text.
          @XmlMixed
          @XmlElementRefs({
                  @XmlElementRef(name="productName", type=JAXBElement.class),
                  @XmlElementRef(name="quantity", type=JAXBElement.class),
                  @XmlElementRef(name="name", type=JAXBElement.class)})
          List getContent(){...}
     }
     
    The following is an XML instance document with mixed content
     <letterBody>
     Dear Mr.<name>Robert Smith</name>
     Your order of <quantity>1</quantity> <productName>Baby
     Monitor</productName> shipped from our warehouse. ....
     </letterBody>
     
    that can be constructed using following JAXB API calls.
     LetterBody lb = ObjectFactory.createLetterBody();
     JAXBElement<LetterBody> lbe = ObjectFactory.createLetterBody(lb);
     List gcl = lb.getContent();  //add mixed content to general content property.
     gcl.add("Dear Mr.");  // add text information item as a String.
    
     // add child element information item
     gcl.add(ObjectFactory.createLetterBodyName("Robert Smith"));
     gcl.add("Your order of "); // add text information item as a String
    
     // add children element information items
     gcl.add(ObjectFactory.
                          createLetterBodyQuantity(new BigInteger("1")));
     gcl.add(ObjectFactory.createLetterBodyProductName("Baby Monitor"));
     gcl.add("shipped from our warehouse");  // add text information item
     

    See "Package Specification" in javax.xml.bind.package javadoc for additional common information.

    Since:
    JAXB2.0


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