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wsdljax-wscode-generation
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Reputation: 1672

XML sequence with JAX-WS

Is there any way to make default WSDL being generated by JAX-WS (returned via ?wsdl) to use XML choice instead of any and sequence?

Upvotes: 4

Views: 1474

Answers (1)

joergl
joergl

Reputation: 2866

I assume you mean the XML schema in the <types/> part of the WSDL. The generation of this schema is not governed by JAX-WS, but by the JAXB specification. This is the specification for the data binding in JAX-WS.

But to actually answer your question: Yes, you can do that with an appropriate @XMLElements annotation in the class that represents your datatype. For example, take a web service interface like this:

@WebService
public interface Chooser {

    String chooseOne(Choice myChoice);

}

Then the contents of your XSD depend on the structure of the Choice class. You can force the generation of a choice element through something like this:

public class Choice {

    @XmlElements(value = { @XmlElement(type = First.class),
            @XmlElement(type = Second.class) })
    private Object myChoice;

}

Classes First and Second are possible elements in the choice. The schema generated from this code looks like this:

<xs:complexType name="choice">
  <xs:sequence>
    <xs:choice minOccurs="0">
      <xs:element name="myChoice" type="tns:first"></xs:element>
      <xs:element name="myChoice" type="tns:second"></xs:element>
    </xs:choice>
  </xs:sequence>
</xs:complexType>

This still wraps the choice in a sequence, but as there is only one element in the sequence, this doesn't really matter.

Upvotes: 2

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