JAXB Unmarshalling and elementFormDefault

When trying to implement a SOAP service in Spring, I've run into interesting issue, when dealing with XSD and unmarshalling. Given following XSD file and jaxb2 maven plugin (version 2.4)

<?xml version="1.0" encoding="UTF-8"?>

<schema xmlns="http://www.w3.org/2001/XMLSchema"

        xmlns:c="http://foo.bar/car"

        targetNamespace="http://foo.bar/car"

        elementFormDefault="qualified">



    <element name="car">

        <complexType>

            <sequence>

                <element name="engine" type="c:engine"/>

            </sequence>

        </complexType>

    </element>



    <complexType name="engine">

        <sequence>

            <element name="type" type="string"/>

            <element name="cylinder" type="positiveInteger"/>

            <element name="attributes" type="c:attributes"/>

        </sequence>

    </complexType>



    <complexType name="attributes">

        <sequence>

            <element name="attribute" minOccurs="0" maxOccurs="unbounded">

                <complexType>

                    <sequence>

                        <element name="name" type="string"/>

                        <element name="value" type="string"/>

                    </sequence>

                </complexType>

            </element>

        </sequence>

    </complexType>



</schema>

I'm trying to unmarshall following xml

<?xml version="1.0" encoding="UTF-8" ?>

<c:car xmlns:c="http://foo.bar/car">

    <c:engine>

        <type>Big Block</type>

        <cylinder>4</cylinder>

        <attributes>

            <attribute>

                <name>ccu</name>

                <value>469</value>

            </attribute>

            <attribute>

                <name>ps</name>

                <value>500</value>

            </attribute>

        </attributes>

    </c:engine>

</c:car>

Actually, I'd expect the fields type, cylinder and attributes not to be populates, as those are defined without a namespace. But the object attributes are populated and only name and value properties within "attribute" are remaining null.

JAXBContext jaxbContext = JAXBContext.newInstance(Car.class);

Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();

Car car = (Car)jaxbUnmarshaller.unmarshal(new File("cars.xml"));

Could somebody explain this behavior, as I'm not able to find a reasonable explanation for it?

Thanks in advance.

asked Nov 14 '18 at 15:16

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add a comment |

When trying to implement a SOAP service in Spring, I've run into interesting issue, when dealing with XSD and unmarshalling. Given following XSD file and jaxb2 maven plugin (version 2.4)

<?xml version="1.0" encoding="UTF-8"?>

<schema xmlns="http://www.w3.org/2001/XMLSchema"

        xmlns:c="http://foo.bar/car"

        targetNamespace="http://foo.bar/car"

        elementFormDefault="qualified">



    <element name="car">

        <complexType>

            <sequence>

                <element name="engine" type="c:engine"/>

            </sequence>

        </complexType>

    </element>



    <complexType name="engine">

        <sequence>

            <element name="type" type="string"/>

            <element name="cylinder" type="positiveInteger"/>

            <element name="attributes" type="c:attributes"/>

        </sequence>

    </complexType>



    <complexType name="attributes">

        <sequence>

            <element name="attribute" minOccurs="0" maxOccurs="unbounded">

                <complexType>

                    <sequence>

                        <element name="name" type="string"/>

                        <element name="value" type="string"/>

                    </sequence>

                </complexType>

            </element>

        </sequence>

    </complexType>



</schema>

I'm trying to unmarshall following xml

<?xml version="1.0" encoding="UTF-8" ?>

<c:car xmlns:c="http://foo.bar/car">

    <c:engine>

        <type>Big Block</type>

        <cylinder>4</cylinder>

        <attributes>

            <attribute>

                <name>ccu</name>

                <value>469</value>

            </attribute>

            <attribute>

                <name>ps</name>

                <value>500</value>

            </attribute>

        </attributes>

    </c:engine>

</c:car>

JAXBContext jaxbContext = JAXBContext.newInstance(Car.class);

Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();

Car car = (Car)jaxbUnmarshaller.unmarshal(new File("cars.xml"));

Could somebody explain this behavior, as I'm not able to find a reasonable explanation for it?

Thanks in advance.

asked Nov 14 '18 at 15:16

toppless

1261212

add a comment |

When trying to implement a SOAP service in Spring, I've run into interesting issue, when dealing with XSD and unmarshalling. Given following XSD file and jaxb2 maven plugin (version 2.4)

<?xml version="1.0" encoding="UTF-8"?>

<schema xmlns="http://www.w3.org/2001/XMLSchema"

        xmlns:c="http://foo.bar/car"

        targetNamespace="http://foo.bar/car"

        elementFormDefault="qualified">



    <element name="car">

        <complexType>

            <sequence>

                <element name="engine" type="c:engine"/>

            </sequence>

        </complexType>

    </element>



    <complexType name="engine">

        <sequence>

            <element name="type" type="string"/>

            <element name="cylinder" type="positiveInteger"/>

            <element name="attributes" type="c:attributes"/>

        </sequence>

    </complexType>



    <complexType name="attributes">

        <sequence>

            <element name="attribute" minOccurs="0" maxOccurs="unbounded">

                <complexType>

                    <sequence>

                        <element name="name" type="string"/>

                        <element name="value" type="string"/>

                    </sequence>

                </complexType>

            </element>

        </sequence>

    </complexType>



</schema>

I'm trying to unmarshall following xml

<?xml version="1.0" encoding="UTF-8" ?>

<c:car xmlns:c="http://foo.bar/car">

    <c:engine>

        <type>Big Block</type>

        <cylinder>4</cylinder>

        <attributes>

            <attribute>

                <name>ccu</name>

                <value>469</value>

            </attribute>

            <attribute>

                <name>ps</name>

                <value>500</value>

            </attribute>

        </attributes>

    </c:engine>

</c:car>

JAXBContext jaxbContext = JAXBContext.newInstance(Car.class);

Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();

Car car = (Car)jaxbUnmarshaller.unmarshal(new File("cars.xml"));

Could somebody explain this behavior, as I'm not able to find a reasonable explanation for it?

Thanks in advance.

asked Nov 14 '18 at 15:16

toppless

1261212

When trying to implement a SOAP service in Spring, I've run into interesting issue, when dealing with XSD and unmarshalling. Given following XSD file and jaxb2 maven plugin (version 2.4)

<?xml version="1.0" encoding="UTF-8"?>

<schema xmlns="http://www.w3.org/2001/XMLSchema"

        xmlns:c="http://foo.bar/car"

        targetNamespace="http://foo.bar/car"

        elementFormDefault="qualified">



    <element name="car">

        <complexType>

            <sequence>

                <element name="engine" type="c:engine"/>

            </sequence>

        </complexType>

    </element>



    <complexType name="engine">

        <sequence>

            <element name="type" type="string"/>

            <element name="cylinder" type="positiveInteger"/>

            <element name="attributes" type="c:attributes"/>

        </sequence>

    </complexType>



    <complexType name="attributes">

        <sequence>

            <element name="attribute" minOccurs="0" maxOccurs="unbounded">

                <complexType>

                    <sequence>

                        <element name="name" type="string"/>

                        <element name="value" type="string"/>

                    </sequence>

                </complexType>

            </element>

        </sequence>

    </complexType>



</schema>

I'm trying to unmarshall following xml

<?xml version="1.0" encoding="UTF-8" ?>

<c:car xmlns:c="http://foo.bar/car">

    <c:engine>

        <type>Big Block</type>

        <cylinder>4</cylinder>

        <attributes>

            <attribute>

                <name>ccu</name>

                <value>469</value>

            </attribute>

            <attribute>

                <name>ps</name>

                <value>500</value>

            </attribute>

        </attributes>

    </c:engine>

</c:car>

JAXBContext jaxbContext = JAXBContext.newInstance(Car.class);

Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();

Car car = (Car)jaxbUnmarshaller.unmarshal(new File("cars.xml"));

Could somebody explain this behavior, as I'm not able to find a reasonable explanation for it?

Thanks in advance.

java xml jaxb unmarshalling maven-jaxb2-plugin

asked Nov 14 '18 at 15:16

toppless

1261212

asked Nov 14 '18 at 15:16

toppless

1261212

asked Nov 14 '18 at 15:16

toppless

1261212

asked Nov 14 '18 at 15:16

toppless

1261212

asked Nov 14 '18 at 15:16

toppless

1261212

add a comment |

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