The purpose of @XmlRootElement is to have a place for the name of the
<element> that
has the enclosed anonymous (in XML) type.
You dont't have this when the complex type is defined separately. Here, the
association
between one or more elements is done in the generated ObjectFactory.
This should not worry you since marshalling and unmarshalling works in both
cases.
-W
On Wed, Aug 26, 2009 at 4:26 PM, vaidya nathan <vaidyaatdst_at_gmail.com>wrote:
> I am using xjc to generate jaxb annotated java objects from schema and have
> a question related to it
> How are these two way different?
>
> 1. <xs:element name="OuterElem" type="tns:ComplexType" />
>
> <xs:complexType name="ComplexType">
> <xs:sequence>
> <xs:element name="simpleType" type="ns1:<<SomeOther type>>"/>
> </xs:sequence>
> </xs:complexType>
>
> 2. <xs:element name="OuterElem">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="comment" type="xs:string" maxOccurs="unbounded"/>
> </xs:sequence>
> </xs:complexType>
> </xs:element>
>
> The second one is generating the @XmlRootElement(name = "OuterElem")
> whereas the first one is not when it goes through xjc.
> 1. Why is xjc not generating the XmlRootElement for the first way too even
> though it looks very similiar to the second way.
> 2. Is there a way to specify that the element should be a root element(I
> tried root="true" as specified from some website but it rendered it invalid)
> so that the java object has a
> @XmlRootElement(name = "RootElem")
>
> Build
> =====
> jdk 1.5
> in my pom.xml I am using
> <build>
> <plugins>
> <plugin>
> <groupId>com.sun.tools.xjc.maven2</groupId>
> <artifactId>maven-jaxb-plugin</artifactId>
> <executions>
> <execution>
> <goals>
> <goal>generate</goal>
> </goals>
> </execution>
> </executions>
>
> <configuration>
> <removeOldOutput>true</removeOldOutput>
>
> <generateDirectory>src/generated-sources</generateDirectory>
> <includeSchemas>
> <includeSchema>**/*.xsd</includeSchema>
> </includeSchemas>
> </configuration>
> </plugin>
> <plugin>
> <groupId>org.apache.maven.plugins</groupId>
> <artifactId>maven-compiler-plugin</artifactId>
> <configuration>
> <source>1.5</source>
> <removeOldOutput>true</removeOldOutput>
>
> <generateDirectory>src/generated-sources</generateDirectory>
> <generatePackage>/</generatePackage>
> <includeSchemas>
> <includeSchema>**/*.xsd</includeSchema>
> <includeSchema>**/*.dtd</includeSchema>
> </includeSchemas>
> </configuration>
> </plugin>
> </plugins>
> </build>
>
> and my jaxb dependency in the pom is
>
> <dependency>
> <groupId>com.sun.xml.bind</groupId>
> <artifactId>jaxb-impl</artifactId>
> <version>2.1.10</version>
> </dependency>
>
>
> Regards
>
>