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35.4. Instantiate the WS Endpoint
Overview
In Apache CXF, you create a WS endpoint by defining a
jaxws:endpoint element in XML. The WS endpoint is effectively the runtime representation of the Web service: it opens an IP port to listen for SOAP/HTTP requests, is responsible for marshalling and unmarshalling messages (making use of the generated Java stub code), and routes incoming requests to the relevant methods on the implementor class.
In other words, creating a Web service in Spring XML consists essentially of the following two steps:
- Create an instance of the implementor class, using the Spring
beanelement. - Create a WS endpoint, using the
jaxws:endpointelement.
Define JAX-WS endpoint in XML
The following sample Spring file shows how to define a JAX-WS endpoint in XML, using the
jaxws:endpoint element.
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:jaxws="http://cxf.apache.org/jaxws"
xmlns:soap="http://cxf.apache.org/bindings/soap"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://cxf.apache.org/bindings/soap http://cxf.apache.org/schemas/configuration/soap.xsd
http://cxf.apache.org/jaxws http://cxf.apache.org/schemas/jaxws.xsd">
<jaxws:endpoint
xmlns:customer="http://demo.fusesource.com/wsdl/CustomerService/"
id="customerService"
address="/Customer"
serviceName="customer:CustomerService"
endpointName="customer:SOAPOverHTTP"
implementor="#customerServiceImpl">
</jaxws:endpoint>
<bean id="customerServiceImpl"
class="com.fusesource.customer.ws.CustomerServiceImpl"/>
</beans>Address for the Jetty container
In the preceding example, the
address attribute of the jaxws:endpoint element specifies the servlet context for this endpoint, relative to the Jetty container in which it is deployed.
For more details about the options for specifying the endpoint address, see the section called “Address for the Jetty container”.
Referencing the service implementation
The
implementor attribute of the jaxws:endpoint element is used to reference the implementation of the WS service. The value of this attribute can either be the name of the implementation class or (as in this example) a bean reference in the format, #BeanID, where the # character indicates that the following identifier is the name of a bean in the bean registry.
