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25.2. Creating a Service Object

Overview
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The javax.xml.ws.Service class represents the wsdl:service element which contains the definition of all of the endpoints that expose a service. As such, it provides methods that allow you to get endpoints, defined by wsdl:port elements, that are proxies for making remote invocations on a service.
Note
The Service class provides the abstractions that allow the client code to work with Java types as opposed to working with XML documents.

The create() methods
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The Service class has two static create() methods that can be used to create a new Service object. As shown in Example 25.1, “Service create() Methods”, both of the create() methods take the QName of the wsdl:service element the Service object will represent, and one takes a URI specifying the location of the WSDL contract.
Note
All services publish their WSDL contracts. For SOAP/HTTP services the URI is usually the URI for the service appended with ?wsdl.

Example 25.1. Service create() Methods

public static Service create(URL wsdlLocation,
                             QName serviceName)
    throws WebServiceException;
public static Service create(QName serviceName)
    throws WebServiceException;
The value of the serviceName parameter is a QName. The value of its namespace part is the target namespace of the service. The service's target namespace is specified in the targetNamespace property of the @WebService annotation. The value of the QName's local part is the value of wsdl:service element's name attribute. You can determine this value in one of the following ways:
  1. It is specified in the serviceName property of the @WebService annotation.
  2. You append Service to the value of the name property of the @WebService annotation.
  3. You append Service to the name of the SEI.

Example
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Example 25.2, “Creating a Service Object” shows code for creating a Service object for the SEI shown in Example 24.7, “Fully Annotated SEI”.

Example 25.2. Creating a Service Object

package com.fusesource.demo;

import javax.xml.namespace.QName;
import javax.xml.ws.Service;

public class Client
{
public static void main(String args[])
  {
1    QName serviceName = new QName("http://demo.redhat.com", "stockQuoteReporter");
2    Service s = Service.create(serviceName);
   ...
  }
}
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The code in Example 25.2, “Creating a Service Object” does the following:
1
Builds the QName for the service using the targetNamespace property and the name property of the @WebService annotation.
2
Calls the single parameter create() method to create a new Service object.
Note
Using the single parameter create() frees you from having any dependencies on accessing a WSDL contract.
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