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27.4. Using a contract resolver
Overview Link kopierenLink in die Zwischenablage kopiert!
ServiceContractResolver
interface. You also need to register your custom resolver with the bus.
Implementing the contract resolver Link kopierenLink in die Zwischenablage kopiert!
org.apache.cxf.endpoint.ServiceContractResolver
interface. As shown in Example 27.3, “ServiceContractResolver
Interface”, this interface has a single method, getContractLocation()
, that needs to be implemented. getContractLocation()
takes the QName of a service and returns the URI for the service's WSDL contract.
Example 27.3. ServiceContractResolver
Interface
public interface ServiceContractResolver { URI getContractLocation(QName qname); }
public interface ServiceContractResolver
{
URI getContractLocation(QName qname);
}
Registering the contract resolver programmatically Link kopierenLink in die Zwischenablage kopiert!
org.apache.cxf.endpoint.ServiceContractResolverRegistry
interface. However, you do not need to implement your own registry. Apache CXF provides a default implementation in the org.apache.cxf.endpoint.ServiceContractResolverRegistryImpl
class.
- Get a reference to the default bus object.
- Get the service contract registry from the bus using the bus'
getExtension()
method. - Create an instance of your contract resolver.
- Register your contract resolver with the registry using the registry's
register()
method.
Example 27.4. Registering a Contract Resolver
Registering a contract resolver using configuration Link kopierenLink in die Zwischenablage kopiert!
- Add an
init()
method to your contract resolver implementation. - Add logic to your
init()
method that registers the contract resolver with the contract resolver registry as shown in Example 27.4, “Registering a Contract Resolver”. - Decorate the
init()
method with the@PostConstruct
annotation.
Example 27.5. Service Contract Resolver that can be Registered Using Configuration
bean
element to the client's configuration. The bean
element's class
attribute is the name of the class implementing the contract resolver.
org.apache.cxf.demos.myContractResolver
class.
Example 27.6. Bean Configuring a Contract Resolver
Contract resolution order Link kopierenLink in die Zwischenablage kopiert!
getContractLocation()
method in the order in which the resolvers were registered. It returns the first URI returned from one of the registered contract resolvers.