javax.xml.ws

## Class EndpointReference

- java.lang.Object
- - javax.xml.ws.EndpointReference

- Direct Known Subclasses:
    W3CEndpointReference

      public abstract class EndpointReference
      extends Object

  This class represents an WS-Addressing EndpointReference which is a remote reference to a web service endpoint. See Web Services Addressing 1.0 - Core for more information on WS-Addressing EndpointReferences.

  This class is immutable as the typical web service developer need not be concerned with its contents. The web service developer should use this class strictly as a mechanism to reference a remote web service endpoint. See the `Service` APIs that clients can use to that utilize an `EndpointReference`. See the `Endpoint`, and `BindingProvider` APIs on how `EndpointReferences` can be created for published endpoints.

  Concrete implementations of this class will represent an `EndpointReference` for a particular version of Addressing. For example the `W3CEndpointReference` is for use with W3C Web Services Addressing 1.0 - Core Recommendation. If JAX-WS implementors need to support different versions of addressing, they should write their own `EndpointReference` subclass for that version. This will allow a JAX-WS implementation to create a vendor specific `EndpointReferences` that the vendor can use to flag a different version of addressing.

  Web service developers that wish to pass or return `EndpointReference` in Java methods in an SEI should use concrete instances of an `EndpointReference` such as the `W3CEndpointReference`. This way the schema mapped from the SEI will be more descriptive of the type of endpoint reference being passed.

  JAX-WS implementors are expected to extract the XML infoset from an `EndpointReferece` using the ``writeTo(javax.xml.transform.Result)`` method.

  JAXB will bind this class to xs:anyType. If a better binding is desired, web services developers should use a concrete subclass such as `W3CEndpointReference`.

  Since:
    JAX-WS 2.1
  See Also:
    `W3CEndpointReference`, `Service`

- - ### Constructor Summary

    Constructors
    Modifier | Constructor and Description
    --- | ---
    `protected` | `EndpointReference()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `<T> T` | `getPort(Class<T> serviceEndpointInterface, WebServiceFeature... features)` The `getPort` method returns a proxy.
    `static EndpointReference` | `readFrom(Source eprInfoset)` Factory method to read an EndpointReference from the infoset contained in `eprInfoset`.
    `String` | `toString()` Displays EPR infoset for debugging convenience.
    `abstract void` | `writeTo(Result result)` write this `EndpointReference` to the specified infoset format

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### EndpointReference

          protected EndpointReference()

  - ### Method Detail

    - #### readFrom

          public static EndpointReference readFrom(Source eprInfoset)

      Factory method to read an EndpointReference from the infoset contained in `eprInfoset`. This method delegates to the vendor specific implementation of the `Provider.readEndpointReference(javax.xml.transform.Source)` method.
      Parameters:
        `eprInfoset` - The `EndpointReference` infoset to be unmarshalled
      Returns:
        the EndpointReference unmarshalled from `eprInfoset` never `null`
      Throws:
        `WebServiceException` - if an error occurs while creating the `EndpointReference` from the `eprInfoset`
        `IllegalArgumentException` - if the `null` `eprInfoset` value is given.

    - #### writeTo

          public abstract void writeTo(Result result)

      write this `EndpointReference` to the specified infoset format
      Parameters:
        `result` - for writing infoset
      Throws:
        `WebServiceException` - if there is an error writing the `EndpointReference` to the specified `result`.
        `IllegalArgumentException` - If the `null` `result` value is given.

    - #### getPort

          public <T> T getPort(Class<T> serviceEndpointInterface,
                      WebServiceFeature... features)

      The `getPort` method returns a proxy. If there are any reference parameters in the `EndpointReference` instance, then those reference parameters MUST appear as SOAP headers, indicating them to be reference parameters, on all messages sent to the endpoint. The parameter `serviceEndpointInterface` specifies the service endpoint interface that is supported by the returned proxy. The `EndpointReference` instance specifies the endpoint that will be invoked by the returned proxy. In the implementation of this method, the JAX-WS runtime system takes the responsibility of selecting a protocol binding (and a port) and configuring the proxy accordingly from the WSDL Metadata from this `EndpointReference` or from annotations on the `serviceEndpointInterface`. For this method to successfully return a proxy, WSDL metadata MUST be available and the `EndpointReference` instance MUST contain an implementation understood `serviceName` metadata.

      Because this port is not created from a `Service` object, handlers will not automatically be configured, and the `HandlerResolver` and `Executor` cannot be get or set for this port. The `BindingProvider().getBinding().setHandlerChain()` method can be used to manually configure handlers for this port.

      Parameters:
        `serviceEndpointInterface` - Service endpoint interface
        `features` - An array of `WebServiceFeatures` to configure on the proxy. Supported features not in the `features` parameter will have their default values.
      Returns:
        Object Proxy instance that supports the specified service endpoint interface
      Throws:
        `WebServiceException` -
        - If there is an error during creation of the proxy
        - If there is any missing WSDL metadata as required by this method
        - If this `endpointReference` is invalid
        - If an illegal `serviceEndpointInterface` is specified
        - If a feature is enabled that is not compatible with this port or is unsupported.
      See Also:
        `Proxy`, `WebServiceFeature`

    - #### toString

          public String toString()

      Displays EPR infoset for debugging convenience.
      Overrides:
        `toString` in class `Object`
      Returns:
        a string representation of the object.

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