/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*$Id: Provider.java,v 1.8.2.6 2007/03/09 23:51:10 kohlert Exp $
*/
package javax.xml.ws.spi;
import java.net.URL;
import java.util.List;
import javax.xml.ws.Endpoint;
import javax.xml.ws.WebServiceException;
import javax.xml.ws.WebServiceFeature;
import javax.xml.namespace.QName;
import javax.xml.ws.EndpointReference;
import javax.xml.ws.wsaddressing.W3CEndpointReference;
import org.w3c.dom.Element;
/**
* Service provider for <code>ServiceDelegate</code> and
* <code>Endpoint</code> objects.
* <p>
*
* @since JAX-WS 2.0
*/
public abstract class Provider {
/**
* A constant representing the property used to lookup the
* name of a <code>Provider</code> implementation
* class.
*/
static public final String JAXWSPROVIDER_PROPERTY
= "javax.xml.ws.spi.Provider";
/**
* A constant representing the name of the default
* <code>Provider</code> implementation class.
**/
static private final String DEFAULT_JAXWSPROVIDER
= "com.sun.xml.internal.ws.spi.ProviderImpl";
/**
* Creates a new instance of Provider
*/
protected Provider() {
}
/**
*
* Creates a new provider object.
* <p>
* The algorithm used to locate the provider subclass to use consists
* of the following steps:
* <p>
* <ul>
* <li>
* If a resource with the name of
* <code>META-INF/services/javax.xml.ws.spi.Provider</code>
* exists, then its first line, if present, is used as the UTF-8 encoded
* name of the implementation class.
* </li>
* <li>
* If the $java.home/lib/jaxws.properties file exists and it is readable by
* the <code>java.util.Properties.load(InputStream)</code> method and it contains
* an entry whose key is <code>javax.xml.ws.spi.Provider</code>, then the value of
* that entry is used as the name of the implementation class.
* </li>
* <li>
* If a system property with the name <code>javax.xml.ws.spi.Provider</code>
* is defined, then its value is used as the name of the implementation class.
* </li>
* <li>
* Finally, a default implementation class name is used.
* </li>
* </ul>
*
*/
public static Provider provider() {
try {
Object provider =
FactoryFinder.find(JAXWSPROVIDER_PROPERTY,
DEFAULT_JAXWSPROVIDER);
if (!(provider instanceof Provider)) {
Class pClass = Provider.class;
String classnameAsResource = pClass.getName().replace('.', '/') + ".class";
ClassLoader loader = pClass.getClassLoader();
if(loader == null) {
loader = ClassLoader.getSystemClassLoader();
}
URL targetTypeURL = loader.getResource(classnameAsResource);
throw new LinkageError("ClassCastException: attempting to cast" +
provider.getClass().getClassLoader().getResource(classnameAsResource) +
"to" + targetTypeURL.toString() );
}
return (Provider) provider;
} catch (WebServiceException ex) {
throw ex;
} catch (Exception ex) {
throw new WebServiceException("Unable to createEndpointReference Provider", ex);
}
}
/**
* Creates a service delegate object.
* <p>
* @param wsdlDocumentLocation A URL pointing to the WSDL document
* for the service, or <code>null</code> if there isn't one.
* @param serviceName The qualified name of the service.
* @param serviceClass The service class, which MUST be either
* <code>javax.xml.ws.Service</code> or a subclass thereof.
* @return The newly created service delegate.
*/
public abstract ServiceDelegate createServiceDelegate(
java.net.URL wsdlDocumentLocation,
QName serviceName, Class serviceClass);
/**
*
* Creates an endpoint object with the provided binding and implementation
* object.
*
* @param bindingId A URI specifying the desired binding (e.g. SOAP/HTTP)
* @param implementor A service implementation object to which
* incoming requests will be dispatched. The corresponding
* class MUST be annotated with all the necessary Web service
* annotations.
* @return The newly created endpoint.
*/
public abstract Endpoint createEndpoint(String bindingId,
Object implementor);
/**
* Creates and publishes an endpoint object with the specified
* address and implementation object.
*
* @param address A URI specifying the address and transport/protocol
* to use. A http: URI MUST result in the SOAP 1.1/HTTP
* binding being used. Implementations may support other
* URI schemes.
* @param implementor A service implementation object to which
* incoming requests will be dispatched. The corresponding
* class MUST be annotated with all the necessary Web service
* annotations.
* @return The newly created endpoint.
*/
public abstract Endpoint createAndPublishEndpoint(String address,
Object implementor);
/**
* read an EndpointReference from the infoset contained in
* <code>eprInfoset</code>.
*
* @return the <code>EndpointReference</code> unmarshalled from
* <code>eprInfoset</code>. This method never returns <code>null</code>.
*
* @throws WebServiceException If there is an error creating the
* <code>EndpointReference</code> from the specified <code>eprInfoset</code>.
*
* @throws NullPointerException If the <code>null</code>
* <code>eprInfoset</code> value is given.
*
* @since JAX-WS 2.1
**/
public abstract EndpointReference readEndpointReference(javax.xml.transform.Source eprInfoset);
/**
* The getPort method returns a proxy. If there
* are any reference parameters in the
* <code>endpointReference</code>, then those reference
* parameters MUST appear as SOAP headers, indicating them to be
* reference parameters, on all messages sent to the endpoint.
* The parameter <code>serviceEndpointInterface</code> specifies
* the service endpoint interface that is supported by the
* returned proxy.
* The parameter <code>endpointReference</code> 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 of the
* <code>serviceEndpointInterface</code> and the <code>EndpointReference</code>.
* For this method
* to successfully return a proxy, WSDL metadata MUST be available and the
* <code>endpointReference</code> MUST contain an implementation understood
* <code>serviceName</code> metadata.
*
*
* @param endpointReference the EndpointReference that will
* be invoked by the returned proxy.
* @param serviceEndpointInterface Service endpoint interface
* @param features A list of WebServiceFeatures to configure on the
* proxy. Supported features not in the <code>features
* </code> parameter will have their default values.
* @return Object Proxy instance that supports the
* specified service endpoint interface
* @throws WebServiceException
* <UL>
* <LI>If there is an error during creation
* of the proxy
* <LI>If there is any missing WSDL metadata
* as required by this method}
* <LI>If this
* <code>endpointReference</code>
* is illegal
* <LI>If an illegal
* <code>serviceEndpointInterface</code>
* is specified
* <LI>If a feature is enabled that is not compatible with
* this port or is unsupported.
* </UL>
*
* @see WebServiceFeature
*
* @since JAX-WS 2.1
**/
public abstract <T> T getPort(EndpointReference endpointReference,
Class<T> serviceEndpointInterface,
WebServiceFeature... features);
/**
* Factory method to create a <code>W3CEndpointReference</code>.
*
* <p>
* This method can be used to create a <code>W3CEndpointReference</code>
* for any endpoint by specifying the <code>address</code> property along
* with any other desired properties. This method
* can also be used to create a <code>W3CEndpointReference</code> for
* an endpoint that is published by the same Java EE application.
* To do so the <code>address</code> property can be provided or this
* method can automatically determine the <code>address</code> of
* an endpoint that is published by the same Java EE application and is
* identified by the <code>serviceName</code> and
* <code>portName</code> propeties. If the <code>address</code> is
* <code>null</code> and the <code>serviceName</code> and
* <code>portName</code> do not identify an endpoint published by the
* same Java EE application, a
* <code>javax.lang.IllegalStateException</code> MUST be thrown.
*
* @param address Specifies the address of the target endpoint
* @param serviceName Qualified name of the service in the WSDL.
* @param portName Qualified name of the endpoint in the WSDL.
* @param metadata A list of elements that should be added to the
* <code>W3CEndpointReference</code> instances <code>wsa:metadata</code>
* element.
* @param wsdlDocumentLocation URL for the WSDL document location for
* the service.
* @param referenceParameters Reference parameters to be associated
* with the returned <code>EndpointReference</code> instance.
*
* @return the <code>W3CEndpointReference<code> created from
* <code>serviceName</code>, <code>portName</code>,
* <code>metadata</code>, <code>wsdlDocumentLocation</code>
* and <code>referenceParameters</code>. This method
* never returns <code>null</code>.
*
* @throws java.lang.IllegalStateException
* <ul>
* <li>If the <code>address</code>, <code>serviceName</code> and
* <code>portName</code> are all <code>null</code>.
* <li>If the <code>serviceName</code> service is <code>null</code> and the
* <code>portName> is NOT <code>null</code>.
* <li>If the <code>address</code> property is <code>null</code> and
* the <code>serviceName</code> and <code>portName</code> do not
* specify a valid endpoint published by the same Java EE
* application.
* <li>If the <code>serviceName</code>is NOT <code>null</code>
* and is not present in the specified WSDL.
* <li>If the <code>portName</code> port is not <code>null<code> and it
* is not present in <code>serviceName</code> service in the WSDL.
* <li>If the <code>wsdlDocumentLocation</code> is NOT <code>null</code>
* and does not represent a valid WSDL.
* </ul>
* @throws WebServiceException If an error occurs while creating the
* <code>W3CEndpointReference</code>.
*
* @since JAX-WS 2.1
*/
public abstract W3CEndpointReference createW3CEndpointReference(String address, QName serviceName, QName portName,
List<Element> metadata, String wsdlDocumentLocation, List<Element> referenceParameters);
}
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