/*
* Copyright 2007 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.ws.jaxws;
import javax.xml.soap.SOAPMessage;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.ws.Provider;
import javax.xml.ws.Service;
import javax.xml.ws.ServiceMode;
import javax.xml.ws.WebServiceProvider;
import org.springframework.ws.WebServiceMessage;
import org.springframework.ws.context.MessageContext;
import org.springframework.ws.server.EndpointAdapter;
import org.springframework.ws.soap.saaj.SaajSoapMessage;
import org.springframework.xml.transform.TransformerObjectSupport;
/**
* Adapter to use a JAX-WS {@link Provider} as the endpoint for a <code>EndpointInvocationChain</code>. Supports both
* message and payload providers.
*
* @author Arjen Poutsma
*/
public class JaxWsProviderEndpointAdapter extends TransformerObjectSupport implements EndpointAdapter {
public boolean supports(Object endpoint) {
return endpoint.getClass().getAnnotation(WebServiceProvider.class) != null && endpoint instanceof Provider;
}
public void invoke(MessageContext messageContext, Object endpoint) throws Exception {
ServiceMode serviceMode = endpoint.getClass().getAnnotation(ServiceMode.class);
if (serviceMode == null || Service.Mode.PAYLOAD.equals(serviceMode.value())) {
invokeSourceProvider(messageContext, (Provider<Source>) endpoint);
}
else if (Service.Mode.MESSAGE.equals(serviceMode.value())) {
Provider<SOAPMessage> provider = (Provider<SOAPMessage>) endpoint;
invokeMessageProvider(messageContext, provider);
}
}
private void invokeSourceProvider(MessageContext messageContext, Provider<Source> provider)
throws TransformerException {
Source requestSource = messageContext.getRequest().getPayloadSource();
Source responseSource = provider.invoke(requestSource);
if (responseSource != null) {
WebServiceMessage response = messageContext.getResponse();
Transformer transformer = createTransformer();
transformer.transform(responseSource, response.getPayloadResult());
}
}
private void invokeMessageProvider(MessageContext messageContext, Provider<SOAPMessage> provider) {
if (!(messageContext.getRequest() instanceof SaajSoapMessage)) {
throw new IllegalArgumentException("JaxWsProviderEndpointAdapter requires a SaajSoapMessage. " +
"Use a SaajSoapMessageFactory to create the SOAP messages.");
}
SaajSoapMessage request = (SaajSoapMessage) messageContext.getRequest();
SOAPMessage saajRequest = request.getSaajMessage();
SOAPMessage saajResponse = provider.invoke(saajRequest);
if (saajResponse != null) {
SaajSoapMessage response = (SaajSoapMessage) messageContext.getResponse();
response.setSaajMessage(saajResponse);
}
}
}