/*
* Copyright 2002-2009 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.remoting.jaxws;
import java.util.Arrays;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.Executor;
import javax.jws.WebService;
import javax.xml.ws.Endpoint;
import javax.xml.ws.WebServiceProvider;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanFactoryAware;
import org.springframework.beans.factory.CannotLoadBeanClassException;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.ListableBeanFactory;
import org.springframework.beans.factory.config.ConfigurableBeanFactory;
/**
* Abstract exporter for JAX-WS services, autodetecting annotated service beans
* (through the JAX-WS {@link javax.jws.WebService} annotation). Subclasses
* need to implement the {@link #publishEndpoint} template method for actual
* endpoint exposure.
*
* @author Juergen Hoeller
* @since 2.5.5
* @see javax.jws.WebService
* @see javax.xml.ws.Endpoint
* @see SimpleJaxWsServiceExporter
* @see SimpleHttpServerJaxWsServiceExporter
*/
public abstract class AbstractJaxWsServiceExporter implements BeanFactoryAware, InitializingBean, DisposableBean {
private Map<String, Object> endpointProperties;
private Executor executor;
private ListableBeanFactory beanFactory;
private final Set<Endpoint> publishedEndpoints = new LinkedHashSet<Endpoint>();
/**
* Set the property bag for the endpoint, including properties such as
* "javax.xml.ws.wsdl.service" or "javax.xml.ws.wsdl.port".
* @see javax.xml.ws.Endpoint#setProperties
* @see javax.xml.ws.Endpoint#WSDL_SERVICE
* @see javax.xml.ws.Endpoint#WSDL_PORT
*/
public void setEndpointProperties(Map<String, Object> endpointProperties) {
this.endpointProperties = endpointProperties;
}
/**
* Set the JDK concurrent executor to use for dispatching incoming requests
* to exported service instances.
* @see javax.xml.ws.Endpoint#setExecutor
*/
public void setExecutor(Executor executor) {
this.executor = executor;
}
/**
* Obtains all web service beans and publishes them as JAX-WS endpoints.
*/
public void setBeanFactory(BeanFactory beanFactory) {
if (!(beanFactory instanceof ListableBeanFactory)) {
throw new IllegalStateException(getClass().getSimpleName() + " requires a ListableBeanFactory");
}
this.beanFactory = (ListableBeanFactory) beanFactory;
}
/**
* Immediately publish all endpoints when fully configured.
* @see #publishEndpoints()
*/
public void afterPropertiesSet() throws Exception {
publishEndpoints();
}
/**
* Publish all {@link javax.jws.WebService} annotated beans in the
* containing BeanFactory.
* @see #publishEndpoint
*/
public void publishEndpoints() {
Set<String> beanNames = new LinkedHashSet<String>(this.beanFactory.getBeanDefinitionCount());
beanNames.addAll(Arrays.asList(this.beanFactory.getBeanDefinitionNames()));
if (this.beanFactory instanceof ConfigurableBeanFactory) {
beanNames.addAll(Arrays.asList(((ConfigurableBeanFactory) this.beanFactory).getSingletonNames()));
}
for (String beanName : beanNames) {
try {
Class<?> type = this.beanFactory.getType(beanName);
if (type != null && !type.isInterface()) {
WebService wsAnnotation = type.getAnnotation(WebService.class);
WebServiceProvider wsProviderAnnotation = type.getAnnotation(WebServiceProvider.class);
if (wsAnnotation != null || wsProviderAnnotation != null) {
Endpoint endpoint = Endpoint.create(this.beanFactory.getBean(beanName));
if (this.endpointProperties != null) {
endpoint.setProperties(this.endpointProperties);
}
if (this.executor != null) {
endpoint.setExecutor(this.executor);
}
if (wsAnnotation != null) {
publishEndpoint(endpoint, wsAnnotation);
}
else {
publishEndpoint(endpoint, wsProviderAnnotation);
}
this.publishedEndpoints.add(endpoint);
}
}
}
catch (CannotLoadBeanClassException ex) {
// ignore beans where the class is not resolvable
}
}
}
/**
* Actually publish the given endpoint. To be implemented by subclasses.
* @param endpoint the JAX-WS Endpoint object
* @param annotation the service bean's WebService annotation
*/
protected abstract void publishEndpoint(Endpoint endpoint, WebService annotation);
/**
* Actually publish the given provider endpoint. To be implemented by subclasses.
* @param endpoint the JAX-WS Provider Endpoint object
* @param annotation the service bean's WebServiceProvider annotation
*/
protected abstract void publishEndpoint(Endpoint endpoint, WebServiceProvider annotation);
/**
* Stops all published endpoints, taking the web services offline.
*/
public void destroy() {
for (Endpoint endpoint : this.publishedEndpoints) {
endpoint.stop();
}
}
}