/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cxf.jaxrs.client.spring;
import java.io.IOException;
import java.lang.annotation.Annotation;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import javax.ws.rs.Path;
import javax.ws.rs.ext.Provider;
import javax.xml.namespace.QName;
import org.w3c.dom.Element;
import org.apache.cxf.bus.spring.BusWiringBeanFactoryPostProcessor;
import org.apache.cxf.common.util.ClasspathScanner;
import org.apache.cxf.configuration.spring.AbstractFactoryBeanDefinitionParser;
import org.apache.cxf.jaxrs.client.JAXRSClientFactoryBean;
import org.apache.cxf.jaxrs.model.UserResource;
import org.apache.cxf.jaxrs.utils.ResourceUtils;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanCreationException;
import org.springframework.beans.factory.BeanDefinitionStoreException;
import org.springframework.beans.factory.NoUniqueBeanDefinitionException;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
public class JAXRSClientFactoryBeanDefinitionParser extends AbstractFactoryBeanDefinitionParser {
public JAXRSClientFactoryBeanDefinitionParser() {
super();
setBeanClass(Object.class);
}
@Override
protected Class<?> getFactoryClass() {
return JAXRSSpringClientFactoryBean.class;
}
@Override
protected String getFactoryIdSuffix() {
return ".proxyFactory";
}
@Override
protected String getSuffix() {
return ".jaxrs-client";
}
@Override
protected void mapAttribute(BeanDefinitionBuilder bean, Element e, String name, String val) {
if ("serviceName".equals(name)) {
QName q = parseQName(e, val);
bean.addPropertyValue(name, q);
} else if ("basePackages".equals(name)) {
bean.addPropertyValue("basePackages", ClasspathScanner.parsePackages(val));
} else {
mapToProperty(bean, name, val);
}
}
@Override
protected void mapElement(ParserContext ctx, BeanDefinitionBuilder bean, Element el, String name) {
if ("properties".equals(name) || "headers".equals(name)) {
Map<?, ?> map = ctx.getDelegate().parseMapElement(el, bean.getBeanDefinition());
bean.addPropertyValue(name, map);
} else if ("executor".equals(name)) {
setFirstChildAsProperty(el, ctx, bean, "serviceFactory.executor");
} else if ("binding".equals(name)) {
setFirstChildAsProperty(el, ctx, bean, "bindingConfig");
} else if ("inInterceptors".equals(name) || "inFaultInterceptors".equals(name)
|| "outInterceptors".equals(name) || "outFaultInterceptors".equals(name)) {
List<?> list = ctx.getDelegate().parseListElement(el, bean.getBeanDefinition());
bean.addPropertyValue(name, list);
} else if ("features".equals(name) || "providers".equals(name)
|| "schemaLocations".equals(name) || "modelBeans".equals(name)) {
List<?> list = ctx.getDelegate().parseListElement(el, bean.getBeanDefinition());
bean.addPropertyValue(name, list);
} else if ("model".equals(name)) {
List<UserResource> resources = ResourceUtils.getResourcesFromElement(el);
bean.addPropertyValue("modelBeans", resources);
} else {
setFirstChildAsProperty(el, ctx, bean, name);
}
}
public static class JAXRSSpringClientFactoryBean extends JAXRSClientFactoryBean
implements ApplicationContextAware {
private List<String> basePackages;
public JAXRSSpringClientFactoryBean() {
super();
}
public void setBasePackages(List<String> basePackages) {
this.basePackages = basePackages;
}
public void setApplicationContext(ApplicationContext ctx) throws BeansException {
try {
if (basePackages != null) {
final Map< Class< ? extends Annotation >, Collection< Class< ? > > > classes =
ClasspathScanner.findClasses(basePackages, Path.class, Provider.class);
if (classes.get(Path.class).size() > 1) {
throw new NoUniqueBeanDefinitionException(Path.class, classes.get(Path.class).size(),
"More than one service class (@Path) has been discovered");
} else {
for (final Class< ? > providerClass: classes.get(Provider.class)) {
setProvider(ctx.getAutowireCapableBeanFactory().createBean(providerClass));
}
for (final Class< ? > serviceClass: classes.get(Path.class)) {
setServiceClass(serviceClass);
}
}
}
} catch (IOException ex) {
throw new BeanDefinitionStoreException("I/O failure during classpath scanning", ex);
} catch (ClassNotFoundException ex) {
throw new BeanCreationException("Failed to create bean from classfile", ex);
}
if (bus == null) {
setBus(BusWiringBeanFactoryPostProcessor.addDefaultBus(ctx));
}
}
}
}