/**
* 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.blueprint;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Callable;
import javax.xml.namespace.QName;
import org.w3c.dom.Element;
import org.apache.aries.blueprint.ParserContext;
import org.apache.aries.blueprint.mutable.MutableBeanMetadata;
import org.apache.aries.blueprint.mutable.MutableCollectionMetadata;
import org.apache.aries.blueprint.mutable.MutablePassThroughMetadata;
import org.apache.cxf.common.util.StringUtils;
import org.apache.cxf.configuration.blueprint.SimpleBPBeanDefinitionParser;
import org.apache.cxf.helpers.DOMUtils;
import org.apache.cxf.jaxrs.JAXRSServerFactoryBean;
import org.apache.cxf.jaxrs.model.UserResource;
import org.apache.cxf.jaxrs.utils.ResourceUtils;
import org.osgi.service.blueprint.reflect.Metadata;
public class JAXRSServerFactoryBeanDefinitionParser extends SimpleBPBeanDefinitionParser {
public JAXRSServerFactoryBeanDefinitionParser() {
super(JAXRSServerFactoryBean.class);
}
@Override
protected void mapAttribute(MutableBeanMetadata bean,
Element e, String name,
String val, ParserContext context) {
if ("beanNames".equals(name)) {
String[] values = StringUtils.split(val, " ");
MutableCollectionMetadata tempFactories = context.createMetadata(MutableCollectionMetadata.class);
for (String v : values) {
String theValue = v.trim();
if (theValue.length() > 0) {
MutablePassThroughMetadata factory
= context.createMetadata(MutablePassThroughMetadata.class);
factory.setObject(new PassThroughCallable<Object>(new BlueprintResourceFactory(v)));
MutableBeanMetadata resourceBean = context.createMetadata(MutableBeanMetadata.class);
resourceBean.setRuntimeClass(BlueprintResourceFactory.class);
resourceBean.setFactoryComponent(factory);
resourceBean.setFactoryMethod("call");
resourceBean.setInitMethod("init");
tempFactories.addValue(resourceBean);
}
}
bean.addProperty("tempFactories", tempFactories);
} else if ("serviceName".equals(name)) {
QName q = parseQName(e, val);
bean.addProperty(name, createValue(context, q));
} else if ("publish".equals(name)) {
mapToProperty(bean, "start", val, context);
} else {
mapToProperty(bean, name, val, context);
}
}
@Override
protected void mapElement(ParserContext ctx, MutableBeanMetadata bean, Element el, String name) {
if ("properties".equals(name)
|| "extensionMappings".equals(name)
|| "languageMappings".equals(name)) {
bean.addProperty(name, this.parseMapData(ctx, bean, el));
} else if ("executor".equals(name)) {
setFirstChildAsProperty(el, ctx, bean, "serviceFactory.executor");
} else if ("invoker".equals(name)) {
setFirstChildAsProperty(el, ctx, bean, "serviceFactory.invoker");
} else if ("binding".equals(name)) {
setFirstChildAsProperty(el, ctx, bean, "bindingConfig");
} else if ("inInterceptors".equals(name) || "inFaultInterceptors".equals(name)
|| "outInterceptors".equals(name) || "outFaultInterceptors".equals(name)) {
bean.addProperty(name, this.parseListData(ctx, bean, el));
} else if ("features".equals(name) || "schemaLocations".equals(name)
|| "providers".equals(name) || "serviceBeans".equals(name)
|| "modelBeans".equals(name)) {
bean.addProperty(name, this.parseListData(ctx, bean, el));
} else if ("serviceFactories".equals(name)) {
bean.addProperty("resourceProviders", this.parseListData(ctx, bean, el));
} else if ("resourceClasses".equals(name)) {
List<String> resources = getResourceClassesFromElement(el);
MutableCollectionMetadata list = ctx.createMetadata(MutableCollectionMetadata.class);
list.setCollectionClass(List.class);
for (String res : resources) {
MutableBeanMetadata objectOfClass = createObjectOfClass(ctx, res);
list.addValue(objectOfClass);
}
bean.addProperty("serviceBeans", list);
} else if ("model".equals(name)) {
List<UserResource> resources = ResourceUtils.getResourcesFromElement(el);
MutableCollectionMetadata list = ctx.createMetadata(MutableCollectionMetadata.class);
list.setCollectionClass(List.class);
for (UserResource res : resources) {
MutablePassThroughMetadata factory = ctx.createMetadata(MutablePassThroughMetadata.class);
factory.setObject(new PassThroughCallable<Object>(res));
MutableBeanMetadata resourceBean = ctx.createMetadata(MutableBeanMetadata.class);
resourceBean.setFactoryComponent(factory);
resourceBean.setFactoryMethod("call");
list.addValue(resourceBean);
}
bean.addProperty("modelBeans", list);
} else {
setFirstChildAsProperty(el, ctx, bean, name);
}
}
@Override
public Metadata parse(Element element, ParserContext context) {
MutableBeanMetadata bean = (MutableBeanMetadata)super.parse(element, context);
bean.setInitMethod("init");
// We don't really want to delay the registration of our Server
bean.setActivation(MutableBeanMetadata.ACTIVATION_EAGER);
return bean;
}
@Override
protected boolean hasBusProperty() {
return true;
}
public static class PassThroughCallable<T> implements Callable<T> {
private T value;
public PassThroughCallable(T value) {
this.value = value;
}
public T call() throws Exception {
return value;
}
}
private static List<String> getResourceClassesFromElement(Element modelEl) {
List<String> resources = new ArrayList<>();
List<Element> resourceEls =
DOMUtils.findAllElementsByTagName(modelEl, "class");
for (Element e : resourceEls) {
resources.add(getResourceClassFromElement(e));
}
return resources;
}
private static String getResourceClassFromElement(Element e) {
return e.getAttribute("name");
}
}