001/**
002 * Copyright 2005-2017 The Kuali Foundation
003 *
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.opensource.org/licenses/ecl2.php
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.rice.ksb.messaging.serviceexporters;
017
018import java.util.List;
019
020import org.apache.cxf.Bus;
021import org.apache.cxf.binding.BindingFactoryManager;
022import org.apache.cxf.interceptor.LoggingInInterceptor;
023import org.apache.cxf.interceptor.LoggingOutInterceptor;
024import org.apache.cxf.jaxrs.JAXRSBindingFactory;
025import org.apache.cxf.jaxrs.JAXRSServerFactoryBean;
026import org.apache.cxf.jaxrs.lifecycle.SingletonResourceProvider;
027import org.apache.log4j.Logger;
028import org.kuali.rice.core.api.exception.RiceRuntimeException;
029import org.kuali.rice.ksb.api.bus.ServiceDefinition;
030import org.kuali.rice.ksb.api.bus.support.RestServiceDefinition;
031
032
033/**
034 * ServiceExporter for RESTful services.  This class handles the service binding and exposure via CXF.
035 * @author Kuali Rice Team (rice.collab@kuali.org)
036 */
037public class RESTServiceExporter extends AbstractWebServiceExporter implements ServiceExporter {
038
039        private static final Logger LOG = Logger.getLogger(RESTServiceExporter.class);
040
041        public RESTServiceExporter(RestServiceDefinition serviceDefinition, Bus cxfBus) {
042                super(serviceDefinition, cxfBus);
043        }
044
045        /**
046         * This publishes the cxf service onto the cxf bus.
047         *
048         * @param serviceImpl
049         * @throws Exception
050         */
051        @Override
052        public void publishService(ServiceDefinition serviceDefinition, Object serviceImpl, String address) {
053                RestServiceDefinition restServiceDef = (RestServiceDefinition)serviceDefinition;
054
055                LOG.info("Creating JAXRSService " + restServiceDef.getServiceName());
056                JAXRSServerFactoryBean svrFactory = new JAXRSServerFactoryBean();
057        svrFactory.setBus(getCXFBus());
058
059        List<Object> resources = restServiceDef.getResources();
060        if (resources != null && !resources.isEmpty()) {
061                svrFactory.setServiceBeans(resources);
062        } else {
063                try {
064                        Class<?> resourceClass = this.getClass().getClassLoader().loadClass(restServiceDef.getResourceClass());
065                        svrFactory.setResourceClasses(resourceClass);
066                        svrFactory.setResourceProvider(resourceClass, new SingletonResourceProvider(serviceImpl));
067                } catch (ClassNotFoundException e) {
068                        throw new RiceRuntimeException("Failed to publish the service because resource class could not be loaded: " + restServiceDef.getResourceClass(), e);
069                }
070        }
071
072        svrFactory.setServiceName(restServiceDef.getServiceName());
073        svrFactory.setAddress(address);
074        svrFactory.setExtensionMappings(restServiceDef.getExtensionMappings());
075        svrFactory.setLanguageMappings(restServiceDef.getLanguageMappings());
076
077        List<Object> providers = restServiceDef.getProviders();
078        if (providers != null) {
079                svrFactory.setProviders(providers);
080        }
081
082        BindingFactoryManager bindingFactoryManager = getCXFBus().getExtension(BindingFactoryManager.class);
083        JAXRSBindingFactory bindingFactory = new JAXRSBindingFactory();
084        bindingFactory.setBus(getCXFBus());
085        bindingFactoryManager.registerBindingFactory(JAXRSBindingFactory.JAXRS_BINDING_ID, bindingFactory);
086
087                //Set logging interceptors
088        if (LOG.isDebugEnabled()) {
089                svrFactory.getInInterceptors().add(new LoggingInInterceptor());
090        }
091//        svrFactory.getInInterceptors().add(new RESTConnector.VerifyingInInterceptor());
092        if (LOG.isDebugEnabled()) {
093                svrFactory.getOutInterceptors().add(new LoggingOutInterceptor());
094        }
095//              svrFactory.getOutInterceptors().add(new RESTConnector.SigningOutInterceptor());
096
097        svrFactory.setPublishedEndpointUrl(restServiceDef.getEndpointUrl().toExternalForm());
098                svrFactory.create();
099        }
100
101}