| /** |
| * 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.camel.blueprint; |
| |
| import javax.xml.bind.annotation.XmlAccessType; |
| import javax.xml.bind.annotation.XmlAccessorType; |
| import javax.xml.bind.annotation.XmlAttribute; |
| import javax.xml.bind.annotation.XmlRootElement; |
| import javax.xml.bind.annotation.XmlTransient; |
| |
| import org.apache.aries.blueprint.ExtendedBlueprintContainer; |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.Endpoint; |
| import org.apache.camel.FailedToCreateProducerException; |
| import org.apache.camel.Producer; |
| import org.apache.camel.component.bean.ProxyHelper; |
| import org.apache.camel.core.xml.AbstractCamelFactoryBean; |
| import org.apache.camel.util.ServiceHelper; |
| |
| /** |
| * A factory to create a Proxy to a a Camel Pojo Endpoint. |
| */ |
| @XmlRootElement(name = "proxy") |
| @XmlAccessorType(XmlAccessType.FIELD) |
| public class CamelProxyFactoryBean extends AbstractCamelFactoryBean<Object> { |
| |
| @XmlAttribute |
| private String serviceUrl; |
| @XmlAttribute |
| private String serviceRef; |
| @XmlAttribute |
| private String serviceInterface; |
| @XmlTransient |
| private Endpoint endpoint; |
| @XmlTransient |
| private Object serviceProxy; |
| @XmlTransient |
| private Producer producer; |
| @XmlTransient |
| private ExtendedBlueprintContainer blueprintContainer; |
| |
| public Object getObject() { |
| return serviceProxy; |
| } |
| |
| public Class<Object> getObjectType() { |
| return Object.class; |
| } |
| |
| protected CamelContext getCamelContextWithId(String camelContextId) { |
| if (blueprintContainer != null) { |
| return (CamelContext) blueprintContainer.getComponentInstance(camelContextId); |
| } |
| return null; |
| } |
| |
| public void afterPropertiesSet() throws Exception { |
| if (endpoint == null) { |
| getCamelContext(); |
| if (getServiceUrl() == null && getServiceRef() == null) { |
| throw new IllegalArgumentException("serviceUrl or serviceRef must be specified."); |
| } |
| if (getServiceInterface() == null) { |
| throw new IllegalArgumentException("serviceInterface must be specified."); |
| } |
| |
| // lookup endpoint or we have the url for it |
| if (getServiceRef() != null) { |
| endpoint = getCamelContext().getRegistry().lookup(getServiceRef(), Endpoint.class); |
| } else { |
| endpoint = getCamelContext().getEndpoint(getServiceUrl()); |
| } |
| |
| if (endpoint == null) { |
| throw new IllegalArgumentException("Could not resolve endpoint: " + getServiceUrl()); |
| } |
| } |
| |
| try { |
| producer = endpoint.createProducer(); |
| ServiceHelper.startService(producer); |
| Class clazz = blueprintContainer.loadClass(getServiceInterface()); |
| serviceProxy = ProxyHelper.createProxy(endpoint, producer, clazz); |
| } catch (Exception e) { |
| throw new FailedToCreateProducerException(endpoint, e); |
| } |
| } |
| |
| public void destroy() throws Exception { |
| ServiceHelper.stopService(producer); |
| } |
| |
| public String getServiceUrl() { |
| return serviceUrl; |
| } |
| |
| public void setServiceUrl(String serviceUrl) { |
| this.serviceUrl = serviceUrl; |
| } |
| |
| public String getServiceRef() { |
| return serviceRef; |
| } |
| |
| public void setServiceRef(String serviceRef) { |
| this.serviceRef = serviceRef; |
| } |
| |
| public String getServiceInterface() { |
| return serviceInterface; |
| } |
| |
| public void setServiceInterface(String serviceInterface) { |
| this.serviceInterface = serviceInterface; |
| } |
| |
| public Endpoint getEndpoint() { |
| return endpoint; |
| } |
| |
| public void setEndpoint(Endpoint endpoint) { |
| this.endpoint = endpoint; |
| } |
| |
| public Producer getProducer() { |
| return producer; |
| } |
| |
| public void setProducer(Producer producer) { |
| this.producer = producer; |
| } |
| |
| public ExtendedBlueprintContainer getBlueprintContainer() { |
| return blueprintContainer; |
| } |
| |
| public void setBlueprintContainer(ExtendedBlueprintContainer blueprintContainer) { |
| this.blueprintContainer = blueprintContainer; |
| } |
| |
| } |