001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.servicemix.bean;
018    
019    import java.net.URI;
020    import java.util.ArrayList;
021    import java.util.List;
022    import java.util.Map;
023    
024    import javax.jbi.servicedesc.ServiceEndpoint;
025    
026    import org.apache.servicemix.common.DefaultComponent;
027    import org.apache.servicemix.common.Endpoint;
028    import org.apache.servicemix.jbi.util.IntrospectionSupport;
029    import org.apache.servicemix.jbi.util.URISupport;
030    import org.springframework.beans.BeansException;
031    import org.springframework.context.ApplicationContext;
032    import org.springframework.context.ApplicationContextAware;
033    
034    /**
035     * A JBI component for binding beans to the JBI bus which work directly off of the JBI messages
036     * without requiring any SOAP Processing. If you require support for SOAP, JAX-WS, JSR-181 then you
037     * should use the servicemix-jsr181 module instead.
038     *
039     * @version $Revision: $
040     * @org.apache.xbean.XBean element="component" description="Bean Component"
041     */
042    public class BeanComponent extends DefaultComponent implements ApplicationContextAware {
043    
044        private BeanEndpoint[] endpoints;
045        private String[] searchPackages;
046        private ApplicationContext applicationContext;
047    
048    
049        public BeanEndpoint[] getEndpoints() {
050            return endpoints;
051        }
052    
053        public void setEndpoints(BeanEndpoint[] endpoints) {
054            this.endpoints = endpoints;
055        }
056    
057        public ApplicationContext getApplicationContext() {
058            return applicationContext;
059        }
060    
061        public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
062            this.applicationContext = applicationContext;
063        }
064    
065        public String[] getSearchPackages() {
066            return searchPackages;
067        }
068    
069        public void setSearchPackages(String[] searchPackages) {
070            this.searchPackages = searchPackages;
071        }
072    
073        @SuppressWarnings("unchecked")
074        protected List getConfiguredEndpoints() {
075            List list = new ArrayList(asList(getEndpoints()));
076            if (searchPackages != null) {
077                EndpointFinder finder = new EndpointFinder(this);
078                finder.addEndpoints(list);
079            }
080            return list;
081        }
082    
083        protected Class[] getEndpointClasses() {
084            return new Class[]{BeanEndpoint.class};
085        }
086    
087        protected Endpoint getResolvedEPR(ServiceEndpoint ep) throws Exception {
088            // We receive an exchange for an EPR that has not been used yet.
089            // Register a provider endpoint and restart processing.
090            BeanEndpoint endpoint = new BeanEndpoint(this, ep);
091    
092            // TODO
093            //endpoint.setRole(MessageExchange.Role.PROVIDER);
094    
095            // lets use a URL to parse the path
096            URI uri = new URI(ep.getEndpointName());
097    
098            String beanName = null;
099            // lets try the host first for hierarchial URIs
100            if (uri.getHost() != null) {
101                // it must start bean://host/path
102                beanName = uri.getHost();
103            } else {
104                // it must be an absolute URI of the form bean:name
105                beanName = uri.getSchemeSpecificPart();
106            }
107            if (beanName != null) {
108                endpoint.setBeanName(beanName);
109            } else {
110                throw new IllegalArgumentException("No bean name defined for URI: "
111                        + uri + ". Please use a URI of bean:name or bean://name?property=value");
112            }
113    
114            Map map = URISupport.parseQuery(uri.getQuery());
115            if (endpoint.getBean() == null) {
116                endpoint.setBean(endpoint.createBean());
117            }
118            IntrospectionSupport.setProperties(endpoint.getBean(), map);
119    
120            endpoint.activate();
121            return endpoint;
122        }
123    
124        /**
125         * Adds a new component dynamically
126         */
127        public void addEndpoint(BeanEndpoint endpoint) throws Exception {
128            super.addEndpoint(endpoint);
129        }
130    }