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.common.util.IntrospectionSupport;
029    import org.apache.servicemix.common.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        public BeanEndpoint[] getEndpoints() {
049            return endpoints;
050        }
051    
052        public void setEndpoints(BeanEndpoint[] endpoints) {
053            this.endpoints = endpoints;
054        }
055    
056        public ApplicationContext getApplicationContext() {
057            return applicationContext;
058        }
059    
060        public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
061            this.applicationContext = applicationContext;
062        }
063    
064        public String[] getSearchPackages() {
065            return searchPackages;
066        }
067    
068        public void setSearchPackages(String[] searchPackages) {
069            this.searchPackages = searchPackages;
070        }
071    
072        @SuppressWarnings("unchecked")
073        protected List getConfiguredEndpoints() {
074            List list = new ArrayList(asList(getEndpoints()));
075            if (searchPackages != null) {
076                EndpointFinder finder = new EndpointFinder(this);
077                finder.addEndpoints(list);
078            }
079            return list;
080        }
081    
082        protected Class[] getEndpointClasses() {
083            return new Class[]{BeanEndpoint.class};
084        }
085    
086        protected Endpoint getResolvedEPR(ServiceEndpoint ep) throws Exception {
087            // We receive an exchange for an EPR that has not been used yet.
088            // Register a provider endpoint and restart processing.
089            BeanEndpoint endpoint = new BeanEndpoint(this, ep);
090    
091            // TODO
092            //endpoint.setRole(MessageExchange.Role.PROVIDER);
093    
094            // lets use a URL to parse the path
095            URI uri = new URI(ep.getEndpointName());
096    
097            String beanName = null;
098            // lets try the host first for hierarchial URIs
099            if (uri.getHost() != null) {
100                // it must start bean://host/path
101                beanName = uri.getHost();
102            } else {
103                // it must be an absolute URI of the form bean:name
104                beanName = uri.getSchemeSpecificPart();
105            }
106            if (beanName != null) {
107                endpoint.setBeanName(beanName);
108            } else {
109                throw new IllegalArgumentException("No bean name defined for URI: "
110                        + uri + ". Please use a URI of bean:name or bean://name?property=value");
111            }
112    
113            Map map = URISupport.parseQuery(uri.getQuery());
114            if (endpoint.getBean() == null) {
115                endpoint.setBean(endpoint.createBean());
116            }
117            IntrospectionSupport.setProperties(endpoint.getBean(), map);
118    
119            return endpoint;
120        }
121    
122        /**
123         * Adds a new component dynamically
124         */
125        public void addEndpoint(BeanEndpoint endpoint) throws Exception {
126            super.addEndpoint(endpoint);
127        }
128    }