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 */
017package org.apache.camel.osgi;
018
019import javax.xml.bind.annotation.XmlAccessType;
020import javax.xml.bind.annotation.XmlAccessorType;
021import javax.xml.bind.annotation.XmlRootElement;
022import javax.xml.bind.annotation.XmlTransient;
023
024import org.apache.camel.core.osgi.OsgiCamelContextPublisher;
025import org.apache.camel.core.osgi.OsgiEventAdminNotifier;
026import org.apache.camel.spring.SpringCamelContext;
027import org.osgi.framework.BundleContext;
028import org.slf4j.Logger;
029import org.slf4j.LoggerFactory;
030import org.springframework.osgi.context.BundleContextAware;
031
032@XmlRootElement(name = "camelContext")
033@XmlAccessorType(XmlAccessType.FIELD)
034public class CamelContextFactoryBean extends org.apache.camel.spring.CamelContextFactoryBean implements BundleContextAware {
035    private static final Logger LOG = LoggerFactory.getLogger(CamelContextFactoryBean.class);
036    
037    @XmlTransient
038    private BundleContext bundleContext;
039
040    public BundleContext getBundleContext() {
041        return bundleContext;
042    }
043
044    public void setBundleContext(BundleContext bundleContext) {
045        LOG.debug("Using BundleContext: {}", bundleContext);
046        this.bundleContext = bundleContext;
047    }
048    
049    protected SpringCamelContext createContext() {
050        SpringCamelContext ctx = newCamelContext();
051        // only set the name if its explicit (Camel will auto assign name if none explicit set)
052        if (!isImplicitId()) {
053            ctx.setName(getId());
054        }
055        return ctx;
056    }
057    
058    protected SpringCamelContext newCamelContext() {
059        return new OsgiSpringCamelContext(getApplicationContext(), getBundleContext());
060    }
061
062    @Override
063    public void afterPropertiesSet() throws Exception {
064        super.afterPropertiesSet();
065        getContext().getManagementStrategy().addEventNotifier(new OsgiCamelContextPublisher(bundleContext));
066        try {
067            getClass().getClassLoader().loadClass("org.osgi.service.event.EventAdmin");
068            getContext().getManagementStrategy().addEventNotifier(new OsgiEventAdminNotifier(bundleContext));
069        } catch (Throwable t) {
070            // Ignore, if the EventAdmin package is not available, just don't use it
071            LOG.debug("EventAdmin package is not available, just don't use it");
072        }
073    }
074}