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.camel.blueprint;
018    
019    
020    import java.util.Set;
021    import javax.xml.bind.annotation.XmlAccessType;
022    import javax.xml.bind.annotation.XmlAccessorType;
023    import javax.xml.bind.annotation.XmlRootElement;
024    import javax.xml.bind.annotation.XmlTransient;
025    
026    import org.apache.camel.CamelContext;
027    import org.apache.camel.Endpoint;
028    import org.apache.camel.core.xml.AbstractCamelEndpointFactoryBean;
029    import org.osgi.service.blueprint.container.BlueprintContainer;
030    
031    /**
032     * A factory which instantiates {@link Endpoint} objects
033     *
034     * @version 
035     */
036    @XmlRootElement(name = "endpoint")
037    @XmlAccessorType(XmlAccessType.FIELD)
038    public class CamelEndpointFactoryBean extends AbstractCamelEndpointFactoryBean {
039    
040        @XmlTransient
041        private BlueprintContainer blueprintContainer;
042    
043        public void setBlueprintContainer(BlueprintContainer blueprintContainer) {
044            this.blueprintContainer = blueprintContainer;
045        }
046    
047        @Override
048        protected CamelContext getCamelContextWithId(String camelContextId) {
049            if (blueprintContainer != null) {
050                return (CamelContext) blueprintContainer.getComponentInstance(camelContextId);
051            }
052            return null;
053        }
054    
055        @Override
056        protected CamelContext discoverDefaultCamelContext() {
057            if (blueprintContainer != null) {
058                Set<String> ids = BlueprintCamelContextLookupHelper.lookupBlueprintCamelContext(blueprintContainer);
059                if (ids.size() == 1) {
060                    // there is only 1 id for a BlueprintCamelContext so fallback and use this
061                    return getCamelContextWithId(ids.iterator().next());
062                }
063            }
064            return null;
065        }
066    
067    }