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.component.velocity;
018    
019    import java.util.Map;
020    
021    import org.apache.camel.Endpoint;
022    import org.apache.camel.component.ResourceBasedComponent;
023    import org.apache.camel.util.ObjectHelper;
024    import org.apache.velocity.app.VelocityEngine;
025    
026    /**
027     * @version 
028     */
029    public class VelocityComponent extends ResourceBasedComponent {
030        private VelocityEngine velocityEngine;
031    
032        public VelocityEngine getVelocityEngine() {
033            return velocityEngine;
034        }
035    
036        public void setVelocityEngine(VelocityEngine velocityEngine) {
037            this.velocityEngine = velocityEngine;
038        }
039    
040        protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
041            String propertiesFile = getAndRemoveParameter(parameters, "propertiesFile", String.class);
042            String encoding = getAndRemoveParameter(parameters, "encoding", String.class);
043            boolean cache = getAndRemoveParameter(parameters, "contentCache", Boolean.class, Boolean.TRUE);        
044            VelocityEndpoint answer = new VelocityEndpoint(uri, this, remaining);
045            answer.setContentCache(cache);
046            answer.setPropertiesFile(propertiesFile);
047            if (ObjectHelper.isNotEmpty(encoding)) {
048                answer.setEncoding(encoding);
049            }
050            answer.setVelocityEngine(velocityEngine);
051            return answer;
052        }
053    }