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.spring.handler;
018    
019    import org.w3c.dom.Element;
020    
021    import org.springframework.beans.factory.support.BeanDefinitionBuilder;
022    import org.springframework.beans.factory.xml.ParserContext;
023    import org.springframework.util.xml.DomUtils;
024    
025    /**
026     * A parser of the various scripting language expressions
027     *
028     * @version $Revision: 663832 $
029     */
030    public class ScriptDefinitionParser extends LazyLoadingBeanDefinitionParser {
031        private final String scriptEngineName;
032    
033        public ScriptDefinitionParser(String scriptEngineName) {
034            super("org.apache.camel.builder.script.ScriptBuilder", "camel-script");
035            this.scriptEngineName = scriptEngineName;
036        }
037    
038        @Override
039        protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
040            // lets create a child context
041            String engine = scriptEngineName;
042            if (engine == null) {
043                engine = element.getAttribute("language");
044            }
045            builder.addConstructorArgValue(engine);
046            super.doParse(element, parserContext, builder);
047            String scriptText = DomUtils.getTextValue(element).trim();
048            if (scriptText.length() > 0) {
049                builder.addPropertyValue("scriptText", scriptText);
050            }
051        }
052    }