001    /**
002     *
003     * Licensed to the Apache Software Foundation (ASF) under one or more
004     * contributor license agreements.  See the NOTICE file distributed with
005     * this work for additional information regarding copyright ownership.
006     * The ASF licenses this file to You under the Apache License, Version 2.0
007     * (the "License"); you may not use this file except in compliance with
008     * the License.  You may obtain a copy of the License at
009     *
010     * http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    package org.apache.camel.spring.xml;
019    
020    import org.springframework.beans.factory.support.BeanDefinitionBuilder;
021    import org.springframework.beans.factory.xml.ParserContext;
022    import org.springframework.util.xml.DomUtils;
023    import org.w3c.dom.Element;
024    
025    /**
026     * A parser of the various scripting language expressions
027     *
028     * @version $Revision: 1.1 $
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.addConstructorArg(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    }