Coverage Report - org.apache.camel.spring.xml.CamelNamespaceHandler
 
Classes in this File Line Coverage Branch Coverage Complexity
CamelNamespaceHandler
100% 
100% 
0
 
 1  
 /**
 2  
  *
 3  
  * Licensed to the Apache Software Foundation (ASF) under one or more
 4  
  * contributor license agreements.  See the NOTICE file distributed with
 5  
  * this work for additional information regarding copyright ownership.
 6  
  * The ASF licenses this file to You under the Apache License, Version 2.0
 7  
  * (the "License"); you may not use this file except in compliance with
 8  
  * the License.  You may obtain a copy of the License at
 9  
  *
 10  
  * http://www.apache.org/licenses/LICENSE-2.0
 11  
  *
 12  
  * Unless required by applicable law or agreed to in writing, software
 13  
  * distributed under the License is distributed on an "AS IS" BASIS,
 14  
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 15  
  * See the License for the specific language governing permissions and
 16  
  * limitations under the License.
 17  
  */
 18  
 package org.apache.camel.spring.xml;
 19  
 
 20  
 import org.apache.camel.spring.CamelContextFactoryBean;
 21  
 import org.apache.camel.spring.EndpointFactoryBean;
 22  
 import org.apache.camel.spring.CamelBeanPostProcessor;
 23  
 import static org.apache.camel.util.ObjectHelper.isNotNullOrBlank;
 24  
 import org.apache.camel.builder.xml.XPathBuilder;
 25  
 import org.springframework.beans.factory.config.BeanDefinition;
 26  
 import org.springframework.beans.factory.config.RuntimeBeanReference;
 27  
 import org.springframework.beans.factory.parsing.BeanComponentDefinition;
 28  
 import org.springframework.beans.factory.support.BeanDefinitionBuilder;
 29  
 import org.springframework.beans.factory.xml.NamespaceHandlerSupport;
 30  
 import org.springframework.beans.factory.xml.ParserContext;
 31  
 import org.springframework.util.xml.DomUtils;
 32  
 import org.w3c.dom.Element;
 33  
 import org.w3c.dom.Node;
 34  
 import org.w3c.dom.NodeList;
 35  
 
 36  
 import java.util.Set;
 37  
 import java.util.HashSet;
 38  
 
 39  24
 public class CamelNamespaceHandler extends NamespaceHandlerSupport {
 40  24
     protected CamelBeanDefinitionParser routesParser = new CamelBeanDefinitionParser(this);
 41  24
     protected BeanDefinitionParser endpointParser = new BeanDefinitionParser(EndpointFactoryBean.class);
 42  24
     protected BeanDefinitionParser beanPostProcessorParser = new BeanDefinitionParser(CamelBeanPostProcessor.class);
 43  24
     protected Set<String> parserElementNames = new HashSet<String>();
 44  
 
 45  
     public void init() {
 46  24
         registerParser("routes", routesParser);
 47  24
         registerParser("routeBuilder", routesParser);
 48  24
         registerParser("endpoint", endpointParser);
 49  
 
 50  24
         registerParser("camelContext", new BeanDefinitionParser(CamelContextFactoryBean.class) {
 51  
             @Override
 52  24
             protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
 53  27
                 super.doParse(element, parserContext, builder);
 54  
 
 55  27
                 String contextId = element.getAttribute("id");
 56  
 
 57  27
                 Element routes = element.getOwnerDocument().createElement("routes");
 58  
                 // now lets move all the content there...
 59  27
                 NodeList list = element.getChildNodes();
 60  121
                 for (int size = list.getLength(), i = 0; i < size; i++) {
 61  94
                     Node child = list.item(i);
 62  94
                     if (child instanceof Element) {
 63  35
                         Element childElement = (Element) child;
 64  35
                         if (child.getLocalName().equals("beanPostProcessor")) {
 65  4
                             String beanPostProcessorId = contextId + ":beanPostProcessor";
 66  4
                             childElement.setAttribute("id", beanPostProcessorId);
 67  4
                             BeanDefinition definition = beanPostProcessorParser.parse(childElement, parserContext);
 68  4
                             definition.getPropertyValues().addPropertyValue("camelContext", new RuntimeBeanReference(contextId));
 69  4
                         }
 70  
                         else {
 71  31
                             element.removeChild(child);
 72  31
                             routes.appendChild(child);
 73  
                         }
 74  
                     }
 75  
                 }
 76  27
                 String routeId = contextId + ":routes";
 77  27
                 routes.setAttribute("id", routeId);
 78  
 
 79  27
                 BeanDefinition definition = routesParser.parse(routes, parserContext);
 80  27
                 definition.getPropertyValues().addPropertyValue("context", new RuntimeBeanReference(contextId));
 81  27
                 parserContext.registerComponent(new BeanComponentDefinition(definition, routeId));
 82  
 
 83  27
                 list = routes.getElementsByTagName("endpoint");
 84  38
                 for (int size = list.getLength(), i = 0; i < size; i++) {
 85  11
                     Element node = (Element) list.item(i);
 86  11
                     definition = endpointParser.parse(node, parserContext);
 87  11
                     String id = node.getAttribute("id");
 88  11
                     if (isNotNullOrBlank(id)) {
 89  11
                         definition.getPropertyValues().addPropertyValue("context", new RuntimeBeanReference(contextId));
 90  
                         //definition.getPropertyValues().addPropertyValue("context", builder.getBeanDefinition());
 91  11
                         parserContext.registerComponent(new BeanComponentDefinition(definition, id));
 92  
                     }
 93  
                 }
 94  27
             }
 95  
         });
 96  
 
 97  24
         registerParser("xpath", new BeanDefinitionParser(XPathBuilder.class) {
 98  
             @Override
 99  24
             protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
 100  
                 // lets create a child context
 101  2
                 String xpath = DomUtils.getTextValue(element);
 102  2
                 builder.addConstructorArg(xpath);
 103  2
                 super.doParse(element, parserContext, builder);
 104  2
                 builder.addPropertyValue("namespacesFromDom", element);
 105  2
             }
 106  
         });
 107  
 
 108  
 
 109  
         // scripting expressions
 110  24
         registerScriptParser("script", null);
 111  24
         registerScriptParser("groovy", "groovy");
 112  24
         registerScriptParser("ruby", "jruby");
 113  24
         registerScriptParser("javaScript", "js");
 114  24
         registerScriptParser("python", "python");
 115  24
         registerScriptParser("php", "php");
 116  24
     }
 117  
 
 118  
     protected void registerScriptParser(String elementName, String engineName) {
 119  144
         registerParser(elementName, new ScriptDefinitionParser(engineName));
 120  144
     }
 121  
 
 122  
     protected void registerParser(String name, org.springframework.beans.factory.xml.BeanDefinitionParser parser) {
 123  264
         parserElementNames.add(name);
 124  264
         registerBeanDefinitionParser(name, parser);
 125  264
     }
 126  
 
 127  
     public Set<String> getParserElementNames() {
 128  2
         return parserElementNames;
 129  
     }
 130  
 }