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 java.lang.reflect.Method;
020    import java.util.HashMap;
021    import java.util.HashSet;
022    import java.util.Map;
023    import java.util.Set;
024    
025    import javax.xml.bind.Binder;
026    import javax.xml.bind.JAXBContext;
027    import javax.xml.bind.JAXBException;
028    
029    import org.w3c.dom.Document;
030    import org.w3c.dom.Element;
031    import org.w3c.dom.Node;
032    import org.w3c.dom.NodeList;
033    
034    import org.apache.camel.builder.xml.Namespaces;
035    import org.apache.camel.core.xml.CamelJMXAgentDefinition;
036    import org.apache.camel.core.xml.CamelPropertyPlaceholderDefinition;
037    import org.apache.camel.impl.DefaultCamelContextNameStrategy;
038    import org.apache.camel.model.FromDefinition;
039    import org.apache.camel.model.SendDefinition;
040    import org.apache.camel.spi.CamelContextNameStrategy;
041    import org.apache.camel.spi.NamespaceAware;
042    import org.apache.camel.spring.CamelBeanPostProcessor;
043    import org.apache.camel.spring.CamelConsumerTemplateFactoryBean;
044    import org.apache.camel.spring.CamelContextFactoryBean;
045    import org.apache.camel.spring.CamelEndpointFactoryBean;
046    import org.apache.camel.spring.CamelProducerTemplateFactoryBean;
047    import org.apache.camel.spring.CamelRouteContextFactoryBean;
048    import org.apache.camel.spring.CamelThreadPoolFactoryBean;
049    import org.apache.camel.spring.remoting.CamelProxyFactoryBean;
050    import org.apache.camel.spring.remoting.CamelServiceExporter;
051    import org.apache.camel.util.ObjectHelper;
052    import org.apache.camel.view.ModelFileGenerator;
053    import org.apache.commons.logging.Log;
054    import org.apache.commons.logging.LogFactory;
055    import org.springframework.beans.factory.BeanCreationException;
056    import org.springframework.beans.factory.BeanDefinitionStoreException;
057    import org.springframework.beans.factory.config.BeanDefinition;
058    import org.springframework.beans.factory.config.RuntimeBeanReference;
059    import org.springframework.beans.factory.parsing.BeanComponentDefinition;
060    import org.springframework.beans.factory.support.BeanDefinitionBuilder;
061    import org.springframework.beans.factory.xml.NamespaceHandlerSupport;
062    import org.springframework.beans.factory.xml.ParserContext;
063    
064    /**
065     * Camel namespace for the spring XML configuration file.
066     */
067    public class CamelNamespaceHandler extends NamespaceHandlerSupport {
068        private static final String SPRING_NS = "http://camel.apache.org/schema/spring";
069        private static final Log LOG = LogFactory.getLog(CamelNamespaceHandler.class);
070        protected BeanDefinitionParser endpointParser = new BeanDefinitionParser(CamelEndpointFactoryBean.class, false);
071        protected BeanDefinitionParser beanPostProcessorParser = new BeanDefinitionParser(CamelBeanPostProcessor.class, false);
072        protected Set<String> parserElementNames = new HashSet<String>();
073        private JAXBContext jaxbContext;
074        private Map<String, BeanDefinitionParser> parserMap = new HashMap<String, BeanDefinitionParser>();
075        private Map<String, BeanDefinition> autoRegisterMap = new HashMap<String, BeanDefinition>();
076    
077        public static void renameNamespaceRecursive(Node node) {
078            if (node.getNodeType() == Node.ELEMENT_NODE) {
079                Document doc = node.getOwnerDocument();
080                if (node.getNamespaceURI().startsWith(SPRING_NS + "/v")) {
081                    doc.renameNode(node, SPRING_NS, node.getNodeName());
082                }
083            }
084            NodeList list = node.getChildNodes();
085            for (int i = 0; i < list.getLength(); ++i) {
086                renameNamespaceRecursive(list.item(i));
087            }
088        }
089    
090        public ModelFileGenerator createModelFileGenerator() throws JAXBException {
091            return new ModelFileGenerator(getJaxbContext());
092        }
093    
094        public void init() {
095            // register routeContext parser
096            registerParser("routeContext", new RouteContextDefinitionParser());
097    
098            addBeanDefinitionParser("proxy", CamelProxyFactoryBean.class, true, false);
099            addBeanDefinitionParser("template", CamelProducerTemplateFactoryBean.class, true, false);
100            addBeanDefinitionParser("consumerTemplate", CamelConsumerTemplateFactoryBean.class, true, false);
101            addBeanDefinitionParser("export", CamelServiceExporter.class, true, false);
102            addBeanDefinitionParser("endpoint", CamelEndpointFactoryBean.class, true, false);
103            addBeanDefinitionParser("threadPool", CamelThreadPoolFactoryBean.class, true, true);
104    
105            // jmx agent and property placeholder cannot be used outside of the camel context
106            addBeanDefinitionParser("jmxAgent", CamelJMXAgentDefinition.class, false, false);
107            addBeanDefinitionParser("propertyPlaceholder", CamelPropertyPlaceholderDefinition.class, false, false);
108    
109            // errorhandler could be the sub element of camelContext or defined outside camelContext
110            BeanDefinitionParser errorHandlerParser = new ErrorHandlerDefinitionParser();
111            registerParser("errorHandler", errorHandlerParser);
112            parserMap.put("errorHandler", errorHandlerParser);
113    
114            // camel context
115            boolean osgi = false;
116            Class cl = CamelContextFactoryBean.class;
117            try {
118                Class<?> c = Class.forName("org.apache.camel.osgi.Activator");
119                Method mth = c.getDeclaredMethod("getBundle");
120                Object bundle = mth.invoke(null);
121                if (bundle != null) {
122                    cl = Class.forName("org.apache.camel.osgi.CamelContextFactoryBean");
123                    osgi = true;
124                }
125            } catch (Throwable t) {
126                // not running with camel-osgi so we fallback to the regular factory bean
127                LOG.trace("Cannot find class so assuming not running in OSGi container: " + t.getMessage());
128            }
129            if (osgi) {
130                LOG.info("OSGi environment detected.");
131            } else {
132                LOG.info("OSGi environment not detected.");
133            }
134            if (LOG.isDebugEnabled()) {
135                LOG.debug("Using " + cl.getCanonicalName() + " as CamelContextBeanDefinitionParser");
136            }
137            registerParser("camelContext", new CamelContextBeanDefinitionParser(cl));
138        }
139    
140        private void addBeanDefinitionParser(String elementName, Class<?> type, boolean register, boolean assignId) {
141            BeanDefinitionParser parser = new BeanDefinitionParser(type, assignId);
142            if (register) {
143                registerParser(elementName, parser);
144            }
145            parserMap.put(elementName, parser);
146        }
147    
148        protected void createBeanPostProcessor(ParserContext parserContext, String contextId, Element childElement, BeanDefinitionBuilder parentBuilder) {
149            String beanPostProcessorId = contextId + ":beanPostProcessor";
150            childElement.setAttribute("id", beanPostProcessorId);
151            BeanDefinition definition = beanPostProcessorParser.parse(childElement, parserContext);
152            // only register to camel context id as a String. Then we can look it up later
153            // otherwise we get a circular reference in spring and it will not allow custom bean post processing
154            // see more at CAMEL-1663
155            definition.getPropertyValues().addPropertyValue("camelId", contextId);
156            parentBuilder.addPropertyReference("beanPostProcessor", beanPostProcessorId);
157        }
158    
159        protected void registerParser(String name, org.springframework.beans.factory.xml.BeanDefinitionParser parser) {
160            parserElementNames.add(name);
161            registerBeanDefinitionParser(name, parser);
162        }
163    
164        protected Object parseUsingJaxb(Element element, ParserContext parserContext, Binder<Node> binder) {
165            try {
166                return binder.unmarshal(element);
167            } catch (JAXBException e) {
168                throw new BeanDefinitionStoreException("Failed to parse JAXB element", e);
169            }
170        }
171    
172        public JAXBContext getJaxbContext() throws JAXBException {
173            if (jaxbContext == null) {
174                jaxbContext = createJaxbContext();
175            }
176            return jaxbContext;
177        }
178    
179        protected JAXBContext createJaxbContext() throws JAXBException {
180            StringBuilder packages = new StringBuilder();
181            for (Class cl : getJaxbPackages()) {
182                if (packages.length() > 0) {
183                    packages.append(":");
184                }
185                packages.append(cl.getName().substring(0, cl.getName().lastIndexOf('.')));
186            }
187            return JAXBContext.newInstance(packages.toString(), getClass().getClassLoader());
188        }
189    
190        protected Set<Class> getJaxbPackages() {
191            Set<Class> classes = new HashSet<Class>();
192            classes.add(org.apache.camel.spring.CamelContextFactoryBean.class);
193            classes.add(CamelJMXAgentDefinition.class);
194            classes.add(org.apache.camel.ExchangePattern.class);
195            classes.add(org.apache.camel.model.RouteDefinition.class);
196            classes.add(org.apache.camel.model.config.StreamResequencerConfig.class);
197            classes.add(org.apache.camel.model.dataformat.DataFormatsDefinition.class);
198            classes.add(org.apache.camel.model.language.ExpressionDefinition.class);
199            classes.add(org.apache.camel.model.loadbalancer.RoundRobinLoadBalancerDefinition.class);
200            return classes;
201        }
202    
203        protected class RouteContextDefinitionParser extends BeanDefinitionParser {
204    
205            public RouteContextDefinitionParser() {
206                super(CamelRouteContextFactoryBean.class, false);
207            }
208    
209            @Override
210            protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
211                renameNamespaceRecursive(element);
212                super.doParse(element, parserContext, builder);
213    
214                // now lets parse the routes with JAXB
215                Binder<Node> binder;
216                try {
217                    binder = getJaxbContext().createBinder();
218                } catch (JAXBException e) {
219                    throw new BeanDefinitionStoreException("Failed to create the JAXB binder", e);
220                }
221                Object value = parseUsingJaxb(element, parserContext, binder);
222    
223                if (value instanceof CamelRouteContextFactoryBean) {
224                    CamelRouteContextFactoryBean factoryBean = (CamelRouteContextFactoryBean) value;
225                    builder.addPropertyValue("routes", factoryBean.getRoutes());
226                }
227            }
228        }
229    
230    
231        protected class CamelContextBeanDefinitionParser extends BeanDefinitionParser {
232    
233            public CamelContextBeanDefinitionParser(Class type) {
234                super(type, false);
235            }
236    
237            @Override
238            protected void doParse(Element element, ParserContext parserContext, BeanDefinitionBuilder builder) {
239                renameNamespaceRecursive(element);
240                super.doParse(element, parserContext, builder);
241    
242                String contextId = element.getAttribute("id");
243                boolean implicitId = false;
244    
245                // lets avoid folks having to explicitly give an ID to a camel context
246                if (ObjectHelper.isEmpty(contextId)) {
247                    // if no explicit id was set then use a default auto generated name
248                    CamelContextNameStrategy strategy = new DefaultCamelContextNameStrategy();
249                    contextId = strategy.getName();
250                    element.setAttribute("id", contextId);
251                    implicitId = true;
252                }
253    
254                // now lets parse the routes with JAXB
255                Binder<Node> binder;
256                try {
257                    binder = getJaxbContext().createBinder();
258                } catch (JAXBException e) {
259                    throw new BeanDefinitionStoreException("Failed to create the JAXB binder", e);
260                }
261                Object value = parseUsingJaxb(element, parserContext, binder);
262    
263                if (value instanceof CamelContextFactoryBean) {
264                    // set the property value with the JAXB parsed value
265                    CamelContextFactoryBean factoryBean = (CamelContextFactoryBean) value;
266                    builder.addPropertyValue("id", contextId);
267                    builder.addPropertyValue("implicitId", implicitId);
268                    builder.addPropertyValue("routes", factoryBean.getRoutes());
269                    builder.addPropertyValue("intercepts", factoryBean.getIntercepts());
270                    builder.addPropertyValue("interceptFroms", factoryBean.getInterceptFroms());
271                    builder.addPropertyValue("interceptSendToEndpoints", factoryBean.getInterceptSendToEndpoints());
272                    builder.addPropertyValue("dataFormats", factoryBean.getDataFormats());
273                    builder.addPropertyValue("onCompletions", factoryBean.getOnCompletions());
274                    builder.addPropertyValue("onExceptions", factoryBean.getOnExceptions());
275                    builder.addPropertyValue("builderRefs", factoryBean.getBuilderRefs());
276                    builder.addPropertyValue("routeRefs", factoryBean.getRouteRefs());
277                    builder.addPropertyValue("properties", factoryBean.getProperties());
278                    builder.addPropertyValue("packageScan", factoryBean.getPackageScan());
279                    builder.addPropertyValue("contextScan", factoryBean.getContextScan());
280                    if (factoryBean.getPackages().length > 0) {
281                        builder.addPropertyValue("packages", factoryBean.getPackages());
282                    }
283                    builder.addPropertyValue("camelPropertyPlaceholder", factoryBean.getCamelPropertyPlaceholder());
284                    builder.addPropertyValue("camelJMXAgent", factoryBean.getCamelJMXAgent());
285                    builder.addPropertyValue("threadPoolProfiles", factoryBean.getThreadPoolProfiles());
286                    // add any depends-on
287                    addDependsOn(factoryBean, builder);
288                }
289    
290                boolean createdBeanPostProcessor = false;
291                NodeList list = element.getChildNodes();
292                int size = list.getLength();
293                for (int i = 0; i < size; i++) {
294                    Node child = list.item(i);
295                    if (child instanceof Element) {
296                        Element childElement = (Element) child;
297                        String localName = child.getLocalName();
298                        if (localName.equals("beanPostProcessor")) {
299                            createBeanPostProcessor(parserContext, contextId, childElement, builder);
300                            createdBeanPostProcessor = true;
301                        } else if (localName.equals("endpoint")) {
302                            registerEndpoint(childElement, parserContext, contextId);
303                        } else if (localName.equals("routeBuilder")) {
304                            addDependsOnToRouteBuilder(childElement, parserContext, contextId);
305                        } else {
306                            BeanDefinitionParser parser = parserMap.get(localName);
307                            if (parser != null) {
308                                BeanDefinition definition = parser.parse(childElement, parserContext);
309                                String id = childElement.getAttribute("id");
310                                if (ObjectHelper.isNotEmpty(id)) {
311                                    parserContext.registerComponent(new BeanComponentDefinition(definition, id));
312                                    // set the templates with the camel context
313                                    if (localName.equals("template") || localName.equals("consumerTemplate")
314                                            || localName.equals("proxy") || localName.equals("export")) {
315                                        // set the camel context
316                                        definition.getPropertyValues().addPropertyValue("camelContext", new RuntimeBeanReference(contextId));
317                                    }
318                                }
319                            }
320                        }
321                    }
322                }
323    
324                // register as endpoint defined indirectly in the routes by from/to types having id explicit set
325                registerEndpointsWithIdsDefinedInFromOrToTypes(element, parserContext, contextId, binder);
326    
327                // register templates if not already defined
328                registerTemplates(element, parserContext, contextId);
329    
330                // lets inject the namespaces into any namespace aware POJOs
331                injectNamespaces(element, binder);
332                if (!createdBeanPostProcessor) {
333                    // no bean processor element so lets create it by our self
334                    Element childElement = element.getOwnerDocument().createElement("beanPostProcessor");
335                    element.appendChild(childElement);
336                    createBeanPostProcessor(parserContext, contextId, childElement, builder);
337                }
338            }
339        }
340    
341        protected void addDependsOn(CamelContextFactoryBean factoryBean, BeanDefinitionBuilder builder) {
342            String dependsOn = factoryBean.getDependsOn();
343            if (ObjectHelper.isNotEmpty(dependsOn)) {
344                // comma, whitespace and semi colon is valid separators in Spring depends-on
345                String[] depends = dependsOn.split(",|;|\\s");
346                if (depends == null) {
347                    throw new IllegalArgumentException("Cannot separate depends-on, was: " + dependsOn);
348                } else {
349                    for (String depend : depends) {
350                        depend = depend.trim();
351                        if (LOG.isDebugEnabled()) {
352                            LOG.debug("Adding dependsOn " + depend + " to CamelContext(" + factoryBean.getId() + ")");
353                        }
354                        builder.addDependsOn(depend);
355                    }
356                }
357            }
358        }
359    
360        private void addDependsOnToRouteBuilder(Element childElement, ParserContext parserContext, String contextId) {
361            // setting the depends-on explicitly is required since Spring 3.0
362            String routeBuilderName = childElement.getAttribute("ref");
363            if (ObjectHelper.isNotEmpty(routeBuilderName)) {
364                // set depends-on to the context for a routeBuilder bean
365                try {
366                    BeanDefinition definition = parserContext.getRegistry().getBeanDefinition(routeBuilderName);
367                    Method getDependsOn = definition.getClass().getMethod("getDependsOn", new Class[]{});
368                    String[] dependsOn = (String[])getDependsOn.invoke(definition, new Object[]{});
369                    if (dependsOn == null || dependsOn.length == 0) {
370                        dependsOn = new String[]{contextId};
371                    } else {
372                        String[] temp = new String[dependsOn.length + 1];
373                        System.arraycopy(dependsOn, 0, temp, 0, dependsOn.length);
374                        temp[dependsOn.length] = contextId;
375                        dependsOn = temp;
376                    }
377                    Method method = definition.getClass().getMethod("setDependsOn", String[].class);
378                    method.invoke(definition, (Object)dependsOn);
379                } catch (Exception e) {
380                    // Do nothing here
381                }
382            }
383        }
384    
385        protected void injectNamespaces(Element element, Binder<Node> binder) {
386            NodeList list = element.getChildNodes();
387            Namespaces namespaces = null;
388            int size = list.getLength();
389            for (int i = 0; i < size; i++) {
390                Node child = list.item(i);
391                if (child instanceof Element) {
392                    Element childElement = (Element) child;
393                    Object object = binder.getJAXBNode(child);
394                    if (object instanceof NamespaceAware) {
395                        NamespaceAware namespaceAware = (NamespaceAware) object;
396                        if (namespaces == null) {
397                            namespaces = new Namespaces(element);
398                        }
399                        namespaces.configure(namespaceAware);
400                    }
401                    injectNamespaces(childElement, binder);
402                }
403            }
404        }
405    
406        /**
407         * Used for auto registering endpoints from the <tt>from</tt> or <tt>to</tt> DSL if they have an id attribute set
408         */
409        protected void registerEndpointsWithIdsDefinedInFromOrToTypes(Element element, ParserContext parserContext, String contextId, Binder<Node> binder) {
410            NodeList list = element.getChildNodes();
411            int size = list.getLength();
412            for (int i = 0; i < size; i++) {
413                Node child = list.item(i);
414                if (child instanceof Element) {
415                    Element childElement = (Element) child;
416                    Object object = binder.getJAXBNode(child);
417                    // we only want from/to types to be registered as endpoints
418                    if (object instanceof FromDefinition || object instanceof SendDefinition) {
419                        registerEndpoint(childElement, parserContext, contextId);
420                    }
421                    // recursive
422                    registerEndpointsWithIdsDefinedInFromOrToTypes(childElement, parserContext, contextId, binder);
423                }
424            }
425        }
426    
427        /**
428         * Used for auto registering producer and consumer templates if not already defined in XML.
429         */
430        protected void registerTemplates(Element element, ParserContext parserContext, String contextId) {
431            boolean template = false;
432            boolean consumerTemplate = false;
433    
434            NodeList list = element.getChildNodes();
435            int size = list.getLength();
436            for (int i = 0; i < size; i++) {
437                Node child = list.item(i);
438                if (child instanceof Element) {
439                    Element childElement = (Element) child;
440                    String localName = childElement.getLocalName();
441                    if ("template".equals(localName)) {
442                        template = true;
443                    } else if ("consumerTemplate".equals(localName)) {
444                        consumerTemplate = true;
445                    }
446                }
447            }
448    
449            if (!template) {
450                // either we have not used template before or we have auto registered it already and therefore we
451                // need it to allow to do it so it can remove the existing auto registered as there is now a clash id
452                // since we have multiple camel contexts
453                boolean existing = autoRegisterMap.get("template") != null;
454                boolean inUse = false;
455                try {
456                    inUse = parserContext.getRegistry().isBeanNameInUse("template");
457                } catch (BeanCreationException e) {
458                    // Spring Eclipse Tooling may throw an exception when you edit the Spring XML online in Eclipse
459                    // when the isBeanNameInUse method is invoked, so ignore this and continue (CAMEL-2739)
460                    LOG.debug("Error checking isBeanNameInUse(template). This exception will be ignored", e);
461                }
462                if (!inUse || existing) {
463                    String id = "template";
464                    // auto create a template
465                    Element templateElement = element.getOwnerDocument().createElement("template");
466                    templateElement.setAttribute("id", id);
467                    BeanDefinitionParser parser = parserMap.get("template");
468                    BeanDefinition definition = parser.parse(templateElement, parserContext);
469    
470                    // auto register it
471                    autoRegisterBeanDefinition(id, definition, parserContext, contextId);
472                }
473            }
474    
475            if (!consumerTemplate) {
476                // either we have not used template before or we have auto registered it already and therefore we
477                // need it to allow to do it so it can remove the existing auto registered as there is now a clash id
478                // since we have multiple camel contexts
479                boolean existing = autoRegisterMap.get("consumerTemplate") != null;
480                boolean inUse = false;
481                try {
482                    inUse = parserContext.getRegistry().isBeanNameInUse("consumerTemplate");
483                } catch (BeanCreationException e) {
484                    // Spring Eclipse Tooling may throw an exception when you edit the Spring XML online in Eclipse
485                    // when the isBeanNameInUse method is invoked, so ignore this and continue (CAMEL-2739)
486                    LOG.debug("Error checking isBeanNameInUse(consumerTemplate). This exception will be ignored", e);
487                }
488                if (!inUse || existing) {
489                    String id = "consumerTemplate";
490                    // auto create a template
491                    Element templateElement = element.getOwnerDocument().createElement("consumerTemplate");
492                    templateElement.setAttribute("id", id);
493                    BeanDefinitionParser parser = parserMap.get("consumerTemplate");
494                    BeanDefinition definition = parser.parse(templateElement, parserContext);
495    
496                    // auto register it
497                    autoRegisterBeanDefinition(id, definition, parserContext, contextId);
498                }
499            }
500    
501        }
502    
503        private void autoRegisterBeanDefinition(String id, BeanDefinition definition, ParserContext parserContext, String contextId) {
504            // it is a bit cumbersome to work with the spring bean definition parser
505            // as we kinda need to eagerly register the bean definition on the parser context
506            // and then later we might find out that we should not have done that in case we have multiple camel contexts
507            // that would have a id clash by auto registering the same bean definition with the same id such as a producer template
508    
509            // see if we have already auto registered this id
510            BeanDefinition existing = autoRegisterMap.get(id);
511            if (existing == null) {
512                // no then add it to the map and register it
513                autoRegisterMap.put(id, definition);
514                parserContext.registerComponent(new BeanComponentDefinition(definition, id));
515                if (LOG.isDebugEnabled()) {
516                    LOG.debug("Registered default: " + definition.getBeanClassName() + " with id: " + id + " on camel context: " + contextId);
517                }
518            } else {
519                // ups we have already registered it before with same id, but on another camel context
520                // this is not good so we need to remove all traces of this auto registering.
521                // end user must manually add the needed XML elements and provide unique ids access all camel context himself.
522                if (LOG.isDebugEnabled()) {
523                    LOG.debug("Unregistered default: " + definition.getBeanClassName() + " with id: " + id
524                            + " as we have multiple camel contexts and they must use unique ids."
525                            + " You must define the definition in the XML file manually to avoid id clashes when using multiple camel contexts");
526                }
527    
528                parserContext.getRegistry().removeBeanDefinition(id);
529            }
530        }
531    
532        private void registerEndpoint(Element childElement, ParserContext parserContext, String contextId) {
533            String id = childElement.getAttribute("id");
534            // must have an id to be registered
535            if (ObjectHelper.isNotEmpty(id)) {
536                BeanDefinition definition = endpointParser.parse(childElement, parserContext);
537                definition.getPropertyValues().addPropertyValue("camelContext", new RuntimeBeanReference(contextId));
538                // Need to add this dependency of CamelContext for Spring 3.0
539                try {
540                    Method method = definition.getClass().getMethod("setDependsOn", String[].class);
541                    method.invoke(definition, (Object) new String[]{contextId});
542                } catch (Exception e) {
543                    // Do nothing here
544                }
545                parserContext.registerBeanComponent(new BeanComponentDefinition(definition, id));
546            }
547        }
548    
549    }