| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.camel.karaf.commands.internal; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Comparator; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.Callable; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.commands.AbstractLocalCamelController; |
| import org.apache.camel.util.ObjectHelper; |
| import org.apache.karaf.shell.api.action.lifecycle.Reference; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.ServiceReference; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Implementation of <code>CamelController</code>. |
| */ |
| public class CamelControllerImpl extends AbstractLocalCamelController { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(CamelControllerImpl.class); |
| |
| @Reference |
| private BundleContext bundleContext; |
| |
| public void setBundleContext(BundleContext bundleContext) { |
| this.bundleContext = bundleContext; |
| } |
| |
| @Override |
| public List<CamelContext> getLocalCamelContexts() { |
| List<CamelContext> camelContexts = new ArrayList<>(); |
| try { |
| ServiceReference<?>[] references = bundleContext.getServiceReferences(CamelContext.class.getName(), null); |
| if (references != null) { |
| for (ServiceReference<?> reference : references) { |
| if (reference != null) { |
| CamelContext camelContext = (CamelContext) bundleContext.getService(reference); |
| if (camelContext != null) { |
| camelContexts.add(camelContext); |
| } |
| } |
| } |
| } |
| } catch (Exception e) { |
| LOG.warn("Cannot retrieve the list of Camel contexts.", e); |
| } |
| |
| // sort the list |
| Collections.sort(camelContexts, new Comparator<CamelContext>() { |
| @Override |
| public int compare(CamelContext o1, CamelContext o2) { |
| return o1.getName().compareTo(o2.getName()); |
| } |
| }); |
| |
| return camelContexts; |
| } |
| |
| @Override |
| public List<Map<String, String>> getCamelContexts() throws Exception { |
| List<Map<String, String>> answer = new ArrayList<>(); |
| |
| List<CamelContext> camelContexts = getLocalCamelContexts(); |
| for (CamelContext camelContext : camelContexts) { |
| Map<String, String> row = new LinkedHashMap<>(); |
| row.put("name", camelContext.getName()); |
| row.put("state", camelContext.getStatus().name()); |
| row.put("uptime", camelContext.getUptime()); |
| if (camelContext.getManagedCamelContext() != null) { |
| row.put("exchangesTotal", "" + camelContext.getManagedCamelContext().getExchangesTotal()); |
| row.put("exchangesInflight", "" + camelContext.getManagedCamelContext().getExchangesInflight()); |
| row.put("exchangesFailed", "" + camelContext.getManagedCamelContext().getExchangesFailed()); |
| } else { |
| row.put("exchangesTotal", "0"); |
| row.put("exchangesInflight", "0"); |
| row.put("exchangesFailed", "0"); |
| } |
| answer.add(row); |
| } |
| |
| return answer; |
| } |
| |
| @Override |
| public void startContext(String camelContextName) throws Exception { |
| final CamelContext context = getLocalCamelContext(camelContextName); |
| if (context != null) { |
| ObjectHelper.callWithTCCL(new Callable<Object>() { |
| @Override |
| public Object call() throws Exception { |
| context.start(); |
| return null; |
| } |
| }, getClassLoader(context)); |
| } |
| } |
| |
| @Override |
| public void resumeContext(String camelContextName) throws Exception { |
| final CamelContext context = getLocalCamelContext(camelContextName); |
| if (context != null) { |
| ObjectHelper.callWithTCCL(new Callable<Object>() { |
| @Override |
| public Object call() throws Exception { |
| context.resume(); |
| return null; |
| } |
| }, getClassLoader(context)); |
| } |
| } |
| |
| @Override |
| public void startRoute(String camelContextName, final String routeId) throws Exception { |
| final CamelContext context = getLocalCamelContext(camelContextName); |
| if (context != null) { |
| ObjectHelper.callWithTCCL(new Callable<Object>() { |
| @Override |
| public Object call() throws Exception { |
| context.startRoute(routeId); |
| return null; |
| } |
| }, getClassLoader(context)); |
| } |
| } |
| |
| @Override |
| public void resumeRoute(String camelContextName, final String routeId) throws Exception { |
| final CamelContext context = getLocalCamelContext(camelContextName); |
| if (context != null) { |
| ObjectHelper.callWithTCCL(new Callable<Object>() { |
| @Override |
| public Object call() throws Exception { |
| context.resumeRoute(routeId); |
| return null; |
| } |
| }, getClassLoader(context)); |
| } |
| } |
| |
| /** |
| * Gets classloader associated with {@link CamelContext} |
| * @param context |
| * @return |
| */ |
| private ClassLoader getClassLoader(CamelContext context) { |
| return context.getApplicationContextClassLoader(); |
| } |
| |
| } |