| /* |
| * 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.dubbo.config.spring.status; |
| |
| import org.apache.dubbo.common.extension.Activate; |
| import org.apache.dubbo.common.logger.Logger; |
| import org.apache.dubbo.common.logger.LoggerFactory; |
| import org.apache.dubbo.common.status.Status; |
| import org.apache.dubbo.common.status.StatusChecker; |
| import org.apache.dubbo.config.spring.extension.SpringExtensionInjector; |
| import org.apache.dubbo.rpc.model.ApplicationModel; |
| |
| import org.springframework.context.ApplicationContext; |
| import org.springframework.context.Lifecycle; |
| |
| import java.lang.reflect.Method; |
| |
| /** |
| * SpringStatusChecker |
| */ |
| @Activate |
| public class SpringStatusChecker implements StatusChecker { |
| |
| private static final Logger logger = LoggerFactory.getLogger(SpringStatusChecker.class); |
| |
| private ApplicationModel applicationModel; |
| |
| private ApplicationContext applicationContext; |
| |
| public SpringStatusChecker(ApplicationModel applicationModel) { |
| this.applicationModel = applicationModel; |
| } |
| |
| public SpringStatusChecker(ApplicationContext applicationContext) { |
| this.applicationContext = applicationContext; |
| } |
| |
| @Override |
| public Status check() { |
| |
| if (applicationContext == null && applicationModel != null) { |
| SpringExtensionInjector springExtensionInjector = SpringExtensionInjector.get(applicationModel); |
| applicationContext = springExtensionInjector.getContext(); |
| } |
| |
| if (applicationContext == null) { |
| return new Status(Status.Level.UNKNOWN); |
| } |
| |
| Status.Level level; |
| if (applicationContext instanceof Lifecycle) { |
| if (((Lifecycle) applicationContext).isRunning()) { |
| level = Status.Level.OK; |
| } else { |
| level = Status.Level.ERROR; |
| } |
| } else { |
| level = Status.Level.UNKNOWN; |
| } |
| StringBuilder buf = new StringBuilder(); |
| try { |
| Class<?> cls = applicationContext.getClass(); |
| Method method = null; |
| while (cls != null && method == null) { |
| try { |
| method = cls.getDeclaredMethod("getConfigLocations", new Class<?>[0]); |
| } catch (NoSuchMethodException t) { |
| cls = cls.getSuperclass(); |
| } |
| } |
| if (method != null) { |
| if (!method.isAccessible()) { |
| method.setAccessible(true); |
| } |
| String[] configs = (String[]) method.invoke(applicationContext, new Object[0]); |
| if (configs != null && configs.length > 0) { |
| for (String config : configs) { |
| if (buf.length() > 0) { |
| buf.append(','); |
| } |
| buf.append(config); |
| } |
| } |
| } |
| } catch (Throwable t) { |
| if (t.getCause() instanceof UnsupportedOperationException){ |
| logger.debug(t.getMessage(), t); |
| }else { |
| logger.warn(t.getMessage(), t); |
| } |
| } |
| return new Status(level, buf.toString()); |
| } |
| |
| } |