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Polish apache#3615 : SpringStatusChecker execute errors on non-XML Sp…
…ring configuration
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...onfig-spring/src/main/java/org/apache/dubbo/config/spring/status/SpringStatusChecker.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,94 +1,101 @@ | ||
| /* | ||
| * 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.SpringExtensionFactory; | ||
|
|
||
| import org.springframework.context.ApplicationContext; | ||
| import org.springframework.context.Lifecycle; | ||
|
|
||
| import java.lang.reflect.Method; | ||
|
|
||
| /** | ||
| * SpringStatusChecker | ||
| */ | ||
| @Activate | ||
| public class SpringStatusChecker implements StatusChecker { | ||
|
|
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| private static final Logger logger = LoggerFactory.getLogger(SpringStatusChecker.class); | ||
|
|
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| @Override | ||
| public Status check() { | ||
| ApplicationContext context = null; | ||
| for (ApplicationContext c : SpringExtensionFactory.getContexts()) { | ||
| if (c != null) { | ||
| context = c; | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| if (context == null) { | ||
| return new Status(Status.Level.UNKNOWN); | ||
| } | ||
|
|
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| Status.Level level = Status.Level.OK; | ||
| if (context instanceof Lifecycle) { | ||
| if (((Lifecycle) context).isRunning()) { | ||
| level = Status.Level.OK; | ||
| } else { | ||
| level = Status.Level.ERROR; | ||
| } | ||
| } else { | ||
| level = Status.Level.UNKNOWN; | ||
| } | ||
| StringBuilder buf = new StringBuilder(); | ||
| try { | ||
| Class<?> cls = context.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(context, 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) { | ||
| logger.warn(t.getMessage(), t); | ||
| } | ||
| return new Status(level, buf.toString()); | ||
| } | ||
|
|
||
| } | ||
| /* | ||
| * 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.SpringExtensionFactory; | ||
|
|
||
| import org.springframework.context.ApplicationContext; | ||
| import org.springframework.context.Lifecycle; | ||
| import org.springframework.web.context.support.GenericWebApplicationContext; | ||
|
|
||
| import java.lang.reflect.Method; | ||
|
|
||
| /** | ||
| * SpringStatusChecker | ||
| */ | ||
| @Activate | ||
| public class SpringStatusChecker implements StatusChecker { | ||
|
|
||
| private static final Logger logger = LoggerFactory.getLogger(SpringStatusChecker.class); | ||
|
|
||
| @Override | ||
| public Status check() { | ||
| ApplicationContext context = null; | ||
| for (ApplicationContext c : SpringExtensionFactory.getContexts()) { | ||
| // [Issue] SpringStatusChecker execute errors on non-XML Spring configuration | ||
| // issue : https://github.com/apache/incubator-dubbo/issues/3615 | ||
| if(c instanceof GenericWebApplicationContext) { // ignore GenericXmlApplicationContext | ||
| continue; | ||
| } | ||
|
|
||
| if (c != null) { | ||
| context = c; | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| if (context == null) { | ||
| return new Status(Status.Level.UNKNOWN); | ||
| } | ||
|
|
||
| Status.Level level = Status.Level.OK; | ||
| if (context instanceof Lifecycle) { | ||
| if (((Lifecycle) context).isRunning()) { | ||
| level = Status.Level.OK; | ||
| } else { | ||
| level = Status.Level.ERROR; | ||
| } | ||
| } else { | ||
| level = Status.Level.UNKNOWN; | ||
| } | ||
| StringBuilder buf = new StringBuilder(); | ||
| try { | ||
| Class<?> cls = context.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(context, 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) { | ||
| logger.warn(t.getMessage(), t); | ||
| } | ||
| return new Status(level, buf.toString()); | ||
| } | ||
|
|
||
| } |
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