Github user lizhanhui commented on a diff in the pull request:
https://github.com/apache/incubator-rocketmq/pull/85#discussion_r111167855
--- Diff:
common/src/main/java/org/apache/rocketmq/common/utils/LogUtils.java ---
@@ -0,0 +1,96 @@
+/*
+ * 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.rocketmq.common.utils;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.net.URL;
+import org.slf4j.ILoggerFactory;
+import org.slf4j.LoggerFactory;
+
+public class LogUtils {
+
+ /**
+ * config logback dymatically from provided file path, otherwise try
to config from resource file
+ * @param logConfigFilePath specified logback configuration file path
+ * @param logbackResourceFile specified logback configuration resource
file, which will only be respected when logConfigFilePath is null
+ * @param iLoggerFactory
+ * @throws ClassNotFoundException
+ * @throws InstantiationException
+ * @throws IllegalAccessException
+ * @throws NoSuchMethodException
+ * @throws InvocationTargetException
+ */
+ public static void configLogback(String logConfigFilePath, String
logbackResourceFile, ILoggerFactory iLoggerFactory) throws
ClassNotFoundException, InstantiationException, IllegalAccessException,
NoSuchMethodException, InvocationTargetException {
+ Class<?> joranConfigurator;
+ Class<?> context = Class.forName("ch.qos.logback.core.Context");
+ Object joranConfiguratoroObj;
+ joranConfigurator =
Class.forName("ch.qos.logback.classic.joran.JoranConfigurator");
+ joranConfiguratoroObj = joranConfigurator.newInstance();
+ Method setContext =
joranConfiguratoroObj.getClass().getMethod("setContext", context);
+ setContext.invoke(joranConfiguratoroObj, iLoggerFactory);
+ if (null == logConfigFilePath) {
+ if (logbackResourceFile != null) {
+ URL url =
LogUtils.class.getClassLoader().getResource(logbackResourceFile);
+ Method doConfigure =
joranConfiguratoroObj.getClass().getMethod("doConfigure", URL.class);
+ doConfigure.invoke(joranConfiguratoroObj, url);
+ }
+ } else {
+ Method doConfigure =
joranConfiguratoroObj.getClass().getMethod("doConfigure", String.class);
+ doConfigure.invoke(joranConfiguratoroObj, logConfigFilePath);
+ }
+ }
+
+ /**
+ * config log4j dymatically from provided file path, otherwise try to
config from resource file. Notice that the log4j configuration file should be
in xml format
--- End diff --
dymatically same as above.
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