content: /*
   * 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 com.aliyun.odps.jdbc.utils;
  
  import java.io.File;
  import java.lang.reflect.Method;
  import java.net.URL;
  import java.util.Map;
  import java.util.concurrent.ConcurrentHashMap;
  
  import org.slf4j.Logger;
  
  public class LoggerFactory {
  
    private static Map<String, Logger> cache = new ConcurrentHashMap<String, Logger>();
  
    @SuppressWarnings({"rawtypes", "unchecked"})
    public static Logger getLogger(String logConfFile, String name) {
      if (cache.containsKey(name)) {
        return cache.get(name);
      }
      Logger logger = null;
      if (logConfFile != null) {
        try {
          Class loggerContextClazz = Class.forName("ch.qos.logback.classic.LoggerContext");
          Class contextInitializerClazz =
              Class.forName("ch.qos.logback.classic.util.ContextInitializer");
          Object loggerContext = loggerContextClazz.newInstance();
          Object contextInitializer =
              contextInitializerClazz.getConstructor(loggerContextClazz).newInstance(loggerContext);
          Method configureByResourceMethod =
              contextInitializerClazz.getMethod("configureByResource", URL.class);
          URL url = new File(logConfFile).toURI().toURL();
          configureByResourceMethod.invoke(contextInitializer, url);
          Method getLoggerMethod = loggerContextClazz.getMethod("getLogger", String.class);
          logger = (Logger) getLoggerMethod.invoke(loggerContext, name);
          logger.debug("Configure logConf Successfully : {}", url);
        } catch (Throwable e) {
          org.slf4j.LoggerFactory.getLogger(name).error(
              "Configure logConf failed: " + logConfFile
              + " , replace with application's default conf ~ ", e);
          logger = org.slf4j.LoggerFactory.getLogger(name);
        }
      } else {
        logger = org.slf4j.LoggerFactory.getLogger(name);
      }
      cache.put(name, logger);
      return logger;
    }
  
  }
  