content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * Licensed 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.alibaba.druid.support.logging;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.slf4j.spi.LocationAwareLogger;
  
  public class SLF4JImpl implements Log {
      private static final String callerFQCN = SLF4JImpl.class.getName();
      private static final Logger testLogger = LoggerFactory.getLogger(SLF4JImpl.class);
  
      static {
          // if the logger is not a LocationAwareLogger instance, it can not get correct stack StackTraceElement
          // so ignore this implementation.
          if (!(testLogger instanceof LocationAwareLogger)) {
              throw new UnsupportedOperationException(testLogger.getClass() + " is not a suitable logger");
          }
      }
  
      private int errorCount;
      private int warnCount;
      private int infoCount;
      private int debugCount;
      private LocationAwareLogger log;
  
      public SLF4JImpl(LocationAwareLogger log) {
          this.log = log;
      }
  
      public SLF4JImpl(String loggerName) {
          this.log = (LocationAwareLogger) LoggerFactory.getLogger(loggerName);
      }
  
      @Override
      public boolean isDebugEnabled() {
          return log.isDebugEnabled();
      }
  
      @Override
      public void error(String msg, Throwable e) {
          log.log(null, callerFQCN, LocationAwareLogger.ERROR_INT, msg, null, e);
          errorCount++;
      }
  
      @Override
      public void error(String msg) {
          log.log(null, callerFQCN, LocationAwareLogger.ERROR_INT, msg, null, null);
          errorCount++;
      }
  
      @Override
      public boolean isInfoEnabled() {
          return log.isInfoEnabled();
      }
  
      @Override
      public void info(String msg) {
          infoCount++;
          log.log(null, callerFQCN, LocationAwareLogger.INFO_INT, msg, null, null);
      }
  
      @Override
      public void debug(String msg) {
          debugCount++;
          log.log(null, callerFQCN, LocationAwareLogger.DEBUG_INT, msg, null, null);
      }
  
      @Override
      public void debug(String msg, Throwable e) {
          debugCount++;
          log.log(null, callerFQCN, LocationAwareLogger.DEBUG_INT, msg, null, e);
      }
  
      @Override
      public boolean isWarnEnabled() {
          return log.isWarnEnabled();
      }
  
      @Override
      public boolean isErrorEnabled() {
          return log.isErrorEnabled();
      }
  
      @Override
      public void warn(String msg) {
          log.log(null, callerFQCN, LocationAwareLogger.WARN_INT, msg, null, null);
          warnCount++;
      }
  
      @Override
      public void warn(String msg, Throwable e) {
          log.log(null, callerFQCN, LocationAwareLogger.WARN_INT, msg, null, e);
          warnCount++;
      }
  
      @Override
      public int getErrorCount() {
          return errorCount;
      }
  
      @Override
      public int getWarnCount() {
          return warnCount;
      }
  
      @Override
      public int getInfoCount() {
          return infoCount;
      }
  
      public int getDebugCount() {
          return debugCount;
      }
  
      @Override
      public void resetStat() {
          errorCount = 0;
          warnCount = 0;
          infoCount = 0;
          debugCount = 0;
      }
  
  }
  