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 org.apache.cassandra;
  
  import java.util.Iterator;
  
  import ch.qos.logback.core.Appender;
  import ch.qos.logback.core.UnsynchronizedAppenderBase;
  import ch.qos.logback.core.spi.AppenderAttachable;
  import ch.qos.logback.core.spi.AppenderAttachableImpl;
  
  public class TeeingAppender<E> extends UnsynchronizedAppenderBase<E> implements AppenderAttachable<E>
  {
      AppenderAttachableImpl<E> aai = new AppenderAttachableImpl<>();
  
      @Override
      protected void append(E e)
      {
          aai.appendLoopOnAppenders(e);
      }
  
      @Override
      public void addAppender(Appender<E> appender)
      {
          aai.addAppender(appender);
      }
  
      @Override
      public void detachAndStopAllAppenders()
      {
          aai.detachAndStopAllAppenders();
      }
  
      @Override
      public boolean detachAppender(Appender<E> appender)
      {
          return aai.detachAppender(appender);
      }
  
      @Override
      public boolean detachAppender(String name)
      {
          return aai.detachAppender(name);
      }
  
      @Override
      public Appender<E> getAppender(String name)
      {
          return aai.getAppender(name);
      }
  
      @Override
      public boolean isAttached(Appender<E> appender)
      {
          return aai.isAttached(appender);
      }
  
      @Override
      public Iterator<Appender<E>> iteratorForAppenders()
      {
          return aai.iteratorForAppenders();
      }
  
      @Override
      public void stop()
      {
          try
          {
              if (started)
                  detachAndStopAllAppenders();
          }
          finally
          {
              super.stop();
          }
      }
  
  }
  