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.utils.logging;
  
  import ch.qos.logback.classic.spi.ILoggingEvent;
  import ch.qos.logback.core.filter.AbstractMatcherFilter;
  import ch.qos.logback.core.spi.FilterReply;
  
  public class ClassNameFilter extends AbstractMatcherFilter<ILoggingEvent>
  {
      String loggerName;
  
      public void setLoggerName(String loggerName)
      {
          this.loggerName = loggerName;
      }
  
      @Override
      public FilterReply decide(ILoggingEvent event)
      {
          if (!isStarted()) return FilterReply.NEUTRAL;
          if (event.getLoggerName().equals(loggerName)) return onMatch;
          return onMismatch;
      }
  
      @Override
      public void start()
      {
          if (loggerName != null) super.start();
      }
  }
  