/*
    * 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.maven.plugins.checkstyle;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import com.puppycrawl.tools.checkstyle.api.AuditEvent;
  import com.puppycrawl.tools.checkstyle.api.AuditListener;
  
  /**
   * AuditListener that forwards events to a list of other AuditListeners
   */
  public class CompositeAuditListener implements AuditListener {
  
      private final List<AuditListener> delegates = new ArrayList<>();
  
      public void addListener(AuditListener listener) {
          delegates.add(listener);
      }
  
      @Override
      public void auditStarted(AuditEvent event) {
          for (AuditListener listener : delegates) {
              listener.auditStarted(event);
          }
      }
  
      @Override
      public void auditFinished(AuditEvent event) {
          for (AuditListener listener : delegates) {
              listener.auditFinished(event);
          }
      }
  
      @Override
      public void fileStarted(AuditEvent event) {
          for (AuditListener listener : delegates) {
              listener.fileStarted(event);
          }
      }
  
      @Override
      public void fileFinished(AuditEvent event) {
          for (AuditListener listener : delegates) {
              listener.fileFinished(event);
          }
      }
  
      @Override
      public void addError(AuditEvent event) {
          for (AuditListener listener : delegates) {
              listener.addError(event);
          }
      }
  
      @Override
      public void addException(AuditEvent event, Throwable throwable) {
          for (AuditListener listener : delegates) {
              listener.addException(event, throwable);
          }
      }
  }