package com.soebes.maven.extensions;
   
   /*
    * 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.
   */
  
  import java.util.Map;
  import java.util.Map.Entry;
  import java.util.concurrent.ConcurrentHashMap;
  
  import org.apache.maven.execution.ExecutionEvent;
  import org.apache.maven.project.MavenProject;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * @author Karl Heinz Marbaise <a href="mailto:kama@soebes.de">kama@soebes.de</a>
   */
  class ProjectTimer
  {
      private final Logger LOGGER = LoggerFactory.getLogger( getClass() );
  
      private Map<String, SystemTime> timerEvents;
  
      public ProjectTimer()
      {
          this.timerEvents = new ConcurrentHashMap<>();
      }
  
      private String getProjectId( MavenProject mavenProject )
      {
          return mavenProject.getId();
      }
  
      public void projectStart( ExecutionEvent event )
      {
          String projectId = getProjectId( event.getProject() );
          timerEvents.put( projectId, new SystemTime().start() );
      }
  
      public void projectStop( ExecutionEvent event )
      {
          String projectId = getProjectId( event.getProject() );
          if ( !timerEvents.containsKey( projectId ) )
          {
              throw new IllegalArgumentException( "Unknown projectId (" + projectId + ")" );
          }
          timerEvents.get( projectId ).stop();
      }
  
      public long getTimeForProject( MavenProject project )
      {
          String projectId = getProjectId( project );
          if ( !timerEvents.containsKey( projectId ) )
          {
              throw new IllegalArgumentException( "Unknown projectId (" + projectId + ")" );
          }
          return timerEvents.get( projectId ).getElapsedTime();
      }
  
      public void report()
      {
          for ( Entry<String, SystemTime> item : this.timerEvents.entrySet() )
          {
              LOGGER.info( "ProjectTimer: {} : {}", item.getKey(), item.getValue().getElapsedTime() );
          }
      }
  }