maven-core/src/main/java/org/apache/maven/lifecycle/internal/DefaultExecutionEventCatapult.java

package org.apache.maven.lifecycle.internal;

/*
 * 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 javax.inject.Named;
import javax.inject.Singleton;

import org.apache.maven.execution.ExecutionEvent;
import org.apache.maven.execution.ExecutionListener;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.plugin.MojoExecution;

/**
 * Assists in firing execution events. <strong>Warning:</strong> This is an internal utility class that is only public
 * for technical reasons, it is not part of the public API. In particular, this class can be changed or deleted without
 * prior notice.
 *
 * @author Benjamin Bentmann
 */
@Named
@Singleton
public class DefaultExecutionEventCatapult
    implements ExecutionEventCatapult
{

    public void fire( ExecutionEvent.Type eventType, MavenSession session, MojoExecution mojoExecution )
    {
        fire( eventType, session, mojoExecution, null );
    }

    public void fire( ExecutionEvent.Type eventType, MavenSession session, MojoExecution mojoExecution,
                      Exception exception )
    {
        ExecutionListener listener = session.getRequest().getExecutionListener();

        if ( listener != null )
        {
            ExecutionEvent event = new DefaultExecutionEvent( eventType, session, mojoExecution, exception );

            switch ( eventType )
            {
                case ProjectDiscoveryStarted:
                    listener.projectDiscoveryStarted( event );
                    break;

                case SessionStarted:
                    listener.sessionStarted( event );
                    break;
                case SessionEnded:
                    listener.sessionEnded( event );
                    break;

                case ProjectSkipped:
                    listener.projectSkipped( event );
                    break;
                case ProjectStarted:
                    listener.projectStarted( event );
                    break;
                case ProjectSucceeded:
                    listener.projectSucceeded( event );
                    break;
                case ProjectFailed:
                    listener.projectFailed( event );
                    break;

                case MojoSkipped:
                    listener.mojoSkipped( event );
                    break;
                case MojoStarted:
                    listener.mojoStarted( event );
                    break;
                case MojoSucceeded:
                    listener.mojoSucceeded( event );
                    break;
                case MojoFailed:
                    listener.mojoFailed( event );
                    break;

                case ForkStarted:
                    listener.forkStarted( event );
                    break;
                case ForkSucceeded:
                    listener.forkSucceeded( event );
                    break;
                case ForkFailed:
                    listener.forkFailed( event );
                    break;

                case ForkedProjectStarted:
                    listener.forkedProjectStarted( event );
                    break;
                case ForkedProjectSucceeded:
                    listener.forkedProjectSucceeded( event );
                    break;
                case ForkedProjectFailed:
                    listener.forkedProjectFailed( event );
                    break;

                default:
                    throw new IllegalStateException( "Unknown execution event type " + eventType );
            }
        }
    }

}