001package org.apache.maven.lifecycle.internal;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *  http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import java.util.HashSet;
023import java.util.List;
024
025import org.apache.maven.artifact.Artifact;
026import org.apache.maven.execution.BuildSuccess;
027import org.apache.maven.execution.ExecutionEvent;
028import org.apache.maven.execution.MavenSession;
029import org.apache.maven.execution.ProjectExecutionEvent;
030import org.apache.maven.execution.ProjectExecutionListener;
031import org.apache.maven.lifecycle.MavenExecutionPlan;
032import org.apache.maven.lifecycle.internal.builder.BuilderCommon;
033import org.apache.maven.plugin.MojoExecution;
034import org.apache.maven.project.MavenProject;
035import org.apache.maven.session.scope.internal.SessionScope;
036import org.codehaus.plexus.component.annotations.Component;
037import org.codehaus.plexus.component.annotations.Requirement;
038
039/**
040 * Builds one or more lifecycles for a full module
041 *
042 * @since 3.0
043 * @author Benjamin Bentmann
044 * @author Jason van Zyl
045 * @author Kristian Rosenvold (extracted class)
046 *         <p/>
047 *         NOTE: This class is not part of any public api and can be changed or deleted without prior notice.
048 */
049@Component( role = LifecycleModuleBuilder.class )
050public class LifecycleModuleBuilder
051{
052
053    @Requirement
054    private MojoExecutor mojoExecutor;
055
056    @Requirement
057    private BuilderCommon builderCommon;
058
059    @Requirement
060    private ExecutionEventCatapult eventCatapult;
061
062    private ProjectExecutionListener projectExecutionListener;
063
064    // this tricks plexus-component-metadata generate required metadata
065    @Requirement
066    private List<ProjectExecutionListener> projectExecutionListeners;
067
068    @Requirement
069    private SessionScope sessionScope;
070
071    public void setProjectExecutionListeners( final List<ProjectExecutionListener> listeners )
072    {
073        this.projectExecutionListeners = listeners;
074        this.projectExecutionListener = new CompoundProjectExecutionListener( listeners );
075    }
076
077    public void buildProject( MavenSession session, ReactorContext reactorContext, MavenProject currentProject,
078                              TaskSegment taskSegment )
079    {
080        buildProject( session, session, reactorContext, currentProject, taskSegment );
081    }
082
083    public void buildProject( MavenSession session, MavenSession rootSession, ReactorContext reactorContext,
084                              MavenProject currentProject, TaskSegment taskSegment )
085    {
086        session.setCurrentProject( currentProject );
087
088        long buildStartTime = System.currentTimeMillis();
089
090        // session may be different from rootSession seeded in DefaultMaven
091        // explicitly seed the right session here to make sure it is used by Guice
092        sessionScope.enter( reactorContext.getSessionScopeMemento() );
093        sessionScope.seed( MavenSession.class, session );
094        try
095        {
096
097            if ( reactorContext.getReactorBuildStatus().isHaltedOrBlacklisted( currentProject ) )
098            {
099                eventCatapult.fire( ExecutionEvent.Type.ProjectSkipped, session, null );
100                return;
101            }
102
103            BuilderCommon.attachToThread( currentProject );
104
105            projectExecutionListener.beforeProjectExecution( new ProjectExecutionEvent( session, currentProject ) );
106
107            eventCatapult.fire( ExecutionEvent.Type.ProjectStarted, session, null );
108
109            MavenExecutionPlan executionPlan =
110                builderCommon.resolveBuildPlan( session, currentProject, taskSegment, new HashSet<Artifact>() );
111            List<MojoExecution> mojoExecutions = executionPlan.getMojoExecutions();
112
113            projectExecutionListener.beforeProjectLifecycleExecution( new ProjectExecutionEvent( session,
114                                                                                                 currentProject,
115                                                                                                 mojoExecutions ) );
116            mojoExecutor.execute( session, mojoExecutions, reactorContext.getProjectIndex() );
117
118            long buildEndTime = System.currentTimeMillis();
119
120            projectExecutionListener.afterProjectExecutionSuccess( new ProjectExecutionEvent( session, currentProject,
121                                                                                              mojoExecutions ) );
122
123            reactorContext.getResult().addBuildSummary( new BuildSuccess( currentProject,
124                                                                          buildEndTime - buildStartTime ) );
125
126            eventCatapult.fire( ExecutionEvent.Type.ProjectSucceeded, session, null );
127        }
128        catch ( Throwable t )
129        {
130            builderCommon.handleBuildError( reactorContext, rootSession, session, currentProject, t, buildStartTime );
131
132            projectExecutionListener.afterProjectExecutionFailure( new ProjectExecutionEvent( session, currentProject,
133                                                                                              t ) );
134
135            // rethrow original errors and runtime exceptions
136            if ( t instanceof RuntimeException )
137            {
138                throw (RuntimeException) t;
139            }
140            if ( t instanceof Error )
141            {
142                throw (Error) t;
143            }
144        }
145        finally
146        {
147            sessionScope.exit();
148
149            session.setCurrentProject( null );
150
151            Thread.currentThread().setContextClassLoader( reactorContext.getOriginalContextClassLoader() );
152        }
153    }
154}