request.getSystemProperties().put( "${build.timestamp}", new SimpleDateFormat( "yyyyMMdd-hhmm" ).format( request.getStartTime() ) );
}
request.setStartTime( new Date() );
MavenExecutionResult result = new DefaultMavenExecutionResult();
try
{
validateLocalRepository( request );
}
catch ( LocalRepositoryNotAccessibleException e )
{
return processResult( result, e );
}
DelegatingLocalArtifactRepository delegatingLocalArtifactRepository =
new DelegatingLocalArtifactRepository( request.getLocalRepository() );
request.setLocalRepository( delegatingLocalArtifactRepository );
MavenSession session = new MavenSession( container, request, result);
try
{
for ( AbstractMavenLifecycleParticipant listener : getLifecycleParticipants( Collections.<MavenProject> emptyList() ) )
{
listener.afterSessionStart( session );
}
}
catch ( MavenExecutionException e )
{
return processResult( result, e );
}
fireEvent( session, ExecutionEventCatapult.PROJECT_DISCOVERY_STARTED );
//TODO: optimize for the single project or no project
List<MavenProject> projects;
try
{
projects = getProjectsForMavenReactor( request );
}
catch ( ProjectBuildingException e )
{
return processResult( result, e );
}
session.setProjects( projects );
result.setTopologicallySortedProjects( session.getProjects() );
result.setProject( session.getTopLevelProject() );
ClassLoader originalClassLoader = Thread.currentThread().getContextClassLoader();
try
{
for ( AbstractMavenLifecycleParticipant listener : getLifecycleParticipants( projects ) )
{
Thread.currentThread().setContextClassLoader( listener.getClass().getClassLoader() );
listener.afterProjectsRead( session );
}
}
catch ( MavenExecutionException e )
{
return processResult( result, e );
}
finally
{
Thread.currentThread().setContextClassLoader( originalClassLoader );
}
Map<String, MavenProject> projectMap;
try
{
projectMap = getProjectMap( session.getProjects() );
ProjectSorter projectSorter = new ProjectSorter( session.getProjects() );
ProjectDependencyGraph projectDependencyGraph = createDependencyGraph( projectSorter, request );
session.setProjects( projectDependencyGraph.getSortedProjects() );
session.setProjectDependencyGraph( projectDependencyGraph );
}
catch ( CycleDetectedException e )
{
String message = "The projects in the reactor contain a cyclic reference: " + e.getMessage();
ProjectCycleException error = new ProjectCycleException( message, e );
return processResult( result, error );
}
catch ( DuplicateProjectException e )
{
return processResult( result, e );
}
catch ( MavenExecutionException e )
{
return processResult( result, e );
}
result.setTopologicallySortedProjects( session.getProjects() );
// Desired order of precedence for local artifact repositories
//
// Reactor
// Workspace
// User Local Repository
delegatingLocalArtifactRepository.setBuildReactor( new ReactorArtifactRepository( projectMap, session ) );
if ( result.hasExceptions() )
{
return result;
}
lifecycleExecutor.execute( session );