diff options
Diffstat (limited to 'framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/lifecycle/internal/LifecycleStarter.java')
| -rw-r--r-- | framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/lifecycle/internal/LifecycleStarter.java | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/lifecycle/internal/LifecycleStarter.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/lifecycle/internal/LifecycleStarter.java new file mode 100644 index 00000000..cee80739 --- /dev/null +++ b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/lifecycle/internal/LifecycleStarter.java @@ -0,0 +1,150 @@ +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 java.util.List; +import java.util.Map; + +import org.apache.maven.execution.ExecutionEvent; +import org.apache.maven.execution.MavenExecutionResult; +import org.apache.maven.execution.MavenSession; +import org.apache.maven.lifecycle.DefaultLifecycles; +import org.apache.maven.lifecycle.MissingProjectException; +import org.apache.maven.lifecycle.NoGoalSpecifiedException; +import org.apache.maven.lifecycle.internal.builder.Builder; +import org.apache.maven.lifecycle.internal.builder.BuilderNotFoundException; +import org.apache.maven.session.scope.internal.SessionScope; +import org.codehaus.plexus.component.annotations.Component; +import org.codehaus.plexus.component.annotations.Requirement; +import org.codehaus.plexus.logging.Logger; + +/** + * Starts the build life cycle + * + * @author Jason van Zyl + * @author Benjamin Bentmann + * @author Kristian Rosenvold + */ +@Component( role = LifecycleStarter.class ) +public class LifecycleStarter +{ + @Requirement + private ExecutionEventCatapult eventCatapult; + + @Requirement + private DefaultLifecycles defaultLifeCycles; + + @Requirement + private Logger logger; + + @Requirement + private BuildListCalculator buildListCalculator; + + @Requirement + private LifecycleDebugLogger lifecycleDebugLogger; + + @Requirement + private LifecycleTaskSegmentCalculator lifecycleTaskSegmentCalculator; + + @Requirement + private Map<String, Builder> builders; + + @Requirement + private SessionScope sessionScope; + + public void execute( MavenSession session ) + { + eventCatapult.fire( ExecutionEvent.Type.SessionStarted, session, null ); + + ReactorContext reactorContext = null; + ProjectBuildList projectBuilds = null; + MavenExecutionResult result = session.getResult(); + + try + { + if ( buildExecutionRequiresProject( session ) && projectIsNotPresent( session ) ) + { + throw new MissingProjectException( "The goal you specified requires a project to execute" + + " but there is no POM in this directory (" + session.getExecutionRootDirectory() + ")." + + " Please verify you invoked Maven from the correct directory." ); + } + + List<TaskSegment> taskSegments = lifecycleTaskSegmentCalculator.calculateTaskSegments( session ); + projectBuilds = buildListCalculator.calculateProjectBuilds( session, taskSegments ); + + if ( projectBuilds.isEmpty() ) + { + throw new NoGoalSpecifiedException( "No goals have been specified for this build." + + " You must specify a valid lifecycle phase or a goal in the format <plugin-prefix>:<goal> or" + + " <plugin-group-id>:<plugin-artifact-id>[:<plugin-version>]:<goal>." + + " Available lifecycle phases are: " + defaultLifeCycles.getLifecyclePhaseList() + "." ); + } + + ProjectIndex projectIndex = new ProjectIndex( session.getProjects() ); + + if ( logger.isDebugEnabled() ) + { + lifecycleDebugLogger.debugReactorPlan( projectBuilds ); + } + + ClassLoader oldContextClassLoader = Thread.currentThread().getContextClassLoader(); + ReactorBuildStatus reactorBuildStatus = new ReactorBuildStatus( session.getProjectDependencyGraph() ); + reactorContext = + new ReactorContext( result, projectIndex, oldContextClassLoader, reactorBuildStatus, + sessionScope.memento() ); + + String builderId = session.getRequest().getBuilderId(); + Builder builder = builders.get( builderId ); + if ( builder == null ) + { + throw new BuilderNotFoundException( String.format( "The builder requested using id = %s cannot be" + + " found", builderId ) ); + } + + int degreeOfConcurrency = session.getRequest().getDegreeOfConcurrency(); + if ( degreeOfConcurrency >= 2 ) + { + logger.info( "" ); + logger.info( String.format( "Using the %s implementation with a thread count of %d", + builder.getClass().getSimpleName(), degreeOfConcurrency ) ); + } + builder.build( session, reactorContext, projectBuilds, taskSegments, reactorBuildStatus ); + + } + catch ( Exception e ) + { + result.addException( e ); + } + finally + { + eventCatapult.fire( ExecutionEvent.Type.SessionEnded, session, null ); + } + } + + private boolean buildExecutionRequiresProject( MavenSession session ) + { + return lifecycleTaskSegmentCalculator.requiresProject( session ); + } + + private boolean projectIsNotPresent( MavenSession session ) + { + return !session.getRequest().isProjectPresent(); + } +} |