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Diffstat (limited to 'framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/ProjectSorter.java')
| -rw-r--r-- | framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/ProjectSorter.java | 289 |
1 files changed, 0 insertions, 289 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/ProjectSorter.java b/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/ProjectSorter.java deleted file mode 100644 index 16985e2a..00000000 --- a/framework/src/maven/apache-maven-3.3.3/maven-core/src/main/java/org/apache/maven/project/ProjectSorter.java +++ /dev/null @@ -1,289 +0,0 @@ -package org.apache.maven.project; - -/* - * 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.ArrayList; -import java.util.Collection; -import java.util.Collections; -import java.util.HashMap; -import java.util.Iterator; -import java.util.List; -import java.util.Map; - -import org.apache.maven.artifact.ArtifactUtils; -import org.apache.maven.model.Dependency; -import org.apache.maven.model.Extension; -import org.apache.maven.model.Parent; -import org.apache.maven.model.Plugin; -import org.codehaus.plexus.util.StringUtils; -import org.codehaus.plexus.util.dag.CycleDetectedException; -import org.codehaus.plexus.util.dag.DAG; -import org.codehaus.plexus.util.dag.TopologicalSorter; -import org.codehaus.plexus.util.dag.Vertex; - -public class ProjectSorter -{ - private DAG dag; - - private List<MavenProject> sortedProjects; - - private Map<String, MavenProject> projectMap; - - private MavenProject topLevelProject; - - /** - * Sort a list of projects. - * <ul> - * <li>collect all the vertices for the projects that we want to build.</li> - * <li>iterate through the deps of each project and if that dep is within - * the set of projects we want to build then add an edge, otherwise throw - * the edge away because that dependency is not within the set of projects - * we are trying to build. we assume a closed set.</li> - * <li>do a topo sort on the graph that remains.</li> - * </ul> - * @throws DuplicateProjectException if any projects are duplicated by id - */ - // MAVENAPI FIXME: the DAG used is NOT only used to represent the dependency relation, - // but also for <parent>, <build><plugin>, <reports>. We need multiple DAG's - // since a DAG can only handle 1 type of relationship properly. - // Usecase: This is detected as a cycle: - // org.apache.maven:maven-plugin-api -(PARENT)-> - // org.apache.maven:maven -(inherited REPORTING)-> - // org.apache.maven.plugins:maven-checkstyle-plugin -(DEPENDENCY)-> - // org.apache.maven:maven-plugin-api - // In this case, both the verify and the report goals are called - // in a different lifecycle. Though the compiler-plugin has a valid usecase, although - // that seems to work fine. We need to take versions and lifecycle into account. - public ProjectSorter( Collection<MavenProject> projects ) - throws CycleDetectedException, DuplicateProjectException - { - dag = new DAG(); - - // groupId:artifactId:version -> project - projectMap = new HashMap<String, MavenProject>( projects.size() * 2 ); - - // groupId:artifactId -> (version -> vertex) - Map<String, Map<String, Vertex>> vertexMap = new HashMap<String, Map<String, Vertex>>( projects.size() * 2 ); - - for ( MavenProject project : projects ) - { - String projectId = getId( project ); - - MavenProject conflictingProject = projectMap.put( projectId, project ); - - if ( conflictingProject != null ) - { - throw new DuplicateProjectException( projectId, conflictingProject.getFile(), project.getFile(), - "Project '" + projectId + "' is duplicated in the reactor" ); - } - - String projectKey = ArtifactUtils.versionlessKey( project.getGroupId(), project.getArtifactId() ); - - Map<String, Vertex> vertices = vertexMap.get( projectKey ); - if ( vertices == null ) - { - vertices = new HashMap<String, Vertex>( 2, 1 ); - vertexMap.put( projectKey, vertices ); - } - vertices.put( project.getVersion(), dag.addVertex( projectId ) ); - } - - for ( Vertex projectVertex : dag.getVerticies() ) - { - String projectId = projectVertex.getLabel(); - - MavenProject project = projectMap.get( projectId ); - - for ( Dependency dependency : project.getDependencies() ) - { - addEdge( projectMap, vertexMap, project, projectVertex, dependency.getGroupId(), - dependency.getArtifactId(), dependency.getVersion(), false, false ); - } - - Parent parent = project.getModel().getParent(); - - if ( parent != null ) - { - // Parent is added as an edge, but must not cause a cycle - so we remove any other edges it has - // in conflict - addEdge( projectMap, vertexMap, null, projectVertex, parent.getGroupId(), parent.getArtifactId(), - parent.getVersion(), true, false ); - } - - List<Plugin> buildPlugins = project.getBuildPlugins(); - if ( buildPlugins != null ) - { - for ( Plugin plugin : buildPlugins ) - { - addEdge( projectMap, vertexMap, project, projectVertex, plugin.getGroupId(), - plugin.getArtifactId(), plugin.getVersion(), false, true ); - - for ( Dependency dependency : plugin.getDependencies() ) - { - addEdge( projectMap, vertexMap, project, projectVertex, dependency.getGroupId(), - dependency.getArtifactId(), dependency.getVersion(), false, true ); - } - } - } - - List<Extension> buildExtensions = project.getBuildExtensions(); - if ( buildExtensions != null ) - { - for ( Extension extension : buildExtensions ) - { - addEdge( projectMap, vertexMap, project, projectVertex, extension.getGroupId(), - extension.getArtifactId(), extension.getVersion(), false, true ); - } - } - } - - List<MavenProject> sortedProjects = new ArrayList<MavenProject>( projects.size() ); - - List<String> sortedProjectLabels = TopologicalSorter.sort( dag ); - - for ( String id : sortedProjectLabels ) - { - sortedProjects.add( projectMap.get( id ) ); - } - - this.sortedProjects = Collections.unmodifiableList( sortedProjects ); - } - - private void addEdge( Map<String, MavenProject> projectMap, Map<String, Map<String, Vertex>> vertexMap, - MavenProject project, Vertex projectVertex, String groupId, String artifactId, - String version, boolean force, boolean safe ) - throws CycleDetectedException - { - String projectKey = ArtifactUtils.versionlessKey( groupId, artifactId ); - - Map<String, Vertex> vertices = vertexMap.get( projectKey ); - - if ( vertices != null ) - { - if ( isSpecificVersion( version ) ) - { - Vertex vertex = vertices.get( version ); - if ( vertex != null ) - { - addEdge( projectVertex, vertex, project, projectMap, force, safe ); - } - } - else - { - for ( Vertex vertex : vertices.values() ) - { - addEdge( projectVertex, vertex, project, projectMap, force, safe ); - } - } - } - } - - private void addEdge( Vertex fromVertex, Vertex toVertex, MavenProject fromProject, - Map<String, MavenProject> projectMap, boolean force, boolean safe ) - throws CycleDetectedException - { - if ( fromVertex.equals( toVertex ) ) - { - return; - } - - if ( fromProject != null ) - { - MavenProject toProject = projectMap.get( toVertex.getLabel() ); - fromProject.addProjectReference( toProject ); - } - - if ( force && toVertex.getChildren().contains( fromVertex ) ) - { - dag.removeEdge( toVertex, fromVertex ); - } - - try - { - dag.addEdge( fromVertex, toVertex ); - } - catch ( CycleDetectedException e ) - { - if ( !safe ) - { - throw e; - } - } - } - - private boolean isSpecificVersion( String version ) - { - return !( StringUtils.isEmpty( version ) || version.startsWith( "[" ) || version.startsWith( "(" ) ); - } - - // TODO: !![jc; 28-jul-2005] check this; if we're using '-r' and there are aggregator tasks, this will result in weirdness. - public MavenProject getTopLevelProject() - { - if ( topLevelProject == null ) - { - for ( Iterator<MavenProject> i = sortedProjects.iterator(); i.hasNext() && ( topLevelProject == null ); ) - { - MavenProject project = i.next(); - if ( project.isExecutionRoot() ) - { - topLevelProject = project; - } - } - } - - return topLevelProject; - } - - public List<MavenProject> getSortedProjects() - { - return sortedProjects; - } - - public boolean hasMultipleProjects() - { - return sortedProjects.size() > 1; - } - - public List<String> getDependents( String id ) - { - return dag.getParentLabels( id ); - } - - public List<String> getDependencies( String id ) - { - return dag.getChildLabels( id ); - } - - public static String getId( MavenProject project ) - { - return ArtifactUtils.key( project.getGroupId(), project.getArtifactId(), project.getVersion() ); - } - - public DAG getDAG() - { - return dag; - } - - public Map<String, MavenProject> getProjectMap() - { - return projectMap; - } - -} |