Java tutorial
package org.apache.maven; /* * 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.Collection; import java.util.Collections; import java.util.HashSet; import java.util.Iterator; import java.util.LinkedHashSet; import java.util.Set; import org.apache.maven.artifact.Artifact; import org.apache.maven.artifact.ArtifactUtils; import org.apache.maven.artifact.resolver.ArtifactNotFoundException; import org.apache.maven.artifact.resolver.ArtifactResolutionException; import org.apache.maven.artifact.resolver.ArtifactResolutionRequest; import org.apache.maven.artifact.resolver.ArtifactResolutionResult; import org.apache.maven.artifact.resolver.MultipleArtifactsNotFoundException; import org.apache.maven.artifact.resolver.ResolutionErrorHandler; import org.apache.maven.artifact.resolver.filter.CumulativeScopeArtifactFilter; import org.apache.maven.execution.MavenSession; import org.apache.maven.project.MavenProject; import org.apache.maven.project.artifact.ProjectArtifact; import org.apache.maven.repository.RepositorySystem; import org.codehaus.plexus.component.annotations.Component; import org.codehaus.plexus.component.annotations.Requirement; /** * @deprecated As of 3.2.2, and there is no direct replacement. This is an internal class which was not marked as such, * but should have been. * */ @Deprecated @Component(role = ProjectDependenciesResolver.class) public class DefaultProjectDependenciesResolver implements ProjectDependenciesResolver { @Requirement private RepositorySystem repositorySystem; @Requirement private ResolutionErrorHandler resolutionErrorHandler; public Set<Artifact> resolve(MavenProject project, Collection<String> scopesToResolve, MavenSession session) throws ArtifactResolutionException, ArtifactNotFoundException { return resolve(Collections.singleton(project), scopesToResolve, session); } public Set<Artifact> resolve(MavenProject project, Collection<String> scopesToCollect, Collection<String> scopesToResolve, MavenSession session) throws ArtifactResolutionException, ArtifactNotFoundException { Set<MavenProject> mavenProjects = Collections.singleton(project); return resolveImpl(mavenProjects, scopesToCollect, scopesToResolve, session, getIgnorableArtifacts(mavenProjects)); } public Set<Artifact> resolve(Collection<? extends MavenProject> projects, Collection<String> scopesToResolve, MavenSession session) throws ArtifactResolutionException, ArtifactNotFoundException { return resolveImpl(projects, null, scopesToResolve, session, getIgnorableArtifacts(projects)); } public Set<Artifact> resolve(MavenProject project, Collection<String> scopesToCollect, Collection<String> scopesToResolve, MavenSession session, Set<Artifact> ignoreableArtifacts) throws ArtifactResolutionException, ArtifactNotFoundException { return resolveImpl(Collections.singleton(project), scopesToCollect, scopesToResolve, session, getIgnorableArtifacts(ignoreableArtifacts)); } private Set<Artifact> resolveImpl(Collection<? extends MavenProject> projects, Collection<String> scopesToCollect, Collection<String> scopesToResolve, MavenSession session, Set<String> projectIds) throws ArtifactResolutionException, ArtifactNotFoundException { Set<Artifact> resolved = new LinkedHashSet<>(); if (projects == null || projects.isEmpty()) { return resolved; } if ((scopesToCollect == null || scopesToCollect.isEmpty()) && (scopesToResolve == null || scopesToResolve.isEmpty())) { return resolved; } /* Logic for transitive global exclusions List<String> exclusions = new ArrayList<String>(); for ( Dependency d : project.getDependencies() ) { if ( d.getExclusions() != null ) { for ( Exclusion e : d.getExclusions() ) { exclusions.add( e.getGroupId() + ":" + e.getArtifactId() ); } } } ArtifactFilter scopeFilter = new ScopeArtifactFilter( scope ); ArtifactFilter filter; if ( ! exclusions.isEmpty() ) { filter = new AndArtifactFilter( Arrays.asList( new ArtifactFilter[]{ new ExcludesArtifactFilter( exclusions ), scopeFilter } ) ); } else { filter = scopeFilter; } */ CumulativeScopeArtifactFilter resolutionScopeFilter = new CumulativeScopeArtifactFilter(scopesToResolve); CumulativeScopeArtifactFilter collectionScopeFilter = new CumulativeScopeArtifactFilter(scopesToCollect); collectionScopeFilter = new CumulativeScopeArtifactFilter(collectionScopeFilter, resolutionScopeFilter); ArtifactResolutionRequest request = new ArtifactResolutionRequest().setResolveRoot(false) .setResolveTransitively(true).setCollectionFilter(collectionScopeFilter) .setResolutionFilter(resolutionScopeFilter).setLocalRepository(session.getLocalRepository()) .setOffline(session.isOffline()).setForceUpdate(session.getRequest().isUpdateSnapshots()); request.setServers(session.getRequest().getServers()); request.setMirrors(session.getRequest().getMirrors()); request.setProxies(session.getRequest().getProxies()); for (MavenProject project : projects) { request.setArtifact(new ProjectArtifact(project)); request.setArtifactDependencies(project.getDependencyArtifacts()); request.setManagedVersionMap(project.getManagedVersionMap()); request.setRemoteRepositories(project.getRemoteArtifactRepositories()); ArtifactResolutionResult result = repositorySystem.resolve(request); try { resolutionErrorHandler.throwErrors(request, result); } catch (MultipleArtifactsNotFoundException e) { Collection<Artifact> missing = new HashSet<>(e.getMissingArtifacts()); for (Iterator<Artifact> it = missing.iterator(); it.hasNext();) { String key = ArtifactUtils.key(it.next()); if (projectIds.contains(key)) { it.remove(); } } if (!missing.isEmpty()) { throw e; } } resolved.addAll(result.getArtifacts()); } return resolved; } private Set<String> getIgnorableArtifacts(Collection<? extends MavenProject> projects) { Set<String> projectIds = new HashSet<>(projects.size() * 2); for (MavenProject p : projects) { String key = ArtifactUtils.key(p.getGroupId(), p.getArtifactId(), p.getVersion()); projectIds.add(key); } return projectIds; } private Set<String> getIgnorableArtifacts(Iterable<Artifact> artifactIterable) { Set<String> projectIds = new HashSet<>(); for (Artifact artifact : artifactIterable) { String key = ArtifactUtils.key(artifact); projectIds.add(key); } return projectIds; } }