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DependenciesTool.java
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DependenciesTool.java
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package org.codehaus.mojo.license.api;
/*
* #%L
* License Maven Plugin
* %%
* Copyright (C) 2011 CodeLutin, Codehaus, Tony Chemit
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-3.0.html>.
* #L%
*/
import org.apache.maven.artifact.Artifact;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.ProjectBuildingException;
import org.codehaus.mojo.license.utils.MojoHelper;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.component.annotations.Requirement;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.SortedMap;
import java.util.TreeMap;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.project.DefaultProjectBuildingRequest;
import org.apache.maven.project.ProjectBuilder;
import org.apache.maven.project.ProjectBuildingRequest;
/**
* A tool to deal with dependencies of a project.
*
* @author tchemit dev@tchemit.fr
* @since 1.0
*/
@Component( role = DependenciesTool.class, hint = "default" )
public class DependenciesTool
{
private static final Logger LOG = LoggerFactory.getLogger( DependenciesTool.class );
/**
* Message used when an invalid expression pattern is found.
*/
public static final String INVALID_PATTERN_MESSAGE =
"The pattern specified by expression <%s> seems to be invalid.";
/**
* Project builder.
*/
@Requirement
private ProjectBuilder mavenProjectBuilder;
@Requirement
private MavenSession mavenSession;
// CHECKSTYLE_OFF: MethodLength
/**
* For a given {@code project}, obtain the universe of its dependencies after applying transitivity and
* filtering rules given in the {@code configuration} object.
*
* Result is given in a map where keys are unique artifact id
*
* @param artifacts the project dependencies
* @param configuration the configuration
* @param remoteRepositories remote repositories used to resolve dependencies
* @param cache a optional cache where to keep resolved dependencies
* @return the map of resolved dependencies indexed by their unique id.
* @see MavenProjectDependenciesConfigurator
*/
public SortedMap<String, MavenProject> loadProjectDependencies( ResolvedProjectDependencies artifacts,
MavenProjectDependenciesConfigurator configuration,
List<ArtifactRepository> remoteRepositories,
SortedMap<String, MavenProject> cache )
{
final ArtifactFilters artifactFilters = configuration.getArtifactFilters();
final boolean excludeTransitiveDependencies = configuration.isExcludeTransitiveDependencies();
final Set<Artifact> depArtifacts;
if ( configuration.isIncludeTransitiveDependencies() )
{
// All project dependencies
depArtifacts = artifacts.getAllDependencies();
}
else
{
// Only direct project dependencies
depArtifacts = artifacts.getDirectDependencies();
}
boolean verbose = configuration.isVerbose();
SortedMap<String, MavenProject> result = new TreeMap<>();
Map<String, Artifact> excludeArtifacts = new HashMap<>();
Map<String, Artifact> includeArtifacts = new HashMap<>();
SortedMap<String, MavenProject> localCache = new TreeMap<>();
if ( cache != null )
{
localCache.putAll( cache );
}
ProjectBuildingRequest projectBuildingRequest
= new DefaultProjectBuildingRequest( mavenSession.getProjectBuildingRequest() )
.setValidationLevel( ModelBuildingRequest.VALIDATION_LEVEL_MINIMAL )
//We already have the relevant part of the dependency tree
//Re-resolving risks including e.g. excluded artifacts
.setResolveDependencies( false )
//We don't care about plugin licensing
.setProcessPlugins( false )
.setRemoteRepositories( remoteRepositories );
for ( Artifact artifact : depArtifacts )
{
excludeArtifacts.put( artifact.getId(), artifact );
if ( DefaultThirdPartyTool.LICENSE_DB_TYPE.equals( artifact.getType() ) )
{
// the special dependencies for license databases don't count.
// Note that this will still see transitive deps of a license db; so using the build helper inside of
// another project to make them will be noisy.
continue;
}
if ( !artifactFilters.isIncluded( artifact ) )
{
LOG.debug( "Excluding artifact {}", artifact );
continue;
}
String id = MojoHelper.getArtifactId( artifact );
if ( verbose )
{
LOG.info( "detected artifact {}", id );
}
MavenProject depMavenProject;
// try to get project from cache
depMavenProject = localCache.get( id );
if ( depMavenProject != null )
{
if ( verbose )
{
LOG.info( "add dependency [{}] (from cache)", id );
}
}
else
{
// build project
try
{
depMavenProject
= mavenProjectBuilder.build( artifact, true, projectBuildingRequest ).getProject();
depMavenProject.getArtifact().setScope( artifact.getScope() );
// In case maven-metadata.xml has different artifactId, groupId or version.
if ( !depMavenProject.getGroupId().equals( artifact.getGroupId() ) )
{
depMavenProject.setGroupId( artifact.getGroupId() );
depMavenProject.getArtifact().setGroupId( artifact.getGroupId() );
}
if ( !depMavenProject.getArtifactId().equals( artifact.getArtifactId() ) )
{
depMavenProject.setArtifactId( artifact.getArtifactId() );
depMavenProject.getArtifact().setArtifactId( artifact.getArtifactId() );
}
if ( !depMavenProject.getVersion().equals( artifact.getVersion() ) )
{
depMavenProject.setVersion( artifact.getVersion() );
depMavenProject.getArtifact().setVersion( artifact.getVersion() );
}
}
catch ( ProjectBuildingException e )
{
LOG.warn( "Unable to obtain POM for artifact: {}", artifact, e );
continue;
}
if ( verbose )
{
LOG.info( "add dependency [{}]", id );
}
// store it also in cache
localCache.put( id, depMavenProject );
}
// keep the project
result.put( id, depMavenProject );
excludeArtifacts.remove( artifact.getId() );
includeArtifacts.put( artifact.getId(), artifact );
}
// exclude artifacts from the result that contain excluded artifacts in the dependency trail
if ( excludeTransitiveDependencies )
{
for ( Map.Entry<String, Artifact> entry : includeArtifacts.entrySet() )
{
List<String> dependencyTrail = entry.getValue().getDependencyTrail();
boolean remove = false;
for ( int i = 1; i < dependencyTrail.size() - 1; i++ )
{
if ( excludeArtifacts.containsKey( dependencyTrail.get( i ) ) )
{
remove = true;
break;
}
}
if ( remove )
{
result.remove( MojoHelper.getArtifactId( entry.getValue() ) );
}
}
}
if ( cache != null )
{
cache.putAll( result );
}
return result;
}
// CHECKSTYLE_ON: MethodLength
}