private Map createManagedVersionMap()

in maven-project/src/main/java/org/apache/maven/project/DefaultMavenProjectBuilder.java [438:508]
60 lines of code
12 McCabe index (conditional complexity)

    private Map createManagedVersionMap( String projectId,
                                         DependencyManagement dependencyManagement,
                                         MavenProject parent )
        throws ProjectBuildingException
    {
        Map map = null;
        List deps;
        if ( ( dependencyManagement != null ) && ( ( deps = dependencyManagement.getDependencies() ) != null )
            && ( deps.size() > 0 ) )
        {
            map = new ManagedVersionMap( map );

            if ( getLogger().isDebugEnabled() )
            {
                getLogger().debug( "Adding managed dependencies for " + projectId );
            }

            for ( Iterator i = dependencyManagement.getDependencies().iterator(); i.hasNext(); )
            {
                Dependency d = (Dependency) i.next();

                try
                {
                    VersionRange versionRange = VersionRange.createFromVersionSpec( d.getVersion() );

                    Artifact artifact = artifactFactory.createDependencyArtifact( d.getGroupId(), d.getArtifactId(),
                                                                                  versionRange, d.getType(),
                                                                                  d.getClassifier(), d.getScope(),
                                                                                  d.isOptional() );
                    if ( getLogger().isDebugEnabled() )
                    {
                        getLogger().debug( "  " + artifact );
                    }

                    // If the dependencyManagement section listed exclusions,
                    // add them to the managed artifacts here so that transitive
                    // dependencies will be excluded if necessary.
                    if ( ( null != d.getExclusions() ) && !d.getExclusions().isEmpty() )
                    {
                        List exclusions = new ArrayList();

                        Iterator exclItr = d.getExclusions().iterator();

                        while ( exclItr.hasNext() )
                        {
                            Exclusion e = (Exclusion) exclItr.next();
                            exclusions.add( e.getGroupId() + ":" + e.getArtifactId() );
                        }
                        ExcludesArtifactFilter eaf = new ExcludesArtifactFilter( exclusions );
                        artifact.setDependencyFilter( eaf );
                    }
                    else
                    {
                        artifact.setDependencyFilter( null );
                    }
                    map.put( d.getManagementKey(), artifact );
                }
                catch ( InvalidVersionSpecificationException e )
                {
                    throw new ProjectBuildingException( projectId, "Unable to parse version '" + d.getVersion()
                        + "' for dependency '" + d.getManagementKey() + "': " + e.getMessage(), e );
                }
            }
        }
        else if ( map == null )
        {
            map = Collections.EMPTY_MAP;
        }

        return map;
    }