private Model findModelFromRepository()

in maven-project/src/main/java/org/apache/maven/project/DefaultMavenProjectBuilder.java [536:620]
65 lines of code
7 McCabe index (conditional complexity)

    private Model findModelFromRepository( Artifact artifact,
                                           List remoteArtifactRepositories,
                                           ProjectBuilderConfiguration config,
                                           boolean allowStubModel )
        throws ProjectBuildingException
    {
        String projectId = safeVersionlessKey( artifact.getGroupId(), artifact.getArtifactId() );

        normalizeToArtifactRepositories( remoteArtifactRepositories, projectId );

        Artifact projectArtifact;

        // if the artifact is not a POM, we need to construct a POM artifact based on the artifact parameter given.
        if ( "pom".equals( artifact.getType() ) )
        {
            projectArtifact = artifact;
        }
        else
        {
            getLogger().debug( "Attempting to build MavenProject instance for Artifact (" + artifact.getGroupId() + ":"
                                  + artifact.getArtifactId() + ":" + artifact.getVersion() + ") of type: "
                                  + artifact.getType() + "; constructing POM artifact instead." );

            projectArtifact = artifactFactory.createProjectArtifact( artifact.getGroupId(), artifact.getArtifactId(),
                                                                     artifact.getVersion(), artifact.getScope() );
        }

        Model model;

        try
        {
            artifactResolver.resolve( projectArtifact, remoteArtifactRepositories, config.getLocalRepository() );

            File file = projectArtifact.getFile();

            model = readModel( projectId, file, false );

            String downloadUrl = null;

            ArtifactStatus status = ArtifactStatus.NONE;

            DistributionManagement distributionManagement = model.getDistributionManagement();

            if ( distributionManagement != null )
            {
                downloadUrl = distributionManagement.getDownloadUrl();

                status = ArtifactStatus.valueOf( distributionManagement.getStatus() );
            }

            checkStatusAndUpdate( projectArtifact, status, file, remoteArtifactRepositories, config.getLocalRepository() );

            // TODO: this is gross. Would like to give it the whole model, but maven-artifact shouldn't depend on that
            // Can a maven-core implementation of the Artifact interface store it, and be used in the exceptions?
            if ( downloadUrl != null )
            {
                projectArtifact.setDownloadUrl( downloadUrl );
            }
            else
            {
                projectArtifact.setDownloadUrl( model.getUrl() );
            }
        }
        catch ( ArtifactResolutionException e )
        {
            throw new ProjectBuildingException( projectId, "Error getting POM for '" + projectId
                + "' from the repository: " + e.getMessage(), e );
        }
        catch ( ArtifactNotFoundException e )
        {
            if ( allowStubModel )
            {
                getLogger().debug( "Artifact not found - using stub model: " + e.getMessage() );

                model = createStubModel( projectArtifact );
            }
            else
            {
                throw new ProjectBuildingException( projectId, "POM '" + projectId + "' not found in repository: "
                    + e.getMessage(), e );
            }
        }

        return model;
    }