public void install()

in maven-artifact-transfer-api/src/main/java/org/apache/maven/shared/transfer/project/install/internal/DefaultProjectInstaller.java [74:140]
51 lines of code
8 McCabe index (conditional complexity)

    public void install( ProjectBuildingRequest buildingRequest, ProjectInstallerRequest installerRequest )
        throws IOException, ArtifactInstallerException, NoFileAssignedException, IllegalArgumentException
    {

        validateParameters( buildingRequest, installerRequest );
        MavenProject project = installerRequest.getProject();

        Artifact artifact = project.getArtifact();
        String packaging = project.getPackaging();
        File pomFile = project.getFile();

        List<Artifact> attachedArtifacts = project.getAttachedArtifacts();

        // TODO: push into transformation
        boolean isPomArtifact = "pom".equals( packaging );

        ProjectArtifactMetadata metadata;

        Collection<File> metadataFiles = new LinkedHashSet<>();

        if ( isPomArtifact )
        {
            if ( pomFile != null )
            {
                installer.install( buildingRequest,
                                   Collections.<Artifact>singletonList( new ProjectArtifact( project ) ) );
                addMetaDataFilesForArtifact( buildingRequest, artifact, metadataFiles );
            }
        }
        else
        {
            if ( pomFile != null )
            {
                metadata = new ProjectArtifactMetadata( artifact, pomFile );
                artifact.addMetadata( metadata );
            }

            File file = artifact.getFile();

            // Here, we have a temporary solution to MINSTALL-3 (isDirectory() is true if it went through compile
            // but not package). We are designing in a proper solution for Maven 2.1
            if ( file != null && file.isFile() )
            {
                installer.install( buildingRequest, Collections.singletonList( artifact ) );
                addMetaDataFilesForArtifact( buildingRequest, artifact, metadataFiles );
            }
            else if ( !attachedArtifacts.isEmpty() )
            {
                throw new NoFileAssignedException( "The packaging plugin for this project did not assign "
                    + "a main file to the project but it has attachments. Change packaging to 'pom'." );
            }
            else
            {
                // CHECKSTYLE_OFF: LineLength
                throw new NoFileAssignedException( "The packaging for this project did not assign a file to the build artifact" );
                // CHECKSTYLE_ON: LineLength
            }
        }

        for ( Artifact attached : attachedArtifacts )
        {
            logger.debug( "Installing artifact: {}", attached.getId() );
            installer.install( buildingRequest, Collections.singletonList( attached ) );
            addMetaDataFilesForArtifact( buildingRequest, attached, metadataFiles );
        }

    }