private void copyModules()

in src/main/java/org/apache/maven/plugins/ear/EarMojo.java [412:490]
72 lines of code
17 McCabe index (conditional complexity)

    private void copyModules( final JavaEEVersion javaEEVersion, 
                              List<String> unpackTypesList, 
                              Collection<String> outdatedResources )
        throws MojoExecutionException, MojoFailureException
    {
        try
        {
            for ( EarModule module : getModules() )
            {
                final File sourceFile = module.getArtifact().getFile();
                final File destinationFile = buildDestinationFile( getWorkDirectory(), module.getUri() );
                if ( !sourceFile.isFile() )
                {
                    throw new MojoExecutionException( "Cannot copy a directory: " + sourceFile.getAbsolutePath()
                        + "; Did you package/install " + module.getArtifact() + "?" );
                }

                if ( destinationFile.getCanonicalPath().equals( sourceFile.getCanonicalPath() ) )
                {
                    getLog().info( "Skipping artifact [" + module + "], as it already exists at [" + module.getUri()
                        + "]" );
                    // FIXME: Shouldn't that result in a build failure!?
                    continue;
                }

                // If the module is within the unpack list, make sure that no unpack wasn't forced (null or true)
                // If the module is not in the unpack list, it should be true
                if ( ( unpackTypesList.contains( module.getType() )
                    && ( module.shouldUnpack() == null || module.shouldUnpack() ) )
                    || ( module.shouldUnpack() != null && module.shouldUnpack() ) )
                {
                    getLog().info( "Copying artifact [" + module + "] to [" + module.getUri() + "] (unpacked)" );
                    // Make sure that the destination is a directory to avoid plexus nasty stuff :)
                    if ( !destinationFile.isDirectory() && !destinationFile.mkdirs() )
                    {
                        throw new MojoExecutionException( "Error creating " + destinationFile );
                    }
                    unpack( sourceFile, destinationFile, outdatedResources );

                    if ( module.changeManifestClasspath() )
                    {
                        changeManifestClasspath( module, destinationFile, javaEEVersion, outdatedResources );
                    }
                }
                else
                {
                    if ( sourceFile.lastModified() > destinationFile.lastModified() )
                    {
                        getLog().info( "Copying artifact [" + module + "] to [" + module.getUri() + "]" );
                        createParentIfNecessary( destinationFile );
                        Files.copy( sourceFile.toPath(), destinationFile.toPath(),
                            LinkOption.NOFOLLOW_LINKS, StandardCopyOption.REPLACE_EXISTING );
                        if ( module.changeManifestClasspath() )
                        {
                            changeManifestClasspath( module, destinationFile, javaEEVersion, outdatedResources );
                        }
                    }
                    else
                    {
                        getLog().debug( "Skipping artifact [" + module + "], as it is already up to date at ["
                            + module.getUri() + "]" );
                    }
                    removeFromOutdatedResources( destinationFile.toPath(), outdatedResources );
                }
            }
        }
        catch ( IOException e )
        {
            throw new MojoExecutionException( "Error copying EAR modules", e );
        }
        catch ( ArchiverException e )
        {
            throw new MojoExecutionException( "Error unpacking EAR modules", e );
        }
        catch ( NoSuchArchiverException e )
        {
            throw new MojoExecutionException( "No Archiver found for EAR modules", e );
        }
    }