});
    }

    @Override
    public abstract File getFile();

    @Override
    public final String getExtension() {
        return extension != null ? extension : getDefaultExtension();
    }

    protected abstract String getDefaultExtension();

    @Override
    public final void setExtension(String extension) {
        this.extension = Strings.nullToEmpty(extension);
    }

    @Override

        this.type = Strings.nullToEmpty(type);
    }

    @Override
    public String getExtension() {
        return extension != null ? extension : getDefaultExtension();
    }

    protected abstract String getDefaultExtension();

    @Override
    public void setExtension(String extension) {
        this.extension = Strings.nullToEmpty(extension);
    }

    @Nullable
    @Override

        this.publishArtifact = publishArtifact;
    }

    @Override
    public File getFile() {
        return publishArtifact.getFile();
    }

    @Override
    protected String getDefaultExtension() {
        return publishArtifact.getExtension();
    }

    @Override
    protected String getDefaultClassifier() {
        return publishArtifact.getClassifier();
    }

    @Override

public abstract class Tar extends AbstractArchiveTask {
    private Compression compression = Compression.NONE;

    public Tar() {
        getArchiveExtension().set(getProject().provider(() -> getCompression().getDefaultExtension()));
    }

    @Override
    protected CopyAction createCopyAction() {
        return new TarCopyAction(getArchiveFile().get().getAsFile(), getCompressor(), isPreserveFileTimestamps());
    }

        this.derivedFile = derivedFile;
    }

    @Override
    public File getFile() {
        return derivedFile.create();
    }

    @Override
    protected String getDefaultExtension() {
        return original.getExtension() + "." + getFileExtension(getFile().getName());
    }

    @Override
    protected String getDefaultClassifier() {
        return original.getClassifier();
    }

        return original.getName();
    }

    @Override
    protected String getDefaultType() {
        return getFileExtension(getFile().getName());
    }

    @Override
    protected String getDefaultExtension() {
        return original.getExtension() + "." + getType();
    }

    @Override
    protected String getDefaultClassifier() {
        return original.getClassifier();
    }

    @Override

    }

    @Override
    protected String getDefaultType() {
        return archiveTask.getArchiveExtension().getOrNull();
    }

    @Override
    protected String getDefaultExtension() {
        return archiveTask.getArchiveExtension().getOrNull();
    }

    @Override
    protected String getDefaultClassifier() {
        return archiveTask.getArchiveClassifier().getOrNull();
    }

        this.file = file;
        extension = Files.getFileExtension(file.getName());
    }

    @Override
    public File getFile() {
        return file;
    }

    @Override
    protected String getDefaultExtension() {
        return extension;
    }

    @Override
    protected String getDefaultClassifier() {
        return null;
    }

    @Override

    }

    @Override
    public File getFile() {
        return archiveTask.getArchiveFile().get().getAsFile();
    }

    @Override
    protected String getDefaultExtension() {
        return archiveTask.getArchiveExtension().getOrNull();
    }

    @Override
    protected String getDefaultClassifier() {
        return archiveTask.getArchiveClassifier().getOrNull();
    }

        this.defaultExtension = defaultExtension;
        this.supportedExtensions.addAll(Arrays.asList(additionalSupportedExtensions));
        this.supportedExtensions.add(defaultExtension);
    }

    public String getDefaultExtension(){
        return defaultExtension;
    }

    public List<String> getSupportedExtensions(){
        return supportedExtensions;
    }