where:
        path << ["some.txt", "/absolute/some.txt", "relative/some.txt"]
    }

    def "combined extension"() {
        expect:
        type.combinedExtension(new File(name)) == expected

        where:
        name          | expected
        "pom.xml"     | "xml.$extension"
        "pom"         | extension
        "pom.xml.zip" | "zip.$extension"

    }

    @Override
    public File fileFor(File toSign) {
        return new File(toSign.getPath() + "." + getExtension());
    }

    @Override
    public String combinedExtension(File toSign) {
        String name = toSign.getName();
        int dotIndex = name.lastIndexOf(".");
        if (dotIndex == -1 || dotIndex + 1 == name.length()) {
            return getExtension();
        } else {

     *
     * @see #getExtension()
     * @param toSign The file to be signed
     * @return The combined file extension (without the leading dot)
     */
    String combinedExtension(File toSign);

    /**
     * Signs the given file and returns the file where the signature has been written to.
     *
     * @param signatory The signatory
     * @param toSign The file to be signed

    private String defaultType() {
        File toSign = getToSign();
        SignatureType signatureType = getSignatureType();
        return toSign != null && signatureType != null
            ? signatureType.combinedExtension(toSign)
            : null;
    }

    public void setClassifier(String classifier) {
        this.classifier = classifier;
    }

    /**
     * The classifier of the signature artifact.