spec.setOptionsFile(getOptionsFile());

        JavadocToolAdapter javadocToolAdapter = getJavadocToolAdapter();
        spec.setExecutable(javadocToolAdapter.getExecutablePath().toString());

        return spec;
    }

    private JavadocToolAdapter getJavadocToolAdapter() {
        return (JavadocToolAdapter) getJavadocTool().get();
    }

    /**
     * {@inheritDoc}
     */