private void writeDownloadPage()

in src/main/java/org/apache/maven/plugin/doap/DoapMojo.java [1067:1105]
34 lines of code
8 McCabe index (conditional complexity)

    private void writeDownloadPage(XMLWriter writer, MavenProject project) {
        String downloadPage = DoapUtil.interpolate(doapOptions.getDownloadPage(), project, settings);
        if (downloadPage == null || downloadPage.isEmpty()) {
            messages.addMessage(
                    new String[] {"doapOptions", "downloadPage"}, null, UserMessages.REQUIRED_BY_ASF_OR_RECOMMENDED);
            return;
        }

        try {
            new URL(downloadPage);

            DoapUtil.writeComment(writer, "Download page.");
            DoapUtil.writeRdfResourceElement(writer, doapOptions.getXmlnsPrefix(), "download-page", downloadPage);
        } catch (MalformedURLException e) {
            messages.addMessage(new String[] {"doapOptions", "downloadPage"}, downloadPage, UserMessages.INVALID_URL);
        }

        if (StringUtils.isNotEmpty(doapOptions.getDownloadMirror())) {
            boolean addComment = false;
            String[] downloadMirrors = StringUtils.split(doapOptions.getDownloadMirror(), ",");
            for (String downloadMirror : downloadMirrors) {
                downloadMirror = downloadMirror.trim();

                try {
                    new URL(downloadMirror);

                    if (!addComment) {
                        DoapUtil.writeComment(writer, "Mirror of software download web page.");
                        addComment = true;
                    }
                    DoapUtil.writeRdfResourceElement(
                            writer, doapOptions.getXmlnsPrefix(), "download-mirror", downloadMirror);
                } catch (MalformedURLException e) {
                    messages.addMessage(
                            new String[] {"doapOptions", "downloadMirror"}, downloadMirror, UserMessages.INVALID_URL);
                }
            }
        }
    }