private static String getFirstTag()

in src/main/java/org/apache/maven/doxia/DefaultConverter.java [732:755]

22 lines of code
6 McCabe index (conditional complexity)


    private static String getFirstTag(File xmlFile) {
        if (xmlFile == null) {
            throw new IllegalArgumentException("xmlFile is required.");
        }
        if (!xmlFile.isFile()) {
            throw new IllegalArgumentException("The file '" + xmlFile.getAbsolutePath() + "' is not a file.");
        }

        try (Reader reader = ReaderFactory.newXmlReader(xmlFile)) {
            XmlPullParser parser = new MXParser();
            parser.setInput(reader);
            int eventType = parser.getEventType();
            while (eventType != XmlPullParser.END_DOCUMENT) {
                if (eventType == XmlPullParser.START_TAG) {
                    return parser.getName();
                }
                eventType = parser.nextToken();
            }
        } catch (IOException | XmlPullParserException e) {
            return null;
        }

        return null;
    }