public static DoxiaFormat autoDetectFormat()

in src/main/java/org/apache/maven/doxia/DefaultConverter.java [281:307]

24 lines of code
7 McCabe index (conditional complexity)


        public static DoxiaFormat autoDetectFormat(File f) {
            if (!f.isFile()) {
                throw new IllegalArgumentException(
                        "The path '" + f.getAbsolutePath() + "' does not locate a file, could not detect format.");
            }

            for (DoxiaFormat format : EnumSet.allOf(DoxiaFormat.class)) {
                if (format.isXml()) {
                    // Handle XML files
                    String firstTag = getFirstTag(f);
                    if (firstTag == null) {
                        //noinspection UnnecessaryContinue
                        continue;
                    }
                    if (firstTag.equals(format.firstElement)) {
                        return format;
                    }
                } else {
                    if (hasFileExtensionIgnoreCase(f.getName(), format.getExtension())) {
                        return format;
                    }
                }
            }
            throw new UnsupportedOperationException(format(
                    "Could not detect the Doxia format for file: %s%nSpecify explicitly the Doxia format.",
                    f.getAbsolutePath()));
        }