public static String getMavenCoordinates()

in hawtio-log/src/main/java/io/hawt/log/log4j/MavenCoordHelper.java [39:95]
45 lines of code
14 McCabe index (conditional complexity)

    public static String getMavenCoordinates(Class cls) throws IOException {
        StringBuilder buffer = new StringBuilder();
        try {
            CodeSource source = cls.getProtectionDomain().getCodeSource();
            if (source != null) {
                URL locationURL = source.getLocation();
                if (locationURL != null) {
                    // lets try find the pom.properties file...

                    //
                    //   if a file: URL
                    //
                    if ("file".equals(locationURL.getProtocol())) {
                        String path = locationURL.getPath();
                        if (path != null) {
                            File file = new File(path);
                            if (file.exists() && !file.isDirectory()) {
                                String coordinates = MavenCoordinates.mavenCoordinatesFromJarFile(file);
                                if (!Objects.isBlank(coordinates)) {
                                    return coordinates;
                                }
                            }
                            //
                            //  find the last file separator character
                            //
                            int lastSlash = path.lastIndexOf('/');
                            int lastBack = path.lastIndexOf(File.separatorChar);
                            if (lastBack > lastSlash) {
                                lastSlash = lastBack;
                            }
                            //
                            //  if no separator or ends with separator (a directory)
                            //     then output the URL, otherwise just the file name.
                            //
                            if (lastSlash <= 0 || lastSlash == path.length() - 1) {
                                buffer.append(locationURL);
                            } else {
                                buffer.append(path.substring(lastSlash + 1));
                            }
                        }
                    } else {
                        buffer.append(locationURL);
                    }
                }
            }
        } catch (SecurityException ex) {
        }
        buffer.append(':');
        Package pkg = cls.getPackage();
        if (pkg != null) {
            String implVersion = pkg.getImplementationVersion();
            if (implVersion != null) {
                buffer.append(implVersion);
            }
        }
        return buffer.toString();
    }