Java Utililty Methods URL Normalize

URL inUrl = new URL(url);
URL ret = new URL(inUrl.getProtocol(), inUrl.getHost(), inUrl.getPort(), inUrl.getFile());
return ret.toExternalForm();

final String[] prefixes = new String[] { "http://", "https://", "ftp://", "www." };
for (String p : prefixes) {
    if (url.startsWith(p)) {
        url = url.substring(p.length());
return url;

url = url.toLowerCase();
url = url.replaceAll("^(^(http|https)://)|www.", "");
url = url.replaceAll("//", "");
int endIndex = url.lastIndexOf("/");
if (endIndex == (url.length() - 1)) {
    url = url.substring(0, endIndex);
return url;
...

String res = toLUrl.replace("http", "https");
res = res.replace("//treasuryoflives.org", "//www.treasuryoflives.org");
res = res.replace("//beta.treasuryoflives.org", "//www.treasuryoflives.org");
return res;

if (surl == null)
    return null;
try {
    return new URL(surl);
} catch (MalformedURLException e) {
    if (surl.indexOf(' ') > 0) {
        try {
            return new URL(surl.replaceAll("\\s", "%20")); 
...

final URL url;
try {
    url = new URI(taintedURL).normalize().toURL();
} catch (URISyntaxException e) {
    throw new MalformedURLException(e.getMessage());
final String path = url.getPath().replace("/$", "");
final SortedMap<String, String> params = CreateParameterMap(url.getQuery());
...

try {
    return new URI(url).normalize().toASCIIString();
} catch (final URISyntaxException e) {
    return url;

List<String> newUrlList = new ArrayList<>();
for (String url : urlList) {
    newUrlList.add(normalizeUrl(baseUrl, url));
return newUrlList;

URL parent = new URL(baseUrl);
if (url.startsWith("?")) {
    return parent.toExternalForm().replace("?" + parent.getQuery(), "") + url;
URL spec = new URL(parent, url);
return spec.toExternalForm();

String serverUrl = solrServerUrl;
if (serverUrl.endsWith("/")) {
    serverUrl = serverUrl.substring(0, serverUrl.length() - 1);
return serverUrl;