Java Utililty Methods URL Value Check

List of utility methods to do URL Value Check

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Description

The list of methods to do URL Value Check are organized into topic(s).

Method

booleanisFileURL(URL url)
Is this url a file url? 
if (url == null) {
    return false;
String surl = url.toString();
return surl.startsWith("file:/");
booleanisFileURL(URL url)
Is this a file URL that is not also a Jar URL? 
String surl = url.toString();
if (surl.startsWith("file:") && !isJarURL(url)) {
    return true;
return false;
booleanisFileURL(URL url)
Returns true if the given URL is a reference to the local file system. 
String protocol = url.getProtocol();
String authority = url.getAuthority();
return (protocol != null) && protocol.equals("file")
        && ((authority == null) || authority.equals("") || authority.equalsIgnoreCase("localhost"));
booleanisFileUrl(URL url)
Returns true if the specified url is to a file, i.e its protocol is file. 
return url != null && FILE_PROTOCOL.equals(url.getProtocol());
booleanisHosting(URL url_in)
is Hosting 
return (tracker_ip.length() > 0 && url_in.getHost().equalsIgnoreCase(tracker_ip));
booleanisHTTP(URL url)
is HTTP 
if (url.getProtocol().equalsIgnoreCase("http"))
    return true;
return false;
booleanisHttpOk(String url)
is Http Ok 
HttpURLConnection conn = null;
try {
    URL serverUrl = new URL(url);
    conn = (HttpURLConnection) serverUrl.openConnection();
    conn.setConnectTimeout(1000 * 5);
    conn.setRequestMethod("GET");
    conn.connect();
    int state = conn.getResponseCode();
...
booleanisHttpUrl(final URI toCheck)
Determine if a URL is a URL using HTTP or HTTPS protocols 
return toCheck.getHost() != null
        && (toCheck.getScheme().equals("http") || toCheck.getScheme().equals("https"));
booleanisHttpUrl(final URL url)
is Http Url 
final String protocol = url.getProtocol();
return "http".equalsIgnoreCase(protocol) || "https".equalsIgnoreCase(protocol);
booleanisHttpUrl(String in)
is Http Url 
try {
    URL url = new URL(in);
    return url.getProtocol().toLowerCase().startsWith("http");
} catch (MalformedURLException ignored) {
return false;