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

booleanisLocalFile(URL url)
is Local File 
try {
    if (url.getProtocol().equals(new File(url.getFile()).toURI().toURL().getProtocol())) {
        return true;
} catch (Throwable throwable) {
    throwable.printStackTrace();
return false;
...
booleanisLocalFile(URL url)
is Local File 
return url.toExternalForm().toLowerCase().startsWith("file:");
booleanisLocalhost(URL url)
Checks whether the given URL is a localhost address 
try {
    InetAddress address = InetAddress.getByName(url.getHost());
    if (address.isAnyLocalAddress() || address.isLoopbackAddress()) {
        return true;
    try {
        return NetworkInterface.getByInetAddress(address) != null;
    } catch (SocketException e) {
...
booleanisLocalURL(String s)
is Local URL 
return s != null && s.startsWith("http://localboard/");
booleanisLocalURL(URL url)
is Local URL 
String proto = url.getProtocol();
if (proto.equals("jar") || proto.equals("reference")) 
    String spec = url.getFile();
    int sepIdx = spec.indexOf(':');
    if (sepIdx == -1)
        return false;
    proto = spec.substring(0, sepIdx);
...
booleanisLocalURL(URL url)
Whether or not it's a file url. 
return url.toString().startsWith("file:");
booleanisNewer(URL file, URL reference)
is Newer 
if (file == null || reference == null)
    throw new IllegalArgumentException("null file value");
file = getFileURL(file);
reference = getFileURL(reference);
if (!isFile(file) && !isFile(reference))
    throw new IllegalArgumentException("destination is not a file URL");
long fileLastModified = 0;
long referenceLastModified = 0;
...
booleanisResponseCode(String url, int expectedCode)
is Response Code 
HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
connection.setRequestMethod("GET");
connection.connect();
return connection.getResponseCode() == expectedCode;
booleanisResponsive(URL url)
is Responsive 
try {
    HttpURLConnection httpConnection = (HttpURLConnection) url.openConnection();
    httpConnection.setRequestMethod("HEAD");
    httpConnection.setConnectTimeout(1000);
    httpConnection.setReadTimeout(1000);
    return httpConnection.getResponseCode() == 200;
} catch (IOException ioe) {
    return false;
...
booleanisSameFile(URL u, File out)
is Same File 
try {
    if (u == null || out == null)
        return false;
    return out.equals(new File(u.toURI()));
} catch (Throwable e) {
    return false;