Java Utililty Methods URI Value Check

List of utility methods to do URI Value Check

  1. HOME
  2. Java
  3. U
  4. URI Value Check

Description

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

Method

booleanisURI(String plainString)
is URI 
try {
    URL url = new URL(plainString);
    URI uri = new URI(url.getProtocol(), url.getUserInfo(), url.getHost(), url.getPort(), url.getPath(),
            url.getQuery(), url.getRef());
    return true;
} catch (URISyntaxException | MalformedURLException e) {
    return false;
booleanisURI(String uri)

isURI.

try {
    new URI(uri);
    return true;
} catch (URISyntaxException e) {
    return false;
booleanisUriValid(String uri)
is Uri Valid 
uri = uri.trim();
if (responseCodeOfURI(uri) == 200)
    return true;
return false;
booleanisUsingNonDefaultPort(URI uri)
Returns true if the specified URI is using a non-standard port (i.e. 
String scheme = uri.getScheme().toLowerCase();
int port = uri.getPort();
if (port <= 0)
    return false;
if (scheme.equals("http") && port == 80)
    return false;
if (scheme.equals("https") && port == 443)
    return false;
...
booleanisValid(String uri)
is Valid 
try {
    return isValid(new URI(uri));
} catch (URISyntaxException e) {
    return false;
booleanisValid(URI uri)
is Valid 
if (isEmpty(uri.getScheme()) || isEmpty(uri.getHost()) || uri.getPort() == -1) {
    return false;
return true;
booleanisValidURI(final String namespace)
Determine if the supplied name is a valid URI. 
if (namespace == null || namespace.length() == 0)
    return false;
try {
    new java.net.URI(namespace);
} catch (final URISyntaxException e) {
    return false;
return true;
...
booleanisValidURI(String uri)
return true if this is a valid uri 
boolean result = false;
try {
    new URI(uri);
    result = true;
} catch (Exception e) {
return result;
booleanisValidUri(String uri, StringBuilder errMsg)
Tests whether the given URI matches RFC-2396 specs. 
boolean ret = true;
if (uri == null) {
    if (errMsg != null) {
        errMsg.append("URI is null");
    ret = false;
} else {
    try {
...
booleanisValidUri(String uriCandidate)
is Valid Uri 
try {
    new URI(uriCandidate);
} catch (URISyntaxException e) {
    return false;
return true;